CN102074676A - Power battery - Google Patents
Power battery Download PDFInfo
- Publication number
- CN102074676A CN102074676A CN2010106182683A CN201010618268A CN102074676A CN 102074676 A CN102074676 A CN 102074676A CN 2010106182683 A CN2010106182683 A CN 2010106182683A CN 201010618268 A CN201010618268 A CN 201010618268A CN 102074676 A CN102074676 A CN 102074676A
- Authority
- CN
- China
- Prior art keywords
- insulating trip
- electrokinetic cell
- battery
- pole
- cell according
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000012774 insulation material Substances 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 230000002349 favourable effect Effects 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 10
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- 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
- H01M50/186—Sealing members characterised by the disposition of the 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
-
- 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
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- 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
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- 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
- H01M50/552—Terminals characterised by their shape
- H01M50/561—Hollow metallic terminals, e.g. terminal bushings
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a power battery. The power battery comprises a battery shell, a battery core accommodated in the battery shell, electrolyte filled into the battery shell and a battery top cover which is arranged on the battery shell hermetically and is provided with posts, wherein the posts are isolated from the battery top cover by an insulation sheet made of a high-temperature resistant insulation material. When the temperature of the power battery is high in the using process, the insulation sheet made of the high-temperature resistant insulation material cannot be melted or burned out, so the posts can be prevented from contacting the battery top cover directly at the high temperature, a short circuit caused by the contact of a positive post and a negative post and the battery top cover can be prevented, and the safety performance of the power battery can be improved.
Description
Technical field
The present invention relates to a kind of electrokinetic cell, especially a kind of electrokinetic cell with good safety energy.
Background technology
At present, be typically provided with a layer insulating between the pole of available dynamic battery and the battery cap,, improve the security performance of electrokinetic cell to realize insulation at normal temperatures.
But, there is following defective at least in the available dynamic battery: because insulating barrier is to be made by plastic material, fusing point is lower, when high temperature appears in electrokinetic cell, plastic insulating layer between pole and battery cap can all melt or burnout, and cause the electrokinetic cell short circuit, influenced the security performance of electrokinetic cell.
In view of this, necessary provide a kind of have good safety can electrokinetic cell.
Summary of the invention
The objective of the invention is to: a kind of electrokinetic cell with good safety energy is provided.
To achieve these goals, the invention provides a kind of electrokinetic cell, it comprises battery container, is contained in the interior battery of battery container, is poured into the electrolyte in the battery container, and be seal-installed on the battery container and be provided with the battery cap of pole, wherein, isolate by the insulating trip insulation of making between pole and the battery cap by high-temperature insulation material.
With respect to prior art, electrokinetic cell of the present invention has the following advantages at least: when electrokinetic cell of the present invention in use high temperature occurs, the insulating trip of being made by high-temperature insulation material can not melt or burnout, therefore can avoid pole to be subjected to directly to contact with battery cap behind the high temperature, prevention improves the security performance of electrokinetic cell because of positive and negative pole all contacts the short circuit that causes with battery cap.
As a kind of improvement of electrokinetic cell of the present invention, described insulating trip is to be made by pottery or mica.
As a kind of improvement of electrokinetic cell of the present invention, described battery cap is provided with installing hole, and described electrode column sealing is installed in the installing hole.
As a kind of improvement of electrokinetic cell of the present invention, described pole is provided with base portion and from the upwardly extending trunk portion of base portion.
As a kind of improvement of electrokinetic cell of the present invention, be provided with the lower seal cushion rubber between the base portion of described pole and the described battery cap.
As a kind of improvement of electrokinetic cell of the present invention, described insulating trip comprises insulating trip and following insulating trip, and following insulating trip is embedded in the described lower seal cushion rubber.
As a kind of improvement of electrokinetic cell of the present invention, be provided with O-ring seal between described insulating trip and the described battery cap.
As a kind of improvement of electrokinetic cell of the present invention, described insulating trip comprises insulating trip and following insulating trip, and the described insulating trip of going up is embedded in the O-ring seal.
As a kind of improvement of electrokinetic cell of the present invention, described upward O-ring seal or lower seal cushion rubber are to be made by corrosion-resistant elastomeric material.
As a kind of improvement of electrokinetic cell of the present invention, be provided with cushion rubber bumper between described insulating trip and the described battery cap.
As a kind of improvement of electrokinetic cell of the present invention, described insulating trip is sintered on the described battery cap, is coated with the O-ring seal with favorable elasticity and corrosion resistance on the insulating trip.
Description of drawings
Below in conjunction with the drawings and specific embodiments, describe electrokinetic cell of the present invention and useful technique effect thereof in detail.
Fig. 1 is the cross-sectional schematic of electrokinetic cell of the present invention.
Fig. 2 is the local enlarged diagram at pole place in the electrokinetic cell shown in Figure 1.
Embodiment
See also illustrated in figures 1 and 2ly, electrokinetic cell 10 of the present invention comprises battery container 20, be contained in battery 30 in the battery container 20, be poured into the electrolyte in the battery container 20, and the battery cap 40 that is seal-installed on battery container 20 tops.
Please consult shown in Figure 2ly especially, battery cap 40 is provided with installing hole 402, and pole 50 is seal-installed in the installing hole 402.Pole 50 roughly is inverted T type, it comprises base portion 502 and from the central upwardly extending trunk portion 504 of base portion 502, the lateral wall of trunk portion 504 is provided with external screw thread, cooperating with the stainless steel nut 90 that is provided with internal thread, thereby pole 50 stably is installed in the installing hole 402.
Unlike the prior art, in order to make insulation between pole 50 and the battery cap 40, be provided with insulating trip 60 between pole 50 and the battery cap 40.Insulating trip 60 is to be made by high-temperature insulation material, and is indeformable and have a good insulation performance performance under 500 ℃ high temperature.According to a preferred embodiment of the present invention, insulating trip 60 is to be made by ceramic material or mica sheet.
In illustrated embodiment, insulating trip 60 is divided into the last insulating trip and the following insulating trip (not mark) of setting independently of one another, last insulating trip and following insulating trip are embedded in respectively in O-ring seal 80 and the lower seal cushion rubber 70, to avoid insulating trip 60 because of directly stressed and impaired.In addition, can also be respectively equipped with cushion rubber bumper 404 between last insulating trip, following insulating trip and the battery cap 40, to prevent that further insulating trip 60 is because of stressed and damaged with favorable elasticity.According to another implementation of the invention, insulating trip 60 also can be positioned on installing hole 402 battery cap 40 on every side by direct sintering.
Please continue to consult shown in Figure 2, in order to ensure excellent sealing performance, the above and below of insulating trip 60 is respectively equipped with O-ring seal 80 and lower seal cushion rubber 70.Last O-ring seal 80 and lower seal cushion rubber 70 have excellent sealing performance under high low temperature, and have better elastic and corrosion resistance.Last O-ring seal 80 and lower seal cushion rubber 70 coat insulating trip and following insulating trip respectively, can prevent that insulating trip and following insulating trip are damaged because of being squeezed.In illustrated embodiment, last O-ring seal 80 and lower seal cushion rubber 70 all are to be made by fluorubber.
Below in conjunction with illustrated in figures 1 and 2, describe the assembling process of electrokinetic cell 10 of the present invention in detail.
The assembling process of battery cap 40 is as follows: at first, the lower seal cushion rubber 70 that is inlaid with down insulating trip is sheathed on the trunk portion 504 of pole 50; Secondly, pass the medium pore that the pole 50 that is arranged with lower seal cushion rubber 70 is offered from lower seal 70 and following insulating trip from bottom to top (mark); Once more, the last O-ring seal 80 that is inlaid with insulating trip is sheathed on the trunk portion 504 of pole 50; Subsequently, stainless steel gasket 100 is sheathed on the trunk portion 504 of pole 50; At last, stainless steel nut 90 is tightened on the trunk portion 502 of pole 50, by being threaded pole 50 stably is installed on the battery cap 40, lower seal cushion rubber 70 and last O-ring seal 80 are compacted to realize sealing.
