CN109411644A - Battery core film and battery - Google Patents
Battery core film and battery Download PDFInfo
- Publication number
- CN109411644A CN109411644A CN201811516281.0A CN201811516281A CN109411644A CN 109411644 A CN109411644 A CN 109411644A CN 201811516281 A CN201811516281 A CN 201811516281A CN 109411644 A CN109411644 A CN 109411644A
- Authority
- CN
- China
- Prior art keywords
- supporting part
- containing portion
- battery core
- hole
- gasket
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 239000003792 electrolyte Substances 0.000 abstract description 10
- 230000001681 protective effect Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005470 impregnation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000005041 Mylar™ Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 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
- 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
-
- 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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses battery core film and batteries, are related to battery technology field.A kind of battery core film comprising coating film and gasket.Coating film includes supporting part, the first containing portion and the second containing portion, and the first containing portion is located at the two sides of supporting part, and the second containing portion is located at the two sides in the first containing portion.Supporting part, the first containing portion and the second containing portion can surround the installation space for installing naked battery core jointly.Multiple spaced first through hole are offered on supporting part.Gasket is attached at supporting part, and offers multiple spaced second through-holes, and each second through-hole is all set between two adjacent first through hole, and is connected to two first through hole and forms the first preformed hole for being connected to installation space.A kind of battery, which employs above-mentioned battery core films.Battery core film and battery provided by the invention can reduce cost of manufacture, mitigate battery weight, improve electrolyte to the effect of impregnation of naked battery core, and can provide effectively protective effect to naked battery core.
Description
Technical field
The present invention relates to battery technology fields, in particular to battery core film and battery.
Background technique
Now with the development of lithium electricity industry, high energy density cells are inevitable directions.It finds or develops and is a kind of novel
High-energy density lithium electric material is a very long research process, time-consuming and higher cost, and one when from auxiliary material
The method that short time relatively effectively improves battery energy density and reduces cost.
Summary of the invention
The purpose of the present invention is to provide a kind of battery core films, can reduce cost of manufacture, mitigate battery weight, improve electrolysis
Liquid can provide effectively protective effect to naked battery core to the effect of impregnation of naked battery core.
The present invention provides a kind of technical solution:
A kind of battery core film, for wrapping up naked battery core, the battery core film includes coating film and gasket.
The coating film includes supporting part, the first containing portion and the second containing portion, and first containing portion is connected to described
Supporting part and the two sides for being located at the supporting part, second containing portion are connected to first containing portion and are located at described first
The two sides in containing portion.
First containing portion can supporting part fold relatively, second containing portion can first containing portion relatively
Fold, and the supporting part, first containing portion and second containing portion is made to surround installation space, the installation jointly
Space is for installing the naked battery core.
Multiple first through hole, multiple first through hole interval settings are offered on the supporting part.
The gasket is attached at the supporting part, and multiple spaced second through-holes are offered on the gasket,
Each second through-hole is all set between two adjacent first through hole, and is connected to two first through hole
And form the first preformed hole for being connected to the installation space.
Further, the edge of the supporting part has the first opening, and the edge of the gasket has the second opening,
First opening and second opening in communication simultaneously form the second preformed hole, and second preformed hole is connected to the installation
Space.
Further, the opening area of second opening is greater than the opening area of first opening.
Further, the supporting part and the gasket are square, and offer down on four angles of the supporting part
Angle is to form first opening.Chamfering is offered on four angles of the gasket to form second opening.
Further, at least two first positioning holes are offered on the supporting part, and at least two are offered on the gasket
A second location hole, the first positioning hole and the second location hole are corresponded and are interconnected.
Further, first containing portion and second containing portion joint offer folding slot, and the folding slot
Side positioned at first containing portion far from the supporting part.
Further, second containing portion offers through slot, the through slot position far from the side in first containing portion
In second containing portion close to the side of the supporting part, and the through slot is connected to the installation space.
Further, second containing portion includes the first containing section and second contains section, and described first contains section and institute
The integrated molding of the second containing section is stated, the first containing section is arranged far from the supporting part, and described second contains section close to described
Supporting part setting, and the described first width for containing section is greater than described second and contains the width of section to form the through slot.
Further, first containing portion is two, and second containing portion is four.
