CN103346274B - Power battery electrode sealing device and manufacture method thereof - Google Patents
Power battery electrode sealing device and manufacture method thereof Download PDFInfo
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- CN103346274B CN103346274B CN201310291248.3A CN201310291248A CN103346274B CN 103346274 B CN103346274 B CN 103346274B CN 201310291248 A CN201310291248 A CN 201310291248A CN 103346274 B CN103346274 B CN 103346274B
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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
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Abstract
The present invention discloses a kind of power battery electrode sealing device, described sealing device is be arranged on glass between the pole column hole of battery cover board and pole or ceramic sealing layer, described pole is unsettled through described pole column hole, and described glass or ceramic sealing layer and described battery cover board, described pole welding form an overall structure.The invention also discloses the manufacture method of power battery electrode sealing device, pole is unsettled pours into glass or ceramic liquid through pole column hole between pole column hole and pole, forms glass or ceramic sealing layer by sintering cooling, for sealing and insulation.The present invention all can not be influenced at high temperature and high pressure environment and strenuous vibration situation lower seal effect, and electrolyte to the corrosion-free effect of encapsulant, and decreases assembling procedure, raises the efficiency, reduces costs.
Description
Technical field
The present invention relates to battery, particularly relate to a kind of power battery electrode sealing device 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 economic development.Hybrid vehicle and electric automobile, as the representative of new-energy automobile, obtain the accreditation of consumer gradually.Electrokinetic cell is the important component part of new forms of energy battery, and be the developing direction of new-energy automobile, thus the security performance of electrokinetic cell is particularly important.The sealing of electrokinetic cell is one of key factor affecting battery safety and durability, and antiseepage leakproof is a power battery technology difficult problem always.
At present, electrokinetic cell mainly adopts plastic parts to carry out sealing and insulating, but adopt plastic parts to have following defect as seal: 1. plastic parts Long contact time electrolyte can be corroded, its sealing and resistance to ag(e)ing reduce greatly, cause that plastic parts is aging, seal failure, cause inside battery leakage; 2. when the temperature fluctuation of cell operating conditions is larger, plastic parts contraction change is larger, and sealing effectiveness is reduced greatly; 3. battery is in violent vibration environment, and the sealing effectiveness of plastic parts cannot ensure.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of power battery electrode sealing device, between the pole column hole and pole of battery cover board, glass or ceramic sealing layer are set, described pole is unsettled through described pole column hole, and described glass or ceramic sealing layer and described battery cover board, described pole welding form an overall structure.Correspondingly, present invention also offers the manufacture method of power battery electrode sealing device, pole is unsettled pours into glass or ceramic liquid through pole column hole between pole and pole column hole, forms glass or ceramic sealing layer by sintering cooling, for sealing and insulation.The present invention not only ensure that the sealing effectiveness of battery under the adverse circumstances such as high temperature, strenuous vibration, and glass-ceramic layer can not be subject to the corrosion of electrolyte, also reduces assembling procedure simultaneously, raises the efficiency, reduce costs.
The present invention adopts following technical scheme:
A kind of power battery electrode sealing device, described sealing device is be arranged on glass between the pole column hole of battery cover board and pole or ceramic sealing layer, described pole is unsettled through described pole column hole, and described glass or ceramic sealing layer and described battery cover board, described pole welding form an overall structure.
Preferably, described sealing device also comprises aluminium ring, the diameter of bore of described aluminium ring is greater than the diameter of described pole, the unsettled endoporus through 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 column hole; Or described pole one end extends outside and is formed and the square boss of axes normal.
Preferably, described battery cover board comprises two pole column holes, is arranged at described glass in two described pole column holes or ceramic sealing layer is different colours.
Correspondingly, disclosed herein as well is the manufacture method of power battery electrode sealing device, pole is unsettled pours into glass or ceramic liquid through pole column hole between pole and pole column hole, forms glass or ceramic sealing layer by sintering cooling, for sealing and insulation.
Preferably, the manufacturing step of power battery electrode sealing device specifically includes:
By unsettled for the pole endoporus passing an aluminium ring;
Between pole and the endoporus of aluminium ring, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
Assembly through pole column hole, and forms an overall structure by the method for riveting or welding and battery cover board.
Preferably, the manufacturing step of power battery electrode sealing device specifically includes:
One aluminium ring is processed into flange arrangement;
By unsettled for pole through the endoporus on aluminium ring;
Between pole and the endoporus of aluminium ring, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
Assembly through pole column hole, and is positioned by the flange on aluminium ring;
Assembly is connected to form an overall structure by flange and battery cover board.