In addition, according to another implementation of the invention, insulating trip 60 can be positioned on installing hole 402 battery cap 40 on every side by sintering.At this moment, the assembling process of battery cap 40 is as follows: at first, lower seal cushion rubber 70 is sheathed on the trunk portion 504 of pole 50 lower seal cushion rubber 70 coated insulation sheets 60; Secondly, pass the medium pore that the pole 50 that is arranged with lower seal cushion rubber 70 is offered from insulating trip 60 from bottom to top (not mark); Once more, will go up O-ring seal 80 and be sheathed on the pole 50, last O-ring seal 80 coated insulation sheets 60; Subsequently, stainless steel gasket 100 is sheathed on the trunk portion 504 of pole 50; At last, stainless steel nut 90 is tightened on the trunk portion 502 of pole 50, by being threaded pole 50 stably is installed on the battery cap 40, lower seal cushion rubber 70 and last O-ring seal 80 are compacted to realize sealing.
Need to prove,, can also add the screw thread fixing glue between the trunk portion 504 of stainless steel nut 90 and pole 50 in order further to improve the reliability that is threaded between the trunk portion 504 of stainless steel nut 90 and pole 50.
The assembling process of electrokinetic cell 10 of the present invention is as follows: at first, battery 30 is positioned in the battery container 20; Secondly, perfusion electrolyte in battery container 20; At last, will be installed on the top of battery container 20 according to the good battery cap 40 of aforementioned prepared by laser welded seal.During use, an end of pole 50 and battery 30 electrically connect, and the other end is connected with external circuit.
When electrokinetic cell 10 of the present invention in use high temperature occurs, the insulating trip of being made by pottery or mica 60 can not melt or burnout, therefore can avoid pole 50 to be subjected to directly to contact with battery cap 40 behind the high temperature, prevent positive and negative pole all to contact the short circuit that causes, significantly improve the security performance of electrokinetic cell 10 with battery cap 40.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection range of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this specification, these terms do not constitute any restriction to the present invention just for convenience of description.
Claims (11)
1. electrokinetic cell, it comprises battery container, is contained in the interior battery of battery container, is poured into the electrolyte in the battery container, and be seal-installed on the battery container and be provided with the battery cap of pole, it is characterized in that: isolate by the insulating trip insulation of making between described pole and the described battery cap by high-temperature insulation material.
2. electrokinetic cell according to claim 1 is characterized in that: described insulating trip is to be made by pottery or mica.
3. electrokinetic cell according to claim 1 is characterized in that: described battery cap is provided with installing hole, and described electrode column sealing is installed in the installing hole.
4. electrokinetic cell according to claim 3 is characterized in that: described pole is provided with base portion and from the upwardly extending trunk portion of base portion.
5. electrokinetic cell according to claim 4 is characterized in that: be provided with the lower seal cushion rubber between the base portion of described pole and the described battery cap.
6. electrokinetic cell according to claim 5 is characterized in that: described insulating trip comprises insulating trip and following insulating trip, and following insulating trip is embedded in the described lower seal cushion rubber.
7. electrokinetic cell according to claim 4 is characterized in that: be provided with O-ring seal between described insulating trip and the described battery cap.
8. electrokinetic cell according to claim 7 is characterized in that: described insulating trip comprises insulating trip and following insulating trip, and the described insulating trip of going up is embedded in the O-ring seal.
9. according to each described electrokinetic cell in the claim 5 to 8, it is characterized in that: described upward O-ring seal or lower seal cushion rubber are to be made by corrosion-resistant elastomeric material.
10. electrokinetic cell according to claim 1 is characterized in that: be provided with cushion rubber bumper between described insulating trip and the described battery cap.