Two first containing portions are located at the opposite two sides in the supporting part.Phase in each first containing portion
Second containing portion is both provided with adjacent to the side of the supporting part.
Described first contain section width it is one more medium-sized than the supporting part width, the width of the second containing section compares institute
The half for stating supporting part width is small.
Compared with prior art, the beneficial effect of battery core film provided by the invention is:
Battery core film provided by the invention can be by forming first between the first through hole of supporting part and the second through-hole of gasket
Preformed hole, and be connected by the first preformed hole with installation space.Wherein, can by opening up first through hole on supporting part,
And open up the second through-hole on gasket and then realize the purpose for reducing the weight of battery core film, it thereby reduces and uses the battery core film
Battery weight.In addition, passing through the setting of the first preformed hole, electrolyte can be improved by the first preformed hole and immerse installation space
And the effect of naked battery core is infiltrated, in addition, discharge can be dropped off naked battery core by the first preformed hole, protect the safety of battery.
Another object of the present invention is to provide a kind of batteries, can reduce cost of manufacture, mitigate battery weight, improve electricity
Liquid is solved to the effect of impregnation of naked battery core, and effectively protective effect can be provided to naked battery core.
The present invention provides a kind of technical solution:
A kind of battery, including battery core film.The battery core film includes coating film and gasket.
The coating film includes supporting part, the first containing portion and the second containing portion, and first containing portion is connected to described
Supporting part and the two sides for being located at the supporting part, second containing portion are connected to first containing portion and are located at described first
The two sides in containing portion.
First containing portion can supporting part fold relatively, second containing portion can first containing portion relatively
Fold, and the supporting part, first containing portion and second containing portion is made to surround installation space, the installation jointly
Space is for installing the naked battery core.
Multiple first through hole, multiple first through hole interval settings are offered on the supporting part.
The gasket is attached at the supporting part, and multiple spaced second through-holes are offered on the gasket,
Each second through-hole is all set between two adjacent first through hole, and is connected to two first through hole
And form the first preformed hole for being connected to the installation space.
Compared with prior art, the beneficial effect of battery provided by the invention with above-mentioned battery core film having compared with the existing technology
Beneficial effect is identical, and details are not described herein.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the explosive view for the battery core film that the first embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the battery core film that the first embodiment of the present invention provides；
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 at III；
Fig. 4 is the structural schematic diagram for the coating film that the first embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram of the gasket provided in the first embodiment of the present invention.
Icon: 10- battery core film；11- coating film；12- gasket；The supporting part 100-；110- first through hole；111- first is reserved
Hole；120- first is open；The second preformed hole of 121-；130- first positioning hole；The first containing of 200- portion；210- rolls over slot；300-
Two containing portions；310- through slot；320- first contains section；330- second contains section；The second through-hole of 510-；520- second is open；
530- second location hole.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " on ", "lower", "inner", "outside", "left", "right" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship or the orientation or positional relationship that usually understands of those skilled in the art, be merely for convenience of retouching
It states the present invention and simplifies description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
With reference to the accompanying drawing, detailed description of the preferred embodiments.
First embodiment
Referring to Fig. 1, providing a kind of battery core film 10 in the present embodiment, battery (not shown) is applied, wherein battery tool
There is naked battery core (not shown), battery core film 10 is for wrapping up naked battery core, to provide protective effect to naked battery core.Wherein, battery core film 10
Cost of manufacture can be reduced, battery weight is mitigated, improves electrolyte to the effect of impregnation of naked battery core, and can be provided with to naked battery core
Effect ground protective effect.
In the present embodiment, battery core film 10 includes coating film 11 and gasket 12, and coating film 11 is for being coated on naked battery core
Outside, to provide protective action to naked battery core.Gasket 12 then for pad be set between naked battery core and coating film 11, can further to
Naked battery core provides protective action.
It should be noted that in the present embodiment, coating film 11 is made of mylar material, coating film 11 can be reduced
Weight, and then reduce the weight of the battery using the battery core film 10.And cost is relatively low for mylar film, thereby reduces production electricity
The cost of core film 10.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, further, coating film 11 includes supporting part 100,200 and of the first containing portion
Second containing portion 300.It should be noted that in the present embodiment, the first containing portion 200 is two, two the first containing portions 200
Two sides opposite on supporting part 100 are connected to, and two the first containing portions 200 can be turned down relative to supporting part 100.Separately
Outside, in the present embodiment, the second containing portion 300 is four, adjacent to two of supporting part 100 in each first containing portion 200
Side is provided with a second containing portion 300, and the second containing portion 300 can be turned down relative to the first containing portion 200.Into one
Step ground, in the present embodiment, the first containing portion 200 is turned down relative to supporting part 100, and the second containing portion 300 is relative to the second packet
Appearance portion 300 turns down, and supporting part 100, the first containing portion 200 and the second containing portion 300 can be made to surround installation space jointly, installs
Space is for installing naked battery core.Gasket 12 is then set to inside installation space, and gasket 12 fits on supporting part 100, with
Convenient for carrying naked battery core jointly by gasket 12 and supporting part 100, and then effective protective action is provided to naked battery core.
It should be noted that when installation space is collectively formed in supporting part 100, the first containing portion 200 and the second containing portion 300
When, two the second containing portions 300 positioned at 100 the same side of supporting part are bonded to each other.In addition, in the present embodiment, supporting part
100, the first containing portion 200 and the second containing portion 300 are generally rectangular shaped, so that installation space is square.
In the present embodiment, multiple first through hole 110 are offered on supporting part 100, multiple intervals of first through hole 110 are set
It sets.Specifically, in this embodiment, length direction of the multiple first through hole 110 on supporting part 100 along supporting part 100 forms two
Column, the setting of two column first through hole 110 interval.In multiple first through hole 110 of each column, multiple first through hole 110 are spaced setting.
By the setting of multiple first through hole 110, the weight of battery core film 10 can be reduced, the electricity using the battery core film 10 can be further decreased
The weight in pond.It should be appreciated that the arrangement mode of multiple first through hole 110 can also be different in other embodiments, such as two column
First through hole 110 is staggered or multiple first through hole 110 are randomly provided.
In addition, in the present embodiment, multiple second through-holes 510 are offered on gasket 12, multiple intervals of second through-hole 510 are set
It sets.Specifically, in the present embodiment, multiple second through-holes 510 form two column, two the second through-holes of column 510 interval on gasket 12
Setting, and multiple second through-holes 510 in multiple second through-holes 510 of each column are spaced setting.Pass through multiple second through-holes 510
Setting, can reduce the weight of gasket 12, can further decrease the weight of the battery using the gasket 12.It should be appreciated that at other
In embodiment, the arrangement mode of multiple second through-holes 510 be can also be different, for example, two the second through-holes of column 510 are staggered, or
Multiple second through-holes 510 of person are randomly provided.
Further, in the present embodiment, each second through-hole 510 be all set in two adjacent first through hole 110 it
Between, and be connected with two the second through-holes 510, form the first preformed hole 111 being connected with installation space.Wherein, pass through
The setting of one preformed hole 111 can immerse convenient for electrolyte to installation space, and then improve the effect that electrolyte infiltrates naked battery core
Fruit.Also, discharge can be dropped off by what naked battery core was fallen by the first preformed hole 111, in order to provide efficient protect to naked battery core
Shield effect.
It should be noted that in the present embodiment, the width of gasket 12 is suitable with the width of supporting part 100, gasket 12
Length is suitable with the length of supporting part 100, i.e., when gasket 12 fits in supporting part 100, the edge of gasket 12 substantially with support
The edge in portion 100 coincides.
It should be noted that in the present embodiment, the radius of the second through-hole 510 is greater than the radius of first through hole 110.And
And, wherein the diameter of the second through-hole 510 is slightly larger than the distance between corresponding two first through hole 110, so that first
Preformed hole 111 is smaller.
Further, Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, in the present embodiment, the edge of supporting part 100
There is the first opening 120, the edge of gasket 12 has the second opening 520.First opening 120 is connected simultaneously with the second opening 520
The second preformed hole 121 is formed, the second preformed hole 121 is connected to installation space.By the setting of the second preformed hole 121, so that
It further increases electrolyte to immerse to the efficiency of installation space, and then improves the effect infiltrated for naked battery core.
