CN107887534A - A kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure - Google Patents
A kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure Download PDFInfo
- Publication number
- CN107887534A CN107887534A CN201710980313.1A CN201710980313A CN107887534A CN 107887534 A CN107887534 A CN 107887534A CN 201710980313 A CN201710980313 A CN 201710980313A CN 107887534 A CN107887534 A CN 107887534A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- end plate
- hole
- pole
- plate
- 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.)
- Pending
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 34
- 125000006850 spacer group Chemical group 0.000 claims description 34
- 238000000034 method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of power lithium-ion battery cover plate dipole column to draw negative end plate square structure, it includes double hole square end plate and negative pole rod structure, double hole square end plate lid is on the cover board, two end plate pole through holes are provided with double hole square end plate, two cover plate pole through holes are provided with cover plate, negative pole rod structure is provided with two, the end plate pole through hole on the cover plate pole through hole and double hole square end plate on cover plate is sequentially passed through from lower end respectively, and negative pole rod structure and double hole square end plate and cover plate are riveted from upper end using pneumatic riveter, negative pole rod structure is red copper taper rivet structure, it includes appear on the stage structure and flat structure.Advantages of the present invention：Without laser welding, tissue difficulty is smaller, and cost is low, good airproof performance；Negative pole rod structure only has two parts so that processing technology becomes simple, package assembly component is few, cost is cheap, process is lossless, internal resistance is small, and the contact area of battery assembling is big, is adapted to high current charge-discharge.
Description
Technical field
The present invention relates to a kind of power lithium-ion battery cover plate dipole column to draw negative end plate square structure, belongs to environment guarantor
Protect technical field.
Background technology
With capacity type, the application of power-type lithium ion battery, the extraction lug of house type housing can not meet lithium
The needs of ion battery heavy-current discharge, pole type have begun to replace lug extraction to design, existing pole lead-out mode
Have：The first, is connected using nut snap ring, and the lithium ion battery of pole type design is during manufacture and use, due to spiral shell
Female turns repeatedly, and easily causing pole and loosening influences cell sealing effect, and serious meeting causes lug on pole piece to break with pole piece
Split, battery life is shortened or internal short-circuit of battery；Second, welded together using pole and cover plate, this kind needs to use
Laser welding, tissue difficulty is larger, and not only cost is higher for laser, and easily swashs cover plate through influenceing sealing effectiveness.
Existing pole is formed by top, bottom, and flat mesa-shaped pole platform, such as Chinese patent are set between top, bottom
CN101562241A " a kind of square lithium ion battery terminal post anti-rotation device ", the designing points of the patent are, this kind of structure
Coordinate support, open up the structure to be matched with pole peripheral profile on support, support is assembled into one with pole.So that support with
Pole is locked mutually, although the structure can effectively prevent polar-column rotation, this kind of structure is divided into three portions of upper, middle and lower
Point, manufacturing process is complex, not only increases technology difficulty, and adds process costs, because the diameter of bottom is smaller, battery
The contact area of assembling is also small, unsuitable high current charge-discharge.
The content of the invention
The technical problem to be solved in the present invention, is to provide that a kind of processing technology is simple, package assembly part is few, cost is low
It is honest and clean, process is lossless, sealing is high, internal resistance is small, be adapted to high current charge-discharge power lithium-ion battery cover plate dipole column
Draw negative end plate square structure.
The present invention is realized by following proposal：A kind of power lithium-ion battery cover plate dipole column draws the square knot of negative end plate
Structure, it includes double hole square end plate and negative pole rod structure, and the double hole square end plate is covered on the cover plate, on the double hole square end plate
Two end plate pole through holes are provided with, two cover plate pole through holes are provided with the cover plate, the negative pole rod structure is provided with two, point
Do not sequentially pass through the end plate pole through hole on the cover plate pole through hole and the double hole square end plate on the cover plate from lower end, and from
Upper end is riveted the negative pole rod structure and the double hole square end plate and the cover plate using pneumatic riveter, the negative pole
Rod structure is red copper taper rivet structure, and it includes appear on the stage structure and flat structure, and the structure of appearing on the stage is connected to described flat
The upper end of structure, the structure of appearing on the stage sequentially pass through the cover plate pole through hole and the end plate pole through hole, the flat knot
The diameter of structure is more than the diameter of the cover plate pole through hole and the end plate pole through hole, and the flat structure is stuck in the cover plate
Lower end.
