CN203260685U - High-capacity lithium ion battery forming gas collecting device - Google Patents
High-capacity lithium ion battery forming gas collecting device Download PDFInfo
- Publication number
- CN203260685U CN203260685U CN2013202271032U CN201320227103U CN203260685U CN 203260685 U CN203260685 U CN 203260685U CN 2013202271032 U CN2013202271032 U CN 2013202271032U CN 201320227103 U CN201320227103 U CN 201320227103U CN 203260685 U CN203260685 U CN 203260685U
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- China
- Prior art keywords
- gas
- gas collecting
- lithium ion
- ion battery
- battery
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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.)
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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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- Battery Mounting, Suspending (AREA)
- Hybrid Cells (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a high-capacity lithium ion battery forming gas collecting device. The technical scheme is that the high-capacity lithium ion battery forming gas collecting device comprises a gas collecting bin and a gas collecting gasbag, wherein the gas collecting bin is of a hollow cavity structure, and the upper part of the gas collecting bin is buckled with an upper cover; the upper cover is provided with a gasbag installing port, the gas collecting gasbag is sleeved on the gasbag installing port and is communicated with the gas collecting bin; the lower part of the gas collecting bin is provided with a gas inlet, and the gas collecting bin is internally provided with a check valve communicated with a gas inlet. The high-capacity lithium ion battery forming gas collecting device provided by the utility model has the advantages that gas generated by formation of a lithium ion battery is stored in the gas collecting bin and the gas collecting gasbag, the battery does not have a gas expansion problem; the leakproofness of the gas collecting device is good, moisture in the air is prevented from entering the battery, the forming battery quality is guaranteed, the product passing percent is improved, the gas generated by formation of the battery is collected, the disadvantage that forming gas contaminates workshop environment is eliminated, and meanwhile, the investment of the forming workshop drying dehumidification equipment is saved.
Description
Technical field
The utility model relates to a kind of lithium ion battery manufacturing technology, especially for the gas collecting apparatus that high capacity lithium ion battery changes into, belongs to the battery technology field.
Background technology
Lithium ion battery has that operating voltage is high, energy density is large, have extended cycle life, the advantages such as self-discharge rate is little, environmental protection, is widely used in the portable type electronic product field.Along with the development of lithium-ion-power cell technology is increasingly mature, its range of application is more and more extensive, and the industries such as motor vehicle, UPS, energy-accumulating power station also increase gradually to the demand of lithium-ion-power cell.In lithium ion battery manufacturing process, prior art is that large capacity duricrust battery adopts open formation basically, and the gas that discharges in formation process directly discharges, and needs the strict workshop humidity of controlling this moment, avoids airborne moisture content to enter inside battery.Battery capacity is larger, the gas that produces when changing into the more, the gas that during the high capacity cell batch production, open formation discharges can not be ignored.Open formation very easily causes the invasion of moisture in addition, and electrolyte is easy and the water reaction, generates hydrofluoric acid and gas, affects the chemical property of battery, and severe patient can cause scrapping of battery.A small amount of water just can cause fatefulue destruction to battery, and strictly controlling workshop humidity needs to be equipped with dehumidification equipment, can make the battery manufacture cost increase.In sum, the gas discharging of high capacity lithium ion battery open formation has become problem demanding prompt solution in the lithium ion battery production process.
The utility model content
The purpose of this utility model is the drawback for prior art, provides a kind of high capacity lithium ion battery to change into gas collecting apparatus, thereby effectively collects the gas that produces in formation process, intercepts simultaneously airborne moisture content and invades battery.
Problem described in the utility model realizes with following technical proposals:
A kind of high capacity lithium ion battery changes into gas collecting apparatus, special feature is, it comprises gas collection storehouse and getter air bag, described gas collection storehouse is cavity structure, the gas collection storehouse upper buckle lid that closes, on be covered with the air bag installing port, the getter Air sac cover is contained on the air bag installing port and communicates with the gas collection storehouse, bottom, gas collection storehouse is provided with gas feed, and gas collection is provided with check (non-return) valve in the storehouse, and check (non-return) valve is communicated with gas feed.
Above-mentioned high capacity lithium ion battery changes into gas collecting apparatus, and described check (non-return) valve is comprised of air inlet pipe and resilient sleeve, the air inlet pipe top seal, the air inlet pipe both sides are provided with pore, pore is communicated with the middle cavities of air inlet pipe, and described resilient sleeve is sleeved on outside air inlet pipe, and resilient sleeve covers pore.
Above-mentioned high capacity lithium ion battery changes into gas collecting apparatus, and described device also is provided with stuffing box, is provided with battery mounting in the casing of stuffing box, and the case lid with the airtight fastening of casing is established on stuffing box top, and case lid is provided with exhaust outlet, and exhaust ports is provided with internal thread.
Above-mentioned high capacity lithium ion battery changes into gas collecting apparatus, and the gas feed in described gas collection storehouse is provided with external screw thread and sealing gasket.
Above-mentioned high capacity lithium ion battery changes into gas collecting apparatus, and described gas collection storehouse and upper cover screw thread screw.
The utility model changes into exhausting problem and has designed a kind of gas collecting apparatus for solving high capacity lithium ion battery, and described gas collecting apparatus comprises gas collection storehouse, getter air bag and stuffing box.Adopt this device that the gas that changes into generation is stored in gas collection storehouse and getter air bag, battery the inflatable problem can not occur.Described device good seal, can intercept airborne moisture and enter inside battery, guaranteed to change into battery quality, improve product percent of pass, and the gas that changes into generation due to battery is collected, eliminate the drawback of formation gas pollution workshop condition, can save the input of formation workshop desiccant dehumidification equipment simultaneously.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model gas collection storehouse and getter air bag;
Fig. 2 is the structural representation of the utility model stuffing box;
Fig. 3 is that the utility model uses view (when not using stuffing box);
Fig. 4 is that the utility model uses view (when using stuffing box).
In figure, each list of reference numerals is: 1, gas collection storehouse, 2, upper cover, 3, the air bag installing port, 4, the getter air bag, 5, resilient sleeve, 6, air inlet pipe, 6-1, pore, 7, gas feed, 8, sealing gasket, 9, stuffing box, 10, case lid, 11, exhaust outlet, 12, battery mounting, 13, the monomer energy-storage lithium battery.
Embodiment
Referring to Fig. 1-3, the utility model comprises gas collection storehouse 1 and getter air bag 4.Described gas collection storehouse is cavity structure, and gas collection storehouse 1 is the main body of described gas collecting apparatus, and it is made by the good electrical insulating material of air-tightness, as PET plastics, PP plastics, PE plastics or vulcanie etc.The mode that top, gas collection storehouse is screwed and the airtight fastening of upper cover 2, on be covered with air bag installing port 3, getter air bag 4 is sleeved on the air bag installing port and communicates with the gas collection storehouse, the getter air bag adopts good butyl rubber or the aluminum-plastic composite membrane manufacturing of air-tightness.When the gas of collecting increases gradually, air bag launches gradually, and the degree of airbag deployment can show that battery changes into gassing rate and collects what of tolerance.Be provided with gas feed 7 in bottom, gas collection storehouse, be provided with check (non-return) valve in the gas collection storehouse, check (non-return) valve is communicated with gas feed.Described check (non-return) valve is comprised of air inlet pipe 6 and resilient sleeve 5, the air inlet pipe top seal, and air inlet pipe both sides are provided with pore 6-1, and pore is communicated with the middle cavities of air inlet pipe.Described resilient sleeve 5 is sleeved on outside air inlet pipe, and resilient sleeve covers pore.Resilient sleeve is made by the macromolecular elastomer of electrolyte resistance, can be ethylene/propene copolymer thermoplastic elastomer (s), ethylene-propylene diene copolymer, polyesters thermoplastic elastomer (s) etc.It is 0.005-0.01Mpa that the reverse valve of gas collecting apparatus is opened the valve set point, and namely inside battery air pressure is slightly greater than external pressure, and gas can flow to the gas collection storehouse through reverse valve and enter in the getter air bag.The external screw thread that is provided with sealing gasket 8 at gas feed 7 places and can screws with the exhaust outlet coupling of battery liquid-filling mouth or stuffing box, sealing gasket can play the effect of leaking gas of preventing to gas feed place.
Referring to Fig. 3, this is the schematic diagram of the utility model when being used for monomer plastics energy-storage battery 4 and changing into.When changing into, the gas feed 7 of described gas collecting apparatus can be directly installed on place, battery liquid-filling hole.
Referring to Fig. 2, device described in the utility model also is provided with the stuffing box 9 that holds battery, is provided with the battery mounting 12 for self-contained battery in the casing of stuffing box, and the case lid 10 with the airtight fastening of casing is established on stuffing box top, case lid is provided with exhaust outlet 11, and exhaust ports is provided with internal thread.
Referring to Fig. 4, this is the schematic diagram of the utility model when being used for square aluminum hull formation of Li-ion batteries.The battery of packing in stuffing box 9, the quantity of battery of packing into equals the quantity of a charger chargeable battery, charging electric wire and connector pass the stuffing box tank wall and do encapsulation process, and on the external screw thread that gas feed 7 is arranged and case lid, internal thread and the coupling at exhaust outlet 11 places screws.
Employing the utility model battery by taking off on battery or stuffing box, is opened the upper cover in gas collection storehouse with gas collecting apparatus after changing into and completing in the ventilation, collected gas is discharged get final product.
Claims (5)
1. a high capacity lithium ion battery changes into gas collecting apparatus, it is characterized in that, it comprises gas collection storehouse (1) and getter air bag (4), described gas collection storehouse is cavity structure, the gas collection storehouse upper buckle lid (2) that closes, on be covered with air bag installing port (3), getter air bag (4) is sleeved on the air bag installing port and communicates with the gas collection storehouse, bottom, gas collection storehouse is provided with gas feed (7), and gas collection is provided with check (non-return) valve in the storehouse, and check (non-return) valve is communicated with gas feed.
2. high capacity lithium ion battery according to claim 1 changes into gas collecting apparatus, it is characterized in that, described check (non-return) valve is comprised of air inlet pipe (6) and resilient sleeve (5), the air inlet pipe top seal, the air inlet pipe both sides are provided with pore (6-1), pore is communicated with the middle cavities of air inlet pipe, and described resilient sleeve (5) is sleeved on outside air inlet pipe, and resilient sleeve covers pore.
3. high capacity lithium ion battery according to claim 1 and 2 changes into gas collecting apparatus, it is characterized in that, described device also is provided with stuffing box (9), be provided with battery mounting (12) in the casing of stuffing box, the case lid (10) with the airtight fastening of casing is established on stuffing box top, case lid is provided with exhaust outlet (11), and exhaust ports is provided with internal thread.
4. high capacity lithium ion battery according to claim 3 changes into gas collecting apparatus, it is characterized in that, the gas feed (7) in described gas collection storehouse is provided with external screw thread and sealing gasket (8).
5. high capacity lithium ion battery according to claim 4 changes into gas collecting apparatus, it is characterized in that, described gas collection storehouse (1) screws with upper cover (2) screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202271032U CN203260685U (en) | 2013-04-28 | 2013-04-28 | High-capacity lithium ion battery forming gas collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202271032U CN203260685U (en) | 2013-04-28 | 2013-04-28 | High-capacity lithium ion battery forming gas collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203260685U true CN203260685U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202271032U Expired - Lifetime CN203260685U (en) | 2013-04-28 | 2013-04-28 | High-capacity lithium ion battery forming gas collecting device |
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| Country | Link |
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| CN (1) | CN203260685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700887A (en) * | 2014-01-03 | 2014-04-02 | 国家电网公司 | Lithium titanate battery opening formation device and opening formation method |
| CN104091902A (en) * | 2014-07-15 | 2014-10-08 | 惠州威健锂能电子有限公司 | Disposable lithium-ion battery with heat-shrinkable plastic thin-film shell and manufacturing method thereof |
-
2013
- 2013-04-28 CN CN2013202271032U patent/CN203260685U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700887A (en) * | 2014-01-03 | 2014-04-02 | 国家电网公司 | Lithium titanate battery opening formation device and opening formation method |
| CN104091902A (en) * | 2014-07-15 | 2014-10-08 | 惠州威健锂能电子有限公司 | Disposable lithium-ion battery with heat-shrinkable plastic thin-film shell and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160721 Address after: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee after: FENGFAN Co.,Ltd. Address before: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee before: FENGFAN Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |