CN108198966A - A kind of battery cover board with novel pole sealing structure - Google Patents
A kind of battery cover board with novel pole sealing structure Download PDFInfo
- Publication number
- CN108198966A CN108198966A CN201711245265.8A CN201711245265A CN108198966A CN 108198966 A CN108198966 A CN 108198966A CN 201711245265 A CN201711245265 A CN 201711245265A CN 108198966 A CN108198966 A CN 108198966A
- Authority
- CN
- China
- Prior art keywords
- hole
- battery
- cover board
- negative terminal
- washer
- 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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Classifications
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- 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 of a single cell or a single battery
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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 of a single cell or a single battery
- 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
Abstract
The invention discloses a kind of battery cover boards with novel pole sealing structure, it is characterized in that, including cover plate main body (3), the left and right ends of the cover plate main body (3) have first through hole (31) and the second through-hole (32)；Positive terminal (7) is provided in the first through hole (31), negative terminal (8) is provided in second through-hole (32)；Porcelain ring (6) there are one being tightly connected between first through hole (31) the medial surface lower part and the positive terminal (7) lower part；Porcelain ring (6) there are one being also tightly connected between second through-hole (32) the medial surface lower part and the negative terminal (8) lower part；Cover plate main body (3) the bottom left and right ends have been respectively fixedly connected with anode Upper gasket (9) and cathode Upper gasket (10).The present invention effectively can be sealed processing to the pole of battery, avoid occurring leakage phenomenon at the sealing of pole, ensure the safe handling of battery, extend battery.
Description
Technical field
The present invention relates to battery technology field, more particularly to a kind of battery cover board with novel pole sealing structure.
Background technology
At present, lithium ion battery has safe, efficient, pollution-free, higher than energy, abundant raw materials, recycling time
The advantages that number is more, storage time is long, not only on a portable electronic device as mobile phone, DV and laptop computer obtain
To extensive use, and it is widely used in the large and medium-sized electrical equipment side such as electric vehicle, electric bicycle and electric tool
Face, thus it is higher and higher to the safety requirements of lithium ion battery.
But for current lithium-ion-power cell, main application is in passenger car.For lithium-ion-power cell,
There is the requirement of high rate charge-discharge.Therefore inevitably there is the excessively high phenomenon of temperature of battery, it, will be to electricity after long-time service
The sealing element of pond pole causes inevitably to damage, and different degrees of leakage phenomenon is will appear at the sealing of pole, when serious,
The electrolyte for resulting even in inside battery leaks, and seriously affects the safe to use of battery, reduces the entirety of battery and makes
Use the service life.In addition, for existing lithium-ion-power cell, when the riveting degree of its pole and battery cover board not enough, the shape of pole
When becoming uneven or the battery electrode column of abnormity being riveted, it will also result at the sealing of pole and occur in various degree
Leakage phenomenon.
In view of this, effectively the pole of battery can be sealed there is an urgent need to develop a kind of technology is gone out at present
Processing, avoids occurring leakage phenomenon at the sealing of pole, ensures the safe handling of battery, extend the service life of battery, and then
Improve use feeling of the user to battery product.
Invention content
It in view of this, can the object of the present invention is to provide a kind of battery cover board with novel pole sealing structure
Processing effectively is sealed to the pole of battery, avoids occurring leakage phenomenon at the sealing of pole, ensureing the safety of battery makes
With extending the service life of battery, and then improve use feeling of the user to battery product, be conducive to improve cell production companies
The market application foreground of product, is of great practical significance.
For this purpose, the present invention provides a kind of battery cover board with novel pole sealing structure, it is described including cover plate main body
The left and right ends of cover plate main body have first through hole and the second through-hole；
Positive terminal is provided in the first through hole, negative terminal is provided in second through-hole；
Porcelain ring there are one being tightly connected between the first through hole medial surface lower part and the positive terminal lower part；
The porcelain ring there are one being also tightly connected between the second through-hole medial surface lower part and the negative terminal lower part；
The bottom left and right ends of the cover plate main body are respectively fixedly connected with that there are one padded on anode Upper gasket and a cathode
Piece.
