CN110379942A - Battery core component and electrochemical appliance - Google Patents
Battery core component and electrochemical appliance Download PDFInfo
- Publication number
- CN110379942A CN110379942A CN201810327459.0A CN201810327459A CN110379942A CN 110379942 A CN110379942 A CN 110379942A CN 201810327459 A CN201810327459 A CN 201810327459A CN 110379942 A CN110379942 A CN 110379942A
- Authority
- CN
- China
- Prior art keywords
- battery core
- flat segments
- collector
- bending section
- protective layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000008358 core component Substances 0.000 title claims abstract description 96
- 239000011241 protective layer Substances 0.000 claims abstract description 188
- 239000012790 adhesive layer Substances 0.000 claims abstract description 147
- 239000010410 layer Substances 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims description 245
- 238000002955 isolation Methods 0.000 claims description 35
- 238000004804 winding Methods 0.000 claims description 33
- 239000003292 glue Substances 0.000 claims description 24
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000005518 electrochemistry Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 238000009527 percussion Methods 0.000 abstract description 5
- 239000012792 core layer Substances 0.000 abstract description 4
- 239000011162 core material Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 34
- 238000000576 coating method Methods 0.000 description 34
- 238000010586 diagram Methods 0.000 description 25
- 238000004806 packaging method and process Methods 0.000 description 18
- 239000012530 fluid Substances 0.000 description 14
- 230000005611 electricity Effects 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/30—Preventing polarity reversal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The present invention discloses a kind of battery core component and electrochemical appliance.Battery core component includes battery core, protective layer and adhesive layer, and protective layer is set to battery core surface, and protective layer is arranged between battery core and adhesive layer.Battery core component according to the present invention; by the way that protective layer is arranged on the surface of battery core; and adhesive layer is set to protective layer; in battery core component falling process; adhesive layer can play certain buffer function; to reduce external force collision to the percussion of battery core; adhesive layer can be both connected indirectly in battery core by protective layer; the case where protective layer can also protect battery core not glued layer in falling process to pull, cause battery core breakage, even explode; so as to improve the structural strength of battery core component, and then the security performance of battery core component can be improved.
Description
Technical field
The present invention relates to electrochemical appliance technical fields, specifically, more particularly to a kind of battery core component and electrochemistry dress
It sets.
Background technique
In the related technology, lithium ion battery abuse is especially easy to fail when falling, and safety accident occurs, is
Failure performance is fallen in improvement, generallys use the mode that double-sided adhesive or hot melt adhesive etc. reinforce battery core and packaging bag is fixed, which can
To reduce the motional collision of battery core, double-sided adhesive or thermosol can play certain buffer function in falling process, can reduce
To the impact force of cell polar ear and battery core diaphragm.But it can usually cause the battery core or encapsulation of abutting edge in falling process
Film tearing, tab position can be impacted in this way, voltage drop is caused to be failed, the burr for tearing formation be also possible to pierce through in battery core every
From film, battery core internal short-circuit is caused, causes to overheat, or even explosion.With the promotion of lithium-ion electric core energy density, packaging bag
Thickness use is gradually thinned, and the use increasingly limit of packaging bag inner space causes corrosion phenomenon to aggravate.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of electricity
Core assembly, the battery core component have the advantages that corrosion resistance is strong, high reliablity.
The present invention also proposes a kind of electrochemical appliance, including battery core component as described above.
Battery core component according to an embodiment of the present invention, comprising: battery core；Protective layer, the protective layer are set to the battery core table
Face；And adhesive layer, wherein the protective layer is arranged between the battery core and the adhesive layer.
Battery core component according to an embodiment of the present invention, by the way that protective layer is arranged on the surface of battery core, and adhesive layer is set to and protects
Sheath, in battery core component falling process, adhesive layer can play certain buffer function, to reduce external force collision to battery core
Adhesive layer can be both connected indirectly in battery core by percussion, protective layer, and protective layer can also protect battery core falling
Not glued layer is pullled, causes that battery core is damaged, the case where even exploding in journey, strong so as to the structure that improves battery core component
Degree, and then the security performance of battery core component can be improved.
According to some embodiments of the present invention, the battery core includes the first collector, and first collector is arranged on
The battery core outmost turns, first collector include sequentially connected first flat segments, the first bending section, the second flat segments and
Second bending section；Wherein, first flat segments and second flat segments are planar structure, and first flat segments and institute
It states at least one section in the second flat segments of surface and is equipped with the protective layer.
According to some embodiments of the present invention, the battery core includes the first collector, and first collector is arranged on
The battery core outmost turns, first collector include sequentially connected first flat segments, the first bending section, the second flat segments and
Second bending section；First bending section and second bending section are arcuate structure, and first bending section and described the
Two bending sections are arranged on the opposite two sides of the battery core；Wherein, in first bending section and second bending section at least
One section of surface is equipped with the protective layer.
In some embodiments of the invention, the surface of first flat segments and second flat segments is equipped with described
Protective layer.
In some embodiments of the invention, first bending section and the second bending section surface are equipped with the guarantor
Sheath.
In some embodiments of the invention, the battery core includes isolation film and the second collector, first collector
With the second collector electrochemistry polarity on the contrary, the isolation film is arranged in first collector and second collector
Between, along the winding opposite direction of the battery core, second collector includes sequentially connected third flat segments, third bending
Section, the 4th flat segments and the 4th bending section, second flat segments and the third flat segments are relatively arranged on the isolation film
Two sides, and first collector or second afflux are not provided between second flat segments and the third flat segments
Body.
In some embodiments of the invention, along the second flat segments thickness direction, the adhesive layer is in the protection
Layer orthographic projection contour line in the plane be located on the protective layer.
In some embodiments of the invention, the protective layer includes first end, and it is flat that the first end is located at described first
The surface of straight section or second flat segments.
In some embodiments of the invention, the protective layer includes first end, and it is curved that the first end is located at described first
The surface of tune or second bending section.
According to some embodiments of the present invention, first flat segments, first bending section, second flat segments and
The surface of second bending section is equipped with the protective layer.
According to some embodiments of the present invention, on the coiling direction of the battery core, the isolation film covers the battery core
Outer surface, the protective layer are located at the isolation film surface.
According to some embodiments of the present invention, on the coiling direction of the battery core, the first collection of the battery core outmost turns
Fluid includes first surface and second surface, and the first surface is configured to the outer surface of the battery core, the second surface
Towards the center of the battery core.
Further, the second surface is equipped with active layer.
According to some embodiments of the present invention, the adhesive layer is multiple, and multiple adhesive layer interval settings.
According to some embodiments of the present invention, the protective layer is one side glue.
According to some embodiments of the present invention, the adhesive layer is double-sided adhesive.
According to some embodiments of the present invention, the adhesive layer bypasses the battery core.
Electrochemical appliance according to an embodiment of the present invention, comprising: battery core component, the battery core component are according to as described above
Battery core component.
Electrochemical appliance according to an embodiment of the present invention, by the way that protective layer is arranged on the surface of battery core, and adhesive layer is set to
Protective layer, in battery core component falling process, adhesive layer can play certain buffer function, to reduce external force collision to battery core
Percussion, adhesive layer can both be connected indirectly in battery core by protective layer, and protective layer can also protect battery core falling
Not glued layer is pullled, causes that battery core is damaged, the case where even exploding in the process, strong so as to the structure that improves battery core component
Degree, and then the security performance of battery core component can be improved.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 2 is the schematic enlarged-scale view in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 10 is the schematic enlarged-scale view in Fig. 9 at B；
Figure 11 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 12 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 13 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 14 is the schematic enlarged-scale view in Figure 13 at C；
Figure 15 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 16 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 17 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 18 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 19 is the schematic enlarged-scale view in Figure 18 at D；
Figure 20 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 21 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 22 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 23 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 24 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 25 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 26 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 27 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 28 is the structural schematic diagram of battery core component according to an embodiment of the present invention；
Figure 29 is the main view of battery core component according to an embodiment of the present invention；
Figure 30 is the rearview of the battery core component in Figure 29；
Figure 31 is the main view of battery core component according to an embodiment of the present invention；
Figure 32 is the rearview of the battery core component in Figure 31；
Figure 33 is the main view of battery core component according to an embodiment of the present invention；
Figure 34 is the rearview of the battery core component in Figure 33；
Figure 35 is the main view of battery core component according to an embodiment of the present invention；
Figure 36 is the rearview of the battery core component in Figure 35；
Figure 37 is the structural schematic diagram of battery core component according to an embodiment of the present invention.
