CN208622807U - A kind of lithium battery coiling core - Google Patents
A kind of lithium battery coiling core Download PDFInfo
- Publication number
- CN208622807U CN208622807U CN201821121476.0U CN201821121476U CN208622807U CN 208622807 U CN208622807 U CN 208622807U CN 201821121476 U CN201821121476 U CN 201821121476U CN 208622807 U CN208622807 U CN 208622807U
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- Prior art keywords
- lithium battery
- battery
- coiling core
- positive plate
- shell
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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 a kind of lithium battery coiling cores, including li battery shell and lithium battery inner casing, the inside of the li battery shell is embedded with lithium battery inner casing, and it is sequentially filled heat-conducting layer and insulating layer from inside to outside between lithium battery inner casing and li battery shell, the inside packet of the lithium battery inner casing is equipped with lithium battery coiling core, the two sides of the lithium battery coiling core are connected separately with positive plate and negative electrode tab, fixed swivel nut is arranged on the positive plate and negative electrode tab with li battery shell joint place, and positive plate and the outboard end of negative electrode tab are arranged with nut cap.In the utility model, li battery shell inner surface is equipped with insulating layer, it can prevent influence of the high temperature to battery, it is fixed with gasket on li battery shell inner surface, there is anti-seismic performance, lithium battery coiling core is using colloid acid, can any direction place work, and lithium battery pole on piece is provided with fixed swivel nut, can fix pole piece, prevents pole piece shaking from causing to fall off.
Description
Technical field
The utility model relates to technical field of lithium batteries more particularly to a kind of lithium battery coiling cores.
Background technique
Since the 1980s, the U.S. produces spiral winding battery always with super starting current, powerful antidetonation
Ability, and brilliant high temperature performance and superpower service life cycle and chased by numerous car fans, BMW, run quickly,
The high-end vehicle such as JEEP is always using spiral winding battery as the battery of standard configuration.It is especially cross-country in 4 wheel driven, automobile repacking, automobile
Sound equipment, automobile starting, industry, the fields such as peculiar to vessel and military markets, compellent quality and performance are constantly subjected in the industry specially
Industry personage and enthusiast's pursues.The helical structure patent that the battery uses came into force for 1973, and 2003 formally over failure
But the problem of because of its production technology and formula, almost few producers can produce similar product in the whole world, in vapour
Vehicle battery most significant end market is monopolized by American blend always, still because external import battery attached a large amount of tariff and
Freight, so price can not have always been high any more, but also vast ordinary consumer is hung back, domestic consumer mostly is always
It has no idea to buy the best battery of performance with less price.
Traditional lithium battery pond core is relatively simple, and lithium battery coiling core does not have shell, and positive/negative plate is connected directly between in core,
This causes positive and negative pole material to be easy to fall off, and the direct ingress of air of positive/negative plate, which is easy to electric discharge, makes electricity be difficult to save.
Summary of the invention
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of lithium battery coiling proposed
Core.
To achieve the goals above, the utility model adopts the technical scheme that a kind of lithium battery coiling core, including lithium electricity
Pond shell and lithium battery inner casing, the inside of the li battery shell are embedded with lithium battery inner casing, and lithium battery inner casing and lithium battery
Heat-conducting layer and insulating layer are sequentially filled between shell from inside to outside, the inside packet of the lithium battery inner casing is equipped with lithium battery coiling
Core, the two sides of the lithium battery coiling core are connected separately with positive plate and negative electrode tab, and positive plate and negative electrode tab are not at same water
In plane, and positive plate and the negative electrode tab other end extend to the outside of li battery shell, the positive plate and negative electrode tab and lithium
Battery case joint place is arranged with fixed swivel nut, and positive plate and the outboard end of negative electrode tab are arranged with nut cap.
Preferably, the li battery shell both ends are respectively and fixedly provided with gasket, and the li battery shell is equipped with lithium battery epidermis,
And lithium battery epidermis inner surface is fitted and connected with gasket.
Preferably, the fixed swivel nut close to the outer surface of li battery shell be along the circumferential direction uniformly arranged there are four safety
Valve opening.
Preferably, the lithium battery coiling core starts to wind along positive one end, and positive plate is at lithium battery coiling core center, bears
Pole piece is in lithium battery coiling core edge.
Preferably, the positive plate is rectangular parallelepiped structure, and positive leaf length is less than the diameter of nut cap.
Preferably, the lithium battery coiling core is a kind of cylindrical-shaped structure being made of positive coiled material, diaphragm and cathode coiled material,
Positive plate is fixed on positive coiled material side, and negative electrode tab is fixed on cathode coiled material side.
Preferably, the insulating layer and heat-conducting layer are to be fitted and connected.
Compared with prior art, the utility model has the beneficial effects that in the utility model, firstly, in li battery shell
Surface is equipped with insulating layer, can prevent influence of the high temperature to battery, is then fixed with gasket on li battery shell inner surface, tool
Have an excellent anti-seismic performance, and lithium battery coiling core is using colloid acid, no free electrolyte, can any direction place work,
Secondary, lithium battery pole on piece is provided with fixed swivel nut, can fix pole piece, prevents pole piece shaking from causing to fall off.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of lithium battery coiling core structural schematic diagram；
Fig. 2 be the utility model proposes a kind of lithium battery coiling core left view；
Fig. 3 be the utility model proposes a kind of lithium battery coiling core right view.
In figure: 1, li battery shell；2, lithium battery epidermis；3, lithium battery inner casing；4, nut cap；5, positive plate；6, gasket；7,
Heat-conducting layer；8, insulating layer；9, negative electrode tab；10, fixed swivel nut；11, lithium battery coiling core；12, safe valve opening.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1-3, a kind of embodiment provided by the utility model: a kind of lithium battery coiling core, including 1 He of li battery shell
Lithium battery inner casing 3, the inside of li battery shell 1 are embedded with lithium battery inner casing 3, and between lithium battery inner casing 3 and li battery shell 1
It is sequentially filled heat-conducting layer 7 and insulating layer 8 from inside to outside, insulating layer 8 can prevent external factor from causing to inside battery core
It influences, the inside packet of lithium battery inner casing 3 is equipped with lithium battery coiling core 11, and the two sides of lithium battery coiling core 11 are connected separately with positive plate 5
With negative electrode tab 9, and positive plate 5 and negative electrode tab 9 are not in same level, and positive plate 5 and 9 other end of negative electrode tab extend
To the outside of li battery shell 1, positive plate 5 and negative electrode tab 9 and li battery shell joint place are arranged with fixed swivel nut 10, fixed
Swivel nut 10 has the function of fixed pole piece, prevents pole piece because shaking causes to fall off, and positive plate 5 and the outboard end of negative electrode tab 9 are equal
It is arranged with nut cap 4；
1 both ends of li battery shell are respectively and fixedly provided with gasket 6, and gasket 6 has antihunt action, and li battery shell 1 is equipped with lithium battery
Epidermis 2, lithium battery epidermis 2 mainly has waterproof action, and 2 inner surface of lithium battery epidermis is fitted and connected with gasket 6, fixed spiral shell
Set 10 is along the circumferential direction uniformly arranged close to the outer surface of li battery shell 1 there are four safe valve opening 12, and safe valve opening 12 is main
With explosion-proof, reduce the harm of lithium battery, lithium battery coiling core 11 starts to wind along positive one end, and positive plate 5 is in lithium electricity
At the core center of pond, negative electrode tab 9 is at 11 edge of lithium battery coiling core side, and positive plate 5 is rectangular parallelepiped structure, and 5 length of positive plate
Less than the diameter of nut cap 4, lithium battery coiling core 11 is a kind of cylindrical-shaped structure being made of positive coiled material, diaphragm and cathode coiled material,
Positive plate 5 is fixed on positive coiled material side, and negative electrode tab 9 is fixed on cathode coiled material side, and the insulating layer 8 and heat-conducting layer 7 are patches
Close connection.