The top of the end plate pole through hole is divided into reverse frustoconic, and bottom is divided into cylinder, the cover plate pole through hole
Top is divided into cylinder, and bottom is divided into truncated cone-shaped.
The side wall of the reverse frustoconic of the end plate pole through hole is inclined-plane, the side wall of the truncated cone-shaped of the cover plate pole through hole
For concave surface.
The bottom of the structure of appearing on the stage is the truncated cone-shaped agreed with cover plate pole through hole bottom split-phase, the knot of appearing on the stage
The upper end of structure forms the reverse frustoconic agreed with the top split-phase of the end plate pole through hole after staking.
End plate insulation spacer is provided between the double hole square end plate and the cover plate, the end plate insulation spacer is wrapped in institute
Surrounding and the bottom of double hole square end plate are stated, the end plate insulation spacer is provided with through hole.
Described appear on the stage is provided with the convex pad of cone seal between structure and the cover plate, the upper part of the convex pad of cone seal is worn
The through hole crossed on the cover plate pole through hole and the end plate insulation spacer, the lower end for being stuck in the cover plate of bottom are described
Structure of appearing on the stage passes through the convex pad of the cone seal, and the flat structure is stuck in the lower end of the convex pad of the cone seal.
The lower end of the cover plate is provided with cover plate insulation spacer, and the cover plate insulation spacer is provided with through hole, and the taper is close
The bottom of convex pad is sealed in the through hole of the cover plate insulation spacer, the diameter of the flat structure is more than the cover plate insulation spacer
Through hole diameter, the flat structure be stuck in the cone seal it is convex pad and the cover plate insulation spacer lower end.
Flat structure of the negative pole rod structure lower end is in contact.
Beneficial effects of the present invention are：
1st, the negative pole rod structure that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure is purple
Copper taper rivet structure, riveted with double hole square end plate and cover plate using pneumatic riveter, it is difficult without laser welding, tissue
Degree is smaller, and cost is low, good airproof performance；
2nd, the negative pole rod structure that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure only has
Two parts, structure of appearing on the stage and flat structure, relative to three parts in background technology, eliminate lower part so that processing
Technique becomes simple, package assembly component is few, cost is cheap, process is lossless, internal resistance is small, and the contact surface of battery assembling
Product is big, is adapted to high current charge-discharge；
3rd, a kind of power lithium-ion battery cover plate dipole column of the present invention draws the cover plate pole on the cover plate of negative end plate square structure
The shape and structure of end plate pole through hole on post through hole and double hole square end plate so that negative pole rod structure and double hole square end plate after riveting
And the steadiness and sealing of cover plate are stronger；
4th, a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure and uses the convex pad of cone seal
Negative pole rod structure is surrounded, more improves sealing；
5th, a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure and is provided with two negative terminal knots
Structure, two negative pole rod structures are mutually locked, can effectively prevent polar-column rotation.
Brief description of the drawings
Fig. 1 faces section for a kind of power lithium-ion battery cover plate dipole column extraction negative end plate square structure of the present invention
Structural representation.
Fig. 2 is the plan structure that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure
Schematic diagram.
Fig. 3 is the diplopore square end that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure
Plate faces cross-sectional view.
Fig. 4 is that a kind of power lithium-ion battery cover plate dipole column of the present invention is drawing the cover plate of negative end plate square structure just
Depending on cross-sectional view.
Fig. 5 is the cone seal that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure
Convex pad faces cross-sectional view.
Fig. 6 is the negative terminal knot that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure
Positive structure diagram of the structure before not riveting.