Appended drawing reference:
Battery core component 1,
Battery core 10, outer surface 11, bottom wall 12, isolation film 100, collector 110, the first collector 111,
Second collector 112,
First flat segments 113, the first bending section 114, the second flat segments 115, the second bending section 116,
First surface 117, second surface 118, active coating 120,
Protective layer 20, first end 210, second end 220,
Adhesive layer 30, the first glue section 310, the second glue section 320, third glue section 330.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
"lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.In addition, define " first ", the feature of " second " can be expressed or
Person implicitly includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is
Two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Fig. 1-Figure 37, battery core component 1 according to an embodiment of the present invention, including battery core 10, protective layer 20 and bonding
Layer 30.
Specifically, protective layer 20 is set to 10 surface of battery core as shown in Fig. 1-Figure 37, adhesive layer 30 is set to protective layer 20,
Adhesive layer 30 is located at the side of the separate battery core 10 of protective layer 20.It is understood that a part of outer surface of battery core 10 can be with
Equipped with protective layer 20, for example, at least partly outer surface of battery core 10 is equipped with protective layer 20.It is of course also possible to be the complete of battery core 10
Portion outer surface has protective layer 20, for example, the outer surface of battery core 10, roof and bottom wall are all provided with matcoveredn 20.In other words, it protects
Layer 20 is connect with battery core 10, and protective layer 20 can cover at least partly outer surface of battery core 10.Adhesive layer 30 and protective layer 20 connect
It connects, adhesive layer 30 and battery core 10 are located at 20 two sides of protective layer.It should be noted that " battery core 10 " mentioned herein may include
Collector 110, wherein collector 110 includes the first collector 111 and the second collector 112.
Battery core component 1 according to an embodiment of the present invention, by the way that protective layer 20, and adhesive layer 30 is arranged on the surface of battery core 10
Set on protective layer 20, in 1 falling process of battery core component, adhesive layer 30 can play certain buffer function, to reduce external force
The percussion to battery core 10 is hit, protective layer 20 can form protective effect to battery core 10, and protective layer 20 can will be both bonded
Layer 30 is connected indirectly in battery core 10, so as to avoid adhesive layer 30 from directly contacting with battery core 10, and then can protect electricity
The not glued layer 30 in falling process of core 10 is pullled, with prevent battery core 10 is damaged, even explode the case where, so as to improve
The structural strength of battery core component 1, and then the security performance of battery core component 1 can be improved.
According to some embodiments of the present invention, battery core component 1 further includes packaging bag (not indicating in figure), battery core 10, protection
Layer 20 and adhesive layer 30 can be placed in packaging bag, and adhesive layer 30 is connect with packaging bag.Adhesive layer 30 can by battery core 10 with
Packaging bag connects, and adhesive layer 30 can reinforce mounting stability of the battery core 10 in packaging bag, and then can reduce battery core
Motional collision between 10 and packaging bag internal perisporium, can also be to avoid the feelings of the tab of the shaking impact battery core 10 due to battery core 10
Condition.
As Figure 1-Figure 4, according to some embodiments of the present invention, on the coiling direction of battery core 10, from battery core 10
For the ending section of collector 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116.In second flat segments 115, the first bending section 114 and the second bending section 116
An at least section surface be equipped with protective layer 20.
It should be noted that battery core 10 may include collector 110, collector 110 further comprises the first collector 111
With the second collector 112, after the first collector 111 and the stacking arrangement of the second collector 112, then by the first collector 111 and the
Two collectors 112 are wound up." coiling direction of battery core 10 " mentioned herein can be the winding side of the first collector 111
To or the second collector 112 coiling direction.Specifically, " coiling direction of battery core 10 " can be certain in battery core 10
A little along the first collector 111 or the second collector 112 direction that (as shown in Figure 1 is inside and outside) moves from inside to outside.Winding
Direction can there are two types of, i.e., wind clockwise and anticlockwise, in such as Fig. 1-Figure 10, the coiling direction of battery core 10 is the inverse time
Needle.
It is understood that as Figure 1-Figure 4, " the ending section of collector 110 " can be collector 110 close to battery core
The part in 10 outsides.The ending section of collector 110 may include the first flat segments 113, the first bending section 114, the second flat segments
115 and second bending section 116.On the coiling direction of battery core 10, the second bending section 116 is located at the upstream of the second flat segments 115,
Second flat segments 115 are located at the upstream of the first bending section 114, and the first bending section 114 is located at the upstream of the first flat segments 113.The
One end of one bending section 114 is connect with one end of the first flat segments 113, the other end and the second flat segments of the first bending section 114
115 one end connection, the other end of the second flat segments 115 are connect with one end of the second bending section 116.
As Figure 1-Figure 4, collector 110 corresponding to the second flat segments 115 is formed as tabular, the first bending section
Collector 110 corresponding to 114 is curved plate, and collector 110 corresponding to the second bending section 116 is curved plates.For example, such as
Shown in Fig. 1-Figure 10, the second flat segments 115 are parallel with horizontal direction (i.e. such as Fig. 1, Fig. 3-left and right directions shown in Fig. 9), and second
Flat segments 115 are located at the lower section (lower section shown in Fig. 9 such as Fig. 3 -) of battery core 10.First bending section 114 is located at the right side of battery core 10
(right shown in Fig. 9 such as Fig. 1, Fig. 3 -), the center of curvature of the first bending section 114 are located at the left side of the first bending section 114 (as schemed
1, the left side shown in Fig. 9 Fig. 3 -)；Second bending section 116 is located at the left (left shown in Fig. 9 such as Fig. 1, Fig. 3 -) of battery core 10,
The center of curvature of second bending section 116 is located at the right side (right side shown in Fig. 9 such as Fig. 1, Fig. 3 -) of the second bending section 116.
As shown in figure 3, protective layer 20 can be equipped on the outer surface of the second flat segments 115, adhesive layer 30 and second straight
Section 115 is opposite.Protective layer 20, adhesive layer 30 and 114 phase of the first bending section can be equipped on the outer surface of first bending section 114
It is right.Protective layer 20 can be equipped on the outer surface of second bending section 116, adhesive layer 30 and the second bending section 116 are opposite.
It is also possible to as shown in figure 5, being all provided on the outer surface of the second flat segments 115 and the outer surface of the first bending section 114
Matcoveredn 20.As shown in figure 4, being equipped with protection on the outer surface of the second flat segments 115 and the outer surface of the second bending section 116
Layer 20.Matcoveredn 20 is all provided on the outer surface of first bending section 114 and the outer surface of the second bending section 116.Thus, it is possible to expand
Big protective layer 20 so as to improve the sphere of action of protective layer 20, and then can make in the area coverage of 10 outer surface of battery core
Good protecting effect can be formed to battery core 10 by obtaining protective layer 20.
As shown in Figure 1, in some embodiments of the invention, on the coiling direction of battery core 10, from the afflux of battery core 10
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116 are all provided on second flat segments 115, the first bending section 114 and the second bending section 116
Matcoveredn 20.Thus, it is possible to expand protective layer 20 in the area coverage of 10 outer surface of battery core, so as to improve battery core 10
Structural strength can also avoid the collector 110 of battery core 10 from directly contacting with other component (such as packaging bag), and battery core 10 is caused to grind
The case where damage, battery core 10 are corroded, so as to improve the security performance and service performance of battery core 10.It should be noted that here
" outer surface " being previously mentioned can be the surface of 10 outermost of battery core (as shown in Figure 1 is outer).
As shown in Fig. 1-Figure 11 and Figure 13-Figure 21, in some embodiments of the invention, battery core 10 includes isolation film 100,
Collector 110 includes the first collector 111 and the second collector 112,112 electrochemistry of the first collector 111 and the second collector
Polarity is on the contrary, isolation film 100 is arranged between the first collector 111 and the second collector 112, positioned at the outermost of battery core 10
Collector 110 is the first collector 111, and along the winding opposite direction of the battery core, the second collector includes sequentially connected third
Flat segments, third bending section, the 4th flat segments and the 4th bending section, second flat segments are opposite with the third flat segments to be set
The two sides of the isolation film are placed in, and are not provided with the first collector or between second flat segments and the third flat segments
Two collectors.
It is understood that battery core 10 includes collector 110 and isolation film 100, collector 110 includes the first collector
111 and second collector 112, the first collector 111 is different from the chemical property of the second collector 112, for example, the first afflux
Body 111 can have anode polarity, and the second collector 112 has cathode polarity；Or second collector 112 can have sun
Pole polarity, the first collector 111 have cathode polarity.Isolation film 100 be located at the first collector 111 and the second collector 112 it
Between, isolation film 100 can be used for obstructing the first collector 111 and the second collector 112, to avoid the first collector 111 and
The directly contact of two collectors 112 leads to the situation of short circuit.
