CN202094226U - Maintainable lithium ion battery with one-way valve - Google Patents
Maintainable lithium ion battery with one-way valve Download PDFInfo
- Publication number
- CN202094226U CN202094226U CN2011201570292U CN201120157029U CN202094226U CN 202094226 U CN202094226 U CN 202094226U CN 2011201570292 U CN2011201570292 U CN 2011201570292U CN 201120157029 U CN201120157029 U CN 201120157029U CN 202094226 U CN202094226 U CN 202094226U
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- China
- Prior art keywords
- ion battery
- battery
- lithium
- valve
- check valve
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a maintainable lithium ion battery with a one-way valve, which comprises a shell, a positive plate, a negative plate, electrolyte, a positive pole and a negative pole, wherein the one-way valve is arranged on the shell. The problem of leakage of the battery, which is caused by poor sealing, ageing of seal parts and the like during long-term use, can be avoided by the aid of the one-way valve. Further, by means of arrangement of the one-way valve, components of the battery can be reduced, manufacturing of the battery is simplified, and the battery is convenient in maintenance.
Description
Technical field
The utility model relates to lithium ion battery, particularly a kind of check valve-type maintainable lithium-ion battery.
Background technology
Lithium ion battery is a kind of novel storage battery, the charge efficiency height, discharge memory is almost nil, discharging current is big, in light weight, be applicable to repeatedly to discharge and recharge.Lithium ion battery is made up of positive plate, negative plate and electrolyte usually, and electrolyte wherein is easy to decompose and reduces, thereby causes problems such as charging capacity reduces, discharging current deficiency.
In order to address the above problem, realize the long-life of lithium-ion-power cell, someone has proposed lithium ion battery is carried out fluid infusion and/or the idea of the maintenance of bleeding, these ideas are on packaging bag or housing passage to be set, the opening part that passage is in communication with the outside adopts openable mode to seal, and by the passage that is provided with battery is carried out fluid infusion and/or the maintenance of bleeding.
Though above-mentioned measure can realize safeguarding of battery to a certain extent, but because its set passage has adopted openable mode to seal, therefore dress up in battery pack or the long use in battery pack, the problem of sealing place leakage may occur causing owing to reasons such as personnel's misoperation, material corrosion, device aging, vibrations, this will have a strong impact on the serviceability of battery.In addition, in order to realize sealing in openable mode, must need corresponding sealing device, complexity and manufacture difficulty that this has increased battery have on the one hand improved the preparation cost of battery; On the other hand, make the sealed opening place need protrude battery container or packaging bag, cause battery to occupy bigger space, thereby reduced the volume of battery energy density, and when battery pack is dressed up group, bring greater inconvenience.
Therefore, need a kind of check valve-type maintainable lithium-ion battery to address the above problem.
The utility model content
For remedying above-mentioned deficiency, the utility model provides a kind of energy to replenish electrolytical check valve-type maintainable lithium-ion battery.
Check valve-type maintainable lithium-ion battery of the present utility model comprises shell, positive/negative plate, electrolyte and positive and negative terminals, and this shell is provided with unidirectional valve.
Preferably, this shell is provided with a plurality of these unidirectional valves, wherein, has at least a unidirectional valve can be used for replenishing electrolyte, also has at least a unidirectional valve can be used for extracting out the gas of inside battery.
Preferably, this unidirectional valve is located at this positive and negative terminals one end.
Preferably, adopt PUR or resin glue bonding between this unidirectional valve and this shell.
Preferably, this unidirectional valve comprises that valve body, little sealing gasket, guiding valve, big sealing gasket and sealing connect mouth, this valve body is socketed in sealing and connects in the mouth, between the position of contact, be provided with this big sealing gasket at this valve body and sealing nozzle connecting axis, be provided with a cavity in the inside of this valve body, this guiding valve is arranged in this this cavity, and an end of this guiding valve contacts with this big sealing gasket, and the other end of this cavity is provided with this little sealing gasket.
Preferably, lithium ion battery is a kind of in rectangular cell, cylindrical battery, thin slice battery, flexible-packed battery, box hat battery, aluminum-shell battery or the plastic housing battery.
Preferably, lithium ion battery adopts at least a in liquid electrolyte, colloidal electrolyte, polymer dielectric and the ceramic electrolyte.
Preferably, lithium ion battery adopts at least a in takeup type structure or the laminated structure.
