CN103904257B - The cover plate of power battery of anti-galvano-cautery - Google Patents
The cover plate of power battery of anti-galvano-cautery Download PDFInfo
- Publication number
- CN103904257B CN103904257B CN201410139133.7A CN201410139133A CN103904257B CN 103904257 B CN103904257 B CN 103904257B CN 201410139133 A CN201410139133 A CN 201410139133A CN 103904257 B CN103904257 B CN 103904257B
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- Prior art keywords
- substrate
- pole
- cover plate
- negative
- galvano
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 68
- 239000004033 plastic Substances 0.000 claims abstract description 40
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel 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
- H01M50/148—Lids or covers characterised by their shape
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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 cover plate of power battery of anti-galvano-cautery, including substrate, positive pole post holes and negative pole post holes are provided with described substrate, described positive pole post holes and negative terminal in the hole are equipped with positive terminal and negative terminal respectively, described positive pole post holes and negative terminal hole position are set to step in the upper surface of substrate, the lower surface that described substrate is located near positive pole post holes and negative pole post holes is provided with multiple substrate blind holes, described positive terminal and negative terminal abut the pole blind hole being both provided with base lower surface matching with substrate blind hole, it is embedded with ceramics pole between described substrate blind hole and corresponding pole blind hole, the upper surface that described positive terminal is located at substrate is closely arranged with quasiconductor plastic pad, the lower section of described quasiconductor plastic pad embeds in the step of positive pole post holes.The present invention has the advantages that to increase cover plate anti-galvano-cautery while increasing pole rotation stop moment of torsion.
Description
Technical field
The present invention relates to accessory battery, especially relate to a kind of cover plate that can increase while increasing pole rotation stop moment of torsion and resist
The cover plate of power battery of galvano-cautery.
Background technology
Electrokinetic cell is the important component part of new forms of energy battery, and electrokinetic cell keeps the development of new-energy automobile in check, because
And, the safety of battery and Practical Performance are its particularly important performance parameters, and the sealing of cover plate of power battery and connection effect
And the galvano-cautery emphasis exactly therein of battery case and cover plate, good sealing and connection effect and battery case cap anticorrosive
Property can increase the security performance of battery and battery is assembled into the practicality such as convenient and swift of module, and the battery cover of prior art
Plate also difficult to reach ideal effect in terms of cell safety and monocell connection.
Content of the invention
For solving the above problems, it is an object of the invention to provide one kind can increase while increasing pole rotation stop moment of torsion
The cover plate of power battery of the anti-galvano-cautery of cover plate.
The present invention is realized by following technical measures, a kind of cover plate of power battery of anti-galvano-cautery, including substrate, described
Positive pole post holes and negative pole post holes are provided with substrate, described positive pole post holes and negative terminal in the hole are equipped with positive terminal and negative pole respectively
Post, described positive pole post holes and negative terminal hole position are set to step in the upper surface of substrate, and described substrate is located at positive pole post holes and bears
Lower surface near pole column hole is provided with multiple substrate blind holes, and described positive terminal and negative terminal abut and all arrange at base lower surface
There is the pole blind hole matching with substrate blind hole, be embedded with ceramics pole between described substrate blind hole and corresponding pole blind hole, institute
The upper surface stating positive terminal positioned at substrate is closely arranged with quasiconductor plastic pad, and the lower section of described quasiconductor plastic pad embeds positive pole
In the step of post holes.
As a kind of optimal way, the top of described positive terminal and negative terminal is both provided with a pole draw-in groove, described negative pole
The upper surface that post is located at substrate is closely arranged with negative pole plastic pad, all covers between described positive terminal and negative terminal and base lower surface
It is provided with seal washer, described pole draw-in groove is arranged with axle jump ring, described axle jump ring is fastened on quasiconductor plastic pad upper table
Positive terminal, seal washer and quasiconductor plastic pad are simultaneously closely stuck on substrate, or described axle jump ring is fastened on negative pole by face
Plastic pad upper surface simultaneously negative terminal, seal washer and negative pole plastic pad is closely stuck on substrate.
As a kind of optimal way, the upper surface that described positive terminal is located at substrate is arranged with a positive pole protection plastic pad.
As a kind of optimal way, the upper surface that described negative terminal is located at substrate is arranged with a negative pole protection plastic pad.
As a kind of optimal way, described substrate is provided with explosionproof hole, described explosion-proof in the hole is provided with burst disk, explosion-proof
Hole upper surface is provided with burst disk paster.
As a kind of optimal way, described substrate is additionally provided with liquid injection hole.
As a kind of optimal way, it is both provided with described positive terminal and negative terminal connecting female thread.