Fig. 7 is the negative terminal knot that a kind of power lithium-ion battery cover plate dipole column of the present invention draws negative end plate square structure
The positive structure diagram after staking of structure.
Fig. 8 is the positive structure diagram of the negative pole rod structure in background technology.
In figure：1 is double hole square end plate, and 2 be negative pole rod structure, and 3 be cover plate, and 4 be end plate pole through hole, and 5 be cover plate pole
Through hole, 6 be structure of appearing on the stage, and 7 be flat structure, and 8 be end plate insulation spacer, and 9 be the convex pad of cone seal, and 10 be cover plate felt pad
Piece.
Embodiment
With reference to Fig. 1-7, the present invention is further described, but the scope of the present invention does not limit to the content.
Wherein identical parts are presented with like reference characters.It should be noted that the word used below in description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to court
To or away from particular elements geometric centers direction, and accompanying drawing is compared using very simplified form and accurately using non-
Rate, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
For clarity, not describing whole features of practical embodiments, in the following description, known function is not described in detail
And structure, because they can make the present invention chaotic due to unnecessary details, it will be understood that opening in any practical embodiments
In hair, it is necessary to a large amount of implementation details are made to realize the specific objective of developer, such as according to relevant system or relevant business
Limitation, another embodiment is changed into by one embodiment, additionally, it should think that this development is probably complicated and expended
Time, but it is only to those skilled in the art routine work.
A kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure, and it includes the He of double hole square end plate 1
Negative pole rod structure 2, double hole square end plate 1 are covered on cover plate 3, are provided with two end plate pole through holes 4 on double hole square end plate 1, on cover plate 3
Two cover plate pole through holes 5 are provided with, negative pole rod structure 2 is provided with two, sequentially passes through the cover plate pole on cover plate 3 from lower end respectively
End plate pole through hole 4 on through hole 5 and double hole square end plate 1, and pneumatic riveter is used by negative pole rod structure 2 and diplopore from upper end
Square end plate 1 and cover plate 3 are riveted, and negative pole rod structure 2 is red copper taper rivet structure, and it includes appear on the stage structure 6 and flat knot
Structure 7, structure of appearing on the stage 6 are connected to the upper end of flat structure 7, and structure of appearing on the stage 6 sequentially passes through cover plate pole through hole 5 and end plate pole leads to
Hole 4, the diameter of flat structure 7 are more than the diameter of cover plate pole through hole 5 and end plate pole through hole 4, and flat structure 7 is stuck in cover plate 3
Lower end.
The top of end plate pole through hole 4 is divided into reverse frustoconic, and bottom is divided into cylinder, the upper part of cover plate pole through hole 5
For cylinder, bottom is divided into truncated cone-shaped.
The side wall of the reverse frustoconic of end plate pole through hole 4 is inclined-plane, and the side wall of the truncated cone-shaped of cover plate pole through hole 5 is recessed
Face.
The bottom of structure of appearing on the stage 6 is the truncated cone-shaped agreed with the bottom split-phase of cover plate pole through hole 5, the upper end of structure of appearing on the stage 6
The reverse frustoconic agreed with the top split-phase of end plate pole through hole 4 is formed after staking.
End plate insulation spacer 8 is provided between double hole square end plate 1 and cover plate 3, end plate insulation spacer 8 is wrapped in double hole square end plate
1 surrounding and bottom, end plate insulation spacer 8 are provided with through hole.
The convex pad 9 of cone seal is provided between structure of appearing on the stage 6 and cover plate 3, the upper part of the convex pad 9 of cone seal passes through cover plate pole
Through hole on post through hole 5 and end plate insulation spacer 8, the lower end for being stuck in cover plate 3 of bottom, structure of appearing on the stage 6 pass through cone seal
Convex pad 9, flat structure 7 are stuck in the lower end of the convex pad 9 of cone seal.
