CN103346274A - Power battery electrode sealing device and manufacturing method thereof - Google Patents
Power battery electrode sealing device and manufacturing method thereof Download PDFInfo
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- CN103346274A CN103346274A CN2013102912483A CN201310291248A CN103346274A CN 103346274 A CN103346274 A CN 103346274A CN 2013102912483 A CN2013102912483 A CN 2013102912483A CN 201310291248 A CN201310291248 A CN 201310291248A CN 103346274 A CN103346274 A CN 103346274A
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- 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 power battery electrode sealing device. The sealing device is a glass or ceramic sealing layer which is arranged between a pole hole and a pole of a battery cover plate, the pole penetrates through the pole hole in a suspension manner, and the glass or ceramic sealing layer is in fuse welding connection with the battery cover plate and the pole to form an integral structure. The invention also discloses a manufacturing method of the power battery electrode sealing device. The pole penetrates through the pole hole in the suspension manner, glass or ceramic liquid is filled between the pole hole and the pole, and the glass or ceramic liquid is sintered and cooled to form the glass or ceramic sealing layer which is used for sealing and insulation. According to the power battery electrode sealing device and the manufacturing method, a sealing effect is not influenced in a high-temperature high-pressure environment and under the severe vibration situation, the electrolyte is free from corroding a sealing material, the assembling procedures can be reduced, the efficiency can be improved, and the cost can be reduced.
Description
Technical field
The present invention relates to battery, relate in particular to a kind of electrokinetic cell electrode seals and manufacture method thereof.
Background technology
Along with becoming increasingly conspicuous of problem of environmental pollution, low-carbon economy has become the main flow of future economy development.Hybrid vehicle and electric automobile have obtained consumer's approval gradually as the representative of new-energy automobile.Electrokinetic cell is the important component part of new forms of energy battery, be the developing direction of new-energy automobile, thereby the security performance of electrokinetic cell is particularly important.The sealing of electrokinetic cell is one of key factor that influences battery safety and durability, and the antiseepage leakproof is a power battery technology difficult problem always.
At present, electrokinetic cell mainly adopts plastic parts to seal and insulate, but adopt plastic parts to have following defective as seal: 1. plastic parts Long contact time electrolyte can be corroded, its sealing and resistance to ag(e)ing reduce greatly, cause aging, the seal failure of plastic parts, cause the inside battery leakage; 2. when the temperature fluctuation of battery operated environment was big, the plastic parts contraction change was bigger, and sealing effectiveness is reduced greatly; 3. battery is in violent vibration environment, and the sealing effectiveness of plastic parts can't guarantee.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of electrokinetic cell electrode seals, between the pole hole of battery cover board and pole, glass or ceramic sealing layer are set, the unsettled described pole hole of passing of described pole, described glass or ceramic sealing layer and described battery cover board, described pole welding form an overall structure.Correspondingly, the present invention also provides the manufacture method of electrokinetic cell electrode seals, the unsettled pole hole of passing of pole, and perfusion glass or ceramic liquid between pole and pole hole form glass or ceramic sealing layer by the sintering cooling, are used for sealing and insulation.The present invention has not only guaranteed the sealing effectiveness of battery under adverse circumstances such as high temperature, strenuous vibration, and glass-ceramic layer can not be subjected to the corrosion of electrolyte, also reduces assembling procedure simultaneously, raises the efficiency, and reduces cost.
The present invention adopts following technical scheme:
A kind of electrokinetic cell electrode seals, described sealing device is to be arranged on the pole hole of battery cover board and glass or the ceramic sealing layer between the pole, the unsettled described pole hole of passing of described pole, described glass or ceramic sealing layer and described battery cover board, described pole welding form an overall structure.
Preferably, described sealing device also comprises the aluminium ring, the diameter of bore of described aluminium ring is greater than the diameter of described pole, the unsettled endoporus that passes described aluminium ring of described pole, described pole and described aluminium ring form an assembly by described glass or ceramic sealing layer, and described assembly and described battery cover board assemble structure in aggregates.
Preferably, described aluminium ring is flange arrangement.
Preferably, described battery cover board upper surface is provided with the circular gravure step concentric with described pole hole; Or described pole one end extends outside and forms square boss with axis normal.