As a kind of optimal way, described base lower surface is additionally provided with the insulation spacer of injection.
The substrate of the present invention, in punch process, is changed by mould, the following table around positive pole post holes and negative pole post holes
If face stamps out stem substrate blind hole respectively, substrate is rotated against thus considerably increasing pole by loading cylindrical ceramic
Sealing after resistance and riveting.Thus reach the moment of torsion increasing cover plate and prevent the mesh on bubble-tight impact for the overvoltage
's；The present invention arranges, between positive terminal and substrate, the potential that quasiconductor plastic pad can effectively improve battery case and cover plate, prevents
Only battery case and cover plate are by the galvano-cautery that it is burst disk.Prevent battery cover board and shell by improving the potential of cover plate, special
It is not the galvano-cautery of the burst disk about security performance on cover plate, it is to avoid electrokinetic cell is during normal use because in battery
The galvano-cautery in portion makes the rupture of battery cover board, shell and burst disk.Thus improving the service life of battery and the safety of use
Property.
Brief description
Fig. 1 is the top view of the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the upward view of the embodiment of the present invention；
Fig. 4 is the structural representation of the positive terminal of the embodiment of the present invention；
Fig. 5 is the top view of the substrate of the embodiment of the present invention；
Fig. 6 is the B-B cross-sectional view of Fig. 5.
Specific embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.
The cover plate of power battery of a kind of anti-galvano-cautery of the present embodiment, refer to accompanying drawing 1 to Fig. 6, including substrate 1, described
Positive pole post holes 101 and negative pole post holes 105 are provided with substrate 1, wear respectively in described positive pole post holes 101 and negative pole post holes 105
Have positive terminal 3 and negative terminal 9, described positive pole post holes 101 and negative pole post holes 105 be located at substrate upper surface be set to step 102,
106, the lower surface that described substrate 1 is located near positive pole post holes 101 and negative pole post holes 105 is provided with multiple substrate blind holes 107, institute
State positive terminal 3 and negative terminal 9 abut the pole blind hole 303 being both provided with substrate 1 lower surface matching with substrate blind hole 107,
It is embedded with cylindrical ceramic 7, described positive terminal 3 is located at substrate 1 between described substrate blind hole 107 and corresponding pole blind hole 303
Upper surface be closely arranged with stiffened quasiconductor plastic pad 5, the lower section of described quasiconductor plastic pad 5 embeds positive pole post holes 101
In step 102.
The substrate 1 of the present embodiment is to be made through punch process through mould and stamping machine by aluminium.Cylindrical ceramic 7 is to use
Aluminium sesquioxide forms through high temperature sintering.Positive terminal 4 is to be formed by aluminium is machined.Negative terminal 7 is through machinery by copper material
Process.Stiffened quasiconductor plastic pad 5 is formed by organic material injection molding that is corrosion-resistant and having characteristic of semiconductor.
The substrate 1 of the present embodiment, in punch process, is changed by mould, in positive pole post holes 101 and negative pole post holes 105 weeks
If the lower surface enclosing stamps out stem substrate blind hole 107 respectively, by loading cylindrical ceramic 7 thus considerably increasing pole to base
Plate rotate against resistance and riveting after sealing.Thus reach the moment of torsion increasing cover plate and prevent overvoltage to air-tightness
Impact purpose；The present embodiment arranges quasiconductor plastic pad 5 between positive terminal 3 and substrate 1 and can effectively improve battery case
With the potential of cover plate, prevent battery case and cover plate by the galvano-cautery that it is burst disk.Prevent electricity by improving the potential of cover plate
On pond cover plate and shell, particularly cover plate about security performance burst disk galvano-cautery, it is to avoid electrokinetic cell normally makes
With during make the rupture of battery cover board, shell and burst disk because of the galvano-cautery of inside battery.Thus improving the use longevity of battery
Life and the safety using.
The cover plate of power battery of the anti-galvano-cautery of the present embodiment, refer to Fig. 2 and Fig. 4, on the basis of previous technique scheme
Above specifically it is also possible that the top of positive terminal 3 and negative terminal 9 is both provided with a pole draw-in groove 302, described negative terminal 9 is located at base
The upper surface of plate is closely arranged with negative pole plastic pad 10, all sheathed between described positive terminal 3 and negative terminal 9 and substrate 1 lower surface
There is seal washer 6, described pole draw-in groove 302 is arranged with axle jump ring 4, described axle jump ring 4 is fastened on quasiconductor plastic pad 5
Positive terminal 3, seal washer 6 and quasiconductor plastic pad 5 are simultaneously closely blocked on substrate 1, or described axle jump ring 4 blocks by upper surface
It is located at negative pole plastic pad 10 upper surface and negative terminal 6, seal washer 6 and negative pole plastic pad 10 are closely stuck on substrate.