Preferably, the manufacturing step of power battery electrode sealing device specifically includes:
Battery cover board stamps out the circular gravure step concentric with pole column hole;
By unsettled for pole through pole column hole;
Between pole and pole column hole, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, battery cover board and pole form an overall structure by glass or ceramic sealing layer.
Preferably, the manufacturing step of power battery electrode sealing device specifically includes:
Processing pole, makes its one end extend outside and forms the square boss with axes normal;
Pole is unsettled through pole column hole;
Between pole and pole column hole, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, 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 column hole and pole of battery cover board, glass or ceramic sealing layer Long contact time electrolyte can not be corroded, solve plastic parts for secret meeting by the problem of electrolytic corrosion, also ensure that the sealing effectiveness of battery under adverse circumstances or hot conditions.Further, glass of the present invention or ceramic sealing layer and battery cover board, pole welding form an overall structure, and therefore battery is in strenuous vibration situation, also ensure that good sealing effectiveness, decreases assembly program simultaneously, improve efficiency, reduce cost.
Accompanying drawing explanation
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 the cutaway view of the assembly after first embodiment of the invention aluminium ring is connected by glass or ceramic sealing layer with pole.
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 are sealed 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 column 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 accompanying drawing, power battery electrode sealing device of the present invention is described in further detail.
The power battery electrode sealing device of first embodiment of the invention and manufacture method thereof, please refer to Fig. 1 to Fig. 4, described sealing device is be arranged on glass between the pole column hole 2 of battery cover board 1 and pole 3 or ceramic sealing layer 4, described pole 3 is unsettled through described pole column hole 2, and described glass or ceramic sealing layer 4 form an overall structure with described battery cover board 1, described pole 3 welding.Described sealing device also comprises aluminium ring 5, endoporus 51 diameter of described aluminium ring is greater than the diameter of described pole 3, the unsettled endoporus 51 through described aluminium ring 5 of described pole 3, 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 the present embodiment is as follows:
(101), by unsettled for the pole endoporus passing an aluminium ring;
(102), between pole and the endoporus of aluminium ring, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(103), assembly through pole column hole, and forms an overall structure by the method for riveting or welding and battery cover board.
The power battery electrode sealing device of second embodiment of the invention and manufacture method thereof, please refer to Fig. 5 to Fig. 7, and 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 adds contact area when aluminium ring 5 is riveted with battery cover board 1, enhanced leaktightness effect.
The manufacturing step of the present embodiment is as follows:
(111), an aluminium ring is processed into flange arrangement;
(112), by unsettled for the pole endoporus passed on aluminium ring;
(113), between pole and the endoporus of aluminium ring, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(114), assembly through pole column hole, and is positioned by the flange on aluminium ring;
(115), assembly is connected to form an overall structure by flange and battery cover board.
The power battery electrode sealing device of third embodiment of the invention and manufacture method thereof, please refer to Fig. 8 to Fig. 9, described sealing device is be arranged on glass between the pole column hole of battery cover board 1 and pole or ceramic sealing layer 4, described battery cover board 1 upper surface is provided with the circular gravure step 21 concentric with described pole column hole 2, described pole 3 is unsettled through described pole column hole 2, and described glass or ceramic sealing layer 4 form an overall structure with described battery cover board 1, described pole 3 welding.
The manufacturing step of the present embodiment is as follows:
(121) on battery cover board, stamp out the circular gravure step concentric with pole column hole;
(122), pole column hole is passed by unsettled for pole;
(123), between pole and pole column hole, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, battery cover board and pole form an overall structure by glass or ceramic sealing layer.
The power battery electrode sealing device of fourth embodiment of the invention and manufacture method thereof, please refer to Figure 10 to Figure 12, described sealing device is be arranged on glass between the pole column hole of battery cover board 1 and pole or ceramic sealing layer 4, described pole 3 one end extends outside and forms the square boss 7 with axes normal, described pole 3 is unsettled through described pole column hole 2, and described glass or ceramic sealing layer 4 form an overall structure with described battery cover board 1, described pole 3 welding.Described square boss 7 and described battery cover board 1 bottom surface phase clamping, enhanced leaktightness effect.
The manufacturing step of the present embodiment is as follows:
(131), process pole, its one end is extended outside and forms the square boss with pole axes normal;
(132), pole is unsettled through pole column hole;
(133), between pole and pole column hole, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, battery cover board and pole form an overall structure by glass or ceramic sealing layer.