Preferably, described battery cover board comprises two pole holes, and being arranged at two described glass or ceramic sealing layers in the described pole hole is different colours.
Correspondingly, disclosed herein as well is the manufacture method of electrokinetic cell electrode seals, the unsettled pole hole of passing of pole, perfusion glass or ceramic liquid between pole and pole hole form glass or ceramic sealing layer by the sintering cooling, are used for sealing and insulation.
Preferably, the manufacturing step of electrokinetic cell electrode seals specifically includes:
With the unsettled endoporus that passes an aluminium ring of pole;
Perfusion glass or ceramic liquid between the endoporus of pole and aluminium ring form glass or ceramic sealing layer by the sintering cooling, and aluminium ring and pole form an assembly by glass or ceramic sealing layer;
Assembly passes the pole hole, and forms an overall structure by method and the battery cover board of riveted joint or welding.
Preferably, the manufacturing step of electrokinetic cell electrode seals specifically includes:
One aluminium ring is processed into flange arrangement;
With the unsettled endoporus that passes on the aluminium ring of pole;
Perfusion glass or ceramic liquid between the endoporus of pole and aluminium ring form glass or ceramic sealing layer by the sintering cooling, and aluminium ring and pole form an assembly by glass or ceramic sealing layer;
Assembly passes the pole hole, and positions by the flange on the aluminium ring;
Assembly is connected to form an overall structure by flange and battery cover board.
Preferably, the manufacturing step of electrokinetic cell electrode seals specifically includes:
Stamp out the circular gravure step concentric with the pole hole at battery cover board;
With the unsettled pole hole of passing of pole;
Perfusion glass or ceramic liquid between pole and pole hole form glass or ceramic sealing layer by the sintering cooling, and battery cover board and pole form an overall structure by glass or ceramic sealing layer.
Preferably, the manufacturing step of electrokinetic cell electrode seals specifically includes:
The processing pole extends outside the one end to form the square boss with axis normal;
The unsettled pole hole of passing of pole;
Perfusion glass or ceramic liquid between pole and pole hole form glass or ceramic sealing layer by the sintering cooling, and battery cover board and pole form an overall structure by glass or ceramic sealing layer.
The invention has the beneficial effects as follows:
The present invention arranges glass or ceramic sealing layer between the pole hole of battery cover board and pole, glass or ceramic sealing layer Long contact time electrolyte can not be corroded, solve plastic parts and be used for the problem that secret meeting is corroded by electrolyte, also guaranteed the sealing effectiveness of battery under adverse circumstances or hot conditions.And glass of the present invention or ceramic sealing layer and battery cover board, pole welding form an overall structure, so battery also guaranteed good sealing effectiveness under the strenuous vibration situation, have also reduced assembly program simultaneously, have improved efficient, have reduced cost.
Description of drawings
Fig. 1 is the vertical view of first embodiment of the invention battery cover board.
Fig. 2 is the cutaway view of first embodiment of the invention aluminium ring.
Fig. 3 is first embodiment of the invention aluminium ring and the cutaway view of assembly after pole is connected by glass or ceramic sealing layer.
Fig. 4 is the composition structure cutaway view of first embodiment of the invention.
Fig. 5 is the cutaway view of second embodiment of the invention aluminium ring.
Fig. 6 is the cutaway view of the assembly after second embodiment of the invention aluminium ring and pole seal by glass or ceramic sealing layer.
Fig. 7 is the composition structure cutaway view of real second embodiment of the present invention.
Fig. 8 is the cutaway view of third embodiment of the invention battery cover board.
Fig. 9 is the composition structure cutaway view of third embodiment of the invention.
Figure 10 is the cutaway view of fourth embodiment of the invention pole.
Figure 11 is the vertical view of fourth embodiment of the invention pole.
Figure 12 is the composition structure cutaway view of fourth embodiment of the invention.
Description of reference numerals:
1...... the circular gravure step of battery cover board 2...... pole hole 21......
3...... pole 4...... glass or ceramic sealing layer 5...... aluminium ring
51...... endoporus 6...... flange 7...... square boss
Embodiment
Below in conjunction with the Fig. 1 to Figure 12 in the accompanying drawing electrokinetic cell electrode seals of the present invention is described in further detail.
