CN209329064U - A kind of rechargeable lithium battery that self-discharge rate performance is good - Google Patents
A kind of rechargeable lithium battery that self-discharge rate performance is good Download PDFInfo
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- CN209329064U CN209329064U CN201920387418.0U CN201920387418U CN209329064U CN 209329064 U CN209329064 U CN 209329064U CN 201920387418 U CN201920387418 U CN 201920387418U CN 209329064 U CN209329064 U CN 209329064U
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- Prior art keywords
- isolation film
- lithium battery
- fixed
- self
- discharge rate
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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 relates to technical field of lithium batteries, and disclose a kind of rechargeable lithium battery that self-discharge rate performance is good, including li battery shell, the inside of li battery shell is fixed with positive plate and negative electrode tab, the first isolation film is provided between positive plate and negative electrode tab, the upper end of positive plate and negative electrode tab is fixed with positive pole ear and negative lug respectively, the upper end of positive pole ear and negative lug is fixed with positive terminal and negative terminal respectively, the upper end of positive terminal and negative terminal is run through the top of li battery shell and is upwardly extended, the top inner wall of li battery shell is fixed with the second isolation film, second isolation film is also fixedly connected with the side wall of li battery shell, it is fixedly connected on the upside of the downside of second isolation film and the first isolation film, the outside of li battery shell is connected with U-shaped coldplate.The utility model can reduce the self-discharge rate of lithium battery, while lithium battery can effectively radiate to it in charging.
Description
Technical field
The utility model relates to technical field of lithium batteries more particularly to a kind of chargeable lithium that self-discharge rate performance is good electricity
Pond.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that " lithium battery ", which is a kind of,.
Lithium metal battery is proposed and is studied by Gilbert N.Lewis earliest within 1912.When the 1970s,
M.S.Whittingham is proposed and the lithium ion battery that begins one's study.Since the chemical characteristic of lithium metal is very active, so that lithium is golden
Processing, preservation, the use of category, it is very high to environmental requirement.With the development of science and technology, present lithium battery has become master
Stream.
Rechargeable lithium battery is opened a way under regulation environment at present shelves a period of time, and electricity can lose one for various reasons
Part, and the ratio of remaining capacity and original electricity, are exactly self-discharge rate, and the self-discharge rate of rechargeable lithium battery is high currently on the market
The main reason for be battery during the manufacturing, be mixed into some dust impurities, these impurity attribute complexity can cause just
The slight conducting of cathode is easy so that charging neutrality, electricity is impaired, and the heat dissipation effect of rechargeable lithium battery is bad.
Utility model content
Purpose of the utility model is to solve rechargeable lithium battery self-discharge rate in the prior art is higher and chargeable
The bad problem of the heat dissipation effect of lithium battery, and the rechargeable lithium battery that a kind of self-discharge rate performance of proposition is good.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of rechargeable lithium battery that self-discharge rate performance is good, including li battery shell, the inside of the li battery shell
It is fixed with positive plate and negative electrode tab, is provided with the first isolation film between the positive plate and negative electrode tab, the positive plate and negative
The upper end of pole piece is fixed with positive pole ear and negative lug respectively, and the upper end of the positive pole ear and negative lug is fixed respectively
Equipped with positive terminal and negative terminal, the upper end of the positive terminal and negative terminal is run through the top of li battery shell and is upwardly extended,
The top inner wall of the li battery shell is fixed with the second isolation film, second isolation film also with the side wall of li battery shell
It is fixedly connected, is fixedly connected on the upside of the downside of second isolation film and the first isolation film, the outside of the li battery shell
It is connected with U-shaped coldplate, the inside of the U-shaped coldplate is equipped with cooling chamber, and the inside of the cooling chamber is equipped with coolant liquid.
Preferably, two vertical portions upper end of the U-shaped coldplate is fixed with sleeve, the inside of two sleeves
Slidably connect mobile bar, the lower end of two mobile bars is fixed with spring, the lower end of two springs with
The intracavity bottom of the corresponding sleeve is fixedly connected, and the outside of the corresponding sleeve is extended in the upper end of two mobile bars
And it is fixed with L shape snap-gauge, two L shape snap-gauges are clamped with the top two sides of li battery shell.
Preferably, the top side wall of the U-shaped coldplate and bottom offer inlet and liquid outlet, the feed liquor respectively
The inside of mouth and liquid outlet is threaded with sealing block.