The lower end of cover plate 3 is provided with cover plate insulation spacer 10, and cover plate insulation spacer 10 is provided with through hole, the convex pad 9 of cone seal
Bottom in the through hole of cover plate insulation spacer 10, the diameter of flat structure 7 is more than the diameter of the through hole of cover plate insulation spacer 10,
Flat structure 7 is stuck in the lower end of the convex pad 9 of cone seal and cover plate insulation spacer 10.
Flat structure 7 of the lower end of negative pole rod structure 2 is in contact.
The installation method of the present invention, the first step：Cover plate 3 and double hole square end plate 1 are molded by mould；Second step：Injection machine is pressed
The convex pad 9 of size injection cone seal, end plate insulation spacer 8, cover plate insulation spacer 10；3rd step：Double hole square end plate 1 is placed on
In end plate insulation spacer 8, end plate insulation spacer 8 is placed on cover plate 3, and cover plate insulation spacer 10 is arranged on the lower end of cover plate 3, taper
Seal convex pad 9 and sequentially pass through cover plate insulation spacer 10, cover plate 3 and end plate insulation spacer 8, negative pole rod structure 2 passes through cone seal
Enter after convex pad 9 in the end plate pole through hole of double hole square end plate 1；4th step：Using pneumatic riveter from upper end to negative terminal knot
Structure 2 is riveted.
Although more detailed elaboration is done to technical scheme and has been enumerated, it will be appreciated that for ability
For field technique personnel, modification is made to above-described embodiment or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed scope.
Claims (8)
1. a kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure, it is characterised in that：It includes diplopore
Square end plate（1）With negative pole rod structure（2）, the double hole square end plate（1）Cover in the cover plate（3）On, the double hole square end plate（1）
On be provided with two end plate pole through holes（4）, the cover plate（3）On be provided with two cover plate pole through holes（5）, the negative pole rod structure
（2）Provided with two, the cover plate is sequentially passed through from lower end respectively（3）On cover plate pole through hole（5）With the double hole square end plate
（1）On end plate pole through hole（4）, and pneumatic riveter is used by the negative pole rod structure from upper end（2）With the double hole square
End plate（1）And the cover plate（3）Riveted, the negative pole rod structure（2）For red copper taper rivet structure, it includes knot of appearing on the stage
Structure（6）With flat structure（7）, the structure of appearing on the stage（6）It is connected to the flat structure（7）Upper end, the structure of appearing on the stage（6）
Sequentially pass through the cover plate pole through hole（5）With the end plate pole through hole（4）, the flat structure（7）Diameter be more than institute
State cover plate pole through hole（5）With the end plate pole through hole（4）Diameter, the flat structure（7）It is stuck in the cover plate（3）'s
Lower end.
2. a kind of power lithium-ion battery cover plate dipole column according to claim 1 draws negative end plate square structure, its
It is characterised by：The end plate pole through hole（4）Top be divided into reverse frustoconic, bottom is divided into cylinder, and the cover plate pole leads to
Hole（5）Top be divided into cylinder, bottom is divided into truncated cone-shaped.
3. a kind of power lithium-ion battery cover plate dipole column according to claim 2 draws negative end plate square structure, its
It is characterised by：The end plate pole through hole（4）The side wall of reverse frustoconic be inclined-plane, the cover plate pole through hole（5）Round platform
The side wall of shape is concave surface.
4. a kind of power lithium-ion battery cover plate dipole column according to claim 4 draws negative end plate square structure, its
It is characterised by：The structure of appearing on the stage（6）Bottom be and the cover plate pole through hole（5）The truncated cone-shaped that bottom split-phase is agreed with, institute
State structure of appearing on the stage（6）Upper end formed after staking and the end plate pole through hole（4）The reverse frustoconic that agrees with of top split-phase.
5. a kind of power lithium-ion battery cover plate dipole column according to claim 1 draws negative end plate square structure, its
It is characterised by：The double hole square end plate（1）With the cover plate（3）Between be provided with end plate insulation spacer（8）, the end plate felt pad
Piece（8）It is wrapped in the double hole square end plate（1）Surrounding and bottom, the end plate insulation spacer（8）It is provided with through hole.