Electrokinetic cell electrode seals and the manufacture method thereof of first embodiment of the invention, please refer to Fig. 1 to Fig. 4, described sealing device is pole hole 2 and the glass between the pole 3 or the ceramic sealing layer 4 that is arranged on battery cover board 1, the described pole 3 unsettled described pole holes 2 of passing, described glass or ceramic sealing layer 4 form an overall structure with described battery cover board 1,3 weldings of described pole.Described sealing device also comprises aluminium ring 5, endoporus 51 diameters of described aluminium ring are greater than the diameter of described pole 3, the described pole 3 unsettled endoporus 51 that pass described aluminium ring 5, described pole 3 forms an assembly with described aluminium ring 5 by described glass or ceramic sealing layer 4, and described assembly and described battery cover board 1 assemble structure in aggregates.
The manufacturing step of present embodiment is as follows:
(101), with the unsettled endoporus that passes an aluminium ring of pole;
(102), between the endoporus of pole and aluminium ring perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(103), assembly passes the pole hole, and forms an overall structure by method and the battery cover board of riveted joint or welding.
Electrokinetic cell electrode seals and the manufacture method thereof of second embodiment of the invention please refer to Fig. 5 to Fig. 7, on the basis of the first embodiment technical scheme can also be, described aluminium ring 5 is flange arrangement.The flange 6 of described aluminium ring 5 has increased the contact area when aluminium ring 5 is riveted with battery cover board 1, enhanced leaktightness effect.
The manufacturing step of present embodiment is as follows:
(111), an aluminium ring is processed into flange arrangement;
(112), with the unsettled endoporus that passes on the aluminium ring of pole;
(113), between the endoporus of pole and aluminium ring perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(114), assembly passes the pole hole, and positions by the flange on the aluminium ring;
(115), assembly is connected to form an overall structure by flange and battery cover board.
Electrokinetic cell electrode seals and the manufacture method thereof of third embodiment of the invention, please refer to Fig. 8 to Fig. 9, described sealing device is pole hole and the glass between the pole or the ceramic sealing layer 4 that is arranged on battery cover board 1, described battery cover board 1 upper surface is provided with the circular gravure step 21 concentric with described pole hole 2, the described pole 3 unsettled described pole holes 2 of passing, described glass or ceramic sealing layer 4 form an overall structure with described battery cover board 1,3 weldings of described pole.
The manufacturing step of present embodiment is as follows:
(121), stamp out the circular gravure step concentric with the pole hole at battery cover board;
(122), with the unsettled pole hole of passing of pole;
(123), between pole and pole hole perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, battery cover board and pole are by glass or overall structure of ceramic sealing layer formation.
Electrokinetic cell electrode seals and the manufacture method thereof of fourth embodiment of the invention, please refer to Figure 10 to Figure 12, described sealing device is pole hole and the glass between the pole or the ceramic sealing layer 4 that is arranged on battery cover board 1, described pole 3 one ends extend outside and form square boss 7 with axis normal, the described pole 3 unsettled described pole holes 2 of passing, described glass or ceramic sealing layer 4 form an overall structure with described battery cover board 1,3 weldings of described pole.Described square boss 7 and described battery cover board 1 bottom surface phase clamping, enhanced leaktightness effect.
The manufacturing step of present embodiment is as follows:
(131), the processing pole, the one end is extended outside form the square boss with the pole axis normal;
(132), the unsettled pole hole of passing of pole;
(133), between pole and pole hole perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, battery cover board and pole are by glass or overall structure of ceramic sealing layer formation.
The electrokinetic cell electrode seals of the embodiment of the invention, please refer to Fig. 1 to Figure 12, on the basis of technical scheme specifically can be in front, comprise two pole holes 2 on the described battery cover board, be arranged at two described glass or ceramic sealing layers 4 in the described pole hole 2 and be different colours, be used for distinguishing positive electrode and negative electrode, avoid the user mistaken, thereby improve the safety in utilization of battery.
Compared with prior art, the application has the following advantages:
Adopt glass or ceramic sealing layer as insulation and encapsulant, electrolyte does not have corrosiveness to glass or ceramic sealing layer; All can be not influenced with the sealing effectiveness of strenuous vibration situation lower-glass or ceramic sealing layer under hot environment; Under the high strength voltage, can guarantee insulation property; Glass or ceramic sealing layer long service life have durability.
The above is preferred implementation of the present invention, but can not be as protection scope of the present invention, and every equivalence variation of having done according to the design spirit among the present invention or modification or geometric ratio are amplified or dwindled etc., all should think to fall into protection scope of the present invention.
Claims (10)
1. electrokinetic cell electrode seals, it is characterized in that: described sealing device is to be arranged on the pole hole of battery cover board and glass or the ceramic sealing layer between the pole, the unsettled described pole hole of passing of described pole, described glass or ceramic sealing layer and described battery cover board, described pole welding form an overall structure.
2. electrokinetic cell electrode seals according to claim 1, it is characterized in that: described sealing device also comprises the aluminium ring, the diameter of bore of described aluminium ring is greater than the diameter of described pole, the unsettled endoporus that passes described aluminium ring of described pole, described pole and described aluminium ring form an assembly by described glass or ceramic sealing layer, and described assembly and described battery cover board assemble structure in aggregates.
3. electrokinetic cell electrode seals according to claim 2, it is characterized in that: described aluminium ring is flange arrangement.
4. electrokinetic cell electrode seals according to claim 1, it is characterized in that: described battery cover board upper surface is provided with the circular gravure step concentric with described pole hole; Or described pole one end extends outside and forms square boss with axis normal.
5. electrokinetic cell electrode seals according to claim 1, it is characterized in that: described battery cover board comprises two pole holes, being arranged at two described glass or ceramic sealing layers in the described pole hole is different colours.
6. method of making the electrokinetic cell electrode seals of claim 1, it is characterized in that: the unsettled pole hole of passing of (1), pole, perfusion glass or ceramic liquid between pole and pole hole form glass or ceramic sealing layer by the sintering cooling, are used for sealing and insulation.
7. the manufacture method of electrokinetic cell electrode seals according to claim 6 is characterized in that, step (1) specifically comprises:
(101), with the unsettled endoporus that passes an aluminium ring of pole;
(102), between the endoporus of pole and aluminium ring perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(103), assembly passes the pole hole, and forms an overall structure by method and the battery cover board of riveted joint or welding.
8. the manufacture method of electrokinetic cell electrode seals according to claim 6 is characterized in that, step (1) specifically comprises:
(111), an aluminium ring is processed into flange arrangement;
(112), with the unsettled endoporus that passes on the aluminium ring of pole;
(113), between the endoporus of pole and aluminium ring perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(114), assembly passes the pole hole, and positions by the flange on the aluminium ring;
(115), assembly is connected to form an overall structure by flange and battery cover board.
9. the manufacture method of electrokinetic cell electrode seals according to claim 6 is characterized in that, step (1) specifically comprises:
(121), stamp out the circular gravure step concentric with the pole hole at battery cover board;
(122), with the unsettled pole hole of passing of pole;
(123), between pole and pole hole perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, battery cover board and pole are by glass or overall structure of ceramic sealing layer formation.
10. the manufacture method of electrokinetic cell electrode seals according to claim 6 is characterized in that, step (1) specifically comprises:
(131), the processing pole, the one end is extended outside form the square boss with the pole axis normal;
(132), the unsettled pole hole of passing of pole;
(133), between pole and pole hole perfusion glass or ceramic liquid, form glass or ceramic sealing layer by the sintering cooling, battery cover board and pole are by glass or overall structure of ceramic sealing layer formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291248.3A CN103346274B (en) | 2013-07-04 | 2013-07-04 | Power battery electrode sealing device and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291248.3A CN103346274B (en) | 2013-07-04 | 2013-07-04 | Power battery electrode sealing device and manufacture method thereof |
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| CN103346274A true CN103346274A (en) | 2013-10-09 |