The invention also discloses a kind of battery pack, this battery pack comprises above-mentioned check valve-type maintainable lithium-ion battery.
The utility model further discloses a kind of electric motor car, and this electric motor car has used above-mentioned check valve-type maintainable lithium-ion battery.
According to check valve-type lithium ion battery of the present utility model, owing to adopted unidirectional valve, therefore can prevent the generation of battery leakage problem, can also avoid in long-term use, producing that sealing is loosening, seal is aging etc. causes the problem of battery leakage simultaneously.Adopt this mode in addition, can reduce battery components, simplify the battery manufacturing, be convenient to battery maintenance simultaneously.
Description of drawings
Fig. 1 is the schematic diagram according to the check valve-type maintainable lithium-ion battery of an embodiment of the utility model;
Fig. 2 is the schematic diagram of the unidirectional valve of check valve-type maintainable lithium-ion battery shown in Figure 1.
Embodiment
In the following description, having provided a large amount of concrete details understands the utility model more completely so that provide.Yet, it will be apparent to one skilled in the art that the utility model can need not one or more these details and implemented.In other example,, be not described for technical characterictics more well known in the art for fear of obscuring with the utility model.
In order thoroughly to understand the utility model, detailed structure will be proposed in following description.Obviously, execution of the present utility model is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present utility model is described in detail as follows, yet except these were described in detail, the utility model can also have other execution modes.
Below in conjunction with embodiment the utility model check valve-type maintainable lithium-ion battery is done detailed explanation.
Fig. 1 is the schematic diagram according to the check valve-type maintainable lithium-ion battery of an embodiment of the utility model.
Check valve-type maintainable lithium-ion battery of the present utility model comprises shell 1, positive/negative plate 2, electrolyte and positive and negative terminals 3, and shell 1 is provided with unidirectional valve 4.Can replenish electrolyte to inside battery by this unidirectional valve 4.
Fig. 2 is the schematic diagram of the unidirectional valve 4 of check valve-type maintainable lithium-ion battery shown in Figure 1.Unidirectional valve 4 comprises that valve body 41, little sealing gasket 42, guiding valve 43, big sealing gasket 44 and sealing connect mouth 45.Valve body 41 is socketed in sealing and connects in the mouth 45, in order to guarantee sealing, is provided with big sealing gasket 44 between the position that both axially contact.Be provided with a cavity in the inside of valve body 41, guiding valve 43 is arranged in this cavity, and an end of guiding valve 43 contacts with above-mentioned big sealing gasket 44.The other end of cavity is provided with above-mentioned little sealing gasket 42.
Be understandable that the unidirectional valve of above-described Fig. 2 only is an object lesson that can adopt, the unidirectional valve in the utility model is not limited thereto.
The quantity of the unidirectional valve that is provided with on the lithium ion battery is not limit, and one or more unidirectional valves can be set.Be provided with under the situation of a plurality of unidirectional valves, having at least a unidirectional valve can be used for replenishing electrolyte, also having at least a unidirectional valve can be used for extracting out the gas of inside battery.Described unidirectional valve can be located at positive and negative terminals one end.
In order further to improve sealing effectiveness, at battery at ordinary times under the user mode, the outer end sealing of unidirectional valve 4.Adopt PUR or resin glue bonding between unidirectional valve 4 and the shell 1, guarantee sealing.
Lithium ion battery in the utility model can be a kind of in rectangular cell, cylindrical battery, thin slice battery, flexible-packed battery, box hat battery, aluminum-shell battery or the plastic housing battery.Wherein can adopt at least a in liquid electrolyte, colloidal electrolyte, polymer dielectric and the ceramic electrolyte.This lithium ion battery can adopt at least a in takeup type structure or the laminated structure.
The utility model further discloses a kind of battery pack, and this battery pack comprises above-mentioned lithium ion battery.
The utility model also further discloses a kind of electric motor car, and it has used above-mentioned lithium ion battery.Electric motor car is at least a in electric bicycle, pure electric automobile, hybrid vehicle and the plug-in hybrid-power automobile.
Check valve-type maintainable lithium-ion battery of the present utility model, after finishing encapsulation and safeguarding, can be with the sealing of check valve inlet end, to guarantee normal use; When needs refitting electrolyte or release internal pressure, open entrance point, pour into electrolyte again or discharge too much air pressure, after handling, the resealing entrance point enters normal use.