It should be noted that in the present embodiment, opening up chamfering on four angles of supporting part 100 to form the first opening
120；Chamfering is offered on four angles of gasket 12 to form the second opening 520.Also, in the present embodiment, the first opening 120
Opening area less than second opening 520 opening area, to avoid gasket 12 edge generation warp.
In the present embodiment, Fig. 1 and Fig. 5 are please referred to, first positioning hole 130, gasket 12 are offered on supporting part 100
On offer second location hole 530.When gasket 12 and supporting part 100 are bonded to each other, first positioning hole 130 and second location hole
530 are interconnected, to pass through interconnected raising gasket 12 and the supporting part 100 of first positioning hole 130 and second location hole 530
Between installation accuracy, that is, when first positioning hole 130 and second location hole 530 are interconnected, then show gasket 12 and support
Portion 100 conforms to specified state.
It should be noted that in the present embodiment, being opened up on gasket 12 there are two second location hole 530, two second fixed
Position hole 530 offers the both ends of gasket 12 respectively.Similarly, it is opened up on supporting part 100 there are two first positioning hole 130, two the
A positioning hole 130 is opened in the both ends of supporting part 100 respectively.Also, when gasket 12 and supporting part 100 are bonded to each other, two
First positioning hole 130 is connected with two second location holes 530 respectively.It should be appreciated that in other embodiments, first positioning hole
130 quantity and the quantity of second location hole 530 may be set to be other numerical value, only need at least two first positioning holes
It is interconnected between 130 and two second location holes 530 and realizes the accurate positioning of gasket 12 and supporting part 100.
Please continue to refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the first containing portion 200 and 300 joint of the second containing portion offer folding
Slot 210, folding slot 210 are located at the first side of the containing portion 200 far from supporting part 100.Wherein, when the second containing portion 300 is opposite
When the first containing portion 200 turns down, the side in the first containing portion 200 and the second containing portion 300 can be avoided by the setting of folding slot 210
Side generates and crumbles, and when naked battery core is installed on inside installation space, is also convenient for binding for naked battery core, can be rolled over by bending
The part of 210 two sides of slot conforms to the top of naked battery core.
It should be noted that when the first containing portion 200 and the expansion of the second containing portion 300 are so that the first containing portion 200, second
When containing portion 300 and supporting part 100 are generally aligned in the same plane, two sides of supporting part 100 along its length are located at 210 liang of slot of folding
Between a side wall, so that when the second containing portion 300 is bent relative to the first containing portion 200, the can be avoided by rolling over slot 210
One containing portion 200 and 300 avris of the second containing portion crumble.
In addition, the second containing portion 300 offers through slot 310 far from the side in the first containing portion 200, through slot 310 is located at the
Side of the two containing portions 300 close to supporting part 100.Also, when the first containing portion 200, the second containing portion 300 and supporting part 100
When installation space is collectively formed, through slot 310 is connected to installation space.Electrolyte immersion can be further increased by through slot 310
To the effect of installation space, and then improve the effect for infiltrating naked battery core.
It should be noted that in the present embodiment, the second containing portion 300 includes that the first containing section 320 and second contain section
330, first contains section 320 and the second containing integrated molding of section 330, and first contains section 320 for one far from supporting part 100
Point, second contains a part that section 330 is close supporting part 100.And, wherein the first width for containing section 320 is greater than second
Contain the width of section 330, to form through slot 310.That is, can also be as far from the first packet in the second rectangular containing portion 300
One piece of rectangular fritter is cut on the angle of appearance portion 200 and close supporting part 100 forms through slot 310.When the second containing portion 300 encloses
When at installation space, through slot 310 just can be made to be connected to installation space, and then provide and improve the mesh that electrolyte immerses installation space
's.
Further, in the present embodiment, first contain section 320 width it is one more medium-sized than the width of supporting part 100, the
Two contain sections 330 width it is smaller than the half of 100 width of supporting part, can make, positioned at two of 100 the same side of supporting part the
When two containing portions 300 are bonded to each other, contain the phase that section 320 is bonded to each other two the second containing portions 300 of realization by two first
Mutually fitting, and the gap contained between section 330 by two second forms through slot 310.
In conclusion the battery core film 10 provided in the present embodiment can pass through the first through hole 110 and gasket 12 of supporting part 100
The second through-hole 510 between form the first preformed hole 111, and be connected by the first preformed hole 111 with installation space.Its
In, it can be by opening up first through hole 110 on supporting part 100, and open up the second through-hole 510 on gasket 12 and then realize drop
The purpose of the weight of low battery core film 10, thereby reduces the weight of the battery using the battery core film 10.In addition, reserved by first
The setting in hole 111 can improve the effect that electrolyte immerses installation space and infiltrates naked battery core by the first preformed hole 111, in addition,
Naked battery core can be dropped off into discharge by the first preformed hole 111, protect the safety of battery.
Second embodiment
A kind of battery (not shown) is provided in the present embodiment, which employs the battery core films 10 provided in first embodiment.
The battery core film 10 can reduce cost of manufacture, mitigate battery weight, improve electrolyte to the effect of impregnation of naked battery core, and can be to naked
Battery core provides effectively protective effect.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery core film, for wrapping up naked battery core, which is characterized in that the battery core film includes coating film and gasket；
The coating film includes supporting part, the first containing portion and the second containing portion, and first containing portion is connected to the support
Portion and the two sides for being located at the supporting part, second containing portion, which is connected to first containing portion and is located at described first, contains
The two sides in portion；
First containing portion can supporting part fold relatively, second containing portion can turn in first containing portion relatively
Folding, and the supporting part, first containing portion and second containing portion is made to surround installation space jointly, the installation is empty
Between for installing the naked battery core；
Multiple first through hole, multiple first through hole interval settings are offered on the supporting part；
The gasket is attached at the supporting part, and multiple spaced second through-holes are offered on the gasket, each
Second through-hole is all set between two adjacent first through hole, and is connected to simultaneously shape with two first through hole
At the first preformed hole for being connected to the installation space.
2. battery core film according to claim 1, which is characterized in that the edge of the supporting part has the first opening, institute
The edge for stating gasket has the second opening, first opening and second opening in communication and forms the second preformed hole,
Second preformed hole is connected to the installation space.
3. battery core film according to claim 2, which is characterized in that the opening area of second opening is greater than described first
The opening area of opening.
4. battery core film according to claim 2, which is characterized in that the supporting part and the gasket are square, described
Chamfering is offered on four angles of supporting part to form first opening；Chamfering is offered on four angles of the gasket
To form second opening.
5. battery core film according to claim 1, which is characterized in that offer at least two first positioning on the supporting part
Hole, at least two second location holes are offered on the gasket, and the first positioning hole and the second location hole correspond
And it is interconnected.
6. battery core film according to claim 1, which is characterized in that first containing portion and second containing portion connect
Place offers folding slot, and the folding slot position is in side of first containing portion far from the supporting part.
7. battery core film according to claim 1, which is characterized in that second containing portion is far from first containing portion
Side offers through slot, and the through slot is located at second containing portion close to the side of the supporting part, and the through slot with
The installation space connection.
8. battery core film according to claim 7, which is characterized in that second containing portion includes the first containing section and second
Contain section, described first contains section and the second containing section integrated molding, and the first containing section is set far from the supporting part
It sets, the second containing section is arranged close to the supporting part, and the described first width for containing section is greater than described second and contains
The width of section is to form the through slot.
9. battery core film according to claim 8, which is characterized in that first containing portion is two, and described second contains
Portion is four；
Two first containing portions are located at the opposite two sides in the supporting part；In each first containing portion adjacent to
The side of the supporting part is both provided with second containing portion；
Described first contain section width it is one more medium-sized than the supporting part width, held described in the width ratio of the second containing section
The half of support portion width is small.
10. a kind of battery, which is characterized in that including the battery core film as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516281.0A CN109411644B (en) | 2018-12-11 | 2018-12-11 | Cell membrane and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516281.0A CN109411644B (en) | 2018-12-11 | 2018-12-11 | Cell membrane and battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109411644A true CN109411644A (en) | 2019-03-01 |
| CN109411644B CN109411644B (en) | 2024-06-11 |
Family
ID=65458693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811516281.0A Active CN109411644B (en) | 2018-12-11 | 2018-12-11 | Cell membrane and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109411644B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435715A (en) * | 2019-12-30 | 2020-07-21 | 蜂巢能源科技有限公司 | Bottom supporting plate for battery core, battery pack with bottom supporting plate and vehicle |
Citations (16)
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