As shown in Fig. 1-Figure 11 and Figure 13-Figure 21, collector 110 corresponding to 10 outer surface of battery core is the first collector
111, in other words, the part of the surface of the first collector 111 is configured to the outer surface of battery core 10.The first of second collector 112 is flat
Straight section is located near the second flat segments of the first collector 111, and the first flat segments of the second collector 112 and the first collector
It can be spaced apart by isolation film 100 between 111 the second flat segments.For example, the first flat segments of the second collector 112 are prolonged
Stretching direction can be identical with the extending direction of the second flat segments of the first collector 111.
Isolation film 100 can obstruct the first collector 111 and the second collector 112 as a result, avoid the first collector 111
It is contacted between the second collector 112, so as to avoid that short circuit occurs between the first collector 111 and the second collector 112,
And then can protect battery core 10, avoid battery core 10 from exploding.First flat segments of the second collector 112 are positioned close to
Near second flat segments of one collector 111, so as to avoid being squeezed and deformed due to battery core 10, the of the second collector 112
One flat segments pierce through the case where the first collector 111, and then the security performance of battery core component 1 can be improved.
As shown in Figure 13-Figure 21, according to some embodiments of the present invention, on the coiling direction of battery core 10, from battery core 10
Collector 110 ending section along winding opposite direction, ending section includes that sequentially connected first flat segments 113, first are bent
The 114, second flat segments 115 of section and the second bending section 116, the first flat segments 113, the first bending section 114 and the second bending section 116
In at least one section setting matcoveredn 20.
It should be noted that battery core 10 may include collector 110, collector 110 further comprises the first collector 111
With the second collector 112, after the first collector 111 and the stacking arrangement of the second collector 112, then by the first collector 111 and the
Two collectors 112 are wound up." coiling direction of battery core 10 " mentioned herein is also possible to the winding of the first collector 111
The coiling direction of direction or the second collector 112, specifically, " coiling direction of battery core 10 " can be in battery core 10
Certain point is along the first collector 111 or the second collector 112 (inside and outside as shown in fig. 13 that) mobile direction from inside to outside.
Coiling direction can there are two types of, i.e., wind clockwise and anticlockwise, as shown in Figure 13-Figure 20, the coiling direction of battery core 10 is
Counterclockwise.
It is understood that " the ending section of collector 110 " can be collector 110 close to electricity as shown in Figure 13-Figure 20
The part in 10 outside of core.The ending section of collector 110 may include the first flat segments 113, the first bending section 114, second is straight
Section 115 and the second bending section 116.On the coiling direction of battery core 10, the second bending section 116 is located at the upper of the second flat segments 115
Trip, the second flat segments 115 are located at the upstream of the first bending section 114, and the first bending section 114 is located at the upstream of the first flat segments 113.
One end of first bending section 114 is connect with one end of the first flat segments 113, the other end of the first bending section 114 and second straight
One end connection of section 115, the other end of the second flat segments 115 are connect with one end of the second bending section 116.
As shown in figure 15, protective layer 20 can be equipped on the outer surface of the first flat segments 113.Outside first bending section 114
Protective layer 20 can be equipped on surface.Protective layer 20 can be equipped on the outer surface of second bending section 116.It is also possible to such as figure
Shown in 16, matcoveredn 20 is all provided on the outer surface of the outer surface of the first flat segments 113 and the first bending section 114.Such as Figure 17 institute
Show, is all provided with matcoveredn 20 on the outer surface of the outer surface of the first flat segments 113 and the second bending section 116.First bending section 114
Outer surface and the second bending section 116 outer surface on be all provided with matcoveredn 20.Thus, it is possible to expand protective layer 20 in battery core 10
The area coverage of outer surface so as to improve the sphere of action of protective layer 20, and then can enable protective layer 20 to electricity
Core 10 forms good protecting effect.It should be noted that " covering " mentioned herein can be abutment covering.
As shown in figure 13, in some embodiments of the invention, on the coiling direction of battery core 10, from collector 110
The section that finishes up is along winding opposite direction, and ending section includes sequentially connected first flat segments 113, the first bending section 114, second is straight
Section 115 and the second bending section 116, protective layer 20 cover on the first flat segments 113, the first bending section 114 and the second bending section 116
It is provided with protective layer 20.Thus, it is possible to expand protective layer 20 in the area coverage of 10 outer surface of battery core, so as to improve electricity
The structural strength of core 10, the collector 110 that can also be effectively prevented battery core 10 are directly contacted with other component (such as packaging bag),
The case where causing the abrasion of battery core 10, corrosion, so as to improve the security performance and service performance of battery core 10.It needs to illustrate
It is that " outer surface " mentioned herein can be the surface in 10 outermost of battery core (outside as shown in fig. 13 that), can be battery core
10 surface (i.e. appearance) that can be seen that.
As shown in Fig. 1-Figure 24, in some embodiments of the invention, along 115 thickness direction of the second flat segments (i.e. as schemed
Up and down direction shown in 1- Figure 12), it is flat that the contour line in orthographic projection region of the adhesive layer 30 in the second flat segments 115 is located at second
In straight section 115.It is understood that adhesive layer 30 is irradiated with a branch of light perpendicular to the second flat segments 115, adhesive layer 30
Orthographic projection region is located in the second flat segments 115.
For example, as shown in Figure 1-Figure 11, protective layer 20 being equipped in the second flat segments 115, can be set on protective layer 20
There is an adhesive layer 30, the second flat segments 115 are opposite with adhesive layer 30, and it is flat that the second flat segments 115 with adhesive layer 30 are located at second
The two sides of protective layer 20 corresponding to straight section 115.Adhesive layer 30 is irradiated with a branch of light perpendicular to the second flat segments 115, is glued
The orthographic projection region for connecing layer 30 is located in the second flat segments 115.Thus, it is possible to effective bonding area of adhesive layer 30 is improved, from
And the adhesive effect of adhesive layer 30 can be improved, and then the mounting stability of battery core 10 can be improved.
In some embodiments of the invention, the contour line in orthographic projection region of the adhesive layer 30 in the second flat segments 115
It is overlapped with the contour line of the second flat segments 115.Thus, it is possible to the active area of adhesive layer 30 be improved, to improve adhesive layer 30
Bonding stability.
As shown in figure 25, in some embodiments of the invention, protective layer 20 may include first end 210, first end 210
Far from the outside at 10 center of battery core in the second flat segments 115.It is understood that first flat segments of protective layer 20
113 ends are located near the second flat segments 115.The second flat segments 115 are easier to the attaching of the end of protective layer 20 as a result, can
To be effectively prevented from the case where end of protective layer 20 tilts, is detached from battery core 10, so as to improve protective layer 20 and battery core 10
Connective stability.
As shown in Figure 26-Figure 27, in some embodiments of the invention, protective layer 20 on the coiling direction of battery core 10
End be first end 210 and second end 220, first end 210 is located at the first bending section 114 or the second bending section 116.It can manage
Solution, one of end of protective layer 20 are located at the first bending section 114 nearby or are located near the second bending section 116.
Protective layer 20 can wrap up at least partly the first bending section 114 or the second bending section 116 as a result, so as to improve protective layer
20 10 outer surface of battery core coverage area, effectively reduce the first bending section 114 or the second bending section 116 contact with packaging bag
Area, so as to reduce the case where the first bending section 114 or the second bending section 116 corrode.
As shown in figure 28, in some embodiments of the invention, it is straight to be located at first at least one end of protective layer 20
At section 113.In some embodiments of the invention, at least one end of protective layer 20 is located at the second flat segments 115 and first
The junction of bending section 114, in other words, at least one end of protective layer 20 and the second flat segments 115, the first bending section 114
Link position at face.In some embodiments of the invention, at least one end of protective layer 20 is located at the second flat segments
115 and second bending section 116 junction, in other words, at least one end of protective layer 20 and the second flat segments 115, second
Face at the link position of bending section 116.
As shown in Figure 1, in some embodiments of the invention, at least one end of protective layer 20 is located at the first flat segments
113 and first bending section 114 junction, in other words, at least one end of protective layer 20 and the first flat segments 113, first
Face at the link position of bending section 114.As shown in Figure 1, in some embodiments of the invention, protective layer 20 at least one
End is located at the junction of the first flat segments 113 and the second bending section 116, in other words, at least one end of protective layer 20 with
First flat segments 113, the second bending section 116 link position at face.
As shown in Figure 11-Figure 13, Figure 23-Figure 24, according to some embodiments of the present invention, the outer surface of battery core 10 quilt completely
Protective layer 20 wraps up.Thus, it is possible to area coverage of the protective layer 20 in battery core 10 be improved, so as to improve protective layer 20
Sphere of action, and then the structural stability of battery core component 1 can be improved.
