CN107302065A - Battery cover board and its processing method - Google Patents
Battery cover board and its processing method Download PDFInfo
- Publication number
- CN107302065A CN107302065A CN201710491546.5A CN201710491546A CN107302065A CN 107302065 A CN107302065 A CN 107302065A CN 201710491546 A CN201710491546 A CN 201710491546A CN 107302065 A CN107302065 A CN 107302065A
- Authority
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- Prior art keywords
- pole
- seal
- negative pole
- positive
- substrate
- Prior art date
- 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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Links
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 66
- 239000004020 conductor Substances 0.000 claims description 16
- 239000011810 insulating material Substances 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 10
- 239000004917 carbon fiber Substances 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 239000002305 electric material Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention belongs to cell art, it is related to a kind of battery cover board and its processing method, the battery cover board includes substrate, Positive Poles, negative pole pole, positive pole seal assembly and negative pole seal assembly, Positive Poles hole and negative pole pole column hole are set on substrate, Positive Poles are placed in Positive Poles hole, negative pole pole is placed in negative pole pole column hole, and positive pole seal assembly is arranged between substrate and Positive Poles, and negative pole seal assembly is arranged between substrate and negative pole pole；Positive pole seal assembly includes positive pole first seal and positive pole second seal, and negative pole seal assembly includes negative pole first seal and negative pole second seal.The battery cover board sealing property is stable, not perishable, and its is simple in construction, it is easy to process.
Description
Technical field
The invention belongs to cell art, more particularly to a kind of battery cover board and its processing method.
Background technology
Electrokinetic cell is the developing direction of new-energy automobile and energy-accumulating power station, thus the security of battery is most important.Electricity
Pond cover plate determines the sealing property and insulating properties of electrokinetic cell as the important component of electrokinetic cell.Lithium ion is moved
Power battery is during long-term use or storage, due to the poor sealing performance of battery cover board, and electrolyte can corrode battery cover board,
So as to cause the adverse reactions such as leakage.
In addition, the battery cover board of prior art generally sets ceramic ring as insulating part around pole, and pass through jump ring
Ceramic ring is fixed, then sealant is set on the outside of insulating part and jump ring, so as to realize the insulated enclosure effect of battery cover board.But
This method is complicated and not easy processing.
The content of the invention
The technical problems to be solved by the invention are：Battery cover board poor sealing performance for prior art, it is perishable and
There is provided a kind of battery cover board and its processing method for the technical problem of easy processing.
In order to solve the above technical problems, on the one hand, the present invention provides a kind of battery cover board, including substrate, Positive Poles, negative
Pole pole, positive pole seal assembly and negative pole sealing module, set Positive Poles hole and negative pole pole column hole on the substrate, it is described just
Pole pole is placed in the Positive Poles hole, and the negative pole pole is placed in the negative pole pole column hole, the positive pole seal assembly
It is arranged between the substrate and the Positive Poles, the negative pole seal assembly is arranged on the substrate and the negative pole pole
Between；
The Positive Poles include Positive Poles top and Positive Poles bottom, and the diameter of the Positive Poles bottom is more than
The diameter on the Positive Poles top, the diameter on the Positive Poles top is less than the diameter of the positive pole post holes；The negative pole
Pole includes negative pole pole top and negative pole pole bottom, and the diameter of the negative pole pole bottom is more than the negative pole pole top
Diameter, the diameter on the negative pole pole top is less than the diameter of the negative pole post holes；
The positive pole seal assembly includes positive pole first seal and positive pole second seal, the positive pole first seal
It is arranged between the substrate and the Positive Poles bottom, the positive pole second seal is arranged on the substrate by injection
Between the Positive Poles top；The negative pole seal assembly includes negative pole first seal and negative pole second seal, institute
State negative pole first seal to be arranged between the substrate and the negative pole pole bottom, the negative pole second seal passes through note
Modeling is arranged between the substrate and the negative pole pole top.
Alternatively, one first annular recess, the first annular recess side table are provided with along the Positive Poles upper portion side wall
Face is curved or polygon；
One second annular recess is provided with along the negative pole pole upper portion side wall, the second annular recess side surface is curved
Or polygon.
