CN110265704A - A kind of lithium ion battery - Google Patents
A kind of lithium ion battery Download PDFInfo
- Publication number
- CN110265704A CN110265704A CN201910564476.0A CN201910564476A CN110265704A CN 110265704 A CN110265704 A CN 110265704A CN 201910564476 A CN201910564476 A CN 201910564476A CN 110265704 A CN110265704 A CN 110265704A
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- core ontology
- terminal adhesive
- core
- anode ear
- 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.)
- Withdrawn
Links
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
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to lithium ion batteries, it include: battery roll core, battery roll core includes flat core ontology, negative electrode lug and anode ear, core ontology has opposite tab sealing end and bottom end, cathode ear portions are set in core ontology, part is placed on outside tab sealing end, and anode ear is set on the side of core ontology；Side terminal adhesive tape, side terminal adhesive tape is wrapped around the side of core ontology, and forms notch in the junction that core ontology is located at anode ear and core ontology；Bottom terminal adhesive tape, bottom terminal adhesive tape coat the bottom end of core ontology, and covering part anode ear；And top terminal adhesive tape, top terminal adhesive tape at least partly coats the tab sealing end of core ontology, and top terminal adhesive tape covering at least partly notch, so that part top terminal adhesive tape is between anode ear and core ontology.The lithium ion battery, anode ear swing the diaphragm for scratching core outer body.
Description
Technical field
The present invention relates to battery technology field, especially a kind of lithium ion battery.
Background technique
Lithium ion battery is a kind of secondary cell, i.e. rechargeable battery, it relies primarily on lithium ion between a positive electrode and a negative electrode
Movement carrys out work.In charge and discharge process, lithium ion insertion and deintercalation back and forth between two electrodes.When charging, lithium ion from
Positive deintercalation is embedded in cathode by electrolyte, and cathode is in lithium-rich state.When electric discharge, the motion process of lithium ion then and charging
On the contrary.Battery is generally used as anode using the material for containing elemental lithium, and cathode then uses the material containing carbon.Lithium ion
Battery is the representative of modern high performance battery, is widely used in various digital electrics, in lighting apparatus product.
Lithium ion battery is generally divided into lithium ion battery with hard shell and flexible packing lithium ion battery.Lithium ion battery with hard shell uses
Hard shell packs battery core, and flexible packing lithium ion battery then uses flexible material, such as aluminum plastic film to pack battery core.
However, existing lithium ion battery with hard shell is when packaged, i.e., when core is packed into hard shell, the diaphragm of core outer surface
Easily scratched by hard shell.If lithium ion battery with hard shell is made in damaged core, core easily causes interior at the position scratched
Portion's short circuit will lead to the security risks such as lithium ion battery with hard shell self discharge, or even explosion, the greatly person peace of threat user
Entirely, these drawbacks may also just occur after long-term use, lead to not on-site test and find the problem.
In addition, existing lithium ion battery with hard shell is when packaged, the swing of tab similarly easily causes core outer surface
Diaphragm scratched by tab.
Summary of the invention
The purpose of the present invention is to provide a kind of lithium ion batteries, to solve above-mentioned technical problem.
The technical solution of the application are as follows: a kind of battery, comprising: battery roll core, the battery roll core include flat
Core ontology, negative electrode lug and anode ear, the core ontology have opposite tab sealing end and bottom end, the cathode
Ear portions are set in the core ontology, are partially placed on outside the tab sealing end, and the anode ear is set to described
On the side of core ontology；Side terminal adhesive tape, the side terminal adhesive tape are wrapped around the side of the core ontology, and
The core ontology is located at the anode ear and the junction of the core ontology forms notch；Bottom terminal adhesive tape, the bottom
Portion's terminal adhesive tape coats the bottom end of the core ontology, and anode ear described in covering part；And top terminal adhesive tape, institute
The tab sealing end that top terminal adhesive tape at least partly coats the core ontology is stated, and the top terminal adhesive tape covers
At least partly described notch is covered, so that the part top terminal adhesive tape is between the anode ear and the core ontology.
Preferably, the anode ear includes head, weld part and tail portion, and the weld part is welded in the core ontology
Side on.
Preferably, the bottom terminal adhesive tape covers the tail portion of the anode ear.
Preferably, the part top terminal adhesive tape be located at the anode ear the head and the core ontology it
Between.
Preferably, the bottom terminal adhesive tape forms chamfered corners in the side edge bending of the core ontology.
It preferably, further include spacer ring, the spacer ring is set on the end face of the tab sealing end, is opened up on the spacer ring
There are through-hole and liquid injection hole, the negative electrode lug wears the through-hole.
Preferably, further include shell, the battery roll core, the side terminal adhesive tape, the bottom terminal adhesive tape and
The top terminal adhesive tape is placed in the shell.
Preferably, the shell is arranged a cover board, and the negative electrode lug is placed on part outside the tab sealing end, institute
The negative pole end of the cover board, positive terminal is respectively welded in the head for stating anode ear.
Preferably, there are two the identical mounting bar of extending direction, two installations for setting on the inner sidewall of the shell
Item surrounds mounting groove, and the anode ear is placed in the mounting groove.
Battery provided by the invention coats the side of core ontology by setting side terminal adhesive tape and forms notch, to prevent
Only the diaphragm of core outer body is scratched when being packed into shell by shell, at the same time it can also guarantee to make part top stop adhesive
Band is between anode ear and core ontology, and to prevent anode ear swing from scratching the diaphragm of core outer body, and bottom is whole
Only adhesive tape covering part anode ear, to prevent anode ear swing from scratching the diaphragm of core outer body, this way it is possible to avoid due to
Core body membrane damaged part and cause internal short-circuit of battery, self discharge, or even the problem of the security risks such as explosion, and then make
The security performance for obtaining battery is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another state of battery shown in FIG. 1；
Fig. 3 is the decomposition texture schematic diagram of battery shown in FIG. 1；
Fig. 4 is the another of battery roll core shown in Fig. 3, side terminal adhesive tape, bottom terminal adhesive tape and top terminal adhesive tape
The structural schematic diagram at one visual angle；
Fig. 5 is the structural schematic diagram of another embodiment of bottom terminal adhesive tape of the invention；
Fig. 6 is the structural schematic diagram of battery roll core shown in Fig. 3 and spacer ring.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Please refer to Fig. 1 and Fig. 3, battery 10 include battery roll core 100, side terminal adhesive tape 200, bottom terminal adhesive tape 300,
Top terminal adhesive tape 400, spacer ring 500 and shell 600.Side terminal adhesive tape 200, bottom terminal adhesive tape 300 and top are whole
Only adhesive tape 400 is set on battery roll core 100.Battery roll core 100, side terminal adhesive tape 200, bottom terminal adhesive tape 300, top
Terminal adhesive tape 400 and spacer ring 500 are placed in shell 600.
Referring to Fig. 3, battery roll core 100 includes flat core ontology 110, is set to bearing on core ontology 110
Tab 120 and anode ear 130.For example, negative electrode lug 120 is nickel tab, anode ear 130 is aluminium pole ears.
Core ontology 110 has opposite tab sealing end 111 and bottom end 112.For example, core ontology 110 is being wound
Flat core ontology 110 and two arc-shaped side edges are formed after technique.
120 part of negative electrode lug is set in core ontology 110, and part is placed on outside tab sealing end 111.Cathode
120 part of ear is set in core ontology 110, can be more advantageous to negative electrode lug 120 in welding in subsequent welding procedure
Positioning, while be also beneficial to anode ear 130 welding when positioning.For example, insulating film is arranged in 120 outer surface part of negative electrode lug
121, it can also prevent negative electrode lug 120 from scratching the diaphragm (not shown) in core ontology 110 when swinging, and then avoid core sheet
There is internal short-circuit phenomenon in breakage in body 110, and security performance is higher.For another example, insulating film 121 with a thickness of 15 μm~20 μm,
At this point, can both prevent negative electrode lug 120 from scratching the diaphragm in core ontology 110 when swinging, at the same time it can also avoid because of insulating film
The problem of blocked up battery capacity for making battery 10 of 121 thickness is reduced.
Anode ear 130 is set on the side of core ontology 110.For example, referring to Fig. 3, anode ear 130 includes successively connecting
Head 131, weld part 133 and the tail portion 134 connect, for example, referring to Fig. 3, anode ear 130 includes sequentially connected head
131, bending part 132, weld part 133 and tail portion 134.Head 131 is placed on outside tab sealing end 111, and and negative electrode lug
120 is parallel.Weld part 133 is welded on the side of core ontology 110 by ultra-sonic welding techniques.
Referring to Fig. 2, side terminal adhesive tape 200 coats the side of core ontology 110, and it is located at just in core ontology 110
The junction of tab 130 and core ontology 110 forms notch 113.That is, notch 113 is that 110 upper side of core ontology is whole
The only region of the uncoated covering of adhesive tape 200, and anode ear 130 is set in above-mentioned zone.
During being packed into shell 600 in order to avoid battery roll core 100, there is core ontology 110 and scratched by shell 600
The problem of, for example, as shown in Figures 2 and 4, the width of side terminal adhesive tape 200 is equal to the length of core ontology 110, in this way, can
So that two sides of the cladding core ontology 110 completely of side terminal adhesive tape 200, are packed into shell to avoid core ontology 110
During in 600, there is the problem of core ontology 110 is scratched by shell 600, and then avoid core ontology 110 in breakage
There is internal short-circuit phenomenon in place, and security performance is higher.
In order to avoid core ontology 110 expose notch 113 core ontology 110 be packed into shell 600 in during quilt
It scratches, for example, as shown in figure 4, the length of side terminal adhesive tape 200, which is equal to the perimeter that core ontology 110 1 encloses, subtracts anode ear
The length of 130 exposed areas, this way it is possible to avoid the notch 113 that core ontology 110 exposes is packed into shell in core ontology 110
Scratched during in 600, and then avoid core ontology 110 and internal short-circuit phenomenon occur in breakage, security performance compared with
It is high.
In order to improve the whole energy density of battery 10, for example, core ontology 110 with a thickness of 15 μm~20 μm, at this point,
Both it can prevent the diaphragm of 110 outer surface of core ontology from being scratched.At the same time it can also improve the whole energy density of battery 10,
That is the battery capacity of battery 10 is larger.
For the ease of doing over again for defective products, for example, adhered layer, example is arranged in side terminal adhesive tape 200 on core ontology 110
Such as, peel strength is 45N/100m~50N/100m, at this point, adhesive force of the side terminal adhesive tape 200 on core ontology 110
It is moderate, can to avoid in manufacturing process side terminal adhesive tape 200 be detached from from core ontology 110, meanwhile, do over again in defective products
In the process, it is also easier to remove side terminal adhesive tape 200 from core ontology 110, and glue will not be left on core ontology 110
Trace.
For the ease of obtaining the production information of battery 10, for example, being printed in 200 setting flag layer of side terminal adhesive tape
The label such as several digital numbers, in order to information such as production board and the assembly lines of distinguishing battery 10, in order to obtain battery 10
Production information, the information of the whole producing line of retrospect battery 10.
Please refer to Fig. 3 and Fig. 4, bottom terminal adhesive tape 300 coats the bottom end 112 of core ontology 110, and covering part
Divide anode ear 130, to enhance the safety of battery 10.
In order to further increase the security performance of battery 10, for example, as shown in figure 4, bottom terminal adhesive tape 300 covers anode
The tail portion 134 of ear 130, in this way, can prevent the tail portion 134 of anode ear 130 from swinging on core ontology 110, so as to avoid
Core ontology 110 is scratched by the tail portion 134 of anode ear 130, and then avoids core ontology 110 and internal short-circuit occur in breakage
Phenomenon, security performance are higher.
In order to improve the battery capacity of battery 10, for example, being terminated please refer to Fig. 3 and Fig. 5 for bottom of the invention
The structural schematic diagram of another embodiment of adhesive tape 300a, side edge bending shape of the bottom terminal adhesive tape 300a in core ontology 110a
At chamfered corners 310a, i.e. chamfered corners 310a coats the side of core ontology 110a, in this way, can optimize and reduce bottom stop adhesive
The band occupied space in shell 600 300a, and then improve the battery capacity of battery 10.
In order to improve the energy density of battery 10, for example, bottom terminal adhesive tape 300 with a thickness of 25 μm~30 μm so that
The thickness of bottom terminal adhesive tape 300 is moderate, so as to greatly promote the energy density of battery.
In order to which bottom terminal adhesive tape 300 is preferably packed into shell 600, for example, the surface of bottom terminal adhesive tape 300 is arranged
Antistatic backing (not shown) so that bottom terminal adhesive tape 300 be packed into shell 600 when, bottom terminal adhesive tape 300 by
Friction is small, in order to be packed into shell 600.
Referring to Fig. 2, top terminal adhesive tape 400 at least partly coats the tab sealing end 111 of core ontology 110, top
At least covering part notch 113 of terminal adhesive tape 400, so that part top terminal adhesive tape 400 is located at anode ear 130 and core ontology
Between 110.
Above-mentioned side terminal adhesive tape 200 coats the side of core ontology 110, and is located at anode ear 130 in core ontology 110
Notch 113 is formed with the junction of core ontology 110, on the one hand its role is to may insure two sides of core ontology 110
Side is covered by side terminal adhesive tape 200.On the other hand, it may also be ensured that part top terminal adhesive tape 400 can be made to be located at anode
Between ear 130 and core ontology 110, that is to say, that setting notch 113 can prevent side terminal adhesive tape 200 from covering anode ear
130, so as to make part top terminal adhesive tape 400 between anode ear 130 and core ontology 110.In this way, can prevent just
Tab 130 swings the diaphragm for scratching 110 outside of core ontology, to improve the security performance of battery 10.Simultaneously as top terminates
The limitation of adhesive tape 400, but also anode ear 130 is able to maintain more smooth state during being packed into shell 600.
For example, part top terminal adhesive tape 400 is located at head 131 and the core of anode ear 130 please refer to Fig. 2
Between ontology 110, and anode ear 130 is made to form bending part 132 in the junction of weld part 133 and top terminal adhesive tape 400
In order to improve the energy density of battery 10, for example, the length of top terminal adhesive tape 400 is the width of core ontology 110
Spend edge to negative electrode lug 120 distance, for another example, top terminal adhesive tape 400 with a thickness of 15 μm~20 μm so that top is whole
Only the thickness of adhesive tape 400 is moderate, can greatly promote the energy density of battery 10.
Please refer to Fig. 3, spacer ring 500 is set on the end face of tab sealing end 111 of core ontology 110, and position
Between core ontology 110 and top terminal adhesive tape 400.Referring to Fig. 6, offering through-hole 510 and liquid injection hole on spacer ring 500
520。
Negative electrode lug 120 wears through-hole 510, so that 120 part of negative electrode lug is placed on outside tab sealing end 111.For example, logical
Hole 510 is bar shaped long hole, in this way, suitability of the through-hole 510 more with negative electrode lug 120 can be improved, in addition, the inside of through-hole 510
Wall can also reduce swing degree of the negative electrode lug 120 during being packed into shell 600, so as to keep more smooth shape
State so that battery the service life is longer long.
For example, thickness of the spacer ring 500 at the position of through-hole 510 is greater than thickness of the spacer ring 500 at the position of liquid injection hole 520
Degree, can be further reduced swing degree of the negative electrode lug 120 during being packed into shell 600 in this way.For another example, spacer ring 500 exists
Extension (not shown) at the position of through-hole 510, the extension is arranged around the negative electrode lug, in this way, can be further
Reduce swing degree of the negative electrode lug 120 during being packed into shell 600.For another example, the extension is close to the negative electrode lug
Setting is widened at place.
In order to be fixed on spacer ring 500 at the tab sealing end 111 of core ontology 110, to prevent spacer ring 500 from sending out
Raw displacement drives negative electrode lug 120 to swing.For example, several fin (figures are arranged far from the side of tab sealing end 111 in spacer ring 500
Do not show), to support spacer ring 500, so that it is fixed on spacer ring 500 at the tab sealing end 111 of core ontology 110, with
Preventing spacer ring 500 to be subjected to displacement drives negative electrode lug 120 to swing.
Spacer ring 500 offers liquid injection hole 520, in this way, the operation for injecting electrolyte can be made simpler easy to operate.
Referring to Fig. 3,600 set battery core 100 of shell, side terminal adhesive tape 200, bottom terminal adhesive tape 300, top
Terminal adhesive tape 400 and spacer ring 500.
For example, a cover board 610 is arranged in shell 600, and cover board 610 is close to core ontology 110 please refer to Fig. 1 and Fig. 3
Cathode welding groove (not shown) and positive welding groove (not shown) is arranged in side, and the negative electrode lug is inserted into and is welded in described negative
Negative pole end 611 is formed in the welding groove of pole, the anode ear, which is inserted into and is welded in positive welding groove, forms positive terminal 612.
For preferably fixed anode ear 130, to reduce swing journey of the anode ear 130 during being packed into shell 600
Degree.For example, there are two the identical mounting bar (not shown) of extending direction, two installations for setting on the inner sidewall of the shell
Item surrounds mounting groove, and the anode ear is placed in the mounting groove.In this way, anode ear 130 can preferably be fixed, to reduce
Swing degree of the anode ear 130 during being packed into shell 600.
Above-mentioned battery 10 coats the side of core ontology 110 by setting side terminal adhesive tape 200 and forms notch 113,
To prevent the diaphragm in 110 outside of core ontology from being scratched when being packed into shell 600 by shell 600, at the same time it can also guarantee to make portion
Divide top terminal adhesive tape 400 between anode ear 130 and core ontology 110, to prevent the swing of anode ear 130 from scratching core sheet
The diaphragm in 110 outside of body, and 300 covering part anode ear 130 of bottom terminal adhesive tape, to prevent the swing of anode ear 130 from scratching
The diaphragm in 110 outside of core ontology, this way it is possible to avoid being caused in battery 10 due to 110 diaphragm damaged part of core ontology
The problem of security risks such as portion's short circuit, self discharge, or even explosion, so that the security performance of battery 10 is higher.
The preparation of battery in the application can refer to following methods production:
S110: by the positive plate for being welded with aluminium pole ears, the negative electrode tab for being welded with nickel tab, diaphragm, pass through winding apparatus, warp
After winding, core ontology is obtained.
S120: side terminal adhesive tape is wound to and is coated core ontology, and is located at shape at aluminium pole ears position in core ontology
At a notch, convenient for the stickup of top terminal adhesive tape.
S130: the unwelded region of aluminium pole ears is pushed aside to core outer body, posts top terminal adhesive tape, then to prevent
Aluminium pole ears or so friction, cuts the diaphragm of core body edges.
S140: when pasting top terminal adhesive tape, while the spacer ring at the tab sealing end of fixed core ontology, to protect volume
Insulation between core body upper part section and cover board lower surface.
S150: when pasting the bottom terminal adhesive tape of core ontology bottom end, the paste weld one side that has aluminium pole ears first, bottom
Terminal adhesive tape need to cover aluminium pole ears certain length, then bottom terminal adhesive tape is pasted to the another side of core ontology, simultaneously will
The exposed bottom portion terminal adhesive tape of core ontology two sides is overlapped respectively to be adjacent to.
S160: the core ontology that will be wrapped is tucked into the shell of respective model by scheduled automatic equipment, package
Good core ontology can prevent from scratching phenomenon into shell because all posting terminal adhesive tape in outer surface.
S170: aluminium, nickel tab are respectively aligned to cover board positive and negative electrode welding groove, and weld aluminium pole by ultra-sonic welding techniques
Ear, resistance welding techniques weld nickel tab.
S180: clamping cover board completes the welding in gap between cover board and shell, obtains battery by laser welding technology.
It should be noted that the other embodiment of the present invention further includes, the technical characteristic in the various embodiments described above is mutually tied
The battery that is formed by, can implement is closed, in this manner it is achieved that security performance is higher, injection electrolyte is more convenient, battery capacity
Technical effect higher, tab is more smooth.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, and the present invention can have respectively
Kind change and variation.It should all be included in the protection scope of the present invention all within the spirits and principles of the present invention.
Claims (9)
1. a kind of battery characterized by comprising
Battery roll core, the battery roll core include flat core ontology, negative electrode lug and anode ear, the core ontology tool
There are opposite tab sealing end and bottom end, the cathode ear portions are set in the core ontology, are partially placed on described
Outside tab sealing end, the anode ear is set on the side of the core ontology；
Side terminal adhesive tape, the side terminal adhesive tape are wrapped around the side of the core ontology, and in the core ontology
Notch is formed positioned at the junction of the anode ear and the core ontology；
Bottom terminal adhesive tape, the bottom terminal adhesive tape coat the bottom end of the core ontology, and described in covering part
Anode ear；And
Top terminal adhesive tape, the top terminal adhesive tape at least partly coat the tab sealing end of the core ontology, and
And the top terminal adhesive tape covers at least partly described notch, so that the part top terminal adhesive tape is located at the anode ear
And between the core ontology.
2. battery according to claim 1, which is characterized in that the anode ear includes head, weld part and tail portion, institute
Weld part is stated to be welded on the side of the core ontology.
3. battery according to claim 2, which is characterized in that the bottom terminal adhesive tape covers the described of the anode ear
Tail portion.
4. battery according to claim 2, which is characterized in that the part top terminal adhesive tape is located at the anode ear
Between the head and the core ontology.
5. battery according to claim 1, which is characterized in that the bottom terminal adhesive tape is in the side of the core ontology
It is bent to form chamfered corners.
6. battery according to claim 1, which is characterized in that further include spacer ring, the spacer ring is set to the tab envelope
On the end face at mouth end, through-hole and liquid injection hole are offered on the spacer ring, the negative electrode lug wears the through-hole.
7. battery according to any one of claims 1 to 6, which is characterized in that it further include shell, it is the battery roll core, described
Side terminal adhesive tape, the bottom terminal adhesive tape and the top terminal adhesive tape are placed in the shell.
8. battery according to claim 7, which is characterized in that a cover board is arranged in the shell, and the negative electrode lug is placed on
The negative pole end of the cover board, positive terminal is respectively welded in the head of part, the anode ear outside the tab sealing end.
9. battery according to claim 8, which is characterized in that there are two extending directions for setting on the inner sidewall of the shell
Identical mounting bar, two mounting bars surround mounting groove, and the anode ear is placed in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564476.0A CN110265704A (en) | 2019-06-27 | 2019-06-27 | A kind of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564476.0A CN110265704A (en) | 2019-06-27 | 2019-06-27 | A kind of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110265704A true CN110265704A (en) | 2019-09-20 |
Family
ID=67922116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910564476.0A Withdrawn CN110265704A (en) | 2019-06-27 | 2019-06-27 | A kind of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110265704A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871765A (en) * | 2021-09-26 | 2021-12-31 | 贵阳比耐新能源科技有限公司 | Cylindrical battery and manufacturing method thereof |
-
2019
- 2019-06-27 CN CN201910564476.0A patent/CN110265704A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871765A (en) * | 2021-09-26 | 2021-12-31 | 贵阳比耐新能源科技有限公司 | Cylindrical battery and manufacturing method thereof |
| CN113871765B (en) * | 2021-09-26 | 2024-02-23 | 贵阳比耐新能源科技有限公司 | Cylindrical battery and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102210053B (en) | Layered secondary battery | |
| CN104332647B (en) | Chargeable lithium ion button cell | |
| US7498099B2 (en) | Film covered battery | |
| CN102064334B (en) | Secondary battery | |
| CN112002868B (en) | Electrochemical device and electronic device | |
| CN106898823B (en) | A kind of preparation method of water storage type flexible packing lithium ion electric core and battery | |
| BRPI0610356A2 (en) | alkaline cell in tablet form | |
| JP2013178997A (en) | Secondary battery | |
| CN209401784U (en) | Secondary cell | |
| JP2019067653A (en) | Nonaqueous electrolyte secondary battery | |
| JP2012099264A (en) | Secondary battery and method of manufacturing the same | |
| JP2002203534A (en) | Thin-type secondary battery and battery pack | |
| CN208460894U (en) | A kind of single battery core and flexible battery group | |
| CN209912973U (en) | Soft package lithium ion battery | |
| CN110265704A (en) | A kind of lithium ion battery | |
| JP2006500732A (en) | Alkaline battery with flat housing | |
| CN210956891U (en) | Lithium ion battery with elliptical structure | |
| KR100731436B1 (en) | Pouch type Lithium Secondary Battery | |
| CN103493248B (en) | Secondary cell | |
| CN105280959A (en) | Battery | |
| CN215644579U (en) | Battery with a battery cell | |
| CN215070167U (en) | Novel button cell | |
| CN109041584A (en) | Lithium metal battery | |
| CN207705244U (en) | The battery of the external sheath of coiled lithium ion battery | |
| CN113871558A (en) | Closed metal negative electrode, winding type battery and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190920 |
|
| WW01 | Invention patent application withdrawn after publication |