Seal washer 6 is to be formed through injection molding by corrosion resistant temperature-resistant material.Axle jump ring 4 is to be stamped to form with rustless steel.
After the stamped machine-shaping of substrate 1, positive terminal 3 and negative terminal 9 are each passed through injection seal washer 6, and positive terminal 3 is through sealing
After packing ring 6 and cylindrical ceramic 7 is loaded pole blind hole 301, then pass through between substrate 1, be then passed through stiffened quasiconductor and mould
Axle jump ring 4 is simultaneously blocked upper positive terminal 3 with external pliers, then with special fixture, axle jump ring 4 is pressed into pole card by rubber cushion 5
In groove 302.Positive terminal 3 and negative terminal 9 process a circle pole draw-in groove 302 in processing, thus cover plate is whole on cylinder
Assembling can fix other parts by using axle with jump ring 4, and need not come the zero of securing cover plate using riveting pole
Part, thus guarantee has been gone up, and the smooth of cover plate is convenient with what cover plate was processed, the pole column hole upper surface of substrate 1 increases pole column hole round platform
Rank, makes substrate accurate positioning when with annular pottery assembling, is easy to assembling and improve production efficiency.
The cover plate of power battery of the anti-galvano-cautery of the present embodiment, refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme
Above specifically it is also possible that the upper surface that positive terminal 3 is located at substrate 1 is arranged with a positive pole protection plastic pad 2.Negative terminal position 9 is in base
The upper surface of plate 1 is arranged with a negative pole protection plastic pad 11.Positive pole protection plastic pad 2 is to use plastic cement with negative pole protection plastic pad 11
Material is through being molded.
The cover plate of power battery of the anti-galvano-cautery of the present embodiment, refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme
Above specifically it is also possible that explosionproof hole 104 is provided with substrate 1, in described explosionproof hole 104, it is provided with burst disk 8, explosionproof hole 104
Upper surface is provided with burst disk paster 81.Burst disk 8 is to be stamped to form with aluminium, burst disk paster 81 be cut with plastic rubber material after
Section's glue is made, and rupture pressure disc 8 and substrate 1, through laser welding, the cover plate assembling are put into injection in injection mold and is completed down
Insulation plastic cement, positive pole protection plastic pad 2, negative pole protection plastic pad 11, make the completed power battery cover board for whole battery.
The cover plate of power battery of the anti-galvano-cautery of the present embodiment, refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme
Above specifically it is also possible that liquid injection hole 103 is additionally provided with substrate 1.
The cover plate of power battery of the anti-galvano-cautery of the present embodiment, refer to Fig. 2 and Fig. 4, on the basis of previous technique scheme
Above specifically it is also possible that being both provided with positive terminal 3 and negative terminal 9 connecting female thread 301.Riveting briquetting due to prior art
Surface is plane, can only carry out external connection with laser welding, and directly be turned round with the cover plate rivet force and rotation stop of bolt riveting
Not, the present inventor sufficiently considers the advantage and defect of two ways to square in design, after mounting in pole plane
In the heart increase setting one screwed hole 301, can meet simultaneously two kinds of different connected modes and effect ensure that efficiency with can
By property.The present inventor solves when power cover plate is threaded connection and turns round hypodynamic problem, and effectively ensures air-tightness, makes
Obtain convenient and fast connection between battery, safety simultaneously is also improved.The quick and stable that electrokinetic cell industry can be made develops,
Producing by batch beneficial to electrokinetic cell, the demand of supply electric automobile, this makes it possible to preferably realize electrokinetic cell of the present invention
The practical value of cover plate and economic worth.
The cover plate of power battery of the anti-galvano-cautery of the present embodiment, refer to Fig. 2, concrete on the basis of previous technique scheme
It is also possible that substrate 1 lower surface is additionally provided with the insulation spacer 5 of injection.Insulation spacer 5 is through injection with plastic material
Become,
It is more than that cover plate of power battery to the anti-galvano-cautery of the present invention is set forth, be used to help understand the present invention, but
Embodiments of the present invention are simultaneously not restricted to the described embodiments, any without departing from the change made under the principle of the invention, modification,
Substitute, combine, simplify, all should be equivalent substitute mode, be included in the interior of protection scope of the present invention.