Alternatively, the positive pole first seal is L-shaped or polygonal ring shape structure, and the positive pole second seal is in arc
Shape ring-type or polygonal ring shape structure.
Alternatively, the negative pole first seal is L-shaped or polygonal ring shape structure, and the negative pole second seal is in arc
Shape ring-type or polygonal ring shape structure.
Alternatively, the resistance value between the Positive Poles and the substrate is 2~10000 Ω.
Alternatively, the positive pole second seal is mixed by insulating materials and conductive material, and the positive pole second is close
The insulating materials of sealing is the one or more in rubber, plastics and ceramics, and the conductive material of the positive pole second seal is
The adding proportion of conductive material is 0 in one or more in carbon fiber, graphite and metal dust, the positive pole second seal
~60%.
Alternatively, the negative pole second seal is mixed by insulating materials and conductive material, and the negative pole second is close
The insulating materials of sealing is the one or more in rubber, plastics and ceramics, and the conductive material of the negative pole second seal is
The adding proportion of conductive material is 0 in one or more in carbon fiber, graphite and metal dust, the negative pole second seal
~60%.
According to the battery cover board of the present invention, seal assembly is set between substrate and pole, first seal is arranged on
Between substrate and pole bottom, second seal is arranged between substrate and pole top by injection molding manner, make substrate with
Sealing between pole is more firm, and sealing property is more stable, not perishable.Being given a shock, fall, the situation of high/low temperature change
Under, excellent sealing property can be still kept, and its is simple in construction, it is easy to process.In addition, the of the battery cover board of the present invention
Two seals are made up of insulating materials with conductive material, can be by adjusting the ratio of insulating materials and conductive material, and then are adjusted
Save the resistance between substrate and pole.
On the other hand, the present invention also provides a kind of processing method of above-mentioned battery cover board, and it comprises the following steps：
Positive Poles hole and negative pole pole column hole are gone out on substrate by diel；
Make Positive Poles and negative pole pole；
Positive pole first seal is enclosed in Positive Poles, negative pole first seal is enclosed on negative pole pole,；
Substrate is pressed in the positive pole first seal and negative pole first seal from top；
Positive pole second seal is injected between Positive Poles top and substrate by injection mold and sealed, will be negative
Pole second seal is injected between negative pole pole top and substrate by injection mold and sealed, to form battery cover board.
Brief description of the drawings
Fig. 1 is the schematic diagram for the battery cover board that one embodiment of the invention is provided；
Fig. 2 is the enlarged diagram at the battery cover board A shown in Fig. 1.
Reference in specification is as follows：
1st, substrate；101st, Positive Poles hole；102nd, negative pole pole column hole；
2nd, Positive Poles；201st, Positive Poles top；202nd, Positive Poles bottom；203rd, the first annular recess；
3rd, negative pole pole；301st, negative pole pole top；302nd, negative pole pole bottom；303rd, the second annular recess；
4th, positive pole seal assembly；401st, positive pole first seal；4011st, bottom；4012nd, top；402nd, positive pole second is close
Sealing；
5th, negative pole seal assembly；501st, negative pole first seal；502nd, negative pole second seal.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention is described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, one embodiment of the invention provide battery cover board, including substrate 1, Positive Poles 2, negative pole pole 3,
Positive pole seal assembly 4 and negative pole seal assembly 5.The Positive Poles hole 101 for placing Positive Poles 2 is respectively provided with substrate 1
And for placing the negative pole pole column hole 102 of negative pole pole 3.Positive pole seal assembly 4 is arranged between substrate 1 and Positive Poles 2,
Negative pole seal assembly sets 5 between substrate 1 and negative pole pole 3, so that substrate 1 is carried out with Positive Poles 2 and negative pole pole 3
It is tightly connected.