As shown in Figure 12, Figure 24, according to some embodiments of the present invention, a part of isolation film 100 is configured to battery core
10 outer surface, protective layer 20 are set to 100 surface of isolation film.It is understood that the outer surface of battery core 10 is by isolation film 100
A part of surface structure at protective layer 20 can cover the surface of the part isolation film 100.Isolation film 100 can wrap as a result,
Collector 110 is wrapped up in, protective effect is formed to collector 110.
As shown in Fig. 6-Figure 10 and Figure 18-Figure 22, according to some embodiments of the present invention, the ending section packet of collector 110
First surface 117 and second surface 118 are included, first surface 117 is configured to the outer surface of battery core 10,118 direction of second surface
The center of battery core 10.It is understood that the outer surface of battery core 10 is by a part of surface structure of collector 110 at the part
Surface is located at the ending section of collector 110 towards outside (outside shown in Fig. 10 such as Fig. 6 -), is convenient for setting for protective layer 20 as a result,
It sets.Further, as shown in Fig. 3-Figure 10 and Figure 18-Figure 22, second surface 118 is equipped with active coating 120.Activity applies as a result,
Layer can produce electric current.
As shown in figure 37, according to some embodiments of the present invention, adhesive layer 30 be spaced apart it is multiple.It is understood that
It is that adhesive layer 30 can be to be multiple, and multiple adhesive layers 30 are intervally arranged on protective layer 20.Thus, it is possible to expand adhesive layer 30
Sphere of action, so as to improve the function and effect of adhesive layer 30 in the case where reducing adhesive layer 30 and consuming, and then can be with
Improve the mounting stability of battery core 10.
Further, orthographic projection region of the adhesive layer 30 in battery core 10 is in polygon, rectangle, round or ellipse.It can
With understanding, a branch of light beam along 30 thickness direction of adhesive layer is pointed into adhesive layer 30, the shape in battery core 10 of adhesive layer 30
At the shape of view field can be polygon, rectangle, round or ellipse.It should be noted that for adhesive layer 30
Shape is not especially limited, and adhesive layer 30 can form arbitrary shape.
According to some embodiments of the present invention, protective layer 20 is one side glue.Protective layer 20 can will have sticking as a result,
One can directly be bonded in 10 outer surface of battery core facing towards 10 outer surface of battery core, protective layer 20.So as to will easily protect
Sheath 20 is arranged in battery core 10, easy to operate and easy to accomplish.
According to some embodiments of the present invention, adhesive layer 30 is double-sided adhesive.It is understood that two phases of adhesive layer 30
Pair surface all have viscosity, one of surface can be directly bonded on protective layer 20, another surface can be with packaging
Bag bonding, so as to which battery core 10 to be bonded in packaging bag, and then can be improved the mounting stability of battery core 10.
As shown in Figure 33-Figure 36, according to some embodiments of the present invention, adhesive layer 30 can bypass battery core 10.As a result, may be used
To improve the area of adhesive layer 30, to improve the active area of adhesive layer 30.For example, adhesive layer 30 may include the first glue section
310 and the second glue section 320, the first glue section 310 connect with the second glue section 320, the extending direction of the first glue section 310 and the second glue section
320 extending direction is different, and the first glue section 310 can be located on protective layer 20 corresponding to the outer surface of battery core 10, the second glue
Section 320 can be sticked on the protective layer 20 corresponding to the bottom wall 12 of battery core 10.Further, adhesive layer 30 further includes third glue
Section 330, third glue section 330 is connect with the second glue section 320, the extension side of the extending direction of third glue section 330 and the first glue section 310
To parallel, third glue section 330 can be located on protective layer 20 corresponding to the outer surface of battery core 10, and a part of battery core 10 is located at
Between first glue section 310 and third glue section 330.
Electrochemical appliance according to an embodiment of the present invention, including battery core component 1, battery core component 1 are any during basis is as above
Battery core component 1 described in.
The electrochemical appliance of the embodiment of the present invention includes all devices that electrochemical reaction wherein occurs.Specifically, electrochemical
Learn the primary battery that device includes all kinds, secondary cell, fuel cell, solar battery and capacitor, such as super capacitor
Device.Particularly preferred lithium secondary battery, including lithium metal secondary cell, lithium ion secondary battery, lighium polymer secondary battery and lithium
Ionomer secondary cell.
Electrochemical appliance according to an embodiment of the present invention by the way that protective layer 20 is arranged in the outer surface of battery core 10, and is bonded
Layer 30 is set to protective layer 20, and in 1 falling process of battery core component, adhesive layer 30 can play certain buffer function, to reduce
Adhesive layer 30 can be both connected indirectly in battery core 10 percussion of battery core 10, protective layer 20 by external force collision, be protected
Layer 20 can also form protective effect to battery core 10, and adhesive layer 30 can protect the not glued layer 30 in falling process of battery core 10
The case where pullling, causing the breakage of battery core 10, even explode, so as to improve the structural strength of battery core component 1, and then can mention
The security performance of high battery core component 1.
As shown in Figure 18-Figure 36, a side and two turnings for the battery core 10 of the battery core component 1 of the embodiment of the present invention is equal
It is wrapped up by protective layer 20, and adhesive layer 30 is pasted in the outside of protective layer 20.Adhesive layer 30 can be hot melt adhesive or double-sided adhesive.Adhesive layer
Without departing from the width of battery core 10, length can exceed 10 main body of battery core, be folded back to another side around 10 main body of battery core 30 width, viscous
It connects layer 30 and area overlapping is not installed with tab.Protective layer 20 can be placed in ending surface side or the opposite other side with ending face.Protective layer
20 starting point, tail end can be placed in that battery core 10 is ipsilateral, be located at heteropleural, and the starting of protective layer 20 with the interlude of protective layer 20
It holds not Chong Die with tab on 10 thickness direction of battery core.The width of protective layer 20 is more than that the width of battery core 10 is 0 ㎜ -5 ㎜.
Battery core component 1 according to the present invention is described in detail below with reference to Fig. 1, Figure 33-Figure 34.It is worth understanding, it is following
Description is merely illustrative, rather than to concrete restriction of the invention.
As shown in Figure 1, battery core component 1 according to an embodiment of the present invention, including battery core 10, protective layer 20 and adhesive layer 30.
Protective layer 20 is set to 10 surface of battery core.Adhesive layer 30 is set to protective layer 20, and adhesive layer 30 is located at the separate battery core 10 of protective layer 20
Side.
As shown in Figure 1, on the coiling direction of battery core 10, from the ending section of collector 110 along winding opposite direction, ending
Section include sequentially connected first flat segments 113, the first bending section 114, the second flat segments 115 and the second bending section 116, second
Matcoveredn 20 is all provided on flat segments 115, the first bending section 114 and the second bending section 116.
As shown in Figure 1, battery core 10 includes isolation film 100, collector 110 includes the first collector 111 and the second collector
112, the first collector 111 and 112 electrochemistry polarity of the second collector are on the contrary, isolation film 100 is arranged in 111 He of the first collector
Between second collector 112, the outermost collector 110 positioned at battery core 10 is the first collector 111, along the volume of the battery core
Around opposite direction, the second collector includes sequentially connected third flat segments, third bending section, the 4th flat segments and the 4th bending
Section, second flat segments and the third flat segments are relatively arranged on the two sides of the isolation film, and second flat segments
The first collector or the second collector are not provided between the third flat segments.
As shown in Figure 33-Figure 34, along 115 thickness direction of the second flat segments, adhesive layer 30 in the second flat segments 115 just
The contour line of view field is located in the second flat segments 115.Protective layer 20 includes first end 210 and second end 220, first end
210 and second end 220 be respectively positioned in the second flat segments 115 far from 10 center of battery core outside.Adhesive layer 30 is rectangle, bonding
Layer 30 bypasses battery core 10.Protective layer 20 is one side glue.Adhesive layer 30 is double-sided adhesive.
It in the related technology, can be by battery core and packaging bag by the way that double-sided adhesive or thermosol to be attached to the outer surface of battery core
It is bonded together.Double-sided adhesive or thermosol play certain buffer function in falling process, can reduce to tab and battery core diaphragm
Impact force.But double-sided adhesive or thermosol be when being affixed on battery core, can usually cause in falling process abutting edge collector or
Isolation film tearing, can impact tab position in this way, voltage drop is caused to be failed, and some battery cores are designed with MJ (vest), afflux
Isolation film can be pierced through after body tearing, causes collector short-circuit, so as to cause overheating, even exploding.In addition, with lithium-ion electric core
The thickness use of the promotion of energy density, packaging bag is gradually thinned, and the use increasingly limit of packaging bag inner space leads to corruption
Phenomenon is lost to aggravate.
