CN206976409U - A kind of lithium-ion battery shell - Google Patents
A kind of lithium-ion battery shell Download PDFInfo
- Publication number
- CN206976409U CN206976409U CN201720954108.3U CN201720954108U CN206976409U CN 206976409 U CN206976409 U CN 206976409U CN 201720954108 U CN201720954108 U CN 201720954108U CN 206976409 U CN206976409 U CN 206976409U
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- China
- Prior art keywords
- coverboard
- lithium
- ion battery
- thickness
- arcuate structure
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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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- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
Abstract
The utility model provides a kind of lithium-ion battery shell, including square casing, and the square casing includes left housing plate, right coverboard, upper coverboard and lower coverboard, and the inwall of the upper coverboard is the first arcuate structure to raise up, and outer wall is planar structure；The inwall of the lower coverboard is the second arcuate structure to lower recess, and outer wall is planar structure.Above-mentioned lithium-ion battery shell, due to upper coverboard, lower coverboard inwall on be respectively equipped with the first arcuate structure and the second arcuate structure, make coverboard, lower coverboard and the battery core holding certain distance being placed in lithium-ion battery shell, a part of space is remained to the expansion in the middle part of battery core, so as to which the deformation of coverboard, lower coverboard will not be caused, the outward appearance of whole lithium ion battery is not influenceed, also the thickness of battery will not be made to runaway, the effectively thickness of control battery, the demand of client can be met.
Description
Technical field
Battery case field is the utility model is related to, more particularly to a kind of lithium-ion battery shell.
Background technology
Lithium-ion-power cell is widely used in the various aspects of life at present, the important hair as following green energy resource
Direction is opened up, battery not only requires in light weight, higher requirement is it is also proposed to the capacity of battery.For rectangular cell,
While improving capacity, the problem of cell thickness is bad be present, in manufacturing process, easily occur in the middle part of the battery core of battery swollen
It is swollen, cause the thickness of battery to become and runaway greatly, situation in uneven thickness occurs in the outward appearance of battery, does not meet the need of client
Ask.
Utility model content
Based on this, it is necessary to provide a kind of cell thickness controllable lithium-ion battery shell.
A kind of lithium-ion battery shell, including square casing, the square casing include left housing plate, right coverboard, upper coverboard
With lower coverboard, the inwall of the upper coverboard is the first arcuate structure to raise up, and outer wall is planar structure；The lower coverboard
Inwall is the second arcuate structure to lower recess, and outer wall is planar structure.
Above-mentioned technical proposal, due to upper coverboard, lower coverboard inwall on be respectively equipped with the first arcuate structure and the second arc
Shape structure, make coverboard, lower coverboard and the battery core holding certain distance being placed in lithium-ion battery shell, in the middle part of battery core
Expansion remains a part of space, so as to cause the deformation of coverboard, lower coverboard, does not influence the outer of whole lithium ion battery
See, also the thickness of battery will not be made to runaway, effectively control the thickness of battery, the demand of client can be met.
In one of the embodiments, the radian of first arcuate structure and second arcuate structure is consistent.
In one of the embodiments, the radian of first arcuate structure and second arcuate structure is all 0.009
~0.013.
Above-mentioned technical proposal, due to radian is set into 0.009~0.013, it is ensured that battery core has enough in expansion
Expansion space, while coverboard, the thickness of lower coverboard and intensity are also ensure that, meet lithium-ion battery shell intensity and resistance to pressure
Requirement.
In one of the embodiments, the left and right ends of the upper coverboard or the lower coverboard respectively with the left housing plate,
The right coverboard junction is all thickness, and the middle part of the upper coverboard or the lower coverboard is all thinnest part, the thickness
Thickness be 0.6~0.8mm, the thickness of thinnest part is 0.45~0.65mm.
In one of the embodiments, it is any in the left housing plate, the right coverboard, the upper coverboard and the lower coverboard
The link position of two plates is designed with circular arc chamfering.
Above-mentioned technical proposal, due to that provided with circular arc chamfering, can prevent from touching during lithium-ion battery shell is carried
Hurt sb.'s feelings or break article.
In one of the embodiments, the thickness of the left housing plate and right coverboard is all 0.6mm~0.8mm.
Above-mentioned lithium-ion battery shell, due to upper coverboard, lower coverboard inwall on be respectively equipped with the first arcuate structure and
Second arcuate structure, make coverboard, lower coverboard and the battery core holding certain distance being placed in lithium-ion battery shell, to battery core
The expansion at middle part remains a part of space, so as to cause the deformation of coverboard, lower coverboard, does not influence whole lithium-ion electric
The outward appearance in pond, also the thickness of battery will not be made to runaway, effectively control the thickness of battery, the need of client can be met
Ask.