Preferably, the through part of the positive terminal and negative terminal and li battery shell is fixed with sealing ring.
Preferably, the sealing ring, the first isolation film and the second isolation film are all made of silica gel and are made.
Preferably, the coolant liquid uses ice water.
Compared with prior art, the utility model provides a kind of rechargeable lithium battery that self-discharge rate performance is good, has
Below the utility model has the advantages that
1, the good rechargeable lithium battery of the self-discharge rate performance, by be arranged between positive plate and negative electrode tab first every
From the second isolation film between film and positive terminal and negative terminal, it can be avoided the impurity being mixed into li battery shell and cause anode
The phenomenon that piece and negative electrode tab and positive terminal and negative terminal are slightly connected, to reduce the self-discharge rate of lithium battery.
2, the good rechargeable lithium battery of the self-discharge rate performance, by the way that the U-shaped coldplate outside li battery shell is arranged in
And the coolant liquid inside U-shaped coldplate is set, lithium battery can effectively radiate to it, in charging by setting
Sleeve, mobile bar, spring and L shape snap-gauge on U-shaped coldplate are set, mobile bar is pulled to make L shape snap-gauge and li battery shell
Top clamping, so as to which U-shaped coldplate to be clamped on to the outside of li battery shell.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
The self-discharge rate of lithium battery is can reduce, while lithium battery can effectively radiate to it in charging.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of good rechargeable lithium battery of self-discharge rate performance structural schematic diagram；
Fig. 2 is the structural schematic diagram of mobile bar and sleeve connection in Fig. 1.
In figure: 1 li battery shell, 2 positive plates, 3 negative electrode tabs, 4 first isolation films, 5 positive pole ears, 6 positive terminals, 7 second
Isolation film, 8 U-shaped coldplates, 9 sleeves, 10 mobile bars, 11 springs, 12 L shape snap-gauges, 13 sealing rings, 14 sealing blocks, 15 cathode
Tab, 16 negative terminals.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of rechargeable lithium battery that self-discharge rate performance is good, including li battery shell 1, li battery shell
1 inside is fixed with positive plate 2 and negative electrode tab 3, and the first isolation film 4, positive plate 2 are provided between positive plate 2 and negative electrode tab 3
It is fixed with positive pole ear 5 and negative lug 15, the upper end of positive pole ear 5 and negative lug 15 respectively with the upper end of negative electrode tab 3
It is fixed with positive terminal 6 and negative terminal 16 respectively, the top of li battery shell 1 is run through in the upper end of positive terminal 6 and negative terminal 16
And upwardly extend, the top inner wall of li battery shell 1 is fixed with the second isolation film 7, and the second isolation film 7 is gone back and li battery shell
1 side wall is fixedly connected, and the downside of the second isolation film 7 is fixedly connected with the upside of the first isolation film 4, outside li battery shell 1
Portion is connected with U-shaped coldplate 8, and the inside of U-shaped coldplate 8 is equipped with cooling chamber, and the inside of cooling chamber is equipped with coolant liquid.
Two vertical portions upper end of U-shaped coldplate 8 is fixed with sleeve 9, and the inside of two sleeves 9 slidably connects
Mobile bar 10, the lower end of two mobile bars 10 are fixed with spring 11, and the lower end of two springs 11 is interior with corresponding sleeve 9
Bottom of chamber portion is fixedly connected, and the upper end of two mobile bars 10 extends the outside of corresponding sleeve 9 and is fixed with L shape snap-gauge
12, two L shape snap-gauges 12 are clamped with the top two sides of li battery shell 1.
The top side wall of U-shaped coldplate 8 and bottom offer inlet and liquid outlet respectively, inlet and liquid outlet it is interior
Portion is threaded with sealing block 14, convenient for replacing the coolant liquid of U-shaped coldplate 8.
The through part of positive terminal 6 and negative terminal 16 and li battery shell 1 is fixed with sealing ring 13.
Sealing ring 13, the first isolation film 4 and the second isolation film 7 are all made of silica gel and are made, and isolation effect is good.
Coolant liquid uses ice water.