6. a kind of power lithium-ion battery cover plate dipole column according to claim 5 draws negative end plate square structure, its
It is characterised by：The structure of appearing on the stage（6）With the cover plate（3）Between be provided with the convex pad of cone seal（9）, the convex pad of cone seal
（9）Upper part pass through the cover plate pole through hole（5）And the end plate insulation spacer（8）On through hole, bottom is stuck in
The cover plate（3）Lower end, the structure of appearing on the stage（6）Through the convex pad of the cone seal（9）, the flat structure（7）It is stuck in
The convex pad of cone seal（9）Lower end.
7. a kind of power lithium-ion battery cover plate dipole column according to claim 6 draws negative end plate square structure, its
It is characterised by：The cover plate（3）Lower end be provided with cover plate insulation spacer（10）, the cover plate insulation spacer（10）It is provided with logical
Hole, the convex pad of cone seal（9）Bottom in the cover plate insulation spacer（10）Through hole in, the flat structure（7）'s
Diameter is more than the cover plate insulation spacer（10）Through hole diameter, the flat structure（7）It is stuck in the convex pad of the cone seal
（9）And the cover plate insulation spacer（10）Lower end.
8. a kind of power lithium-ion battery cover plate dipole column according to claim 1 draws negative end plate square structure, its
It is characterised by：The negative pole rod structure（2）Flat structure of lower end（7）It is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980313.1A CN107887534A (en) | 2017-10-19 | 2017-10-19 | A kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980313.1A CN107887534A (en) | 2017-10-19 | 2017-10-19 | A kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107887534A true CN107887534A (en) | 2018-04-06 |
Family
ID=61781693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710980313.1A Pending CN107887534A (en) | 2017-10-19 | 2017-10-19 | A kind of power lithium-ion battery cover plate dipole column draws negative end plate square structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107887534A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824596A (en) * | 2022-04-06 | 2022-07-29 | 星恒电源股份有限公司 | Simple square battery end cover and square battery |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009037817A (en) * | 2007-08-01 | 2009-02-19 | Toyota Motor Corp | Battery |
| CN102035020A (en) * | 2010-11-23 | 2011-04-27 | 天津力神电池股份有限公司 | Novel lager-capacity lithium ion battery |
| CN201838674U (en) * | 2010-11-10 | 2011-05-18 | 南京中大青山电动汽车有限公司 | Novel lithium-ion storage battery |
| CN205723667U (en) * | 2016-06-07 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Electrokinetic cell top cover and electrokinetic cell thereof |
| CN106684269A (en) * | 2017-01-19 | 2017-05-17 | 佛山市康荣精细陶瓷有限公司 | Cover plate structure for lithium battery and manufacturing method thereof |
| CN207398193U (en) * | 2017-10-19 | 2018-05-22 | 江西恒动新能源有限公司 | A kind of power lithium-ion battery cover board dipole column draws negative end plate square structure |
-
2017
- 2017-10-19 CN CN201710980313.1A patent/CN107887534A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009037817A (en) * | 2007-08-01 | 2009-02-19 | Toyota Motor Corp | Battery |
| CN201838674U (en) * | 2010-11-10 | 2011-05-18 | 南京中大青山电动汽车有限公司 | Novel lithium-ion storage battery |
| CN102035020A (en) * | 2010-11-23 | 2011-04-27 | 天津力神电池股份有限公司 | Novel lager-capacity lithium ion battery |
| CN205723667U (en) * | 2016-06-07 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Electrokinetic cell top cover and electrokinetic cell thereof |
| CN106684269A (en) * | 2017-01-19 | 2017-05-17 | 佛山市康荣精细陶瓷有限公司 | Cover plate structure for lithium battery and manufacturing method thereof |
| CN207398193U (en) * | 2017-10-19 | 2018-05-22 | 江西恒动新能源有限公司 | A kind of power lithium-ion battery cover board dipole column draws negative end plate square structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824596A (en) * | 2022-04-06 | 2022-07-29 | 星恒电源股份有限公司 | Simple square battery end cover and square battery |
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