As shown in Fig. 2 Positive Poles 2 include Positive Poles top 201 and Positive Poles bottom 202, in Positive Poles
The side wall of portion 201 is provided with one first annular recess 203.In the present embodiment, the side surface of the first annular recess 203 is curved, just
The diameter of pole pole bottom 202 is more than the diameter on Positive Poles top 201, and the diameter on Positive Poles top 201 is less than positive pole
The diameter of pole column hole 101.It should be understood that Positive Poles top 201 may pass through Positive Poles hole 101, and Positive Poles top
There is gap between 201 side wall and the side wall in Positive Poles hole 101.Positive pole seal assembly 4 is arranged on substrate 1 and Positive Poles 2
Between.It should be understood that positive pole seal assembly 4 is partially housed in Positive Poles hole 101.In other embodiments, the first ring
The side surface of shape groove 203 is also in polygon.
Positive pole seal assembly 4 includes positive pole first seal 401 and positive pole second seal 402.Positive pole first seal
401 are arranged between substrate 1 and Positive Poles bottom 202, positive pole second seal 402 by injection be arranged on substrate 1 with just
Between pole pole top 201.It should be understood that positive pole second seal 402 will be partially submerged into the first annular recess 203.
In the present embodiment, the substantially L-shaped cyclic structure of positive pole first seal 401, the curved ring-type knot of positive pole second seal 402
Structure.Specifically, the bottom 4011 of positive pole first seal 401 is located at the upper surface of Positive Poles bottom 202 and the following table of substrate 1
Between face, the top 4012 of positive pole first seal 401 is located at side wall and the Positive Poles hole 101 on Positive Poles top 201
Between the wall of side.
In other embodiments, positive pole first seal 401 also can be in polygonal ring shape structure, positive pole second seal
402 also can be in polygonal ring shape structure.
Further, positive pole second seal 402 is mixed by rubber with carbon fiber.It should be understood that passing through regulation
The ratio of rubber and carbon fiber, it is possible to achieve the regulation to the resistance value between Positive Poles 2 and substrate 1.In other embodiment
In, rubber also can be replaced one or more insulating materials as positive pole second seal 402 in rubber, plastics, ceramics,
Carbon fibre also can be replaced one or more conduction materials as positive pole second seal 402 in carbon fiber, graphite, metal dust
Material.Preferably, the adding proportion of conductive material can be the arbitrary proportion in 0~60%, corresponding, Positive Poles 2 and substrate 1
Between resistance value will be between 2~10000 Ω.
In the present embodiment, negative pole pole 3 is identical with the structure of Positive Poles 2, and negative pole pole 3 and substrate 1 and negative pole are close
Attachment structure between sealing assembly 5 is identical with the attachment structure between Positive Poles 2 and substrate 1 and positive pole seal assembly 4.
Specifically, as shown in figure 1, negative pole pole 3 includes negative pole pole top 301 and negative pole pole bottom 302, in negative pole
The side wall of pole top 301 is provided with one second annular recess 303.In the present embodiment, the side surface of the second annular recess 303 is in arc
Shape, the diameter of negative pole pole bottom 302 is more than the diameter on negative pole pole top 301, and the diameter on negative pole pole top 301 is less than
The diameter of negative pole pole column hole 102.It should be understood that negative pole pole top 301 may pass through negative pole pole column hole 102, and negative pole pole
There is gap between the side wall on top 301 and the side wall of negative pole pole column hole 102.Negative pole seal assembly 5 is arranged on substrate 1 and negative pole pole
Between post 3.It should be understood that negative pole seal assembly 5 is partially housed in negative pole pole column hole 102.In other embodiments, second
The side surface of annular recess 303 is also in polygon.
Negative pole seal assembly 5 includes negative pole first seal 501 and negative pole second seal 502.Negative pole first seal
501 are arranged between substrate 1 and negative pole pole bottom 302, and negative pole second seal 502 is arranged on substrate 1 with bearing by injection
Between pole pole top 301.It should be understood that negative pole second seal 502 will be partially submerged into the second annular recess 303.
In the present embodiment, the substantially L-shaped cyclic structure of negative pole first seal 501, the curved ring-type knot of negative pole second seal 502
Structure.Specifically, the bottom of negative pole first seal 501 located at upper surface and the substrate 1 of negative pole pole bottom 302 lower surface it
Between, the top of negative pole first seal 501 is between the side wall on negative pole pole top 301 and the side wall of negative pole pole column hole 102.
