CN108258326A - A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof - Google Patents
A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof Download PDFInfo
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- CN108258326A CN108258326A CN201711407214.0A CN201711407214A CN108258326A CN 108258326 A CN108258326 A CN 108258326A CN 201711407214 A CN201711407214 A CN 201711407214A CN 108258326 A CN108258326 A CN 108258326A
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- Prior art keywords
- battery
- coiling
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- region
- material piece
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- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention belongs to technical field of lithium batteries, and in particular to a kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof.The Soft Roll coiling battery of improvement chemical conversion aerogenesis includes：Packaging shell is provided with core setting area in one end of packaging shell, and gasbag is provided in the other end of packaging shell, and core setting area is connected with gasbag；And the battery coiling in core setting area is arranged on, battery coiling is provided with the anode ear and negative electrode lug for stretching out packaging shell.Gasbag has definite shape, can store gas, that is, form bag structure.The gasbag can alleviate certain internal pressure, avoid the problem that inside battery gas production is excessive and closedtop side is caused to be softened and electrolyte spilling occur, can be to avoid the generation of safety accident and cumbersome clip seal operation caused by chemical conversion aerogenesis.
Description
Technical field
The invention belongs to technical field of lithium batteries, and in particular to a kind of Soft Roll coiling battery and its system for improving chemical conversion aerogenesis
Make method.
Background technology
Flexible packing lithium ion battery is placed on using aluminum plastic film as shell, positive/negative plate and membrane winding in industry at present
In shell, a certain amount of electrolyte is then injected into, it, need to be in anhydrous and oxygen-free in whole process by battery " activation " by formation process
Environment in complete.If absorbing water occur in pole piece or electrolyte in the production process or air is mixed into situation, the shell in chemical conversion
Bulging easily occurs, electrolyte overflows, and be easy to cause following result：1) electrolyte overflows pollution battery core, influences appearance, while electricity
Liquid is on the low side causes hydraulic performance decline for solution.2) since existing producer most of in the industry is melted into using hot pressing, that is, when being melted into there are pressure with
Temperature, it is inflammable since electrolyte is organic solution, safety accident easily occurs.The method generally used in industry at present is will to produce
The shell of the serious battery of gas cuts off exclusion gas, and then an another sealing, this process are cumbersome.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of Soft Roll coiling batteries and its system for improving chemical conversion aerogenesis
Make method, to avoid the generation of safety accident and cumbersome clip seal operation caused by chemical conversion aerogenesis.
Technical solution provided by the present invention is as follows：
A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis, including：
Packaging shell is provided with core setting area in one end of the packaging shell, in the another of the packaging shell
Gasbag is provided in one end, the core setting area is connected with the gasbag；
And the battery coiling in the core setting area is arranged on, the battery coiling, which is provided with, stretches out the packet
Fill the anode ear and negative electrode lug of housing.
In the above-mentioned technical solutions, gasbag has definite shape, can store gas, that is, form bag structure.The gas
Pouch can alleviate certain internal pressure, avoid inside battery aerogenesis is excessive from closedtop side being caused to be softened electrolyte spilling occur.
Further, the shell wall difference outwardly convex of the opposite both sides in one end of the packaging shell, and in each protrusion
It is respectively formed first and heaves region and second and heave region, described first heaves region, described second heaves region and be clipped in
Described first heaves region and second space heaved in the packaging shell between region collectively constitutes core setting area.
Further, the shell wall outwardly convex of the other end unilateral side of the packaging shell, and third drum is formed in protrusion
Region is played, the third heaves region and collectively constitutes gasbag with the space other than core setting area in the packaging shell.
Further, the shell wall difference outwardly convex of the opposite both sides of the other end of the packaging shell, and in each protrusion
It is inside respectively formed third and heaves region and the 4th and heave region, the third heaves region, the described 4th heaves region and institute
It states the space in packaging shell other than core setting area and collectively constitutes gasbag.
Based on above-mentioned technical proposal, the unilateral gasbag for heaving region formation can be formed with or region is heaved by bilateral formed
Gasbag.
Specifically, the battery coiling is by positive plate, negative plate and is clipped between the positive plate and the negative plate
Diaphragm is formed, and the positive plate is connected with anode ear, and the negative plate is connected with negative electrode lug, the anode ear and the negative electrode lug
The packaging shell is penetrated to reach outside the packaging shell；The anode ear and the negative electrode lug are set to packaging shell
Homonymy.
The present invention also provides a kind of production method for the Soft Roll coiling battery for improving chemical conversion aerogenesis, including following step
Suddenly：Housing is made by flexible package sheathing material piece, core setting area is set in one end of the housing, in the housing
The gasbag that setting is connected with the core setting area in the other end sets battery coiling in the core setting area,
Encapsulating housing, and the anode ear of battery coiling and negative electrode lug are passed through into the housing while encapsulating housing, obtain improvementization
Into the Soft Roll coiling battery of aerogenesis.
Through the above technical solutions, it can make to obtain the Soft Roll coiling battery of the improvement chemical conversion aerogenesis with gasbag.
Gasbag in battery has definite shape, can store gas, that is, form bag structure.The gasbag can be alleviated certain interior
Portion's pressure avoids inside battery aerogenesis is excessive from closedtop side being caused to be softened electrolyte spilling occur.
Specifically, the flexible package sheathing material piece includes polypropylene layer, Al layers and nylon layer successively from inside to outside.
Specifically, production method includes the following steps：
1) rectangular flexible package sheathing material piece is obtained, along the length direction setting pair of the flexible package sheathing material piece
Broken line；
2) it is squeezed out in one end of the flexible package sheathing material piece and heaves direction upward the first bulge and the second bulge,
First bulge and second bulge respectively symmetrically positioned at the both sides of the broken line；
3) it is squeezed out in the other end of the flexible package sheathing material piece and is used to form gasbag bulge；
4) along flexible package sheathing material piece described in the downward doubling of the broken line, and battery coiling is set to described first
In the core setting area formed between bulge and second bulge, housing is encapsulated out, is formed in the housing by described
The gasbag that region in gasbag bulge and housing other than core setting area is formed, meanwhile, in the positive plate of battery coiling
Anode ear is set, negative electrode lug is set in the negative plate of battery coiling, and the anode ear and the negative electrode lug is passed through described soft
Package casing material piece obtains improving the Soft Roll coiling battery of chemical conversion aerogenesis.
Specifically, production method following steps：
1) rectangular flexible package sheathing material piece is obtained, along the length direction setting pair of the flexible package sheathing material piece
Broken line；
2) bulge for being used to form core setting area is squeezed out in one end of the flexible package sheathing material piece；
3) it is squeezed out in the other end of the flexible package sheathing material piece and heaves the upward third bulge in direction；
4) along flexible package sheathing material piece described in the downward doubling of the broken line, and battery coiling is set to the core
Setting area encapsulates out housing, other than being formed in the housing by core setting area in the third bulge and housing
The gasbag that region is formed, meanwhile, anode ear is set in the positive plate of battery coiling, cathode is set in the negative plate of battery coiling
Ear, and the anode ear and the negative electrode lug are passed through into the flexible package sheathing material piece, obtain improving the Soft Roll of chemical conversion aerogenesis
Coiling battery.
Specifically, production method following steps：
1) rectangular flexible package sheathing material piece is obtained, along the length direction setting pair of the flexible package sheathing material piece
Broken line；
2) bulge for being used to form core setting area is squeezed out in one end of the flexible package sheathing material piece；
3) it is squeezed out in the other end of the flexible package sheathing material piece and heaves the upward third bulge in direction and the 4th drum
Packet, the third bulge and the 4th bulge respectively symmetrically positioned at the both sides of the broken line；
4) along flexible package sheathing material piece described in the downward doubling of the broken line, and battery coiling is set to the core
Setting area encapsulates out housing, in the soft-shell formed by the third bulge, the 4th bulge and with housing curls inward
The gasbag that region other than core setting area is formed, meanwhile, anode ear is set in the positive plate of battery coiling, in battery coiling
Negative plate setting negative electrode lug, and the anode ear and the negative electrode lug are passed through into the flexible package sheathing material piece, are changed
The Soft Roll coiling battery of kind chemical conversion aerogenesis.
Further, the third bulge and the 4th bulge are symmetrical with the broken line.
Based on above-mentioned technical proposal, the unilateral gasbag for heaving region formation can be formed with or region is heaved by bilateral formed
Gasbag.
Further, making includes the following steps：In step 4), by the anode ear of battery coiling while encapsulating housing
The housing is passed through, and the homonymy being set to outside the housing is specific with negative electrode lug.
Specifically, the flexible package sheathing material piece includes polypropylene layer, Al layers and nylon layer successively from inside to outside.
Generally, the gasbag in the Soft Roll coiling battery provided by the present invention for improving chemical conversion aerogenesis has a setting
Shape can store gas, that is, form bag structure.The gasbag can alleviate certain internal pressure, avoid inside battery aerogenesis
It is excessive closedtop side to be caused to be softened electrolyte spilling occur.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the Soft Roll coiling battery provided by the present invention for improving chemical conversion aerogenesis.
Fig. 2 is the side structure schematic view of the Soft Roll coiling battery provided by the present invention for improving chemical conversion aerogenesis.
In attached drawing 1,2, the structure list representated by each label is as follows：
1st, packaging shell, 2, anode ear, 3, negative electrode lug, 4, first heaves region, and 5, second heaves region, and 6, third heaves
Region, the 7, the 4th heaves region, and 8, battery coiling, 9, side sealing, 10, closedtop side, 11, gasbag.
Specific embodiment
The principles and features of the present invention are described below, and illustrated embodiment is served only for explaining the present invention, is not intended to
Limit the scope of the present invention.
In a specific embodiment, as shown in Figure 1, the Soft Roll coiling battery for improving chemical conversion aerogenesis includes packaging shell
1 and battery coiling 8.Battery coiling 8 is made of positive plate, negative plate and the diaphragm that is clipped between positive plate and negative plate, anode
Piece is connected with anode ear 2, and negative plate is connected with negative electrode lug 3, and anode ear 2 and negative electrode lug 3 penetrate packaging shell 1 and reach packaging
Outside housing 1.
The shell wall difference outwardly convex of the opposite both sides in one end of packaging shell 1, and the first drum is formed in packaging shell 1
It plays region 4 and second and heaves region 5, first heaves region 4, second heaves region 5 and be clipped in first and heave region 4 and second
The space heaved in the packaging shell 1 between region 5 collectively constitutes core setting area.The other end of packaging shell 1 is opposite
The shell wall difference outwardly convex of both sides, and heave region 6 and the 4th in the interior formation third of packaging shell 1 and heave region 7, third drum
Play region 6, the 4th space heaved in region 7 and packaging shell 1 other than core setting area collectively constitutes gasbag.Core
Setting area is connected with gasbag.In one embodiment, first heave region 4, second heave region 5, third heaves region 6
Region 7, which is heaved, with the 4th is disposed as square.
The gasbag improved in the Soft Roll coiling battery of chemical conversion aerogenesis has definite shape, can store gas, that is, form gas
Bag structure.The gasbag can alleviate certain internal pressure, avoid inside battery aerogenesis is excessive closedtop side is caused to be softened out
Existing electrolyte overflows.
In a specific embodiment, the production method for improving the Soft Roll coiling battery of chemical conversion aerogenesis includes following step
Suddenly：
1) rectangular flexible package sheathing material piece is obtained, doubling is set along the length direction of flexible package sheathing material piece
Line；
2) it is squeezed out in the side of flexible package sheathing material piece and heaves direction upward the first bulge and the second bulge, first
Bulge and the second bulge are symmetrical with broken line；
3) it is squeezed out in the opposite side of flexible package sheathing material piece and heaves direction upward third bulge and the 4th bulge, the
Three bulges and the 4th bulge are located at the both sides of broken line respectively, and third bulge and the 4th bulge are symmetrical with broken line；
4) along the downward doubling flexible package sheathing material piece of broken line, and battery coiling 8 is packaged in the first bulge and second
Between bulge, while battery coiling 8 is encapsulated, anode ear is connected with from the positive plate of battery coiling 8, from battery coiling 8
Negative plate is connected with negative electrode lug, and anode ear and negative electrode lug are passed through flexible package sheathing material piece, setting to improvement chemical conversion aerogenesis
Soft Roll coiling battery outside homonymy, obtain improve chemical conversion aerogenesis Soft Roll coiling battery.
Side structure schematic views of the Fig. 2 for the prepared Soft Roll coiling battery for improving chemical conversion aerogenesis, this waiting of battery
Into.Side sealing 9, closedtop side 10 and the gasbag 11 formed during comprising anode ear 2, negative electrode lug 3, making.Lug one positive one is negative,
For turn-on battery inside with external, side sealing is generally the half of cell thickness and no less than 2mm, and closedtop hem width degree is generally
1.5~3mm, since narrower width is easily softened, electrolyte easily oozes out initiation safety accident on closedtop side, and newly-increased gasbag can store up
The gas generated during chemical conversion or extra electrolyte are deposited, avoids the above situation.
It makes and obtains the Soft Roll coiling battery of the improvement chemical conversion aerogenesis with gasbag.Gasbag in battery has centainly
Shape can store gas, that is, form bag structure.The gasbag can alleviate certain internal pressure, and inside battery is avoided to produce
Gas is excessive to be caused closedtop side to be softened electrolyte spilling occur.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Soft Roll coiling battery for improving chemical conversion aerogenesis, which is characterized in that including：
Packaging shell (1), is provided with core setting area in one end of the packaging shell (1), in the packaging shell (1)
The other end in be provided with gasbag, the core setting area is connected with the gasbag；
And the battery coiling (8) in the core setting area is arranged on, the battery coiling (8) is provided with described in stretching
The anode ear (2) of packaging shell (1) and negative electrode lug (3).
2. the Soft Roll coiling battery according to claim 1 for improving chemical conversion aerogenesis, it is characterised in that：The packaging shell
(1) the shell wall difference outwardly convex of the opposite both sides in one end, and be respectively formed in each protrusion first and heave region (4) and the
Two heave region (5), and described first heaves region (4), described second heaves region (5) and be clipped in described first and heave region
(4) and the described second space heaved in the packaging shell (1) between region (5) collectively constitutes core setting area.
3. the Soft Roll coiling battery according to claim 1 for improving chemical conversion aerogenesis, it is characterised in that：The packaging shell
(1) the shell wall outwardly convex of other end unilateral side, and form third in protrusion and heave region (6), the third heaves region
(6) gasbag is collectively constituted with the space other than the interior core setting area of the packaging shell (1).
4. the Soft Roll coiling battery according to claim 1 for improving chemical conversion aerogenesis, it is characterised in that：The packaging shell
(1) the shell wall difference outwardly convex of the opposite both sides of the other end, and be respectively formed in each protrusion third heave region (6) and
4th heaves region (7), and the third is heaved region (6), the described 4th heaved in region (7) and the packaging shell (1)
Space other than core setting area collectively constitutes gasbag.
5. the Soft Roll coiling battery according to any one of claims 1 to 4 for improving chemical conversion aerogenesis, it is characterised in that：The electricity
Pond coiling (8) is made of positive plate, negative plate and the diaphragm that is clipped between the positive plate and the negative plate, the positive plate
Anode ear (2) is connected with, the negative plate is connected with negative electrode lug (3), and the anode ear (2) and the negative electrode lug (3) penetrate
The packaging shell (1) reaches the packaging shell (1) outside；The anode ear (2) and the negative electrode lug (3) are set to packaging
The homonymy of housing (1).
6. a kind of production method for the Soft Roll coiling battery for improving chemical conversion aerogenesis, which is characterized in that include the following steps：By Soft Roll
Casing material piece makes housing, core setting area is set in one end of the housing, in the other end of the housing
The gasbag connected with the core setting area is set, the setting battery coiling in the core setting area, encapsulating housing,
And the anode ear of battery coiling and negative electrode lug are passed through into the housing while encapsulating housing, it obtains improving the soft of chemical conversion aerogenesis
Wrapping volume battery.
7. the production method of the Soft Roll coiling battery according to claim 6 for improving chemical conversion aerogenesis, which is characterized in that including
Following steps：
1) rectangular flexible package sheathing material piece is obtained, doubling is set along the length direction of the flexible package sheathing material piece
Line；
2) it is squeezed out in one end of the flexible package sheathing material piece and heaves direction upward the first bulge and the second bulge, it is described
First bulge and second bulge respectively symmetrically positioned at the both sides of the broken line；
3) it is squeezed out in the other end of the flexible package sheathing material piece and is used to form gasbag bulge；
4) along flexible package sheathing material piece described in the downward doubling of the broken line, and battery coiling is set to first bulge
In the core setting area formed between second bulge, housing is encapsulated out, is formed in the housing by the air bag
The gasbag that region in bag bulge and housing other than core setting area is formed, meanwhile, it is set in the positive plate of battery coiling
Anode ear sets negative electrode lug, and the anode ear and the negative electrode lug are passed through the flexible package in the negative plate of battery coiling
Sheathing material piece obtains improving the Soft Roll coiling battery of chemical conversion aerogenesis.
8. the production method of the Soft Roll coiling battery according to claim 6 for improving chemical conversion aerogenesis, which is characterized in that including
Following steps：
1) rectangular flexible package sheathing material piece is obtained, doubling is set along the length direction of the flexible package sheathing material piece
Line；
2) bulge for being used to form core setting area is squeezed out in one end of the flexible package sheathing material piece；
3) it is squeezed out in the other end of the flexible package sheathing material piece and heaves the upward third bulge in direction；
4) along flexible package sheathing material piece described in the downward doubling of the broken line, and battery coiling is set to the core and is set
Region encapsulates out housing, is formed in the housing by the region other than core setting area in the third bulge and housing
The gasbag of composition, meanwhile, anode ear is set in the positive plate of battery coiling, negative electrode lug is set in the negative plate of battery coiling,
And the anode ear and the negative electrode lug are passed through into the flexible package sheathing material piece, obtain improving the Soft Roll coiling of chemical conversion aerogenesis
Battery.
9. the production method of the Soft Roll coiling battery according to claim 6 for improving chemical conversion aerogenesis, which is characterized in that including
Following steps：
1) rectangular flexible package sheathing material piece is obtained, doubling is set along the length direction of the flexible package sheathing material piece
Line；
2) bulge for being used to form core setting area is squeezed out in one end of the flexible package sheathing material piece；
3) it is squeezed out in the other end of the flexible package sheathing material piece and heaves direction upward third bulge and the 4th bulge, institute
State third bulge and the 4th bulge respectively symmetrically positioned at the both sides of the broken line；
4) along flexible package sheathing material piece described in the downward doubling of the broken line, and battery coiling is set to the core and is set
Region encapsulates out housing, is formed in the soft-shell by the third bulge, the 4th bulge and is set with core in housing
The gasbag that the region other than region is formed is put, meanwhile, anode ear is set in the positive plate of battery coiling, in the negative of battery coiling
Pole piece sets negative electrode lug, and the anode ear and the negative electrode lug are passed through the flexible package sheathing material piece, obtains improvementization
Into the Soft Roll coiling battery of aerogenesis.
10. according to the production method of the Soft Roll coiling battery of any improvement chemical conversion aerogenesis of claim 6 to 9, feature
It is, includes the following steps：In step 4), while encapsulating housing by the anode ear of battery coiling and negative electrode lug described in
Housing, and the homonymy being set to outside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407214.0A CN108258326A (en) | 2017-12-22 | 2017-12-22 | A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407214.0A CN108258326A (en) | 2017-12-22 | 2017-12-22 | A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108258326A true CN108258326A (en) | 2018-07-06 |
Family
ID=62723961
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711407214.0A Pending CN108258326A (en) | 2017-12-22 | 2017-12-22 | A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821007A (en) * | 2019-10-30 | 2021-05-18 | 宁德新能源科技有限公司 | Unformed battery, preparation method of battery and formation equipment |
| CN113067041A (en) * | 2021-03-22 | 2021-07-02 | 宁德新能源科技有限公司 | Battery cell and electronic device |
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| CN201514960U (en) * | 2009-10-27 | 2010-06-23 | 惠州市赛能电池有限公司 | Membrane-punching structure of soft-package lithium-ion battery |
| CN203466260U (en) * | 2013-07-19 | 2014-03-05 | 广东国光电子有限公司 | Flexibly packed polymer lithium ion battery |
| CN205488249U (en) * | 2016-04-06 | 2016-08-17 | 东莞市安德丰电池有限公司 | Packaging structure of lithium ion attery |
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- 2017-12-22 CN CN201711407214.0A patent/CN108258326A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514960U (en) * | 2009-10-27 | 2010-06-23 | 惠州市赛能电池有限公司 | Membrane-punching structure of soft-package lithium-ion battery |
| CN203466260U (en) * | 2013-07-19 | 2014-03-05 | 广东国光电子有限公司 | Flexibly packed polymer lithium ion battery |
| CN205488249U (en) * | 2016-04-06 | 2016-08-17 | 东莞市安德丰电池有限公司 | Packaging structure of lithium ion attery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112821007A (en) * | 2019-10-30 | 2021-05-18 | 宁德新能源科技有限公司 | Unformed battery, preparation method of battery and formation equipment |
| CN113067041A (en) * | 2021-03-22 | 2021-07-02 | 宁德新能源科技有限公司 | Battery cell and electronic device |
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Application publication date: 20180706 |
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