Working principle: lithium battery coiling core is made of positive coiled material, diaphragm and cathode coiled material, according to positive coiled material, diaphragm
It is stacked with the sequence of cathode coiled material, then cuts off after winding several layers and formed after pasting adhesive tape, positive plate 5 is fixed on anode
Coiled material side, negative electrode tab 9 are fixed on cathode coiled strip side, the anode of material are connect with the positive plate 5 of lithium battery coiling core, by material
Material cathode is connected with the negative electrode tab 9 of lithium battery coiling core, and such battery can discharge, then just operable.
Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (7)
1. a kind of lithium battery coiling core, including li battery shell (1) and lithium battery inner casing (3), it is characterised in that: outside the lithium battery
The inside of shell (1) is embedded with lithium battery inner casing (3), and between lithium battery inner casing (3) and li battery shell (1) from inside to outside successively
Filled with heat-conducting layer (7) and insulating layer (8), the inside packet of the lithium battery inner casing (3) is equipped with lithium battery coiling core (11), the lithium
The two sides of battery roll core (11) are connected separately with positive plate (5) and negative electrode tab (9), and positive plate (5) and negative electrode tab (9) are not at
In same level, and positive plate (5) and negative electrode tab (9) other end extend to the outside of li battery shell (1), the anode
Piece (5) and negative electrode tab (9) and li battery shell joint place are arranged with fixed swivel nut (10), and positive plate (5) and negative electrode tab (9)
Outboard end be arranged with nut cap (4).
2. a kind of lithium battery coiling core according to claim 1, it is characterised in that: li battery shell (1) both ends are solid
Surely have gasket (6), the li battery shell (1) is equipped with lithium battery epidermis (2), and lithium battery epidermis (2) inner surface and gasket
(6) it is fitted and connected.
3. a kind of lithium battery coiling core according to claim 1, it is characterised in that: the fixed swivel nut (10) is close to lithium battery
The outer surface of shell (1) is along the circumferential direction uniformly arranged there are four safe valve opening (12).
4. a kind of lithium battery coiling core according to claim 1, it is characterised in that: the lithium battery coiling core (11) is along anode one
End starts to wind, and positive plate (5) is at lithium battery coiling core center, and negative electrode tab (9) is in lithium battery coiling core (11) edge.
5. a kind of lithium battery coiling core according to claim 1, it is characterised in that: the positive plate (5) is rectangular parallelepiped structure,
And positive plate (5) length is less than the diameter of nut cap (4).
6. a kind of lithium battery coiling core according to claim 1, it is characterised in that: the lithium battery coiling core (11) be it is a kind of by
The cylindrical-shaped structure of positive coiled material, diaphragm and cathode coiled material composition, the positive plate (5) are fixed on positive coiled material side, cathode
Piece (9) is fixed on cathode coiled material side.
7. a kind of lithium battery coiling core according to claim 1, it is characterised in that: the insulating layer (8) and heat-conducting layer (7) are
It is fitted and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121476.0U CN208622807U (en) | 2018-07-16 | 2018-07-16 | A kind of lithium battery coiling core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121476.0U CN208622807U (en) | 2018-07-16 | 2018-07-16 | A kind of lithium battery coiling core |
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| Publication Number | Publication Date |
|---|---|
| CN208622807U true CN208622807U (en) | 2019-03-19 |
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ID=65705658
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821121476.0U Active CN208622807U (en) | 2018-07-16 | 2018-07-16 | A kind of lithium battery coiling core |
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| CN (1) | CN208622807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247120A (en) * | 2019-06-18 | 2019-09-17 | 枣庄学院 | A kind of explosion-proof heat dissipation lithium cell encapsulation construction |
-
2018
- 2018-07-16 CN CN201821121476.0U patent/CN208622807U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247120A (en) * | 2019-06-18 | 2019-09-17 | 枣庄学院 | A kind of explosion-proof heat dissipation lithium cell encapsulation construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190726 Address after: 620000 Office of Management Committee of Ganmei Industrial Park, Meishan City, Sichuan Province Patentee after: Sichuan state into a battery material Co., Ltd. Address before: Group of Jiuqu Residential Committee of Anhu Street, Yandu District, Yancheng City, Jiangsu Province (S) Patentee before: Yancheng City baishda Building Material Co., Ltd. |
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| TR01 | Transfer of patent right |