The battery core component 1 of the embodiment of the present invention, before pasting hot melt adhesive or double-sided adhesive, first (such as with a protective layer 20
Cloth-one-side sheet) package battery core 10, the characteristics of protective layer 20 is the side and two turnings for being bonded battery core 10, in this way can be equal
The stress for the entire surface that weighs.The width of protective layer 20 is more than that the width of battery core 10 is 0 ㎜ -5 ㎜, can prevent 10 corner of battery core in this way
Collector contacted with packaging bag, so as to prevent battery core 10 corrode, further improve 10 reliability of battery core.
1- Figure 28 describes battery core component 1 according to an embodiment of the present invention with multiple embodiments with reference to the accompanying drawings.It is worth reason
Solution, it is described below to be merely illustrative, rather than to concrete restriction of the invention.
Battery core component 1 according to an embodiment of the present invention includes battery core 10, protective layer 20 and adhesive layer 30.Wherein, protective layer
20 are set to 10 surface of battery core, and adhesive layer 30 is set to protective layer 20, and adhesive layer 30 is located at the side of the separate battery core 10 of protective layer 20.
Battery core 10 includes the first collector 111, the second collector 112 and isolation film 100.First collector 111 and the second collector 112
Electrochemistry polarity is on the contrary, isolation film 100 is arranged between the first collector 111 and the second collector 112.
As Figure 1-Figure 2, on the coiling direction of battery core 10, from the ending section of collector 110 along winding opposite direction,
Ending section includes sequentially connected first flat segments 113, the first bending section 114, the second flat segments 115 and the second bending section 116,
Matcoveredn 20 is all provided on second flat segments 115, the first bending section 114 and the second bending section 116.One end of protective layer 20 is located at
The junction of first flat segments 113 and the first bending section 114, the other end of protective layer 20 are located at the second bending section 116 far from
The end of one end of two flat segments 115.Adhesive layer 30 is located at the second flat segments 115, (i.e. along 115 thickness direction of the second flat segments
Up and down direction as shown in Figure 1), it is flat that the contour line in orthographic projection region of the adhesive layer 30 in the second flat segments 115 is located at second
In straight section 115.Outermost collector 110 positioned at battery core 10 is the first collector 111, and the third of the second collector 112 is flat
The end of straight section is located at the second flat segments of the first collector 111.Protective layer 20 is one side glue.Adhesive layer 30 is double-sided adhesive.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 3, on the coiling direction of battery core 10, from afflux
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116, the second flat segments 115 are equipped with protective layer 20.One end of protective layer 20 is located at second
The junction of flat segments 115 and the first bending section 114, the other end of protective layer 20 are located at the second flat segments 115 and the second bending
The junction of section 116.Adhesive layer 30 is located at the second flat segments 115, (i.e. as shown in Figure 2 along 115 thickness direction of the second flat segments
Up and down direction), contour line of the adhesive layer 30 in the orthographic projection region in the second flat segments 115 is located in the second flat segments 115.Position
In battery core 10 outermost collector 110 be the first collector 111, the third flat segments of the second collector 112 end position
In the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 4, on the coiling direction of battery core 10, from afflux
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116, the second flat segments 115 and the second bending section 116 are equipped with protective layer 20.Protection
One end of layer 20 is located at the junction of the second flat segments 115 and the first bending section 114, and it is curved that the other end of protective layer 20 is located at second
The end of the one end of tune 116 far from the second flat segments 115.Adhesive layer 30 is located at the second flat segments 115, along the second flat segments
115 thickness directions (up and down direction i.e. as shown in Figure 4), the wheel in orthographic projection region of the adhesive layer 30 in the second flat segments 115
Profile is located in the second flat segments 115.Outermost collector 110 positioned at battery core 10 is the first collector 111, the second afflux
The end of the third flat segments of body 112 is located at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 5, on the coiling direction of battery core 10, from afflux
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116, the second flat segments 115 and the first bending section 114 are equipped with protective layer 20.Protection
One end of layer 20 is located at the junction of the first flat segments 113 and the first bending section 114, and it is flat that the other end of protective layer 20 is located at second
The junction of straight section 115 and the second bending section 116.Adhesive layer 30 is located at the second flat segments 115, along 115 thickness of the second flat segments
The contour line in direction (up and down direction i.e. as shown in Figure 5), orthographic projection region of the adhesive layer 30 in the second flat segments 115 is located at
In second flat segments 115.Outermost collector 110 positioned at battery core 10 is the first collector 111, the second collector 112
The end of third flat segments is located at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 6, on the coiling direction of battery core 10, from afflux
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116 are all provided on second flat segments 115, the first bending section 114 and the second bending section 116
Matcoveredn 20.One end of protective layer 20 is located at the junction of the first flat segments 113 and the first bending section 114, protective layer 20
The other end is located at the end of the one end of the second bending section 116 far from the second flat segments 115.Adhesive layer 30 is located at the second flat segments
115, along 115 thickness direction of the second flat segments (up and down direction i.e. as shown in FIG. 6), adhesive layer 30 is in the second flat segments 115
The contour line in orthographic projection region be located in the second flat segments 115.
As shown in fig. 6, the outermost collector 110 for being located at battery core 10 is the first collector 111, the second collector 112
The ends of third flat segments be located at the second flat segments of the first collector 111 and the first bending section of the first collector 111
Junction.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first collector 111
On the free end of active coating 120 be located in the second flat segments 115.The two sides of second collector 112 ending section are equipped with work
The free end of property coating 120, the active coating 120 on the second collector 112 is located at the second flat segments 115 and the first bending section
114 junction.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 7, on the coiling direction of battery core 10, from afflux
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116, the second flat segments 115 are equipped with protective layer 20.One end of protective layer 20 is located at second
The junction of flat segments 115 and the first bending section 114, the other end of protective layer 20 are located at the second flat segments 115 and the second bending
The junction of section 116.Adhesive layer 30 is located at the second flat segments 115, (i.e. as shown in Figure 7 along 115 thickness direction of the second flat segments
Up and down direction), contour line of the adhesive layer 30 in the orthographic projection region in the second flat segments 115 is located in the second flat segments 115.
As shown in fig. 7, the outermost collector 110 for being located at battery core 10 is the first collector 111, the second collector 112
The ends of third flat segments be located at the second flat segments of the first collector 111 and the first bending section of the first collector 111
Junction.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first collector 111
On the free end of active coating 120 be located in the second flat segments 115.The two sides of second collector 112 ending section are equipped with work
The free end of property coating 120, the active coating 120 on the second collector 112 is located at the second flat segments 115 and the first bending section
114 junction.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 8, on the coiling direction of battery core 10, from afflux
The ending section of body 110 along winding opposite direction, ending section include sequentially connected first flat segments 113, the first bending section 114,
Second flat segments 115 and the second bending section 116, the second flat segments 115 and the second bending section 116 are equipped with protective layer 20.Protection
One end of layer 20 is located at the junction of the second flat segments 115 and the first bending section 114, and it is curved that the other end of protective layer 20 is located at second
The end of the one end of tune 116 far from the second flat segments 115.Adhesive layer 30 is located at the second flat segments 115, along the second flat segments
115 thickness directions (up and down direction i.e. as shown in Figure 8), the wheel in orthographic projection region of the adhesive layer 30 in the second flat segments 115
Profile is located in the second flat segments 115.
As shown in figure 8, the outermost collector 110 for being located at battery core 10 is the first collector 111, the second collector 112
The ends of third flat segments be located at the second flat segments of the first collector 111 and the first bending section of the first collector 111
Junction.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first collector 111
On the free end of active coating 120 be located in the second flat segments 115.The two sides of second collector 112 ending section are equipped with work
The free end of property coating 120, the active coating 120 on the second collector 112 is located at the second flat segments 115 and the first bending section
114 junction.
Relative to embodiment shown in FIG. 1, in Fig. 9-embodiment shown in Fig. 10, on the coiling direction of battery core 10,
From the ending section of collector 110 along winding opposite direction, ending section includes that sequentially connected first flat segments 113, first are bent
The 114, second flat segments 115 of section and the second bending section 116, the second flat segments 115 and the first bending section 114 are equipped with protective layer
20.One end of protective layer 20 is located at the junction of the first flat segments 113 and the first bending section 114, the other end position of protective layer 20
In the junction of the second flat segments 115 and the second bending section 116.Adhesive layer 30 is located at the second flat segments 115, along the second flat segments
115 thickness directions (up and down direction i.e. as shown in Figure 9), the wheel in orthographic projection region of the adhesive layer 30 in the second flat segments 115
Profile is located in the second flat segments 115.Outermost collector 110 positioned at battery core 10 is the first collector 111, the second afflux
The end of the third flat segments of body 112 is located at the second flat segments of the first collector 111 and the first bending of the first collector 111
The junction of section.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first afflux
The free end of active coating 120 on body 111 is located in the second flat segments 115.The two sides of second collector 112 ending section are all provided with
Active coating 120, the free end of the active coating 120 on the second collector 112 are located at the second flat segments 115 and are bent with first
The junction of section 114.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 11, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113, the first bending section 114,115 and of the second flat segments
Matcoveredn 20 is all provided on second bending section 116, protective layer 20 is formed as tubular.Adhesive layer 30 is located at the second flat segments 115, edge
Second flat segments, 115 thickness direction (up and down direction i.e. as shown in figure 11), positive throwing of the adhesive layer 30 in the second flat segments 115
The contour line in shadow zone domain is located in the second flat segments 115.Outermost collector 110 positioned at battery core 10 is the first collector
111, the end of the third flat segments of the second collector 112 is located in the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 12, the outermost of battery core 10 is enclosed with isolation film
100, the outer surface of isolation film 100 is equipped with protective layer 20, and protective layer 20 is formed as tubular.Adhesive layer 30 is located at the second flat segments
115, along 115 thickness direction of the second flat segments (up and down direction i.e. as shown in figure 12), adhesive layer 30 is in the second flat segments 115
The contour line in orthographic projection region be located in the second flat segments 115.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 13-Figure 14, on the coiling direction of battery core 10,
From the ending section of collector 110 along winding opposite direction, ending section includes that sequentially connected first flat segments 113, first are bent
The 114, second flat segments 115 of section and the second bending section 116, the first flat segments 113, the first bending section 114 and the second bending section 116
On be all provided with matcoveredn 20.One end of protective layer 20 is located at the junction of the second flat segments 115 and the first bending section 114, protection
The other end of layer 20 is located at the junction of the second bending section 116 and the second flat segments 115.Adhesive layer 30 is in tabular, adhesive layer
30 one end is located in the first flat segments 113, and the other end of adhesive layer 30 extends towards the second bending section 116.Positioned at battery core 10
Outermost collector 110 be the first collector 111, the ends of the third flat segments of the second collector 112 is located at the first collection
Second flat segments of fluid 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in fig. 15, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113 are equipped with protective layer 20.One end of protective layer 20 is located at
The junction of first flat segments 113 and the first bending section 114, it is close that the other end of protective layer 20 extends to the second bending section 116
The end of one end of the first flat segments 113.Adhesive layer 30 is in tabular, and one end of adhesive layer 30 is located in the first flat segments 113,
The other end of adhesive layer 30 extends towards the second bending section 116.Outermost collector 110 positioned at battery core 10 is the first afflux
Body 111, the end of the third flat segments of the second collector 112 are located at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 16, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113 and the first bending section 114 are equipped with protective layer 20.
One end of protective layer 20 is located at the junction of the second flat segments 115 and the first bending section 114, and the other end of protective layer 20 extends to
End of second bending section 116 close to one end of the first flat segments 113.Adhesive layer 30 is in tabular, one end position of adhesive layer 30
In in the first flat segments 113, the other end of adhesive layer 30 extends towards the second bending section 116.Positioned at the outermost of battery core 10
Collector 110 is the first collector 111, and the end of the third flat segments of the second collector 112 is located at the of the first collector 111
Two flat segments.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 17, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113 and the second bending section 116 are equipped with protective layer 20.
One end of protective layer 20 is located at the junction of the first flat segments 113 and the first bending section 114, and the other end of protective layer 20 is located at the
The junction of two flat segments 115 and the second bending section 116.Adhesive layer 30 is in tabular, and it is flat that one end of adhesive layer 30 is located at first
In straight section 113, the other end of adhesive layer 30 extends towards the second bending section 116.Positioned at the outermost collector 110 of battery core 10
For the first collector 111, the end of the third flat segments of the second collector 112 is located at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 18-Figure 19, on the coiling direction of battery core 10,
From the ending section of collector 110 along winding opposite direction, ending section includes that sequentially connected first flat segments 113, first are bent
The 114, second flat segments 115 of section and the second bending section 116, the first flat segments 113, the first bending section 114 and the second bending section 116
On be all provided with matcoveredn 20.One end of protective layer 20 is located at the junction of the second flat segments 115 and the first bending section 114, protection
The other end of layer 20 is located at the junction of the second bending section 116 and the second flat segments 115.Adhesive layer 30 is in tabular, adhesive layer
30 one end is located in the first flat segments 113, and the other end of adhesive layer 30 extends towards the second bending section 116.
As shown in Figure 18-Figure 19, the outermost collector 110 positioned at battery core 10 is the first collector 111, the second afflux
The end of the third flat segments of body 112 is located at the second flat segments of the first collector 111 and the first bending of the first collector 111
The junction of section.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first afflux
The free end of active coating 120 on body 111 is located in the second flat segments 115.The two sides of second collector 112 ending section are all provided with
Active coating 120, the free end of the active coating 120 on the second collector 112 are located at the second flat segments 115 and are bent with first
The junction of section 114.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 20, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113 are equipped with protective layer 20.One end of protective layer 20 is located at
The junction of first flat segments 113 and the first bending section 114, it is close that the other end of protective layer 20 extends to the second bending section 116
The end of one end of the first flat segments 113.Adhesive layer 30 is in tabular, and one end of adhesive layer 30 is located in the first flat segments 113,
The other end of adhesive layer 30 extends towards the second bending section 116.
It as shown in figure 20, is the first collector 111, the second collector 112 positioned at the outermost collector 110 of battery core 10
The ends of third flat segments be located at the second flat segments of the first collector 111 and the first bending section of the first collector 111
Junction.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first collector 111
On the free end of active coating 120 be located in the second flat segments 115.The two sides of second collector 112 ending section are equipped with work
The free end of property coating 120, the active coating 120 on the second collector 112 is located at the second flat segments 115 and the first bending section
114 junction.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 21, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113 and the first bending section 114 are equipped with protective layer 20.
One end of protective layer 20 is located at the junction of the second flat segments 115 and the first bending section 114, and the other end of protective layer 20 extends to
End of second bending section 116 close to one end of the first flat segments 113.Adhesive layer 30 is in tabular, one end position of adhesive layer 30
In in the first flat segments 113, the other end of adhesive layer 30 extends towards the second bending section 116.
It as shown in figure 21, is the first collector 111, the second collector 112 positioned at the outermost collector 110 of battery core 10
The ends of third flat segments be located at the second flat segments of the first collector 111 and the first bending section of the first collector 111
Junction.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first collector 111
On the free end of active coating 120 be located in the second flat segments 115.The two sides of second collector 112 ending section are equipped with work
The free end of property coating 120, the active coating 120 on the second collector 112 is located at the second flat segments 115 and the first bending section
114 junction.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 22, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113 and the second bending section 116 are equipped with protective layer 20.
One end of protective layer 20 is located at the junction of the first flat segments 113 and the first bending section 114, and the other end of protective layer 20 is located at the
The junction of two flat segments 115 and the second bending section 116.Adhesive layer 30 is in tabular, and it is flat that one end of adhesive layer 30 is located at first
In straight section 113, the other end of adhesive layer 30 extends towards the second bending section 116.
It as shown in figure 22, is the first collector 111, the second collector 112 positioned at the outermost collector 110 of battery core 10
The ends of third flat segments be located at the second flat segments of the first collector 111 and the first bending section of the first collector 111
Junction.The side towards 10 center of battery core of first collector 111 ending section is equipped with active coating 120, the first collector 111
On the free end of active coating 120 be located in the second flat segments 115.The two sides of second collector 112 ending section are equipped with work
The free end of property coating 120, the active coating 120 on the second collector 112 is located at the second flat segments 115 and the first bending section
114 junction.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 23, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113, the first bending section 114,115 and of the second flat segments
Matcoveredn 20 is all provided on second bending section 116, protective layer 20 is formed as tubular.Adhesive layer 30 is in tabular, adhesive layer 30
One end is located in the first flat segments 113, and the other end of adhesive layer 30 extends towards the second bending section 116.Most positioned at battery core 10
The collector 110 in outside is the first collector 111, and the end of the third flat segments of the second collector 112 is located at the first collector
111 the second flat segments.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 24, the outermost of battery core 10 is enclosed with isolation film
100, the outer surface of isolation film 100 is equipped with protective layer 20, and protective layer 20 is formed as tubular.Adhesive layer 30 is in tabular, adhesive layer
30 one end is located in the first flat segments 113, and the other end of adhesive layer 30 extends towards the second bending section 116.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 25, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the second flat segments 115 and the second bending section 116 are equipped with protective layer 20.
