CN204257769U - Be applied to sealing device and formation device thereof that lithium ion battery produces formation process - Google Patents
Be applied to sealing device and formation device thereof that lithium ion battery produces formation process Download PDFInfo
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- CN204257769U CN204257769U CN201420693945.1U CN201420693945U CN204257769U CN 204257769 U CN204257769 U CN 204257769U CN 201420693945 U CN201420693945 U CN 201420693945U CN 204257769 U CN204257769 U CN 204257769U
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- sealing device
- lithium ion
- ion battery
- formation process
- collar
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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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- 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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Abstract
The utility model discloses the sealing device that a kind of lithium ion battery produces formation process, belong to lithium battery production technology and device technique field, described sealing device comprises the collar adopting flexible material to make, and the described collar offers the intercommunicating pore penetrating outside in the collar, and the intercommunicating pore of the described collar is provided with cooling gas check valve, simple and the Be very effective of sealing device of the present utility model and lithium ion battery production apparatus for converting structure thereof, this sealing device can overcome traditional requirement needing drying plant to change into lithium battery, can be completed in normal atmospheric conditions by the chemical synthesis technology process of sealing device lithium battery, greatly reduce equipment purchasing expense and production run cost, sealing device is compared to the formation process of fluid-tight form, effectively avoid the risk causing due to cell internal pressure change causing battery to be scrapped in flexible pipe fluid-tight liquid suck-back to battery after changing into end, there is the advantage that reliability is high, and it is simple to operate, need not other equipment investments.
Description
Technical field
The utility model relates to a kind of sealing device being applied to lithium ion battery production formation process, belongs to lithium battery production technology and device technique field.
Background technology
Strictly inner moisture must be controlled in the manufacture process of lithium battery, moisture is huge on lithium ion battery impact, mainly can cause following adverse consequences: when inside battery washy time, the electrolyte of inside battery and water reaction, its product will be gas and hydrofluoric acid, and gas can make battery case generation swelling, and hydrofluoric acid is the acid that a kind of corrosivity is very strong, it can make the metal parts of inside battery corrode, and then makes the final leakage of battery.
After lithium battery injects electrolyte, need certain time of repose, to ensure that pole piece can infiltrate electrolyte fully, require to change into lithium ion battery according to subsequent technique after leaving standstill, but lithium battery inside when changing into can produce gas, in order to the gas that prevents is by battery case generation swelling and permanent deformation and cause scrapping of battery, be generally the discharge of its liquid injection hole being opened wide for gas in formation process.
But entering of moisture has huge hidden danger of quality to lithium battery, therefore traditional formation process is all be less than in the dry environment of 1% in relative humidity to carry out in technique, to ensure electrical property and the quality of lithium battery.Such formation workshop must carry out desiccant dehumidification process, and so just need purchase large-scale dehumidifier and set up the fine drying shed of seal, when capital construction and production run, power consumption is also very huge.
Summary of the invention
Goal of the invention of the present utility model is: for above-mentioned Problems existing, there is provided a kind of structure simple, what reliability was high is applied to the sealing device that lithium ion battery produces formation process, this sealing device can overcome traditional requirement needing drying plant to change into lithium battery, can be completed in normal atmospheric conditions by the chemical synthesis technology process of sealing device lithium battery, to reduce equipment purchasing expense and production run cost.
The technical solution adopted in the utility model is as follows:
Be applied to the sealing device that lithium ion battery produces formation process, comprise the collar adopting flexible material to make, the described collar offers the intercommunicating pore penetrating outside in the collar, and the intercommunicating pore of the described collar is provided with cooling gas check valve.The described collar is used as being communicated with and communication seals of lithium battery liquid injection hole and cooling gas check valve, make the gas of lithium battery interior in formation process by intercommunicating pore to cooling gas check valve, and unidirectional outflow, swelling and distortion is there is to prevent cell internal pressure from going beyond the scope.
The sealing device being applied to lithium ion battery production formation process of the present utility model, the further described collar is rectangular configuration.Make this sealing device be more suitable for square lithium ion battery and produce formation process.
Further, the side thickness of the described intercommunicating pore place collar is greater than all the other side thickness.The collar utilizes other three limits thickness to be less than the thickness of intercommunicating pore place side, is being placed on the unbalanced tensile force that square lithium battery is formed, is reaching the ability improving collar intercommunicating pore side seals.
The described collar adopts silicon rubber material to be made of one piece.Silicon rubber material has good seal performance, good stability and the good advantage of elastic deformation ability.
The sealing device being applied to lithium ion battery production formation process of the present utility model, described cooling gas check valve is diaphragm cooling gas check valve, and have sealing reliable, opening pressure is a little little.
The opening pressure of described cooling gas check valve is less than 0.4Mp.Gas can effectively be discharged by this pressure limit and unlikely cell internal pressure exceeds standard.
The sealing device being applied to lithium ion battery production formation process of the present utility model, described cooling gas check valve is directly connected with intercommunicating pore.
The linkage section of described cooling gas check valve is tapered structure or pyramidal structure, and tapered structure or pyramidal structure effectively can improve sealing effectiveness.
A kind of adopt described in be applied to the lithium ion battery production apparatus for converting of sealing device that lithium ion battery produces formation process, comprise the described sealing device being applied to lithium ion battery production formation process, described sealing device is placed on lithium battery, described cooling gas check valve and the liquid injection hole being arranged at lithium battery are tightly connected by the collar and are communicated with by intercommunicating pore, and positive pole and the negative pole of described lithium battery are connected to cell tester by wire.
Sealing device and lithium ion battery production apparatus for converting thereof that lithium ion battery produces formation process is applied to described in employing of the present utility model, compared to have adopt flexible hose coordinate clip and flexible hose outlet adopt fluid-tight change into seal form, this utility model has without the need to manually carrying out the advantage managing and operate in whole formation process, and prior being that of avoiding causes due to cell internal pressure change the risk that causes battery to be scrapped in flexible pipe fluid-tight liquid suck-back to battery after changing into end.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, of the present utility model be applied to lithium ion battery produce the sealing device of formation process and lithium ion battery production apparatus for converting structure simple, and Be very effective, this sealing device can overcome traditional requirement needing drying plant to change into lithium battery, can be completed in normal atmospheric conditions by the chemical synthesis technology process of sealing device lithium battery, greatly reduce equipment purchasing expense and production run cost
2, sealing device of the present utility model is compared to the formation process of fluid-tight form, effectively avoid the risk causing due to cell internal pressure change causing battery to be scrapped in flexible pipe fluid-tight liquid suck-back to battery after changing into end, there is the advantage that reliability is high, and simple to operate, need not other equipment investments.
Accompanying drawing explanation
Fig. 1 is schematic diagram of sealing device of the present utility model,
Fig. 2 is the lithium ion battery production apparatus for converting schematic perspective view of employing Fig. 1 sealing device of the present utility model.
Mark in figure: the 1-collar, 2-intercommunicating pore, 3-cooling gas check valve, 4-lithium battery, 5-liquid injection hole, 6-positive pole, 7-negative pole, 8-explosion-proof valve, 9-cell tester.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
A kind of sealing device being applied to lithium ion battery production formation process of the present utility model, its structure as shown in Figure 1, comprise the collar 1 adopting flexible material to make, the described collar 1 offers the intercommunicating pore 2 penetrating outside in the collar 1, and the intercommunicating pore 2 of the described collar 1 is provided with cooling gas check valve 3.The described collar (1) is rectangular configuration, and the side thickness of the described intercommunicating pore 2 place collar 1 is greater than all the other side thickness, and to adapt to the chemical synthesis technology of square metal shell lithium battery, meanwhile, the described collar 1 adopts silicon rubber material to be made of one piece.
The sealing device being applied to lithium ion battery production formation process of the present embodiment, described cooling gas check valve 3 is diaphragm cooling gas check valve, its opening pressure is less than 0.4Mp, and cooling gas check valve 3 is directly connected with intercommunicating pore 2, and the linkage section of cooling gas check valve 3 is tapered structure or pyramidal structure.
Of the present utility model a kind of adopt described in be applied to the lithium ion battery production apparatus for converting of sealing device that lithium ion battery produces formation process, comprise the sealing device being applied to lithium ion battery production formation process in the present embodiment, described sealing device is placed on lithium battery 4, described cooling gas check valve 3 and the liquid injection hole 5 being arranged at lithium battery 4 to be tightly connected by the collar 1 and to be communicated with by intercommunicating pore 2, positive pole 6 and the negative pole 7 of described lithium battery 4 are connected to cell tester 9 by wire, lithium battery 4 is also provided with explosion-proof valve 8, and its structural representation as shown in Figure 2.
Formation process is as follows: cell tester 9 is energized and changes into lithium battery 4 discharge and recharge, the gas produced in battery by liquid injection hole 5 to intercommunicating pore 2, finally by the unidirectional discharge of cooling gas check valve 3.
Of the present utility model be applied to lithium ion battery produce the sealing device of formation process and lithium ion battery production apparatus for converting structure simple, and Be very effective, this sealing device can overcome traditional requirement needing drying plant to change into lithium battery, can be completed in normal atmospheric conditions by the chemical synthesis technology process of sealing device lithium battery, greatly reduce equipment purchasing expense and production run cost
Sealing device of the present utility model is compared to the formation process of fluid-tight form, effectively avoid the risk causing due to cell internal pressure change causing battery to be scrapped in flexible pipe fluid-tight liquid suck-back to battery after changing into end, there is the advantage that reliability is high, and simple to operate, need not other equipment investments.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. one kind is applied to the sealing device that lithium ion battery produces formation process, it is characterized in that: comprise the collar (1) adopting flexible material to make, the described collar (1) offers the intercommunicating pore (2) penetrating outside in the collar (1), and the intercommunicating pore (2) of the described collar (1) is provided with cooling gas check valve (3).
2. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 1, it is characterized in that: the described collar (1) is rectangular configuration.
3. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 2, it is characterized in that: the side thickness at described intercommunicating pore (2) the place collar (1) is greater than all the other side thickness.
4. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 1, it is characterized in that: the described collar (1) adopts silicon rubber material to be made of one piece.
5. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 1, it is characterized in that: described cooling gas check valve (3) is diaphragm cooling gas check valve.
6. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 1, it is characterized in that: the opening pressure of described cooling gas check valve (3) is less than 0.4Mp.
7. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 1, it is characterized in that: described cooling gas check valve (3) is directly connected with intercommunicating pore (2).
8. be applied to the sealing device that lithium ion battery produces formation process as claimed in claim 7, it is characterized in that: the linkage section of described cooling gas check valve (3) is tapered structure or pyramidal structure.
9. be applied to the lithium ion battery production apparatus for converting that lithium ion battery produces the sealing device of formation process described in an employing, it is characterized in that: comprise the sealing device being applied to lithium ion battery production formation process as described in any one of claim 1-8, described sealing device is placed on lithium battery (4), described cooling gas check valve (3) and the liquid injection hole (5) being arranged at lithium battery are tightly connected by the collar (1) and are communicated with by intercommunicating pore (2), and positive pole (6) and the negative pole (7) of described lithium battery (4) are connected to cell tester (9) by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693945.1U CN204257769U (en) | 2014-11-19 | 2014-11-19 | Be applied to sealing device and formation device thereof that lithium ion battery produces formation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693945.1U CN204257769U (en) | 2014-11-19 | 2014-11-19 | Be applied to sealing device and formation device thereof that lithium ion battery produces formation process |
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|---|---|
| CN204257769U true CN204257769U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420693945.1U Active CN204257769U (en) | 2014-11-19 | 2014-11-19 | Be applied to sealing device and formation device thereof that lithium ion battery produces formation process |
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| CN (1) | CN204257769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332660A (en) * | 2014-11-19 | 2015-02-04 | 德阳威旭锂电科技有限责任公司 | Sealing device used in formation step of lithium ion battery production and formation device of sealing device |
-
2014
- 2014-11-19 CN CN201420693945.1U patent/CN204257769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332660A (en) * | 2014-11-19 | 2015-02-04 | 德阳威旭锂电科技有限责任公司 | Sealing device used in formation step of lithium ion battery production and formation device of sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sealing device used in formation step of lithium ion battery production and formation device of sealing device Effective date of registration: 20180212 Granted publication date: 20150408 Pledgee: Sichuan Tianfu bank Limited by Share Ltd Deyang branch Pledgor: DEYANG WEIXU LITHIUM TECHNOLOGY CO., LTD. Registration number: 2018510000022 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190417 Granted publication date: 20150408 Pledgee: Sichuan Tianfu bank Limited by Share Ltd Deyang branch Pledgor: DEYANG WEIXU LITHIUM TECHNOLOGY CO., LTD. Registration number: 2018510000022 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sealing device used in formation step of lithium ion battery production and formation device of sealing device Effective date of registration: 20190419 Granted publication date: 20150408 Pledgee: Sichuan Tianfu bank Limited by Share Ltd Deyang branch Pledgor: DEYANG WEIXU LITHIUM TECHNOLOGY CO., LTD. Registration number: 2019510000047 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200423 Granted publication date: 20150408 Pledgee: Sichuan Tianfu bank Limited by Share Ltd Deyang branch Pledgor: DEYANG WEIXU LITHIUM BATTERY TECHNOLOGY Co.,Ltd. Registration number: 2019510000047 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sealing device used in formation step of lithium ion battery production and formation device of sealing device Effective date of registration: 20200426 Granted publication date: 20150408 Pledgee: Sichuan Tianfu bank Limited by Share Ltd Deyang branch Pledgor: DEYANG WEIXU LITHIUM BATTERY TECHNOLOGY Co.,Ltd. Registration number: Y2020510000040 |