In other embodiments, negative pole first seal 501 also can be in polygonal ring shape structure, negative pole second seal
502 also can be in polygonal ring shape structure.
Further, negative pole second seal 502 is mixed by rubber with carbon fiber.It should be understood that passing through regulation
The ratio of rubber and carbon fiber, it is possible to achieve the regulation to the resistance value between negative pole pole 3 and substrate 1.In other embodiment
In, rubber also can be replaced one or more insulating materials as negative pole second seal 502 in rubber, plastics, ceramics,
Carbon fibre also can be replaced one or more conduction materials as negative pole second seal 502 in carbon fiber, graphite, metal dust
Material.Preferably, the adding proportion of conductive material can be the arbitrary proportion in 0~60%, corresponding, negative pole pole 3 and substrate 1
Between resistance value will be between 2~10000 Ω.
The battery cover board provided according to embodiments of the present invention, seal assembly is set between substrate 1 and pole, close by first
Sealing is arranged between substrate 1 and pole bottom, by second seal by injection molding manner be arranged on substrate 1 and pole top it
Between, make that the sealing between substrate 1 and pole is more firm, sealing property is more stable, being given a shock, fall, high/low temperature change
In the case of, excellent sealing property can be still kept, and its is simple in construction, it is easy to process.In addition, the battery cover board of the present invention
Positive pole second seal 402 and negative pole second seal 502 be made up of insulating materials with conductive material, can be exhausted by regulation
The ratio of edge material and conductive material, and then adjust the resistance between substrate 1 and pole.
In addition, one embodiment of the invention additionally provides a kind of processing method of above-mentioned battery cover board, it comprises the following steps：
A. Positive Poles hole 101 and negative pole pole column hole 102 are gone out on substrate 1 by diel.
B. Positive Poles 2 and negative pole pole 3 are made.
Specifically, Positive Poles 2 include Positive Poles top 201 and Positive Poles bottom 202, make Positive Poles bottom
202 diameter is more than the diameter on Positive Poles top 201, and the diameter on Positive Poles top 201 is less than the straight of Positive Poles hole 101
Footpath, in order to which Positive Poles 2 pass through Positive Poles hole 101.Meanwhile, on Positive Poles top 201, side wall sets one first ring-type
Groove 203.
Negative pole pole 3 includes negative pole pole top 301 and negative pole pole bottom 302, makes the diameter of negative pole pole bottom 302
More than the diameter on negative pole pole top 301, the diameter on negative pole pole top 301 is less than the diameter of negative pole pole column hole 102, in order to
Negative pole pole 3 passes through negative pole pole column hole 102.Meanwhile, on negative pole pole top 301, side wall sets one second annular recess 303.
C. positive pole first seal 401 is enclosed in Positive Poles 2, negative pole first seal 501 is enclosed on negative pole pole 3
On.
D. substrate 1 is pressed in positive pole first seal 401 and negative pole first seal 501 from top；Make positive pole
One seal 401 is embedded between substrate 1 and Positive Poles bottom 202, the insertion substrate 1 of negative pole first seal 501 and negative pole pole
Sealing is realized between post bottom 302.
E. positive pole second seal 402 is injected between Positive Poles top 201 and substrate 1 by injection mold and carried out
Sealing, negative pole second seal 502 is injected between negative pole pole top 301 and substrate 1 by injection mold and sealed,
To form battery cover board.It should be understood that positive pole second seal 402 will be partially submerged into the first annular recess 203, negative pole
Two seals 502 will be partially submerged into the second annular recess 303.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of battery cover board, it is characterised in that close including substrate, Positive Poles, negative pole pole, positive pole seal assembly and negative pole
Seal and Positive Poles hole and negative pole pole column hole be set on module, the substrate, the Positive Poles are placed in the Positive Poles hole,
The negative pole pole is placed in the negative pole pole column hole, and the positive pole seal assembly is arranged on the substrate and the Positive Poles
Between, the negative pole seal assembly is arranged between the substrate and the negative pole pole；
The Positive Poles include Positive Poles top and Positive Poles bottom, and the diameter of the Positive Poles bottom is more than described
The diameter on Positive Poles top, the diameter on the Positive Poles top is less than the diameter of the positive pole post holes；The negative pole pole
Including negative pole pole top and negative pole pole bottom, the diameter of the negative pole pole bottom is more than the straight of the negative pole pole top
Footpath, the diameter on the negative pole pole top is less than the diameter of the negative pole post holes；
The positive pole seal assembly includes positive pole first seal and positive pole second seal, and the positive pole first seal is set
Between the substrate and the Positive Poles bottom, the positive pole second seal is arranged on the substrate and institute by injection
State between Positive Poles top；The negative pole seal assembly includes negative pole first seal and negative pole second seal, described negative
Pole first seal is arranged between the substrate and the negative pole pole bottom, and the negative pole second seal is set by injection
Put between the substrate and the negative pole pole top.
2. battery cover board according to claim 1, it is characterised in that be provided with one first along the Positive Poles upper portion side wall
Annular recess, the first annular recess side surface is curved or polygon；
One second annular recess is provided with along the negative pole pole upper portion side wall, the second annular recess side surface is curved or many
Side shape.
3. battery cover board according to claim 1, it is characterised in that the positive pole first seal is L-shaped or polygon
Cyclic structure, the curved ring-type of positive pole second seal or polygonal ring shape structure.
4. battery cover board according to claim 1, it is characterised in that the negative pole first seal is L-shaped or polygon
Cyclic structure, the curved ring-type of negative pole second seal or polygonal ring shape structure.
5. battery cover board according to claim 1, it is characterised in that the resistance value between the Positive Poles and the substrate
For 2~10000 Ω.
6. battery cover board according to claim 1, it is characterised in that the positive pole second seal is by insulating materials and leads
Electric material is mixed, and the insulating materials of the positive pole second seal is the one or more in rubber, plastics and ceramics, institute
The conductive material for stating positive pole second seal is the one or more in carbon fiber, graphite and metal dust, the positive pole second
The adding proportion of conductive material is 0~60% in seal.
7. battery cover board according to claim 1, it is characterised in that the negative pole second seal is by insulating materials and leads
Electric material is mixed, and the insulating materials of the negative pole second seal is the one or more in rubber, plastics and ceramics, institute
The conductive material for stating negative pole second seal is the one or more in carbon fiber, graphite and metal dust, the negative pole second
The adding proportion of conductive material is 0~60% in seal.
8. a kind of processing method of the battery cover board described in any one of claim 1-7, it is characterised in that including：
Positive Poles hole and negative pole pole column hole are gone out on substrate by diel；
Make Positive Poles and negative pole pole；
Positive pole first seal is enclosed in Positive Poles, negative pole first seal is enclosed on negative pole pole；
Substrate is pressed in the positive pole first seal and negative pole first seal from top；
Positive pole second seal is injected between Positive Poles top and substrate by injection mold and sealed, by negative pole
Two seals are injected between negative pole pole top and substrate by injection mold and sealed, to form battery cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710491546.5A CN107302065A (en) | 2017-06-26 | 2017-06-26 | Battery cover board and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710491546.5A CN107302065A (en) | 2017-06-26 | 2017-06-26 | Battery cover board and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107302065A true CN107302065A (en) | 2017-10-27 |
Family
ID=60135877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710491546.5A Pending CN107302065A (en) | 2017-06-26 | 2017-06-26 | Battery cover board and its processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107302065A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108023043A (en) * | 2017-12-01 | 2018-05-11 | 广州泰勒斯科技有限公司 | Startup formula power supply |
| CN113258180A (en) * | 2021-04-28 | 2021-08-13 | 马鞍山南实九九科技有限公司 | Nanometer lithium cell apron of moulding plastics |
| WO2022033564A1 (en) * | 2020-08-13 | 2022-02-17 | 珠海冠宇电池股份有限公司 | Battery case and battery |
| WO2022242748A1 (en) * | 2021-05-21 | 2022-11-24 | 湖北亿纬动力有限公司 | Cylindrical battery |
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| WO2022242748A1 (en) * | 2021-05-21 | 2022-11-24 | 湖北亿纬动力有限公司 | Cylindrical battery |
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