| CN103346274B CN103346274B (en) | 2016-01-27 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794742A (en) * | 2014-01-16 | 2014-05-14 | 超威电源有限公司 | Electric moped scooter storage battery post seal process |
| CN106328836A (en) * | 2016-09-28 | 2017-01-11 | 东莞市盖瓷新能源科技有限公司 | Power battery and high-temperature bonding type cover plate assembly thereof |
| 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 |
| CN106784450A (en) * | 2017-01-19 | 2017-05-31 | 佛山市康荣精细陶瓷有限公司 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
| CN108172704A (en) * | 2018-01-30 | 2018-06-15 | 中澳科创（深圳）新材料有限公司 | A kind of glass seal packs of cover plate of power battery and pole and preparation method thereof |
| DE102017216890A1 (en) * | 2017-09-25 | 2019-03-28 | Lithium Energy and Power GmbH & Co. KG | Method for producing a battery cell and a seal for a battery cell and battery cell |
| CN110100324A (en) * | 2016-12-20 | 2019-08-06 | 肖特股份有限公司 | Matrix and shell, the especially battery case with this matrix housing parts for feedthrough conductor |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| US11462789B2 (en) | 2011-02-18 | 2022-10-04 | Schott Ag | Base body for feeding through of a conductor, and a housing component of a housing, in particular a battery housing comprising said base body |
| CN115621676A (en) * | 2022-12-19 | 2023-01-17 | 比亚迪股份有限公司 | Compound utmost point post, end plate subassembly, battery and vehicle |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11462789B2 (en) | 2011-02-18 | 2022-10-04 | Schott Ag | Base body for feeding through of a conductor, and a housing component of a housing, in particular a battery housing comprising said base body |
| CN103794742B (en) * | 2014-01-16 | 2015-10-14 | 超威电源有限公司 | A kind of electric moped storage batteries electrode column sealing technique |
| CN103794742A (en) * | 2014-01-16 | 2014-05-14 | 超威电源有限公司 | Electric moped scooter storage battery post seal process |
| CN106328836A (en) * | 2016-09-28 | 2017-01-11 | 东莞市盖瓷新能源科技有限公司 | Power battery and high-temperature bonding type cover plate assembly thereof |
| CN106328836B (en) * | 2016-09-28 | 2019-05-21 | 东莞市盖瓷新能源科技有限公司 | A kind of power battery and its high temperature adhesives formula cover plate assembly |
| 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 |
| CN110100324A (en) * | 2016-12-20 | 2019-08-06 | 肖特股份有限公司 | Matrix and shell, the especially battery case with this matrix housing parts for feedthrough conductor |
| CN106784450A (en) * | 2017-01-19 | 2017-05-31 | 佛山市康荣精细陶瓷有限公司 | A kind of sealed cover plate structure of lithium battery and preparation method thereof |
| DE102017216890A1 (en) * | 2017-09-25 | 2019-03-28 | Lithium Energy and Power GmbH & Co. KG | Method for producing a battery cell and a seal for a battery cell and battery cell |
| CN108172704A (en) * | 2018-01-30 | 2018-06-15 | 中澳科创（深圳）新材料有限公司 | A kind of glass seal packs of cover plate of power battery and pole and preparation method thereof |
| CN114361664A (en) * | 2021-12-22 | 2022-04-15 | 江苏海基新能源股份有限公司 | Square hard-shell lithium ion battery cover plate, battery and assembly method |
| CN114361664B (en) * | 2021-12-22 | 2024-03-15 | 江苏海基新能源股份有限公司 | Square hard shell lithium ion battery cover plate, battery and assembly method |
| CN115621676A (en) * | 2022-12-19 | 2023-01-17 | 比亚迪股份有限公司 | Compound utmost point post, end plate subassembly, battery and vehicle |
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| CN103346274B (en) | 2016-01-27 |
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Effective date of registration: 20170605 Address after: 212000 No. 2 Dashan Road, Dagang District, Zhenjiang New District, Jiangsu, Zhenjiang Patentee after: ETRUST POWER Group Ltd. Address before: 518129, Guangdong Shenzhen, Baoan District province big wave Street Huaxing Road north side of the first industrial building in the three floor Patentee before: SHENZHEN KEDALI INDUSTRY Co.,Ltd. |
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Application publication date: 20131009 Assignee: SHENZHEN KEDALI INDUSTRY Co.,Ltd. Assignor: ETRUST POWER Group Ltd. Contract record no.: 2017990000392 Denomination of invention: Power battery electrode sealing device and manufacturing method thereof Granted publication date: 20160127 License type: Exclusive License Record date: 20170929 |
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Address after: 2 Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Patentee after: Lixin (Jiangsu) Energy Technology Co.,Ltd. Address before: No. 2, Dagang Dashan Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province, 212000 Patentee before: ETRUST POWER Group Ltd. |
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