11. electrokinetic cell according to claim 1 is characterized in that: described insulating trip is sintered on the described battery cap, is coated with the O-ring seal with favorable elasticity and corrosion resistance on the insulating trip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618268.3A CN102074676B (en) | 2010-12-31 | 2010-12-31 | Electrokinetic cell |
| PCT/CN2011/077218 WO2012088872A1 (en) | 2010-12-31 | 2011-07-15 | Power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618268.3A CN102074676B (en) | 2010-12-31 | 2010-12-31 | Electrokinetic cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102074676A true CN102074676A (en) | 2011-05-25 |
| CN102074676B CN102074676B (en) | 2016-04-20 |
Family
ID=44033107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010618268.3A Active CN102074676B (en) | 2010-12-31 | 2010-12-31 | Electrokinetic cell |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102074676B (en) |
| WO (1) | WO2012088872A1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088872A1 (en) * | 2010-12-31 | 2012-07-05 | 东莞新能源科技有限公司 | Power battery |
| CN102623650A (en) * | 2012-02-14 | 2012-08-01 | 东莞新能源科技有限公司 | Hard shell lithium ion battery |
| CN102637835A (en) * | 2012-02-28 | 2012-08-15 | 天津市捷威动力工业有限公司 | Cover plate structure and battery case for lithium ion battery and lithium ion battery |
| CN102856514A (en) * | 2011-06-28 | 2013-01-02 | 比亚迪股份有限公司 | A cover plate assembly and lithium ion battery containing the cover plate assembly |
| WO2013013592A1 (en) * | 2011-07-26 | 2013-01-31 | 珠海银通新能源有限公司 | Cylindrical lithium ion power battery |
| CN102931375A (en) * | 2012-11-12 | 2013-02-13 | 中国电子科技集团公司第十八研究所 | High-voltage nickel-hydrogen storage battery internal positive post secondary insulation method |
| CN103137913A (en) * | 2011-12-02 | 2013-06-05 | 天津市捷威动力工业有限公司 | Power battery |
| CN103378343A (en) * | 2012-04-20 | 2013-10-30 | 比亚迪股份有限公司 | Electrode terminal, cover plate component and battery with cover plate component |
| CN105576159A (en) * | 2014-10-09 | 2016-05-11 | 东莞新能源科技有限公司 | Power cell and power cell top cover |
| CN106450068A (en) * | 2016-10-26 | 2017-02-22 | 东莞市盖瓷新能源科技有限公司 | Power battery polar column ceramic sealing device and sealing achieving method |
| CN109659483A (en) * | 2017-10-11 | 2019-04-19 | 宁德时代新能源科技股份有限公司 | Secondary cell top cap subassembly and secondary cell |
| CN109830639A (en) * | 2019-01-28 | 2019-05-31 | 欣旺达电子股份有限公司 | A kind of switching piece, battery cap and battery |
| CN110061157A (en) * | 2019-05-24 | 2019-07-26 | 惠州亿纬锂能股份有限公司 | A kind of cap assembly and the secondary cell comprising it |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4241152A (en) * | 1978-11-14 | 1980-12-23 | Deutsch Automobilgesellschaft Mbh | Disconnectable gas-tight and pressure-resistant electrical lead-out |
| CN101350403A (en) * | 2007-07-19 | 2009-01-21 | 上海空间电源研究所 | Apparatus for sealing pole post of hydrogen nickel accumulator |
| CN201673946U (en) * | 2010-04-29 | 2010-12-15 | 北京天路能源有限公司 | Lithium ion battery sealing device and lithium ion battery applying the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2870179Y (en) * | 2005-11-30 | 2007-02-14 | 中国电子科技集团公司第十八研究所 | Lithium-ion accumulator combined cover |
| CN200993973Y (en) * | 2006-11-28 | 2007-12-19 | 北京有色金属研究总院 | Metal casing secondary cell post seal insulating structure |
| CN201194237Y (en) * | 2008-04-26 | 2009-02-11 | 比亚迪股份有限公司 | Battery cover and lithium ionic cell comprising the cover |
| CN102074676B (en) * | 2010-12-31 | 2016-04-20 | 东莞新能源科技有限公司 | Electrokinetic cell |
-
2010
- 2010-12-31 CN CN201010618268.3A patent/CN102074676B/en active Active
-
2011
- 2011-07-15 WO PCT/CN2011/077218 patent/WO2012088872A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4241152A (en) * | 1978-11-14 | 1980-12-23 | Deutsch Automobilgesellschaft Mbh | Disconnectable gas-tight and pressure-resistant electrical lead-out |
| CN101350403A (en) * | 2007-07-19 | 2009-01-21 | 上海空间电源研究所 | Apparatus for sealing pole post of hydrogen nickel accumulator |
| CN201673946U (en) * | 2010-04-29 | 2010-12-15 | 北京天路能源有限公司 | Lithium ion battery sealing device and lithium ion battery applying the same |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088872A1 (en) * | 2010-12-31 | 2012-07-05 | 东莞新能源科技有限公司 | Power battery |
| CN102856514B (en) * | 2011-06-28 | 2015-07-22 | 比亚迪股份有限公司 | A cover plate assembly and lithium ion battery containing the cover plate assembly |
| CN102856514A (en) * | 2011-06-28 | 2013-01-02 | 比亚迪股份有限公司 | A cover plate assembly and lithium ion battery containing the cover plate assembly |
| WO2013000416A1 (en) * | 2011-06-28 | 2013-01-03 | Shenzhen Byd Auto R & D Company Limited | Cover assembly and lithium ion battery comprising the same |
| WO2013013592A1 (en) * | 2011-07-26 | 2013-01-31 | 珠海银通新能源有限公司 | Cylindrical lithium ion power battery |
| CN103137913B (en) * | 2011-12-02 | 2015-11-18 | 天津市捷威动力工业有限公司 | A kind of electrokinetic cell |
| CN103137913A (en) * | 2011-12-02 | 2013-06-05 | 天津市捷威动力工业有限公司 | Power battery |
| CN102623650A (en) * | 2012-02-14 | 2012-08-01 | 东莞新能源科技有限公司 | Hard shell lithium ion battery |
| CN102623650B (en) * | 2012-02-14 | 2014-10-08 | 东莞新能源科技有限公司 | Hard shell lithium ion battery |
| CN102637835A (en) * | 2012-02-28 | 2012-08-15 | 天津市捷威动力工业有限公司 | Cover plate structure and battery case for lithium ion battery and lithium ion battery |
| CN103378343A (en) * | 2012-04-20 | 2013-10-30 | 比亚迪股份有限公司 | Electrode terminal, cover plate component and battery with cover plate component |
| CN102931375A (en) * | 2012-11-12 | 2013-02-13 | 中国电子科技集团公司第十八研究所 | High-voltage nickel-hydrogen storage battery internal positive post secondary insulation method |
| CN102931375B (en) * | 2012-11-12 | 2016-12-21 | 中国电子科技集团公司第十八研究所 | High-voltage nickel-hydrogen storage battery internal positive post secondary insulation method |
| CN105576159A (en) * | 2014-10-09 | 2016-05-11 | 东莞新能源科技有限公司 | Power cell and power cell top cover |
| CN106450068A (en) * | 2016-10-26 | 2017-02-22 | 东莞市盖瓷新能源科技有限公司 | Power battery polar column ceramic sealing device and sealing achieving method |
| CN109659483A (en) * | 2017-10-11 | 2019-04-19 | 宁德时代新能源科技股份有限公司 | Secondary cell top cap subassembly and secondary cell |
| CN109830639A (en) * | 2019-01-28 | 2019-05-31 | 欣旺达电子股份有限公司 | A kind of switching piece, battery cap and battery |
| CN110061157A (en) * | 2019-05-24 | 2019-07-26 | 惠州亿纬锂能股份有限公司 | A kind of cap assembly and the secondary cell comprising it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102074676B (en) | 2016-04-20 |
| WO2012088872A1 (en) | 2012-07-05 |
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