In the utility model, in use, by the way that the first isolation film 4 between positive plate 2 and negative electrode tab 3 and just is arranged in
The second isolation film 7 between pole 6 and negative terminal 16 can be avoided the impurity being mixed into li battery shell 1 and cause 2 He of positive plate
The phenomenon that negative electrode tab 3 and positive terminal 6 and negative terminal 16 are slightly connected, so that the self-discharge rate of lithium battery is reduced, by setting
The coolant liquid setting the U-shaped coldplate 8 outside li battery shell 1 and being arranged in inside U-shaped coldplate 8, lithium battery are charging
When, it can effectively be radiated to it, pass through sleeve 9, mobile bar 10, spring 11 and the L shape being arranged on U-shaped coldplate 8
Snap-gauge 12, the top for pulling mobile bar 10 to make L shape snap-gauge 12 and li battery shell 1 are clamped, so as to by U-shaped coldplate 8
It is clamped on the outside of li battery shell 1.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of rechargeable lithium battery that self-discharge rate performance is good, including li battery shell (1), which is characterized in that the lithium electricity
The inside of pond shell (1) is fixed with positive plate (2) and negative electrode tab (3), is arranged between the positive plate (2) and negative electrode tab (3)
Have the first isolation film (4), the upper end of the positive plate (2) and negative electrode tab (3) is fixed with positive pole ear (5) and cathode pole respectively
The upper end of ear (15), the positive pole ear (5) and negative lug (15) is fixed with positive terminal (6) and negative terminal (16) respectively,
The upper end of the positive terminal (6) and negative terminal (16) is run through the top of li battery shell (1) and is upwardly extended, the lithium battery
The top inner wall of shell (1) is fixed with the second isolation film (7), side of second isolation film (7) also with li battery shell (1)
Wall is fixedly connected, and is fixedly connected on the upside of the downside and the first isolation film (4) of second isolation film (7), outside the lithium battery
The outside of shell (1) is connected with U-shaped coldplate (8), and the inside of the U-shaped coldplate (8) is equipped with cooling chamber, the cooling chamber it is interior
Portion is equipped with coolant liquid.
2. a kind of good rechargeable lithium battery of self-discharge rate performance according to claim 1, which is characterized in that the U-shaped
Two vertical portions upper end of coldplate (8) is fixed with sleeve (9), and the inside of two sleeves (9) slidably connects
The lower end of mobile bar (10), two mobile bars (10) is fixed with spring (11), the lower end of two springs (11)
It is fixedly connected with the intracavity bottom of the corresponding sleeve (9), corresponding institute is extended in the upper end of two mobile bars (10)
State the outside of sleeve (9) and be fixed with L shape snap-gauge (12), two L shape snap-gauges (12) with li battery shell (1)
The clamping of top two sides.
3. a kind of good rechargeable lithium battery of self-discharge rate performance according to claim 1, which is characterized in that the U-shaped
The top side wall of coldplate (8) and bottom offer inlet and liquid outlet respectively, and the inside of the inlet and liquid outlet is equal
It is threaded with sealing block (14).
4. a kind of good rechargeable lithium battery of self-discharge rate performance according to claim 1, which is characterized in that the anode
Column (6) and negative terminal (16) and the through part of li battery shell (1) are fixed with sealing ring (13).
5. a kind of good rechargeable lithium battery of self-discharge rate performance according to claim 4, which is characterized in that the sealing
It encloses (13), the first isolation film (4) and the second isolation film (7) are all made of silica gel and are made.
6. a kind of good rechargeable lithium battery of self-discharge rate performance according to claim 1, which is characterized in that the cooling
Liquid uses ice water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387418.0U CN209329064U (en) | 2019-03-26 | 2019-03-26 | A kind of rechargeable lithium battery that self-discharge rate performance is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387418.0U CN209329064U (en) | 2019-03-26 | 2019-03-26 | A kind of rechargeable lithium battery that self-discharge rate performance is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209329064U true CN209329064U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920387418.0U Expired - Fee Related CN209329064U (en) | 2019-03-26 | 2019-03-26 | A kind of rechargeable lithium battery that self-discharge rate performance is good |
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| CN (1) | CN209329064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048727A (en) * | 2019-12-27 | 2020-04-21 | 盐城师范学院 | Lithium ion battery pole piece structure |
-
2019
- 2019-03-26 CN CN201920387418.0U patent/CN209329064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048727A (en) * | 2019-12-27 | 2020-04-21 | 盐城师范学院 | Lithium ion battery pole piece structure |
| CN111048727B (en) * | 2019-12-27 | 2020-10-02 | 盐城师范学院 | Lithium ion battery pole piece structure |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20200326 |