Wherein, it is Welding between the lower part outer wall of the medial surface of the porcelain ring and the positive terminal or negative terminal
Together；
The outside of the porcelain ring and the medial surface lower part of the first through hole or the medial surface lower part of second through-hole
Between for Welding together.
Wherein, the anode Upper gasket and cathode Upper gasket mutually block respectively with the bottom left and right ends of the cover plate main body
It connects.
Wherein, it opens at the top of the anode Upper gasket there are one positive terminal holding tank, is opened at the top of the cathode Upper gasket
There are one negative terminal holding tank, shape, the size of the positive terminal holding tank are opposite with shape, the size of the anode column bottom
It should match, shape, the size matching corresponding with shape, the size of the cathode column bottom of the negative terminal holding tank；
For clearance fit between the positive terminal holding tank and the anode column bottom, the negative terminal holding tank with it is described
It is clearance fit between cathode column bottom.
Wherein, positive conductive there are one being tightly connected between the positive terminal top and the first through hole medial surface top
Washer, there are one negative insulation washers for sealed connection between the top of the negative terminal and the second through-hole medial surface top.
Wherein, the positive conductive washer is wrapped on the positive terminal, and the negative insulation washer is wrapped in described negative
On pole.
Wherein, the positive conductive washer and negative insulation washer are respectively adopted the mode of injection and are assembled to the cover board master
In the first through hole of body and the second through-hole.
Wherein, the positive conductive washer is conductive plastic washer；
The negative insulation washer is insulated plastic washer.
Wherein, leakage port there are one the middle part tools of the cover plate main body, the bottom surrounding covering of the leakage port to be welded with
One rupture pressure disc, there are one rupture pressure disc patches for the top covering patch of the leakage port；
Accordingly, the anode Upper gasket is being provided with ventilation net with the corresponding position of the rupture pressure disc.
By above technical solution provided by the invention as it can be seen that compared with prior art, the present invention provides one kind to have
The battery cover board of novel pole sealing structure effectively can be sealed processing to the pole of battery, avoid the close of pole
Occur leakage phenomenon at envelope, ensure the safe handling of battery, extend the service life of battery, and then improve user to battery product
Use feeling, be conducive to improve cell production companies product market application foreground, be of great practical significance.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the battery cover board with novel pole sealing structure provided by the invention；
Fig. 2 is that a kind of dimensional decomposition structure of battery cover board with novel pole sealing structure provided by the invention is illustrated
Figure；
Fig. 3 is a kind of sectional view of the battery cover board with novel pole sealing structure provided by the invention；
In figure：1 is negative insulation washer, and 2 be positive conductive washer, and 3 be cover plate main body, and 4 paste for explosion-proof valve, and 5 be explosion-proof
It touches, 6 be ceramic valve, and 7 be positive terminal, and 8 be negative terminal, and 9 be anode Upper gasket, and 10 be cathode Upper gasket；
11 be leakage port, and 90 be positive terminal holding tank, and 91 be ventilation net, and 100 be cathode holding tank.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Referring to Fig. 1 to Fig. 3, the present invention provides a kind of battery cover board with novel pole sealing structure, structure masters
To be suitable for the battery using aluminium material shell as basic mechanism, it is special to apply to high-energy, efficient power battery.
A kind of battery cover board with novel pole sealing structure provided by the invention, including cover plate main body 3, the cover board
The left and right ends of main body 3 have 31 and second through-hole 32 of first through hole；
Positive terminal 7 is provided in the first through hole 31, negative terminal 8 is provided in second through-hole 32；
It is tightly connected between the 31 medial surface lower part of first through hole and 7 lower part of the positive terminal (being specially Welding)
There are one porcelain rings 6；
Also be tightly connected between second through-hole, the 32 medial surface lower part and 8 lower part of the negative terminal (is specially laser pricker
Weldering) there are one the porcelain rings 6；
The bottom left and right ends of the cover plate main body 3 are respectively fixedly connected with that there are one on anode Upper gasket 9 and a cathode
Gasket 10.
In the present invention, in specific implementation, under the medial surface of the porcelain ring 6 and the positive terminal 7 or negative terminal 8
Between portion's outer wall for Welding together；
The outside of the porcelain ring 6 and the medial surface lower part of the first through hole 31 or the inside of second through-hole 32
Between the lower part of face for Welding together.
Therefore, for the present invention, by by the medial surface of porcelain ring 6 respectively under the positive terminal 7 or negative terminal 8
Portion's outer wall Welding, while by the medial surface lower part or described second of the outside of the porcelain ring 6 and the first through hole 31
The medial surface lower part Welding of through-hole 32, forms good sealing structure, can significantly ensure positive terminal 7 and negative terminal 8
Leakproofness, meanwhile, porcelain ring 6 has heat safe characteristic, therefore, for the present invention, even if after battery is used for a long time, there is electricity
During the excessively high phenomenon of pond temperature, as the sealing element of battery electrode column, it will not be affected, so as to effectively avoid due to battery
Leakage problem at the sealing of pole caused by high temperature.
It should be noted that for the present invention, the porcelain ring 6 has good insulating effect, and heat conductivility is excellent
It is different, high temperature resistance is good.The porcelain ring 6 itself use ceramic material, determine it have good thermal stability and
Excellent insulation performance, so that the battery prepared by with the present invention, in the condition of normal use, the battery of the battery
Required melting temperature when the temperature of pole can also connect well below lead welding is carried out on cover board, so that pole is not readily susceptible to
The influence of high temperature.
In the present invention, in specific implementation, the anode Upper gasket 9 and cathode Upper gasket 10 respectively with the cover plate main body
3 bottom left and right ends are mutually clamped, and are mutually clamped especially by the mode of buckle.
In specific implementation, the top of the anode Upper gasket 9 opens that there are one positive terminal holding tank 90, the cathode Upper gaskets
10 top is opened there are one negative terminal holding tank 100, shape, size and 7 bottom of positive terminal of the positive terminal holding tank 90
The corresponding matching of shape, size in portion, shape, size and the shape of 8 bottom of negative terminal of the negative terminal holding tank 100
The corresponding matching of shape, size is clearance fit between 7 bottom of the positive terminal holding tank 90 and the positive terminal, the cathode
It is clearance fit between 8 bottom of column holding tank 100 and the negative terminal.Therefore, can cause it is accurate, be inerrably clamped.
In the present invention, in order to further ensure the positive terminal 7 of the present invention and the sealing effect of negative terminal 8, enhancing sealing
Reliability, be tightly connected that there are one positive conductives between 31 medial surface top of 7 top of positive terminal and the first through hole
Washer 2, is tightly connected that there are one negative insulations between 32 medial surface top of the top of the negative terminal 8 and second through-hole
Washer 1.
In specific implementation, the positive conductive washer 2 is wrapped on the positive terminal 7, and the negative insulation washer 1 wraps up
On the negative terminal 8.
In specific implementation, the mode that injection is respectively adopted in the positive conductive washer 2 and negative insulation washer 1 is assembled to institute
In 31 and second through-hole 32 of first through hole for stating cover plate main body 3.
In specific implementation, the positive conductive washer 2 is preferably that conductive plastic (is added with the polyphenylene sulfide of conductive material
PPS plastic cement) washer.
In specific implementation, the negative insulation washer 1 is preferably insulated plastic (the polyphenylene thioether PPS plastic cement of insulation) pad
Circle.
Need what is illustrated, for the present invention, due to using conduction between positive terminal 7 and the first through hole 31 of cover plate main body 3
Plastic cement PPS is molded to form positive conductive washer 2.Since the positive conductive washer 2 is that conductive plastic (is added with conductive material
Polyphenylene thioether PPS plastic cement) washer, the positive conductive washer 2 itself carry resistance, be equivalent to the positive terminal in battery cover board
A resistance is increased, so as to improve the potential of anode, so as to which lithium Li ions is effectively inhibited to be mounted to battery
Aluminum hull among, it is etch-proof so as to play the role of.Further, since the presence of the positive conductive washer 2 so that when battery electricity
It when the external cathode of core is with battery case short circuit, is equivalent to and increases an electrical appliance (resistance) in the loop so that electricity
Pond battery core is powered to this resistance, and so as to reduce or avoid in use, battery battery core occurs because of caused by misoperation
Short circuit and the problem of sparking.
It should also be noted that, in the present invention, the conductive plastic can be any one added with conductive material
Polyphenylene thioether PPS plastic cement, and with relatively stable resistance value, such as can be compound-type conducting plastic cement, refer to through physics
Modified conductive plastics, usually by conductive material such as carbon black, carbon fiber, graphite, metal powder, wire etc.
It blends and is made in resin.The insulated plastic can be any one polyphenylene thioether PPS plastic cement with good insulating performance.
In the present invention, in specific implementation, there are one leakage port 11, the leakage ports for the middle part tool of the cover plate main body 3
11 bottom surrounding covers welding, and there are one rupture pressure discs 5, and there are one the top covering patches of the leakage port 11, and rupture pressure disc pastes 4.Cause
This, is by the setting of the rupture pressure disc 5 and rupture pressure disc patch 4, the inside gas of battery that can be installed in the battery cover board of the present invention
When pressure is capable of the pressure of pressure-bearing more than rupture pressure disc 5, the gas of inside battery is discharged in time, finally plays the effect of decompression so that
The air pressure of inside battery is maintained at a relatively stable state, and then ensures the safe to use of battery.
Accordingly, the anode Upper gasket 9 is with the 5 corresponding position of rupture pressure disc (i.e. immediately below rupture pressure disc 5
Position) it is provided with ventilation net 91.
In the present invention, it should be noted that for battery cover board provided by the invention, the cover plate main body 3 having, just
The components such as pole 7, negative terminal 8, anode Upper gasket 9 and cathode Upper gasket 10 are made (such as aluminium) of the metal easily welding.
For the present invention, the bottom of the cover plate main body 3 is flat, therefore, suitable for two kinds of matching lamination and winding
Battery pole group made of mode, the range that the battery finally made can be applicable in are wide.
The preparation process of the battery cover board provided by the invention with novel pole sealing structure is carried out briefly below
It is bright.
First, by porcelain ring 6 from upper 31 and second through-hole 32 of first through hole for being up put into cover plate main body 1, Ran Houtong
Cross Welding together；
Then it, then by being brazed positive terminal 7, negative terminal 8 is welded to connect with porcelain ring, is sealed so as to form one
Structure；
Then, positive conductive washer glue 2 and negative insulation washer 1 are assembled to by way of injection on cover plate main body 3,
And so that the positive conductive washer 2 is wrapped on the positive terminal 7 and so that the negative insulation washer 1 is wrapped in
On the negative terminal 8；
It then, will be in 11 bottom of the leakage port welding at 3 middle part of rupture pressure disc 5 and cover plate main body；
Then, anode Upper gasket 9 and cathode Upper gasket 10 are distributed to the left side that cover plate main body 3 is assembled to by the form of buckle
Right both ends bottom；
Finally, explosion-proof valve patch 4 is attached to 11 top of leakage port of cover plate main body 3, so as to complete the system of entire battery cover board
It is standby.
It should be noted that for battery, takeup type and stacked two kinds of pole groups generally may be used, the lug of stretching is used
The advanced prewelding of ultrasonic wave, then using laser welding by pole group and positive terminal (such as anode rivet) and negative terminal (such as cathode rivet)
It is welded.In order to ensure that battery-heating is less, need prewelding and laser welding more real, welding surface is more smooth during laser welding,
Solder joint is relatively deep as possible, but the empty situation of weldering cannot occurs.
Therefore, based on above-mentioned technical proposal it is found that for battery cover board provided by the invention, using its battery prepared
Safety is good, and (porcelain ring 6, positive conductive washer 2 and cathode are exhausted for the sealing element of 8 the two poles of positive terminal 7 and negative terminal
Edge washer 1 etc.) it is less likely to occur to corrode, meanwhile, also with good heat conductivility.
Therefore, for the present invention, in long-term normal work, internal temperature, air pressure are maintained at the battery applied
One relatively stable state, does not have safety problem.The present invention can be effectively prevented from battery in the production process, assembling
(Pack) destruction caused by sealing element due to high temperature in welding process.
It should be noted that in the case that battery structure is in completely closed, at a certain temperature, in the battery
The air pressure in portion space is metastable.For sealing materials such as existing fluorubber, they are in high temperature for a long time and aging
It during waiting uses, situations such as sealing of battery may be influenced, is formed with the prior art and significantly compared, the present invention uses
Porcelain ring is sealed positive terminal and negative terminal, and the thermal stability of this sealing means is relative to the existing sealing such as fluorubber
Material is more excellent, and the capacity of heat transmission is preferable, can positive terminal and negative terminal be generated heat in time and distributed, therefore,
The battery applied of the present invention can be enabled in the case of normal work, internal temperature and air pressure be maintained at one it is stable
State.
It should be noted that for a lithium-ion-power cell, in use, due to high-power charge and discharge etc.
Factor, the temperature at battery electrode column is often highest, and traditional fluorubber and perfluoroalkoxy resin (PFA) sealing all can be because
The excessively high generation deformation of temperature, so as to influence the sealing effect of battery.Conventional seals make there is also the process of an aging simultaneously
It is grown with the time, battery leakage may be caused due to sealing element aging.And by using the present invention, using the soldering of porcelain ring
Technology has been effectively shielded from this risk.The present invention is by using soldering tech, and the air-tightness of the soldering tech is especially good, relatively
In the existing mode for riveting battery electrode column and battery cover board, it can ensure the shape and size of battery electrode column, this hair
Bright to be suitable for fixing the battery electrode column progress Welding of abnormity, the material property after welding is better able to be protected
Card.
In addition, for the present invention, positive conductive washer 2 itself can carry the resistance of 50~300 Ω, can improve
The potential of anode, the problems such as preventing shell burn into sparking.
For the present invention, the post sealing structure used, the range that can be used is wider, can be flat electricity
The cover board of pond cover board or foil lug winding with claw-type.The advantages of this sealing structure, is that use scope is wider, can
More in the form of variation, accuracy is preferable.
In conclusion compared with prior art, a kind of battery with novel pole sealing structure provided by the invention
Cover board effectively can be sealed processing to the pole of battery, avoid occurring leakage phenomenon at the sealing of pole, ensure electricity
The safe handling in pond extends the service life of battery, and then improves use feeling of the user to battery product, is conducive to improve electricity
The market application foreground of pond manufacturer product, is of great practical significance.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of battery cover board with novel pole sealing structure, which is characterized in that including cover plate main body (3), the cover board
The left and right ends of main body (3) have first through hole (31) and the second through-hole (32)；
Positive terminal (7) is provided in the first through hole (31), negative terminal (8) is provided in second through-hole (32)；
Porcelain ring (6) there are one being tightly connected between first through hole (31) the medial surface lower part and the positive terminal (7) lower part；
The ceramics there are one being also tightly connected between second through-hole (32) the medial surface lower part and the negative terminal (8) lower part
It encloses (6)；
The bottom left and right ends of the cover plate main body (3) are respectively fixedly connected with that there are one on anode Upper gasket (9) and a cathode
Gasket (10).
2. battery cover board as described in claim 1, which is characterized in that the medial surface of the porcelain ring (6) and the positive terminal
(7) or between the lower part outer wall of negative terminal (8) for Welding together；
The outside of the porcelain ring (6) and the medial surface lower part of the first through hole (31) or the inside of second through-hole (32)
Between the lower part of face for Welding together.
3. battery cover board as described in claim 1, which is characterized in that the anode Upper gasket (9) and cathode Upper gasket (10)
The bottom left and right ends with the cover plate main body (3) are mutually clamped respectively.
4. battery cover board as claimed in claim 3, which is characterized in that there are one being opened at the top of the anode Upper gasket (9) just
Pole holding tank (90) is opened at the top of the cathode Upper gasket (10) there are one negative terminal holding tank (100), and the positive terminal holds
Receive shape, the size matchings corresponding with the shape, size of the positive terminal (7) bottom of slot (90), the negative terminal holding tank
(100) shape, size matching corresponding with the shape, size of the negative terminal (8) bottom；
It is clearance fit between the positive terminal holding tank (90) and the positive terminal (7) bottom, the negative terminal holding tank
(100) it is clearance fit between the negative terminal (8) bottom.
5. battery cover board according to any one of claims 1 to 4, which is characterized in that positive terminal (7) top and described
Be tightly connected between first through hole (31) medial surface top there are one positive conductive washer (2), the top of the negative terminal (8) and
Negative insulation washer (1) there are one being tightly connected between second through-hole (32) the medial surface top.
6. battery cover board as claimed in claim 5, which is characterized in that the positive conductive washer (2) is wrapped in the anode
On column (7), the negative insulation washer (1) is wrapped on the negative terminal (8).
7. battery cover board as claimed in claim 5, which is characterized in that the positive conductive washer (2) and negative insulation washer
(1) mode that injection is respectively adopted is assembled in the first through hole (31) and the second through-hole (32) of the cover plate main body (3).
8. battery cover board as claimed in claim 5, which is characterized in that the positive conductive washer (2) is conductive plastic washer；
The negative insulation washer (1) is insulated plastic washer.
9. battery cover board according to any one of claims 1 to 4, which is characterized in that the middle part tool of the cover plate main body (3)
There are one leakage ports (11), and there are one rupture pressure disc (5), the leakage ports for the bottom surrounding covering welding of the leakage port (11)
(11) there are one rupture pressure disc patches (4) for top covering patch；
Accordingly, the anode Upper gasket (9) is being provided with ventilation net (91) with the rupture pressure disc (5) corresponding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245265.8A CN108198966A (en) | 2017-12-01 | 2017-12-01 | A kind of battery cover board with novel pole sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245265.8A CN108198966A (en) | 2017-12-01 | 2017-12-01 | A kind of battery cover board with novel pole sealing structure |
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|---|---|
| CN108198966A true CN108198966A (en) | 2018-06-22 |
Family
ID=62573453
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| CN201711245265.8A Pending CN108198966A (en) | 2017-12-01 | 2017-12-01 | A kind of battery cover board with novel pole sealing structure |
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Cited By (5)
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| CN109546018A (en) * | 2018-11-27 | 2019-03-29 | 欣旺达电子股份有限公司 | Battery cap and the power battery for using the battery cap |
| CN109830781A (en) * | 2019-01-28 | 2019-05-31 | 天津荣事顺发电子有限公司 | A kind of heat dissipation of battery pack and temperature balancing device |
| CN110165093A (en) * | 2019-04-01 | 2019-08-23 | 常熟高嘉能源科技有限公司 | A kind of PPS pole cover board |
| CN113803741A (en) * | 2021-08-25 | 2021-12-17 | 西安远航真空钎焊技术有限公司 | Pressure measuring hole and cooling flow channel cavity crossing prevention structure |
| CN114447534A (en) * | 2022-01-28 | 2022-05-06 | 天津市捷威动力工业有限公司 | Battery top cap and battery |
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| CN110071345A (en) * | 2019-01-28 | 2019-07-30 | 天津荣事顺发电子有限公司 | A kind of heat dissipation of battery pack and temperature balancing device |
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Application publication date: 20180622 |