CN201022081Y - Soft packing lithium secondary battery with secure air chamber - Google Patents
Soft packing lithium secondary battery with secure air chamber Download PDFInfo
- Publication number
- CN201022081Y CN201022081Y CNU2006201547115U CN200620154711U CN201022081Y CN 201022081 Y CN201022081 Y CN 201022081Y CN U2006201547115 U CNU2006201547115 U CN U2006201547115U CN 200620154711 U CN200620154711 U CN 200620154711U CN 201022081 Y CN201022081 Y CN 201022081Y
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- China
- Prior art keywords
- air bag
- battery
- package shell
- flexible package
- flexible
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- 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.)
- Expired - Fee Related
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- 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
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- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a soft packaging secondary lithium battery for a safety gas cell, which belongs to the battery field, in particular to an improved structure for improving the security of a soft packaging secondary lithium battery, wherein the secondary lithium battery comprises an electric core, positive and negative electrode ears and a soft packaging cover which adopts the plastic-aluminum composite soft packaging membrane to package, and has a tip-seal edge, two side-seal edges and an under-seal edge. The safety gas cell is arranged between each one of the four edges of the soft packaging cover of the battery and the electric core inside the soft packaging cover. The utility model has the advantages of simple conformation, non bulging broken, non leakage and non contact between the active compound and the fuel gas in the battery and the air in the cases of the abuse of overcharging and short-circuiting, and avoiding burning accidents, thereby increasing the security of the battery.
Description
Technical field
The flexible-packaged lithium secondary cell of the utility model band air bag belongs to field of batteries, particularly relates to a kind of improvement structure that improves the flexible-packaged lithium secondary cell fail safe.
Background technology
The flexible-packaged lithium secondary cell structure includes electric core, positive and negative lug, adopt plastic-aluminum combined flexible packaging film encapsulation, a closedtop limit, two side seal limits and a underseal limit are arranged, in order to make battery attractive in appearance, reduce volume of battery, alleviate the weight of battery, improve volume of battery specific energy and gravimetric specific energy, general all is the edge sealing size that as far as possible reduces battery, and seals the limit and be close to electric core edge.This structure battery is being short-circuited or during overcharge conditions, the battery expansion of can generating heat, produce fuel gas, because inside battery is very compact, short circuit or the gas that overcharges generation do not have more space to store, and cause cell fracture easily, leak, active material in the battery contacts with air with fuel gas, is being easy to fire burns, brings very big harm to the user; When heavy-current discharge, the discharge temp height, battery security is affected, and causes battery to catch fire easily; Battery is when falling situation, if contact to earth in the bight, base of battery, internal short-circuit takes place easily, the battery expansion of also can generating heat produces fuel gas, causes cell fracture easily, leak, active material in the battery contacts with air with fuel gas, is being easy to fire burns, brings very big harm to the user.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of safe, flexible-packaged lithium secondary cell of having air bag is provided.
The purpose of this utility model is achieved through the following technical solutions, lithium secondary battery is made up of electric core, positive and negative lug and flexible package shell, the electricity core is placed in the flexible package shell, the flexible packaging film encapsulation time has a closedtop limit, two side seal limits and a base, and any one leaves air bag between the electric core to four edges and the flexible package shell in four limits of the flexible package shell of battery.When cell package, air bag vacuumizes, and air bag and battery case inner chamber are communicated with.When battery is short-circuited or overcharge, the fuel gas that is produced can be stored in the air bag, battery can not burst, can not leak, active material in the battery can not contact with air with fuel gas, air bag on the battery edge sealing plays cushioning effect, avoids taking place pyrophoricity accident, has improved battery security greatly.
Utility model is provided with air bag on the battery base, leaves air bag between the electric core in the base of the flexible package shell of battery and flexible package shell, and when falling situation, the air bag on the battery base plays cushioning effect, and battery is not easy to take place internal short-circuit; Even generation internal short-circuit, the fuel gas that is produced can be stored in the air bag, battery can not burst, can not leak, the active material in the battery can not contact with air with fuel gas, is not easy to take place pyrophoricity accident, thereby improve the crash resistance energy of battery, improve the fail safe of battery.
The utility model is simple in structure, and when overcharging or during the abuse condition of short circuit, battery can not burst, and can not leak, the active material in the battery can contact with air with fuel gas, avoids taking place pyrophoricity accident, thus the security performance of raising battery.
Description of drawings
Accompanying drawing 2 is the utility model lithium secondary battery example structure schematic diagrames.
Accompanying drawing 3 is the utility model lithium secondary battery example structure schematic diagrames.
Accompanying drawing 4 is the utility model lithium secondary battery example structure schematic diagrames.
Accompanying drawing 5 is A-A generalized sections of accompanying drawing 4.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model lithium secondary battery is made up of electric core 4, positive and negative lug 1 and flexible package shell 2, electricity core 4 is placed in the flexible package shell 2, a closedtop limit, two side seal limits and a base are arranged during 2 encapsulation of flexible package shell, on the battery base air bag 3 is set, in the base of the flexible package shell of battery and flexible package shell, leaves air bag between the electric core.When cell package, air bag vacuumizes, and air bag and battery case inner chamber are communicated with.Article one, the limit is provided with the situation of air bag, and air bag can be arranged on the base, also can be arranged on the left side, also can be arranged on the right, can also be arranged on top margin.
As shown in Figure 2, the utility model lithium secondary battery is made up of electric core 4, positive and negative lug 1 and flexible package shell 2, electricity core 4 is placed in the flexible package shell 2, a closedtop limit, two side seal limits and a base are arranged during 2 encapsulation of flexible package shell, at the battery dual-side air bag 3 is set, in the both sides edge sealing of the flexible package shell of battery and flexible package shell, leaves air bag between the electric core.When cell package, air bag vacuumizes, and air bag and battery case inner chamber are communicated with.Article two, the limit is provided with the situation of air bag, and air bag can be arranged on two side seal limits, also can be arranged on limit, left side and base, also can be arranged on right edge and base, also can be arranged on limit, left side and top margin, also can be arranged on right edge and top margin, can also be arranged on base and top margin.
As shown in Figure 3, the utility model lithium secondary battery is made up of electric core 4, positive and negative lug 1 and flexible package shell 2, electricity core 4 is placed in the flexible package shell 2, a closedtop limit, two side seal limits and a base are arranged during 2 encapsulation of flexible package shell, at battery both sides edge sealing and base air bag 3 is set, between the both sides edge sealing of the flexible package shell of battery and base are with electric core in the flexible package shell, leaves air bag.When cell package, air bag vacuumizes, and air bag and battery case inner chamber are communicated with.Article three, the limit is provided with the situation of air bag, and air bag can be arranged on two side seal limits and base, also can be arranged on two side seal limits and top margin, also can be arranged on limit, left side, base and top margin, can also be arranged on right edge, base and top margin.
Shown in accompanying drawing 4, accompanying drawing 5, the utility model lithium secondary battery is made up of electric core 4, positive and negative lug 1 and flexible package shell 2, electricity core 4 is placed in the flexible package shell 2, during flexible package shell 2 encapsulation a closedtop limit, two side seal limits and a base are arranged, on battery closedtop limit, two side seal limits and underseal limit all be provided with air bag 3.All leave air bag on battery closedtop limit, two side seal limits and underseal limit with between the electric core.When cell package, air bag vacuumizes, and air bag and battery case inner chamber are communicated with.
Claims (10)
1. flexible-packaged lithium secondary cell with air bag, form by electric core, positive and negative lug and flexible package shell, the flexible package shell adopts plastic-aluminum combined flexible packaging film encapsulation, a closedtop limit, two side seal limits and a underseal limit are arranged, it is characterized in that in the edge sealing of the flexible package shell of battery and flexible package shell, leaving air bag between the electric core.
2. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that on the battery base air bag being set, and leaves air bag between the electric core in the base edge sealing of the flexible package shell of battery and flexible package shell.
3. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that on limit, battery left side air bag being set, and leaves air bag between the electric core in the left side edge sealing of the flexible package shell of battery and flexible package shell.
4. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that in the battery right edge air bag being set, and leaves air bag between the electric core in the right side edge sealing of the flexible package shell of battery and flexible package shell.
5. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that at the battery top margin air bag being set, and leaves air bag between the electric core in the closedtop limit of the flexible package shell of battery and flexible package shell.
6. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that at the battery dual-side air bag being set, and leaves air bag between the electric core in the both sides edge sealing of the flexible package shell of battery and flexible package shell.
7. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that at battery side and base air bag being set, and leaves air bag between the electric core in the side seal limit of the flexible package shell of battery and underseal limit and flexible package shell.
8. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that at battery side and top margin air bag being set, and leaves air bag between the electric core in the side seal limit of the flexible package shell of battery and closedtop limit and flexible package shell.
9. the flexible-packaged lithium secondary cell of band air bag according to claim 1 is characterized in that at battery top margin and base air bag being set, and leaves air bag between the electric core in the closedtop limit of the flexible package shell of battery and underseal limit and flexible package shell.
10. the flexible-packaged lithium secondary cell of band air bag according to claim 1, it is characterized in that air bag being set, in side seal limit, closedtop limit and the underseal limit of the flexible package shell of battery and flexible package shell, leave air bag between the electric core on battery side, top margin and base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201547115U CN201022081Y (en) | 2006-12-06 | 2006-12-06 | Soft packing lithium secondary battery with secure air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201547115U CN201022081Y (en) | 2006-12-06 | 2006-12-06 | Soft packing lithium secondary battery with secure air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201022081Y true CN201022081Y (en) | 2008-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201547115U Expired - Fee Related CN201022081Y (en) | 2006-12-06 | 2006-12-06 | Soft packing lithium secondary battery with secure air chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201022081Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794904A (en) * | 2010-03-15 | 2010-08-04 | 珠海光宇电池有限公司 | Polymer power battery with external fixed structure and fixing method thereof |
| CN103199297A (en) * | 2012-01-09 | 2013-07-10 | 苏州纳新新能源科技有限公司 | Pressure release type safe lithium battery |
| CN104064692A (en) * | 2014-02-18 | 2014-09-24 | 浙江超威创元实业有限公司 | Lithium battery having fire extinguishing apparatus |
| CN105702885A (en) * | 2016-04-06 | 2016-06-22 | 东莞市安德丰电池有限公司 | Packaging structure of lithium ion battery, and packaging method and formation method for packaging structure |
| CN107528021A (en) * | 2017-09-29 | 2017-12-29 | 遵义西南机械设备有限责任公司 | A kind of battery case with shockproof explosion prevention function |
| CN113363555A (en) * | 2021-04-30 | 2021-09-07 | 万向一二三股份公司 | Lithium ion battery for improving leakage failure of soft package battery and packaging process thereof |
-
2006
- 2006-12-06 CN CNU2006201547115U patent/CN201022081Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794904A (en) * | 2010-03-15 | 2010-08-04 | 珠海光宇电池有限公司 | Polymer power battery with external fixed structure and fixing method thereof |
| CN103199297A (en) * | 2012-01-09 | 2013-07-10 | 苏州纳新新能源科技有限公司 | Pressure release type safe lithium battery |
| CN104064692A (en) * | 2014-02-18 | 2014-09-24 | 浙江超威创元实业有限公司 | Lithium battery having fire extinguishing apparatus |
| CN105702885A (en) * | 2016-04-06 | 2016-06-22 | 东莞市安德丰电池有限公司 | Packaging structure of lithium ion battery, and packaging method and formation method for packaging structure |
| CN105702885B (en) * | 2016-04-06 | 2018-04-17 | 东莞市安德丰电池有限公司 | Encapsulating structure and its method for packing, the chemical synthesizing method of a kind of lithium ion battery |
| CN107528021A (en) * | 2017-09-29 | 2017-12-29 | 遵义西南机械设备有限责任公司 | A kind of battery case with shockproof explosion prevention function |
| CN113363555A (en) * | 2021-04-30 | 2021-09-07 | 万向一二三股份公司 | Lithium ion battery for improving leakage failure of soft package battery and packaging process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU FULLRIVER BATTERY NEW TECHNOLOGY CO., LT Free format text: FORMER NAME: GUANGZHOU FULLRIVER BATTERY NEW TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 511400, No. 22 South Embankment Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District Patentee after: Guangzhou FULLRIVER Battery New Technology Co., Ltd. Address before: 511400, No. 22 South Embankment Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District Patentee before: Guangzhou Fullriver Battery New Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20131206 |