One end of protective layer 20 is located in the second flat segments 115, and it is flat far from second that the other end of protective layer 20 is located at the second bending section 116
The end of one end of straight section 115.Adhesive layer 30 is located at the second flat segments 115, along 115 thickness direction of the second flat segments (i.e. as schemed
Up and down direction shown in 25), the contour line in orthographic projection region of the adhesive layer 30 in the second flat segments 115 is located at the second flat segments
In 115.Outermost collector 110 positioned at battery core 10 is the first collector 111, the third flat segments of the second collector 112
End be located at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 26, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, on the second flat segments 115, the first bending section 114 and the second bending section 116
Equipped with protective layer 20.One end of protective layer 20 is located in the first bending section 114, and the other end of protective layer 20 is located at the second bending section
In 116.Adhesive layer 30 is located at the second flat segments 115, and adhesive layer 30 is located in the second flat segments 115, thick along the second flat segments 115
It spends direction (up and down direction i.e. as shown in figure 26), the contour line in orthographic projection region of the adhesive layer 30 in the second flat segments 115
In the second flat segments 115.Outermost collector 110 positioned at battery core 10 is the first collector 111, the second collector
The end of 112 third flat segments is located at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 27, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, on the second flat segments 115, the first bending section 114 and the second bending section 116
Equipped with protective layer 20.One end of protective layer 20 is located in the first bending section 114, and the other end of protective layer 20 is located at the second bending section
In 116.One end of adhesive layer 30 is located in the first bending section 114, and the other end of adhesive layer 30 is located in the second flat segments 115.
Outermost collector 110 positioned at battery core 10 is the first collector 111, the end of the third flat segments of the second collector 112
Positioned at the second flat segments of the first collector 111.
Relative to embodiment shown in FIG. 1, in the embodiment shown in Figure 28, on the coiling direction of battery core 10, from collection
For the ending section of fluid 110 along winding opposite direction, ending section includes sequentially connected first flat segments 113, the first bending section
114, the second flat segments 115 and the second bending section 116, the first flat segments 113, the second flat segments 115,114 and of the first bending section
Second bending section 116 is equipped with protective layer 20.One end of protective layer 20 is located in the first flat segments 113, protective layer 20 it is another
End is located in the second bending section 116.Adhesive layer 30 is located at the second flat segments 115, and adhesive layer 30 is located in the second flat segments 115,
Along 115 thickness direction of the second flat segments (up and down direction i.e. as shown in figure 28), adhesive layer 30 in the second flat segments 115 just
The contour line of view field is located in the second flat segments 115.Outermost collector 110 positioned at battery core 10 is the first collector
111, the end of the third flat segments of the second collector 112 is located at the second flat segments of the first collector 111.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (18)
1. a kind of battery core component, comprising:
Battery core；
Protective layer, the protective layer are set to the battery core surface；With
Adhesive layer, wherein the protective layer is arranged between the battery core and the adhesive layer.
2. battery core component according to claim 1, the battery core includes the first collector, and first collector is set
In the battery core outmost turns, first collector includes sequentially connected first flat segments, the first bending section, the second flat segments
With the second bending section；
Wherein, first flat segments and second flat segments are planar structure, and first flat segments and described second
At least one section of surface is equipped with the protective layer in flat segments.
3. battery core component according to claim 1, the battery core includes the first collector, and first collector is set
In the battery core outmost turns, first collector includes sequentially connected first flat segments, the first bending section, the second flat segments
With the second bending section；
First bending section and second bending section are arcuate structure, and first bending section and second bending section
It is arranged on the opposite two sides of the battery core；
Wherein, at least one section of surface is equipped with the protective layer in first bending section and second bending section.
4. battery core component according to claim 2, wherein the surface of first flat segments and second flat segments is equal
Equipped with the protective layer.
5. battery core component according to claim 3, wherein first bending section and the second bending section surface are all provided with
There is the protective layer.
6. battery core component according to claim 2, wherein the battery core includes isolation film and the second collector, and described
One collector and the second collector electrochemistry polarity on the contrary, isolation film setting in first collector and described the
Between two collectors, along the winding opposite direction of the battery core, second collector includes sequentially connected third flat segments,
Three bending sections, the 4th flat segments and the 4th bending section, second flat segments and the third flat segments are relatively arranged on described
The two sides of isolation film, and first collector or described are not provided between second flat segments and the third flat segments
Two collectors.
7. the battery core component according to any one of claim 2-6, wherein along the second flat segments thickness direction, institute
State adhesive layer the protective layer orthographic projection contour line in the plane be located on the protective layer.
8. battery core component according to claim 5, wherein the protective layer includes first end, and the first end is located at institute
State the surface of the first flat segments or second flat segments.
9. battery core component according to claim 2, wherein the protective layer includes first end, and the first end is located at institute
State the surface of the first bending section or second bending section.
10. battery core component according to claim 2, wherein first flat segments, first bending section, described
The surface of two flat segments and second bending section is equipped with the protective layer.
11. battery core component according to claim 6, wherein on the coiling direction of the battery core, the isolation film covering
The battery core outer surface, the protective layer are located at the isolation film surface.
12. battery core component according to claim 1, wherein on the coiling direction of the battery core, the battery core outmost turns
The first collector include first surface and second surface, the first surface is configured to the outer surface of the battery core, described
Second surface is towards the center of the battery core.
13. battery core component according to claim 12, wherein the second surface is equipped with active layer.
14. battery core component according to claim 1, wherein the adhesive layer is multiple, and multiple adhesive layer intervals
Setting.
15. battery core component according to claim 1, wherein the protective layer is one side glue.
16. battery core component according to claim 1, wherein the adhesive layer is double-sided adhesive.
17. battery core component according to claim 1, wherein the adhesive layer bypasses the battery core.
18. a kind of electrochemical appliance, wherein include:
Battery core component, the battery core component are the battery core component according to any one of claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327459.0A CN110379942A (en) | 2018-04-12 | 2018-04-12 | Battery core component and electrochemical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327459.0A CN110379942A (en) | 2018-04-12 | 2018-04-12 | Battery core component and electrochemical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110379942A true CN110379942A (en) | 2019-10-25 |
Family
ID=68243586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810327459.0A Pending CN110379942A (en) | 2018-04-12 | 2018-04-12 | Battery core component and electrochemical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110379942A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370641A (en) * | 2020-03-24 | 2020-07-03 | 宁德新能源科技有限公司 | Electrode assembly, battery using same and electric device |