According to check valve-type lithium ion battery of the present utility model, owing to adopted unidirectional valve, therefore can prevent the generation of battery leakage problem, can also avoid in long-term use, producing that sealing is loosening, seal is aging etc. causes the problem of battery leakage simultaneously.Adopt this mode in addition, can reduce battery components, simplify the battery manufacturing, be convenient to battery maintenance simultaneously.
The utility model is illustrated by the foregoing description, but should be understood that, the foregoing description just is used for for example and illustrative purposes, but not is intended to the utility model is limited in the described scope of embodiments.It will be understood by those skilled in the art that in addition; the utility model is not limited to the foregoing description; can also make more kinds of variants and modifications according to instruction of the present utility model, these variants and modifications all drop in the utility model scope required for protection.Protection range of the present utility model is defined by the appended claims and equivalent scope thereof.
Claims (2)
1. a check valve-type maintainable lithium-ion battery comprises shell, positive/negative plate, electrolyte and positive and negative terminals, it is characterized in that: described shell is provided with unidirectional valve.
2. check valve-type maintainable lithium-ion battery according to claim 1, it is characterized in that: described shell is provided with a plurality of described unidirectional valves, wherein, have at least a unidirectional valve can be used for replenishing electrolyte, also have at least a unidirectional valve can be used for extracting out the gas of inside battery.
3. check valve-type maintainable lithium-ion battery according to claim 2 is characterized in that: described unidirectional valve is arranged on described positive and negative terminals one end.
4. check valve-type maintainable lithium-ion battery according to claim 3 is characterized in that: adopt PUR or resin glue bonding between described unidirectional valve and the described shell.
5. check valve-type maintainable lithium-ion battery according to claim 4, it is characterized in that: described unidirectional valve comprises that valve body, little sealing gasket, guiding valve, big sealing gasket and sealing connect mouth, described valve body is socketed in described sealing and connects in the mouth, between the position of contact, be provided with described big sealing gasket at described valve body and described sealing nozzle connecting axis, be provided with a cavity in the inside of described valve body, described guiding valve is arranged in this described cavity, one end of described guiding valve contacts with described big sealing gasket, and the other end of described cavity is provided with described little sealing gasket.
6. according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 5, it is characterized in that: described lithium ion battery is a kind of in rectangular cell, cylindrical battery or the thin slice battery.
7. according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 5, it is characterized in that: described lithium ion battery is a kind of in flexible-packed battery, box hat battery, aluminum-shell battery or the plastic housing battery.
8. according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 5, it is characterized in that: described lithium ion battery adopts at least a in liquid electrolyte or the colloidal electrolyte.
9. according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 5, it is characterized in that: described lithium ion battery adopts at least a in polymer dielectric or the ceramic electrolyte.
10. according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 5, it is characterized in that: described lithium ion battery adopts at least a in takeup type structure or the laminated structure.
11. a battery pack is characterized in that: described battery pack comprises according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 10.
12. an electric motor car is characterized in that: described electric motor car has used according to any described check valve-type maintainable lithium-ion battery in the claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201570292U CN202094226U (en) | 2011-05-17 | 2011-05-17 | Maintainable lithium ion battery with one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201570292U CN202094226U (en) | 2011-05-17 | 2011-05-17 | Maintainable lithium ion battery with one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094226U true CN202094226U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201570292U Expired - Lifetime CN202094226U (en) | 2011-05-17 | 2011-05-17 | Maintainable lithium ion battery with one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202094226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037760A (en) * | 2018-06-22 | 2018-12-18 | 王振波 | A kind of maintainable lithium-ion battery and its maintaining method |
| CN114335783A (en) * | 2021-12-29 | 2022-04-12 | 星恒电源股份有限公司 | Method for realizing secondary service life of lithium ion battery and application |
-
2011
- 2011-05-17 CN CN2011201570292U patent/CN202094226U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037760A (en) * | 2018-06-22 | 2018-12-18 | 王振波 | A kind of maintainable lithium-ion battery and its maintaining method |
| CN114335783A (en) * | 2021-12-29 | 2022-04-12 | 星恒电源股份有限公司 | Method for realizing secondary service life of lithium ion battery and application |
| CN114335783B (en) * | 2021-12-29 | 2024-03-29 | 星恒电源股份有限公司 | Method for realizing secondary service life of lithium ion battery and application |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |
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| CX01 | Expiry of patent term |