CN208986079U - A kind of no tab solid state lithium battery - Google Patents
A kind of no tab solid state lithium battery Download PDFInfo
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- CN208986079U CN208986079U CN201821068819.1U CN201821068819U CN208986079U CN 208986079 U CN208986079 U CN 208986079U CN 201821068819 U CN201821068819 U CN 201821068819U CN 208986079 U CN208986079 U CN 208986079U
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- supporting body
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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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Abstract
The utility model discloses a kind of no tab solid state lithium batteries, including positive (1), cathode (2), membrane layer (3), the anode (1) includes positive supporting body (11) and positive coating layer (12), the cathode (2) includes cathode supporting body (21) and cathode coating layer (22), it is all provided with fluted (4) on the positive supporting body (11) and the cathode supporting body (21), the one or both ends of the groove (4) leak out on one side of the positive supporting body (11) and the cathode supporting body (21)；The utility model is designed using foil layer instead of existing battery pole ear, is not only solved because of the various problems of tab thickness bring, can also be realized the ultrathin of lithium battery.
Description
Technical field
The utility model relates to lithium battery manufacturing fields, and in particular to a kind of no tab solid state lithium battery.
Background technique
With the continuous development and improvement of ultrathin lithium battery, the structure of existing lithium battery does not adapt to micro electric
The demand of sub- equipment, especially existing lithium battery pole ear is most of to be designed using nickel foil or tinfoil paper, largely increases
The thickness of solid state lithium battery.
Utility model content
The technical issues of the utility model solves is to provide a kind of no tab solid state lithium battery, and lithium electricity on the one hand may be implemented
On the other hand the ultrathin in pond because being arranged without tab, can also solve the problems, such as lithium battery because various caused by tab.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of no tab solid state lithium battery, including just
Pole, cathode, membrane layer, the anode include positive supporting body and positive coating layer, and the cathode includes cathode supporting body
With cathode coating layer, the one of fluted, described groove is all provided on the positive supporting body and the cathode supporting body
End or both ends leak out on one side of the positive supporting body and the cathode supporting body, and the positive coating layer is coated on
The positive supporting body is equipped with the one side of the groove, and the cathode coating layer is coated on the cathode supporting body and sets
There is the one side of the groove；The membrane layer is arranged between the positive coating layer and the cathode coating layer,
Membrane layer described in the anode and the cathode package, the anode are mutually sealed with the edge of the cathode.
Preferably, the positive supporting body and the cathode supporting body include five layer materials, and five layer materials are successively
The sequence of superposition is PP layers, the first glue layer, foil layer, the second glue layer and nylon layer, the positive coating layer and described
Cathode coating layer be coated on the one side of the PP layer.
Preferably, the bottom portion of groove is the one side of the foil layer.
Preferably, the foil layer of the positive supporting body be aluminium foil, the cathode supporting body foil layer be copper foil or
Nickel foil.
Preferably, PP layer with a thickness of 0.01mm-0.07mm, first glue layer with a thickness of
0.003mm-0.007mm, the foil layer with a thickness of 0.01mm-0.07mm, second glue layer with a thickness of
0.003mm-0.007mm, the nylon layer with a thickness of 0.015mm-0.045mm.
Preferably, the positive coating layer and the cathode coating layer with a thickness of 0.05mm-1mm.
Preferably, the membrane layer is PP film or PE film.
It is of the utility model the utility model has the advantages that the utility model using foil layer replace existing battery pole ear design,
It not only solves because of the various problems of tab thickness bring, can also realize the ultrathin of lithium battery.Moreover, the utility model
Positive supporting body and cathode supporting body are all made of five layers of design, and PP layers are played the role of encapsulation, the first glue layer and the second glue
Layer plays the role of stickup, and foil layer plays waterproof, and intensity can be improved in nylon layer.Meanwhile the utility model cathode is held
The foil layer of carrier uses nickel foil or copper foil, on the one hand can solve the particularization application problem of lithium battery, on the other hand, may be used also
To solve the thickness problem of lithium battery, can apply in more super-thin electronic equipment.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model.
Fig. 2 is the cross-sectional view of this practical cathode supporting body.
The title or process name for the corresponding component that number or letter in figure represent: 1. anodes, 11. positive supporting bodies,
12. positive coating layer, 2. cathode, 21. cathode supporting bodies, 32. cathode coating layers, 3. membrane layers, 4. grooves, 5.PP layers, 6. the
One glue layer, 7. foil layers, 8. second glue layers, 9. nylon layers.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with attached drawing and embodiment to the utility model carry out into
One step detailed description.