| CN112968233A (en) * | 2021-01-29 | 2021-06-15 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN113097571A (en) * | 2021-03-30 | 2021-07-09 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN113097572A (en) * | 2021-03-30 | 2021-07-09 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment thereof |
| CN113614978A (en) * | 2020-03-31 | 2021-11-05 | 东莞新能安科技有限公司 | Electrochemical device and electronic device using the same |
| CN113728486A (en) * | 2021-02-09 | 2021-11-30 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060092429A (en) * | 2005-02-17 | 2006-08-23 | 주식회사 엘지화학 | Stability-improved secondary battery containing fixing member |
| CN1841834A (en) * | 2005-03-29 | 2006-10-04 | 三洋电机株式会社 | Spiral electrode rectangular battery |
| US20060222934A1 (en) * | 2005-03-23 | 2006-10-05 | Samsung Sdi Co., Ltd | Electrode assembly for lithium ion secondary battery and lithium ion secondary battery using the same |
| CN101150183A (en) * | 2006-09-19 | 2008-03-26 | 深圳市比克电池有限公司 | A coiling lithium secondary battery |
| CN202205852U (en) * | 2011-09-22 | 2012-04-25 | 东莞新能源科技有限公司 | Flexible packaged lithium ion battery |
| KR20140046614A (en) * | 2012-10-09 | 2014-04-21 | 주식회사 엘지화학 | Electrode assembly having improved dropping impact stability |
| CN203690420U (en) * | 2014-01-23 | 2014-07-02 | 东莞新能源科技有限公司 | Lithium ion battery |
| CN104710946A (en) * | 2013-12-16 | 2015-06-17 | 三星Sdi株式会社 | Jelly roll tape for rechargeable battery and rechargeable battery having the same |
| CN105368336A (en) * | 2015-10-16 | 2016-03-02 | 广东烛光新能源科技有限公司 | Electrochemical cell and preparation method thereof |
| CN105390627A (en) * | 2015-10-16 | 2016-03-09 | 广东烛光新能源科技有限公司 | Electrochemical cell and preparation method thereof |
| JP2016039126A (en) * | 2014-08-05 | 2016-03-22 | 東莞新能源科技有限公司Ｄｏｎｇｇｕａｎ Ａｍｐｅｒｅｘ Ｔｅｃｈｎｏｌｏｇｙ Ｌｉｍｉｔｅｄ | Electrochemical energy storage device |
| CN205203875U (en) * | 2015-12-24 | 2016-05-04 | 孔小涛 | High strength two -compartment oil tank |
| CN205723715U (en) * | 2016-07-06 | 2016-11-23 | 宁德新能源科技有限公司 | Flexible packing lithium ion battery |
| CN106233523A (en) * | 2014-04-21 | 2016-12-14 | 索尼公司 | Secondary cell, set of cells, electric vehicle, accumulating system, electric tool and electronic equipment |
| CN205882084U (en) * | 2016-07-05 | 2017-01-11 | 宁德新能源科技有限公司 | Lithium ion battery |
| CN206003909U (en) * | 2016-09-22 | 2017-03-08 | 宁德新能源科技有限公司 | A kind of takeup type battery core |
| KR20170055804A (en) * | 2015-11-12 | 2017-05-22 | 삼성에스디아이 주식회사 | Secondary battery |
| CN206322794U (en) * | 2016-12-28 | 2017-07-11 | 东莞鑫电能源有限公司 | A kind of flat slimline battery of charger baby |
| CN206401456U (en) * | 2016-12-27 | 2017-08-11 | 宁德新能源科技有限公司 | A kind of takeup type battery core |
| CN206532840U (en) * | 2016-12-27 | 2017-09-29 | 宁德新能源科技有限公司 | A kind of takeup type battery core |
| CN210156440U (en) * | 2018-01-05 | 2020-03-17 | 宁德新能源科技有限公司 | Battery with a battery cell |
-
2018
- 2018-04-12 CN CN201810327459.0A patent/CN110379942A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060092429A (en) * | 2005-02-17 | 2006-08-23 | 주식회사 엘지화학 | Stability-improved secondary battery containing fixing member |
| US20060222934A1 (en) * | 2005-03-23 | 2006-10-05 | Samsung Sdi Co., Ltd | Electrode assembly for lithium ion secondary battery and lithium ion secondary battery using the same |
| CN1841834A (en) * | 2005-03-29 | 2006-10-04 | 三洋电机株式会社 | Spiral electrode rectangular battery |
| CN101150183A (en) * | 2006-09-19 | 2008-03-26 | 深圳市比克电池有限公司 | A coiling lithium secondary battery |
| CN202205852U (en) * | 2011-09-22 | 2012-04-25 | 东莞新能源科技有限公司 | Flexible packaged lithium ion battery |
| KR20140046614A (en) * | 2012-10-09 | 2014-04-21 | 주식회사 엘지화학 | Electrode assembly having improved dropping impact stability |
| CN104710946A (en) * | 2013-12-16 | 2015-06-17 | 三星Sdi株式会社 | Jelly roll tape for rechargeable battery and rechargeable battery having the same |
| CN203690420U (en) * | 2014-01-23 | 2014-07-02 | 东莞新能源科技有限公司 | Lithium ion battery |
| CN106233523A (en) * | 2014-04-21 | 2016-12-14 | 索尼公司 | Secondary cell, set of cells, electric vehicle, accumulating system, electric tool and electronic equipment |
| JP2016039126A (en) * | 2014-08-05 | 2016-03-22 | 東莞新能源科技有限公司Ｄｏｎｇｇｕａｎ Ａｍｐｅｒｅｘ Ｔｅｃｈｎｏｌｏｇｙ Ｌｉｍｉｔｅｄ | Electrochemical energy storage device |
| CN105449255A (en) * | 2014-08-05 | 2016-03-30 | 东莞新能源科技有限公司 | Electrochemical energy storage device |
| CN105390627A (en) * | 2015-10-16 | 2016-03-09 | 广东烛光新能源科技有限公司 | Electrochemical cell and preparation method thereof |
| CN105368336A (en) * | 2015-10-16 | 2016-03-02 | 广东烛光新能源科技有限公司 | Electrochemical cell and preparation method thereof |
| KR20170055804A (en) * | 2015-11-12 | 2017-05-22 | 삼성에스디아이 주식회사 | Secondary battery |
| CN205203875U (en) * | 2015-12-24 | 2016-05-04 | 孔小涛 | High strength two -compartment oil tank |
| CN205882084U (en) * | 2016-07-05 | 2017-01-11 | 宁德新能源科技有限公司 | Lithium ion battery |
| CN205723715U (en) * | 2016-07-06 | 2016-11-23 | 宁德新能源科技有限公司 | Flexible packing lithium ion battery |
| CN206003909U (en) * | 2016-09-22 | 2017-03-08 | 宁德新能源科技有限公司 | A kind of takeup type battery core |
| CN206401456U (en) * | 2016-12-27 | 2017-08-11 | 宁德新能源科技有限公司 | A kind of takeup type battery core |
| CN206532840U (en) * | 2016-12-27 | 2017-09-29 | 宁德新能源科技有限公司 | A kind of takeup type battery core |
| CN206322794U (en) * | 2016-12-28 | 2017-07-11 | 东莞鑫电能源有限公司 | A kind of flat slimline battery of charger baby |
| CN210156440U (en) * | 2018-01-05 | 2020-03-17 | 宁德新能源科技有限公司 | Battery with a battery cell |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370641A (en) * | 2020-03-24 | 2020-07-03 | 宁德新能源科技有限公司 | Electrode assembly, battery using same and electric device |
| CN113614978A (en) * | 2020-03-31 | 2021-11-05 | 东莞新能安科技有限公司 | Electrochemical device and electronic device using the same |
| EP4131557A4 (en) * | 2020-03-31 | 2023-09-13 | Dongguan Poweramp Technology Limited | Electrochemical apparatus and electronic apparatus using electrochemical apparatus |
| CN113614978B (en) * | 2020-03-31 | 2024-05-10 | 东莞新能安科技有限公司 | Electrochemical device and electronic device using the same |
| CN112968233A (en) * | 2021-01-29 | 2021-06-15 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN113728486A (en) * | 2021-02-09 | 2021-11-30 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| WO2022170531A1 (en) * | 2021-02-09 | 2022-08-18 | 宁德新能源科技有限公司 | Electrochemical apparatus and electronic apparatus |
| CN113728486B (en) * | 2021-02-09 | 2023-02-28 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| EP4293789A4 (en) * | 2021-02-09 | 2024-04-10 | Ningde Amperex Technology Ltd. | Electrochemical apparatus and electronic apparatus |
| CN113097571A (en) * | 2021-03-30 | 2021-07-09 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN113097572A (en) * | 2021-03-30 | 2021-07-09 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110379942A (en) | Battery core component and electrochemical appliance | |
| CN110808377B (en) | Battery cell, battery and electronic equipment | |
| JP4485217B2 (en) | Jerry roll type battery unit, winding method and lithium secondary battery including the same | |
| KR102519604B1 (en) | winding cell | |
| CN110233299B (en) | Winding type battery cell | |
| JP2013535791A (en) | Secondary battery pouch with improved safety, pouch-type secondary battery and medium-sized battery pack using the same | |
| CN111403789A (en) | Electrode assembly and battery | |
| CN115566375B (en) | Energy storage device and electric device | |
| US20090297946A1 (en) | Soft Packaged And High Capacity Lithium Ion Battery And The Manufacture Method Of The Same | |
| CN211980650U (en) | Battery, battery pack and vehicle | |
| JP6273079B2 (en) | Secondary battery | |
| CN107275562A (en) | Battery and cover plate structure thereof | |
| CN107546421B (en) | Winding type battery cell | |
| CN113675535B (en) | Battery cell and electronic device | |
| WO2009113470A1 (en) | Coating material and film-wrapped electric device | |
| KR101095343B1 (en) | Jelly-Roll Of Improved Structure And Secondary Battery Containing Them | |
| KR100934465B1 (en) | Jelly-roll having a structure wrapped around the protective tape and a secondary battery including the same | |
| CN112086585A (en) | Battery with a battery cell | |
| CN113614978B (en) | Electrochemical device and electronic device using the same | |
| CN112968257A (en) | Battery core, battery pack and electric equipment | |
| CN218849728U (en) | Naked electric core insulating piece, battery, module and battery package | |
| KR20200114385A (en) | Pouch type secondary battery and method of manufacturing the same | |
| CN110380108A (en) | Battery core and electrochemical appliance with it | |
| CN113054212B (en) | Winding type battery cell and battery | |
| CN114976512A (en) | Pole piece, electric core structure, lithium battery and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |