CN108390092A - A kind of liquid soft bag lithium ionic cell and its packaging technology - Google Patents
A kind of liquid soft bag lithium ionic cell and its packaging technology Download PDFInfo
- Publication number
- CN108390092A CN108390092A CN201810087865.4A CN201810087865A CN108390092A CN 108390092 A CN108390092 A CN 108390092A CN 201810087865 A CN201810087865 A CN 201810087865A CN 108390092 A CN108390092 A CN 108390092A
- Authority
- CN
- China
- Prior art keywords
- battery
- gas chamber
- packaging film
- sealing
- core cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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 of a single cell or a single battery
-
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
-
- 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
Abstract
The invention discloses a kind of liquid soft bag lithium ionic cell and its packaging technology, including packaging film, the right side wall of the packaging film is equipped with sealing, and the inner cavity of the packaging film is respectively arranged on the left side and the right side the gentle room of battery core cavity of connection.Battery is recycled for the first time in potting process the internal gas extraction of generation, the internal resistance of cell can be reduced, keep Battery formation more abundant, to reduce battery capacity loss, pass through the setting of gas chamber, inner space can be increased, when preventing inflatable internal pressure it is excessive and by the flexible package spalling of battery, it avoids causing battery leakage, alleviate liquid flexible packing lithium ion electric pond when recycling for the first time in the stage of chemical conversion inside generate influence of the inflatable to battery, to bypass inflatable problem, in addition packaging film makes cost reduction using aluminum plastic film.The present invention solves the problems, such as that aluminum plastic film soft-package battery is also easy to produce inflatable in encapsulation process, reduces battery manufacture cost, improves product quality.
Description
Technical field
The present invention relates to technical field of lithium ion, specific field is a kind of liquid soft bag lithium ionic cell and its encapsulation
Technique.
Background technology
Lithium ion battery is the battery of new generation that world today's scientific and technological content is higher, widely used, development prospect is wide.Lithium
Ion battery can be divided into liquid lithium ionic cell and polymer Li-ion battery according to the state of electrolyte.Liquid lithium ionic cell
It using liquid electrolyte, is packed usually using metal shell or aluminum plastic film, metal shell is packed there are poor plasticity, is not easy
Lightweight, it is of high cost the shortcomings of.And liquid soft bag lithium ionic cell is packed using aluminum-plastic composite membrane, has light weight, work
The advantages that skill is simple, configuration design is flexible and convenient, at low cost, but simultaneously there is also such as mechanical strength is low, is not easy to seal and be easier to
The shortcomings of generating inflatable, affects the use of aluminum plastic film soft-package battery.
Invention content
The purpose of the present invention is to provide a kind of liquid soft bag lithium ionic cell and its packaging technologies, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, one aspect of the present invention provides a kind of liquid soft bag lithium ionic cell：A kind of liquid Soft Roll lithium
The inner cavity of ion battery, including packaging film, the packaging film is respectively arranged on the left side and the right side the gentle room of battery core cavity, the battery
Intracavitary is equipped with battery, is respectively equipped with anode ear and negative electrode lug in the battery, the anode ear and the negative electrode lug run through
The right side wall of the upper side wall of the packaging film, the packaging film is equipped with sealing, and the sealing, gas chamber and battery core cavity are mutual successively
Connection.
Preferably, the packaging film is aluminum-plastic composite membrane.
Preferably, the battery core cavity is identical with spatial volume size in the gas chamber.
Another aspect of the present invention provides the packaging technology that the liquid soft bag lithium ionic cell uses, including following step
Suddenly：
1）Battery is encapsulated for the first time, and before carrying out fluid injection process, a gas chamber, the gas chamber are reserved on the right side of the battery
It is communicated with the battery core cavity, electrolyte is injected from described seal to the battery core cavity；
2）Battery seals the sealing on the right side of the gas chamber after carrying out fluid injection process, with vacuum sealer, then battery
It is melted into；
3）The battery for generating inflatable after chemical conversion is cut off along the sealing, pumps inside battery gas with vacuum sealer, then will
This banding is lived；
4）By the battery of vacuum-pumping and sealing again in the gas chamber and being sealed with heat sealing machine on one side close to battery, finally along institute
State gas chamber on one side cutting the gas chamber close to the battery, the battery completed.
Compared with prior art, the beneficial effects of the invention are as follows：Battery is recycled for the first time in potting process generation
Internal gas is extracted out, can be reduced the internal resistance of cell, be kept Battery formation more abundant, to reduce battery capacity loss, passes through gas
The setting of room, it is possible to increase inner space, when preventing inflatable internal pressure it is excessive and by the flexible package spalling of battery, avoid that battery is caused to leak
Liquid, alleviate liquid flexible packing lithium ion electric pond when recycling for the first time in the stage of chemical conversion inside generate influence of the inflatable to battery, from
And inflatable problem is bypassed, in addition packaging film makes cost reduction using aluminum plastic film.The present invention solves aluminum plastic film soft-package battery and exists
The problem of inflatable is also easy to produce in encapsulation process reduces battery manufacture cost, improves product quality.
Description of the drawings
Fig. 1 is the encapsulation process first step schematic diagram of the present invention；
Fig. 2 is the encapsulation process second step schematic diagram of the present invention；
Fig. 3 is the encapsulation process third step schematic diagram of the present invention；
Fig. 4 is the encapsulation process four steps schematic diagram of the present invention.
In figure：1- packaging films, 2- batteries core cavity, 3- gas chambers, 4- batteries, 5- anode ears, 6- negative electrode lugs, 7- sealings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of liquid soft bag lithium ionic cell, including packaging film
1, the inner cavity of the packaging film 1 is respectively arranged on the left side and the right side battery core cavity 2 and gas chamber 3, and the setting of gas chamber 3 makes inner space increase
Greatly, when preventing inflatable internal pressure it is excessive and by the flexible package spalling of battery, cause battery leakage, electricity be equipped in the battery core cavity 2
Pond core 4, battery 4 is reacted with the electrolyte of injection packaging film 1 to be produced electricl energy, and anode ear 5 is respectively equipped in the battery 4
With negative electrode lug 6, through the upper side wall of the packaging film 1, anode ear 5 and negative electrode lug 6 are used for the anode ear 5 and the negative electrode lug 6
It is equipped with sealing 7 in the right side wall of charge and discharge, the packaging film 1, the sealing 7, gas chamber 3 are interconnected successively with battery core cavity 2,
Electrolyte can be injected by gas chamber 3 to battery core cavity 2 from sealing 7.
Specifically, the packaging film 1 is aluminum-plastic composite membrane, light weight makes that packaging technology is simple, the flexible side of configuration design
Just, at low cost.
Specifically, the battery core cavity 2 is identical with spatial volume size in the gas chamber 3, it can fully accommodate battery and exist
The flatulence that inside generates when the chemical conversion stage recycles for the first time.
Specifically, the packaging technology that the liquid soft bag lithium ionic cell in the present invention uses, includes the following steps：
1）Battery is encapsulated for the first time, and before carrying out fluid injection process, a gas chamber 3, the gas are reserved on 4 right side of the battery
Room 3 is communicated with the battery core cavity 2, and electrolyte is injected from the sealing 7 to the battery core cavity 2；
2）Battery seals the sealing 7 on 3 right side of the gas chamber after carrying out fluid injection process, with vacuum sealer, then electric
Pond is melted into；
3）The battery for generating inflatable after chemical conversion is cut off along the sealing 7, pumps inside battery gas with vacuum sealer, then will
This banding is lived；
4）By the battery of vacuum-pumping and sealing again on the gas chamber 6 and being sealed with heat sealing machine on one side close to battery 4, last edge
The gas chamber 5 on one side cuts the gas chamber 6 close to the battery 4, the battery 4 completed.
Operation principle：The internal gas extraction for battery being recycled for the first time in potting process generation, can reduce battery
Internal resistance keeps Battery formation more abundant, to reduce battery capacity loss, the setting of gas chamber 3, it is possible to increase inner space prevents
When inflatable internal pressure it is excessive and by the flexible package spalling of battery, avoid causing battery leakage, alleviate liquid flexible packing lithium ion electric pond
Influence of the inflatable to battery is generated inside when recycling for the first time in the stage of chemical conversion, to bypass inflatable problem, in addition packaging film 1 is adopted
With aluminum plastic film so that cost reduction.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of liquid soft bag lithium ionic cell, including packaging film（1）, it is characterised in that：The packaging film（1）Inner cavity or so
Both sides are respectively equipped with battery core cavity（2）And gas chamber（3）, the battery core cavity（2）It is interior to be equipped with battery（4）, the battery（4）
On be respectively equipped with anode ear（5）And negative electrode lug（6）, the anode ear（5）With the negative electrode lug（6）Through the packaging film（1）
Upper side wall, the packaging film（1）Right side wall be equipped with sealing（7）, the sealing（7）, gas chamber（3）With battery core cavity（2）According to
It is secondary to be interconnected.
2. a kind of liquid soft bag lithium ionic cell according to claim 1, it is characterised in that：The packaging film（1）For aluminium
Mould composite membrane.
3. a kind of liquid soft bag lithium ionic cell according to claim 1, it is characterised in that：The battery core cavity（2）With
The gas chamber（3）Interior spatial volume size is identical.
4. according to a kind of liquid soft bag lithium ionic cell of claim 1-4 any one of them, it is characterised in that：The liquid is soft
The packaging technology that packet lithium ion battery uses includes the following steps：
1）Battery is encapsulated for the first time, before carrying out fluid injection process, in the battery（4）Reserve a gas chamber in right side（3）, institute
State gas chamber（3）With the battery core cavity（2）It communicates, by electrolyte from the sealing（7）To the battery core cavity（2）Injection；
2）Battery is after carrying out fluid injection process, with vacuum sealer by the gas chamber（3）The sealing on right side（7）It seals, so
Battery is melted into afterwards；
3）The battery of inflatable will be generated after chemical conversion along the sealing（7）It cuts off, inside battery gas is pumped with vacuum sealer, then
This banding is lived；
4）By the battery of vacuum-pumping and sealing again in the gas chamber（6）With close battery（4）Sealed on one side with heat sealing machine, most
Afterwards along the gas chamber（5）Close to the battery（4）On one side by the gas chamber（6）It cuts, the battery completed
（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087865.4A CN108390092A (en) | 2018-01-30 | 2018-01-30 | A kind of liquid soft bag lithium ionic cell and its packaging technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087865.4A CN108390092A (en) | 2018-01-30 | 2018-01-30 | A kind of liquid soft bag lithium ionic cell and its packaging technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108390092A true CN108390092A (en) | 2018-08-10 |
Family
ID=63074717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810087865.4A Pending CN108390092A (en) | 2018-01-30 | 2018-01-30 | A kind of liquid soft bag lithium ionic cell and its packaging technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108390092A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211286A (en) * | 2020-01-07 | 2020-05-29 | 苏州清陶新能源科技有限公司 | Liquid leakage prevention method for lithium ion soft package battery |
| CN112838196A (en) * | 2019-11-25 | 2021-05-25 | 宁德时代新能源科技股份有限公司 | Secondary battery and device containing the same |
| CN113140844A (en) * | 2021-05-06 | 2021-07-20 | 深圳新源柔性科技有限公司 | Thin film device packaging head, device, equipment and packaging method |
| CN113258227A (en) * | 2021-07-14 | 2021-08-13 | 广东电网有限责任公司韶关供电局 | Battery manufacturing process and battery pack for inspection robot |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201868521U (en) * | 2010-09-20 | 2011-06-15 | 东莞新能源电子科技有限公司 | Soft-packed lithium ion battery |
| CN102637895A (en) * | 2012-04-10 | 2012-08-15 | 东莞市特耐克新能源科技有限公司 | Flexible-package lithium ion battery and method for improving electric capacity of battery |
-
2018
- 2018-01-30 CN CN201810087865.4A patent/CN108390092A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201868521U (en) * | 2010-09-20 | 2011-06-15 | 东莞新能源电子科技有限公司 | Soft-packed lithium ion battery |
| CN102637895A (en) * | 2012-04-10 | 2012-08-15 | 东莞市特耐克新能源科技有限公司 | Flexible-package lithium ion battery and method for improving electric capacity of battery |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838196A (en) * | 2019-11-25 | 2021-05-25 | 宁德时代新能源科技股份有限公司 | Secondary battery and device containing the same |
| CN112838196B (en) * | 2019-11-25 | 2022-02-22 | 宁德时代新能源科技股份有限公司 | Secondary battery and device containing the same |
| US11404688B2 (en) | 2019-11-25 | 2022-08-02 | Contemporary Amperex Technology Co., Limited | Secondary battery and apparatus containing the same |
| CN111211286A (en) * | 2020-01-07 | 2020-05-29 | 苏州清陶新能源科技有限公司 | Liquid leakage prevention method for lithium ion soft package battery |
| CN113140844A (en) * | 2021-05-06 | 2021-07-20 | 深圳新源柔性科技有限公司 | Thin film device packaging head, device, equipment and packaging method |
| CN113140844B (en) * | 2021-05-06 | 2024-04-16 | 深圳新源柔性科技有限公司 | Thin film device packaging head, device, equipment and packaging method |
| CN113258227A (en) * | 2021-07-14 | 2021-08-13 | 广东电网有限责任公司韶关供电局 | Battery manufacturing process and battery pack for inspection robot |
| CN113258227B (en) * | 2021-07-14 | 2021-10-15 | 广东电网有限责任公司韶关供电局 | Battery manufacturing process and battery pack for inspection robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101533927B (en) | Method for manufacturing lithium ion battery | |
| CN108390092A (en) | A kind of liquid soft bag lithium ionic cell and its packaging technology | |
| CN100483842C (en) | Method of packaging high capacity polymer lithium battery | |
| CN202585641U (en) | Flexible packaged lithium battery | |
| CN100395904C (en) | Process and device for cell pole piece pressurization and injection | |
| CN103515653A (en) | Formation method of soft-packed lithium ion battery | |
| CN101794915B (en) | Lithium ion battery structure and preparation method thereof | |
| CN109378412A (en) | A kind of polymer Li-ion battery and its manufacturing method | |
| CN105161766B (en) | A kind of fluid injection chemical synthesizing method of power lithium battery | |
| CN101640283A (en) | Maintainable lithium-ion battery and maintenance method thereof | |
| CN112803125B (en) | Soft package button type lithium ion battery and manufacturing method thereof | |
| CN110828905A (en) | Method for manufacturing lithium ion battery | |
| CN202678429U (en) | Lithium ion battery | |
| CN106299484A (en) | A kind of lithium ion battery series connection is remained silent formation device | |
| CN106299481B (en) | A kind of encapsulation of soft bag lithium ionic cell, drawing liquid forming method | |
| CN108172921A (en) | The air-exhaust method of soft-package battery | |
| CN105633333B (en) | A kind of lithium ion cylinder structure battery and preparation method thereof | |
| CN106486629A (en) | Soft-package battery | |
| CN102569872B (en) | Lithium ion battery and manufacturing method thereof | |
| CN201440437U (en) | Lithium-ion power battery and battery pack thereof | |
| CN113131003A (en) | Packaging process of soft-packaged battery cell | |
| CN201378611Y (en) | Maintainable lithium ion battery | |
| CN201699061U (en) | Packaging bag for lithium ion batteries | |
| CN108258326A (en) | A kind of Soft Roll coiling battery for improving chemical conversion aerogenesis and preparation method thereof | |
| CN115566243A (en) | Soft package electric core group capable of sharing electrolyte and large-capacity battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180810 |