A kind of no tab solid state lithium battery, including positive 1, cathode 2, membrane layer 3, anode 1 include 11 He of positive supporting body
Positive coating layer 12, cathode 2 includes cathode supporting body 21 and cathode coating layer 22, in positive supporting body 11 and cathode supporting body 21
On be all provided with fluted 4,4 one or both ends of groove are leaked out in one side of positive supporting body 11 and cathode supporting body 21, anode coating
Layer 12 is coated on the one side for the groove 4 that positive supporting body 11 is equipped with, and cathode coating layer 22 is coated on cathode supporting body 21 equipped with recessed
The one side of slot 4；Membrane layer 3 is arranged between positive coating layer 12 and cathode coating layer 22, and anode 1 and cathode 2 wrap up membrane layer
3, anode 1 is mutually sealed with the edge of cathode 2.
Specifically, positive supporting body 11 and cathode supporting body 21 include five layer materials, five layer materials are sequentially overlapped suitable
Sequence is PP layer 5, the first glue layer 6, foil layer 7, the second glue layer 8 and nylon layer 9, positive coating layer 12 and cathode coating layer 22
It is coated on the one side of PP layer 5.
Specifically, 4 bottom of groove is the one side of foil layer 7.
Specifically, the foil layer 7 of positive supporting body 11 is aluminium foil, 21 foil layer 7 of cathode supporting body is copper foil or nickel foil.Just
The effect of pole supporting body and cathode supporting body is afflux.
Specifically, PP layer 5 with a thickness of 0.01mm-0.07mm, the first glue layer 6 with a thickness of 0.003mm-0.007mm,
Foil layer 7 with a thickness of 0.01mm-0.07mm, the second glue layer 8 with a thickness of 0.003mm-0.007mm, the thickness of nylon layer 9
For 0.015mm-0.045mm.
Specifically, positive coating layer 12 and cathode coating layer 22 with a thickness of 0.05mm-1mm.
Specifically, membrane layer 3 is PP film or PE film.
Embodiment one
No tab solid state lithium battery above-mentioned is combined into specific way in reality, does corresponding elaboration, it is specific as follows: nothing
Tab solid state lithium battery, including positive 1, cathode 2, membrane layer 3, anode 1 include positive supporting body 11 and positive coating layer 12, are born
Pole 2 includes cathode supporting body 21 and cathode coating layer 22, is all provided with fluted 4 on positive supporting body 11 and cathode supporting body 21,
4 one or both ends of groove leak out on one side of positive supporting body 11 and cathode supporting body 21, and positive coating layer 12 is coated on anode
The one side for the groove 4 that supporting body 11 is equipped with, cathode coating layer 22 are coated on the one side that cathode supporting body 21 is equipped with groove 4；Diaphragm
Layer 3 is arranged between positive coating layer 12 and cathode coating layer 22, and anode 1 and cathode 2 wrap up membrane layer 3, anode 1 and cathode 2
Edge mutually seal.Positive coating layer 12 is made of solvent, positive electrode and electrolyte material.Cathode coating layer 22 by solvent,
Negative electrode material and electrolyte material are made.Positive electrode include but is not limited to cobalt acid lithium, LiMn2O4, LiFePO4, ternary material,
Conductive agent, graphene, carbon nanotube, polymer glue powder；Negative electrode material: including but is not limited to artificial graphite, natural graphite, silicon-carbon
Cathode, conductive agent, graphene, carbon nanotube, polymer glue powder；Solvent: including but is not limited to deionized water, NMP(N-methyl pyrrole
Pyrrolidone), acetone, PS, EC；Electrolyte material: including but is not limited to DMC, EMC, DEC, PVDF, CMC, γ-fourth lactones, hexafluoro
Lithium phosphate, bis trifluoromethyl Huang imide li, silica, ceramic powder.
Specifically, positive supporting body 11 and cathode supporting body 21 include five layer materials, five layer materials are sequentially overlapped suitable
Sequence is PP layer 5, the first glue layer 6, foil layer 7, the second glue layer 8 and nylon layer 9, positive coating layer 12 and cathode coating layer 22
It is coated on the one side of PP layer 5.
Specifically, 4 bottom of groove is the one side of foil layer 7,4 one or both ends of groove leak out in positive supporting body 11 and bear
One side of pole supporting body 21；Groove is arranged in this way can guarantee that foil layer 7 becomes tab, instead of existing additional tab.Anode
The foil layer 7 of supporting body 11 is aluminium foil, and 21 foil layer 7 of cathode supporting body is copper foil.
Specifically, PP layer 5 with a thickness of 0.05mm, the first glue layer 6 with a thickness of 0.006mm, foil layer 7 with a thickness of
0.03mm, the second glue layer 8 with a thickness of 0.005mm, nylon layer 9 with a thickness of 0.035mm.
Specifically, positive coating layer 12 and cathode coating layer 22 with a thickness of 0.35mm.
Specifically, membrane layer 3 is PP film or PE film.
Embodiment two
As embodiment one with two basic setup of embodiment is, primary difference is that: cathode supporting body 21 is nickel foil.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (7)
1. a kind of no tab solid state lithium battery, it is characterised in that: including positive (1), cathode (2), membrane layer (3), it is described just
Pole (1) includes positive supporting body (11) and positive coating layer (12), and the cathode (2) includes cathode supporting body (21) and cathode
Coating layer (22) is all provided with fluted (4) on the positive supporting body (11) and the cathode supporting body (21), described
The one or both ends of groove (4) are leaked out in one side of the positive supporting body (11) and the cathode supporting body (21), institute
The positive coating layer (12) stated is coated on the one side that the positive supporting body (11) is equipped with the groove (4), and described is negative
Pole coating layer (22) is coated on the one side that the cathode supporting body (21) is equipped with the groove (4)；The membrane layer (3)
It is arranged between the positive coating layer (12) and the cathode coating layer (22), the anode (1) and described negative
Pole (2) the package membrane layer (3), the anode (1) are mutually sealed with the edge of the cathode (2).
2. no tab solid state lithium battery according to claim 1, it is characterised in that: the positive supporting body (11) and institute
The cathode supporting body (21) stated includes five layer materials, and the sequence that five layer materials are sequentially overlapped is PP layers (5), the first glue layer
(6), foil layer (7), the second glue layer (8) and nylon layer (9), the positive coating layer (12) and the cathode coating layer
(22) it is coated on the one side of the PP layer (5).
3. no tab solid state lithium battery according to claim 2, it is characterised in that: described groove (4) bottom is described
Foil layer (7) one side.
4. no tab solid state lithium battery according to claim 2 or 3, it is characterised in that: the positive supporting body (11)
Foil layer (7) be aluminium foil, cathode supporting body (21) foil layer (7) be copper foil or nickel foil.
5. no tab solid state lithium battery according to claim 2, it is characterised in that: the PP layer (5) with a thickness of
0.01mm-0.07mm, first glue layer (6) with a thickness of 0.003mm-0.007mm, the thickness of the foil layer (7)
Degree be 0.01mm-0.07mm, second glue layer (8) with a thickness of 0.003mm-0.007mm, the nylon layer (9)
With a thickness of 0.015mm-0.045mm.
6. no tab solid state lithium battery according to claim 1, it is characterised in that: the positive coating layer (12) and institute
The cathode coating layer (22) stated with a thickness of 0.05mm-1mm.
7. no tab solid state lithium battery according to claim 1, it is characterised in that: the membrane layer (3) be PP film or
PE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068819.1U CN208986079U (en) | 2018-07-06 | 2018-07-06 | A kind of no tab solid state lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068819.1U CN208986079U (en) | 2018-07-06 | 2018-07-06 | A kind of no tab solid state lithium battery |
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| Publication Number | Publication Date |
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| CN208986079U true CN208986079U (en) | 2019-06-14 |
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| CN201821068819.1U Active CN208986079U (en) | 2018-07-06 | 2018-07-06 | A kind of no tab solid state lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735961A (en) * | 2018-07-06 | 2018-11-02 | 惠州赛尔雷新能源科技有限公司 | A kind of no lug solid state lithium battery |
-
2018
- 2018-07-06 CN CN201821068819.1U patent/CN208986079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735961A (en) * | 2018-07-06 | 2018-11-02 | 惠州赛尔雷新能源科技有限公司 | A kind of no lug solid state lithium battery |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211102 Address after: 611700 No. 116, No. 47, Wangwang East Road, Deyuan town (Jingrong town), Pidu District, Chengdu, Sichuan Patentee after: SICHUAN SAIERLEI NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 516006 No. 102-1, building B, No. 16, Huifeng East 2nd Road, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee before: HUIZHOU CELL VALLEY NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220801 Address after: 516000 No. 21, Hengjiang 1st Road, Huicheng District, Huizhou City, Guangdong Province Patentee after: Feng Leihua Address before: 611700 No. 116, No. 47, Wangwang East Road, Deyuan town (Jingrong town), Pidu District, Chengdu, Sichuan Patentee before: SICHUAN SAIERLEI NEW ENERGY TECHNOLOGY CO.,LTD. |
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