Claims (8)
1. a kind of cover plate of power battery of anti-galvano-cautery it is characterised in that：Including substrate, described substrate is provided with positive pole post holes
With negative pole post holes, described positive pole post holes and negative terminal in the hole be equipped with positive terminal and negative terminal respectively, described positive pole post holes and negative
The upper surface that pole column hole is located at substrate is set to step, and the lower surface that described substrate is located near positive pole post holes and negative pole post holes sets
It is equipped with multiple substrate blind holes, described positive terminal and negative terminal are abutted and be both provided with base lower surface being matched with substrate blind hole
Pole blind hole, is embedded with ceramics pole between described substrate blind hole and corresponding pole blind hole, described positive terminal is located at the upper of substrate
The surface closely sheathed quasiconductor plastic pad being improved battery case and the potential of cover plate, the lower section of described quasiconductor plastic pad is embedding
Enter in the step of positive pole post holes.
2. anti-galvano-cautery according to claim 1 cover plate of power battery it is characterised in that：Described positive terminal and negative terminal
Top be both provided with a pole draw-in groove, described negative terminal be located at substrate upper surface be closely arranged with negative pole plastic pad, described
All it is arranged with seal washer between positive terminal and negative terminal and base lower surface, described pole draw-in groove is arranged with axle jump ring,
Described axle jump ring is fastened on quasiconductor plastic pad upper surface and closely blocks positive terminal, seal washer and quasiconductor plastic pad
On substrate, or described axle jump ring is fastened on negative pole plastic pad upper surface and by negative terminal, seal washer and negative pole plastic pad
Closely it is stuck on substrate.
3. anti-galvano-cautery according to claim 1 and 2 cover plate of power battery it is characterised in that：Described positive terminal is located at
The upper surface of substrate is arranged with a positive pole protection plastic pad.
4. anti-galvano-cautery according to claim 1 and 2 cover plate of power battery it is characterised in that：Described negative terminal is located at
The upper surface of substrate is arranged with a negative pole protection plastic pad.
5. anti-galvano-cautery according to claim 1 and 2 cover plate of power battery it is characterised in that：Arrange on described substrate
There is explosionproof hole, described explosion-proof in the hole is provided with burst disk, described explosionproof hole upper surface is provided with burst disk paster.
6. anti-galvano-cautery according to claim 1 and 2 cover plate of power battery it is characterised in that：Also set on described substrate
It is equipped with liquid injection hole.
7. anti-galvano-cautery according to claim 1 and 2 cover plate of power battery it is characterised in that：Described positive terminal and negative
It is both provided with pole connecting female thread.
8. anti-galvano-cautery according to claim 1 and 2 cover plate of power battery it is characterised in that：Described base lower surface
It is additionally provided with the insulation spacer of injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139133.7A CN103904257B (en) | 2014-04-08 | 2014-04-08 | The cover plate of power battery of anti-galvano-cautery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139133.7A CN103904257B (en) | 2014-04-08 | 2014-04-08 | The cover plate of power battery of anti-galvano-cautery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904257A CN103904257A (en) | 2014-07-02 |
| CN103904257B true CN103904257B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139133.7A Active CN103904257B (en) | 2014-04-08 | 2014-04-08 | The cover plate of power battery of anti-galvano-cautery |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702889B (en) * | 2016-04-08 | 2018-05-08 | 深圳市瑞德丰精密制造有限公司 | The forming method of battery cap |
| CN205657096U (en) * | 2016-05-16 | 2016-10-19 | 宁德时代新能源科技股份有限公司 | Secondary cell top cap |
| 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 |
| JP7041487B2 (en) * | 2017-10-17 | 2022-03-24 | 株式会社Ｇｓユアサ | Power storage element |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203871390U (en) * | 2014-04-08 | 2014-10-08 | 深圳市科达利实业股份有限公司 | Power battery cover plate with electrocorrosion resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570531U (en) * | 2009-12-02 | 2010-09-01 | 黄德欢 | Pressure release valve for lithium ion batteries |
| JP5573219B2 (en) * | 2010-02-18 | 2014-08-20 | ソニー株式会社 | THIN FILM TRANSISTOR, ELECTRONIC DEVICE, AND ITS MANUFACTURING METHOD |
| JP5681005B2 (en) * | 2011-03-14 | 2015-03-04 | 日立マクセル株式会社 | Flat battery |
| CN103296228A (en) * | 2013-05-30 | 2013-09-11 | 深圳市科达利实业股份有限公司 | Circular power battery cover plate |
| CN103682184A (en) * | 2013-12-26 | 2014-03-26 | 深圳市科达利实业股份有限公司 | Power battery cover plate |
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2014
- 2014-04-08 CN CN201410139133.7A patent/CN103904257B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203871390U (en) * | 2014-04-08 | 2014-10-08 | 深圳市科达利实业股份有限公司 | Power battery cover plate with electrocorrosion resistance |
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| CN103904257A (en) | 2014-07-02 |
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