Brief description of the drawings
Fig. 1 is the structural representation of lithium-ion battery shell of the present utility model；
Fig. 2 is Fig. 1 front view；
Fig. 3 is the partial enlarged drawing of location A in Fig. 2；
Fig. 4 is the partial enlarged drawing of B location in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Refer to Fig. 1~4, a kind of lithium-ion battery shell, including square casing 1, square casing 1 include left housing plate 11,
Right coverboard 12, upper coverboard 13 and lower coverboard 14, the inwall of upper coverboard 13 are the first arcuate structure 131 to raise up, and outer wall is
Planar structure；The inwall of lower coverboard 14 is the second arcuate structure 141 to lower recess, and outer wall is planar structure.Wherein, square shell
Body 1 is integrally formed using aluminium sheet punching press.The radian of first arcuate structure 131 and the second arcuate structure 141 is consistent.It is preferred that
, radian is all 0.009~0.013.In the present embodiment, the radian of the first arcuate structure 131 and the second arcuate structure 141 is all
0.011.The left and right ends of upper coverboard 13 or lower coverboard 14 are all respectively thickness 15 with left housing plate 11, the junction of right coverboard 12,
The middle part of upper coverboard 13 or lower coverboard 14 is all thinnest part 16, and the thickness in thickness 15 is 0.6~0.8mm, the thickness of thinnest part 16
Spend for 0.45~0.65mm.In the present embodiment, the thickness in thickness 15 is 0.6mm, and the thickness of thinnest part 16 is 0.45mm.
Preferably, the link position of any two plate is designed with left housing plate 11, right coverboard 12, upper coverboard 13 and lower coverboard 14
Circular arc chamfering 17.The thickness of left housing plate 11 and right coverboard 12 is all 0.6mm~0.8mm.In the present embodiment, left housing plate 11 and the right side
The thickness of coverboard 12 is all 0.8mm.
The use process of above-mentioned lithium-ion battery shell is：Battery core is put into lithium-ion battery shell, and makes battery core
Upper and lower surface middle part protects certain interval between upper coverboard 13, lower coverboard 14 respectively, after be packaged, you can obtain lithium from
Sub- battery.Because the upper and lower surface middle part of battery core keeps certain interval between upper coverboard 13, lower coverboard 14 respectively, work as battery core
When middle part expands, the deformation of square casing 1 will not be caused, the uncontrollable of lithium ion battery thickness will not be caused, meet visitor
The demand at family.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. a kind of lithium-ion battery shell, it is characterised in that including square casing (1), the square casing (1) includes left housing plate
(11), right coverboard (12), upper coverboard (13) and lower coverboard (14), the inwall of the upper coverboard (13) is the first arc to raise up
Shape structure (131), outer wall are planar structure；The inwall of the lower coverboard (14) is the second arcuate structure (141) to lower recess,
Outer wall is planar structure.
A kind of 2. lithium-ion battery shell according to claim 1, it is characterised in that first arcuate structure (131)
It is consistent with the radian of second arcuate structure (141).
A kind of 3. lithium-ion battery shell according to claim 2, it is characterised in that first arcuate structure (131)
Radian with second arcuate structure (141) is all 0.009~0.013.
4. a kind of lithium-ion battery shell according to claim 3, it is characterised in that under the upper coverboard (13) or described
The left and right ends of coverboard (14) are all thickness (15) with the left housing plate (11), right coverboard (12) junction respectively, institute
The middle part for stating coverboard (13) or the lower coverboard (14) is all thinnest part (16), the thickness of the thickness (15) for 0.6~
0.85mm, the thickness of thinnest part (16) is 0.45~0.65mm.
A kind of 5. lithium-ion battery shell according to Claims 1 to 4 any one, it is characterised in that the left housing plate
(11), the link position of any two plate is designed with the right coverboard (12), the upper coverboard (13) and the lower coverboard (14)
Circular arc chamfering (17).
6. a kind of lithium-ion battery shell according to claim 1, it is characterised in that the left housing plate (11) and right coverboard
(12) thickness is all 0.6mm~0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954108.3U CN206976409U (en) | 2017-08-01 | 2017-08-01 | A kind of lithium-ion battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954108.3U CN206976409U (en) | 2017-08-01 | 2017-08-01 | A kind of lithium-ion battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206976409U true CN206976409U (en) | 2018-02-06 |
Family
ID=61393817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720954108.3U Active CN206976409U (en) | 2017-08-01 | 2017-08-01 | A kind of lithium-ion battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206976409U (en) |
-
2017
- 2017-08-01 CN CN201720954108.3U patent/CN206976409U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Patentee after: Lixin (Jiangsu) Energy Technology Co.,Ltd. Address before: No.2, Dagang Dashan Road, New District, Zhenjiang City, Jiangsu Province Patentee before: ETRUST POWER Group Ltd. |