The power battery electrode sealing device of the embodiment of the present invention, please refer to Fig. 1 to Figure 12, the basis of previous technique scheme can be specifically, described battery cover board comprises two pole column holes 2, be arranged at described glass in two described pole column holes 2 or ceramic sealing layer 4 is different colours, for distinguishing positive electrode and negative electrode, avoid user to mistake, thus 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 is to glass or the corrosion-free effect of ceramic sealing layer; In high temperature environments all can not be influenced with the sealing effectiveness of strenuous vibration situation lower-glass or ceramic sealing layer; Under high strength voltage, insulation property can be ensured; Glass or ceramic sealing layer long service life, have durability.
The above is the preferred embodiment of the present invention, but can not as protection scope of the present invention, every according to the change of the equivalence done by design spirit in the present invention or to modify or geometric ratio zooms in or out, and all should think and fall into protection scope of the present invention.
Claims (2)
1. one kind manufactures the method for power battery electrode sealing device, it is characterized in that, comprise the following steps: (1), pole are unsettled through pole column hole, pour into glass or ceramic liquid between pole and pole column hole, glass or ceramic sealing layer is formed, for sealing and insulation by sintering cooling;
Concrete steps (1) comprise the following steps:
(111), an aluminium ring is processed into flange arrangement;
(112), by unsettled for the pole endoporus passed on aluminium ring;
(113), between pole and the endoporus of aluminium ring, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, aluminium ring and pole form an assembly by glass or ceramic sealing layer;
(114), assembly through pole column hole, and is positioned by the flange on aluminium ring;
(115), assembly is connected to form an overall structure by flange and battery cover board.
2. one kind manufactures the method for power battery electrode sealing device, it is characterized in that, comprise the following steps: (1), pole are unsettled through pole column hole, pour into glass or ceramic liquid between pole and pole column hole, glass or ceramic sealing layer is formed, for sealing and insulation by sintering cooling;
Concrete steps (1) comprise the following steps:
(121) on battery cover board, stamp out the circular gravure step concentric with pole column hole;
(122), pole column hole is passed by unsettled for pole;
(123), between pole and pole column hole, pour into glass or ceramic liquid, form glass or ceramic sealing layer by sintering cooling, battery cover board and pole form an overall structure by glass or ceramic sealing layer.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103346274A CN103346274A (en) | 2013-10-09 |
| CN103346274B true CN103346274B (en) | 2016-01-27 |
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| CN201310291248.3A Active CN103346274B (en) | 2013-07-04 | 2013-07-04 | Power battery electrode sealing device and manufacture method thereof |
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Families Citing this family (10)
| 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 |
| 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 |
| CN106450068B (en) * | 2016-10-26 | 2023-01-24 | 东莞市盖瓷新能源科技有限公司 | Power battery pole ceramic sealing device and sealing implementation method |
| CN113871804B (en) * | 2016-12-20 | 2024-09-24 | 肖特股份有限公司 | Base body for a feed-through conductor and housing part of a housing, in particular of a battery housing having such a base body |
| 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 |
| CN108172704B (en) * | 2018-01-30 | 2024-05-14 | 深圳中傲新瓷科技有限公司 | Glass sealing assembly of power battery cover plate and pole and manufacturing method thereof |
| 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 |
| CN115621676B (en) * | 2022-12-19 | 2023-05-09 | 比亚迪股份有限公司 | Composite pole, end plate assembly, battery and vehicle |
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| CN102110852A (en) * | 2009-12-24 | 2011-06-29 | 上海航天电源技术有限责任公司 | Cylindrical lithium ion battery structure suitable for series connection and parallel connection |
| CN103137917A (en) * | 2011-11-25 | 2013-06-05 | 比亚迪股份有限公司 | Battery sealing assembly and production method thereof, and lithium ion battery |
| CN203367382U (en) * | 2013-07-04 | 2013-12-25 | 深圳市科达利实业股份有限公司 | Sealing device for power battery electrode |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110852A (en) * | 2009-12-24 | 2011-06-29 | 上海航天电源技术有限责任公司 | Cylindrical lithium ion battery structure suitable for series connection and parallel connection |
| CN103137917A (en) * | 2011-11-25 | 2013-06-05 | 比亚迪股份有限公司 | Battery sealing assembly and production method thereof, and lithium ion battery |
| CN203367382U (en) * | 2013-07-04 | 2013-12-25 | 深圳市科达利实业股份有限公司 | Sealing device for power battery electrode |
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| CN103346274A (en) | 2013-10-09 |
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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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