CN102623651A - Cylindrical lithium battery - Google Patents
Cylindrical lithium battery Download PDFInfo
- Publication number
- CN102623651A CN102623651A CN2012101123404A CN201210112340A CN102623651A CN 102623651 A CN102623651 A CN 102623651A CN 2012101123404 A CN2012101123404 A CN 2012101123404A CN 201210112340 A CN201210112340 A CN 201210112340A CN 102623651 A CN102623651 A CN 102623651A
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- battery
- copper bus
- cylindrical lithium
- lithium battery
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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 cylindrical lithium battery, which comprises a battery cover and a battery shell, wherein the battery cover is provided with holes, a cell is installed on a bracket, two pieces of copper bus-bars are respectively contacted with two electrodes of the cell, ends of the two pieces of copper bus-bars are respectively provided with an electrode post, the electrode posts pass through the holes in the battery cover to be installed on the battery cover, the copper bus-bars and the cell are installed inside the battery shell, and the battery cover is installed on the battery shell. The copper bus-bars are respectively connected with a lug nickel plate in a spot welding way, and each lug nickel plate is respectively connected with the cell in a spot welding way. When the battery is assembled, the shell is made of acrylonitrile butadiene syrene (ABS) plastic with good stability of chemical substances in the material, good heat resistance and good insulation, the battery is good in safety, reliable in firmness and strong in shock resistance, heat radiation can be facilitated, the copper-nickel composite laser spot welding technology is adopted for the copper bus-bar and the lug nickel plate and the energy storage spot welding technology is adopted for the lug nickel plate and the cell, so that the capacity of the battery for allowing a large current to pass is greatly enhanced, and the overall performance of the battery can be improved and the service life cycle of the battery can be prolonged.
Description
Technical field
The present invention relates to the battery of a kind of battery combination mode and welding manner thereof, relate in particular to a kind of cylindrical lithium battery.
Background technology
Well-known lead-acid battery application is extensive; China advocated energy-conserving and environment-protective energetically in nearly 2 years, had successively closed thousands of last hundred tame big or small lead-acid battery factories, and the market demand is increasing; It is little, in light weight that lithium battery has a volume; Characteristics such as safety non-pollution, with its superior cost performance, the cycle life of overlength certainly will will all replace lead-acid battery in every field.
Summary of the invention
The purpose of this invention is to provide a kind of cylindrical lithium battery, capacity is big, volume is little, can high current charge-discharge, fastness is good, security performance is high, have extended cycle life, and can carry out free connection in series-parallel combination between battery and the battery.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
A kind of cylindrical lithium battery comprises battery cover, battery case, and it is characterized in that: battery cover is provided with the hole; The electricity core is rack-mount; Two copper bus-bars contact respectively on the two poles of the earth of electric core, and the head end of two copper bus-bars is installed a pole respectively, and the hole that pole passes the battery cover setting is installed on the battery cover; Copper bus-bar, electric core are installed in the battery case, and battery cover is installed on the battery case.
According to described cylindrical lithium battery, it is characterized in that: said pole is installed on the battery cover through nut.
According to described cylindrical lithium battery, it is characterized in that: adopt spot welding between said copper bus-bar and the lug nickel sheet, adopt spot welding between lug nickel sheet and the electric core.
According to described cylindrical lithium battery, it is characterized in that: said pole is provided with the bolt hole.
According to described cylindrical lithium battery, it is characterized in that: have the copper bus-bar positioning through hole that positions with support on the said copper bus-bar.
According to described cylindrical lithium battery, it is characterized in that: adopt fast crust paper and black foam to carry out insulation processing between said support, copper bus-bar and the positive and negative terminals; Battery cover and battery case adopt the colloid sealing.
According to described cylindrical lithium battery, it is characterized in that: said support has support location louvre and the peripheral retaining wall of support.
According to described cylindrical lithium battery, it is characterized in that: said copper bus-bar and lug nickel sheet adopt copper nickel recombination laser spot-welding technology to weld through the copper bus-bar positioning through hole.
According to described cylindrical lithium battery, it is characterized in that: said lug nickel sheet and electric core adopt the percussion welder spot-welding technology to weld through copper bus-bar positioning convex point on the support.
Advantageous effect of the present invention is: shell adopts materials chemistry stable in properties good heat resistance, good insulating ABS plastic shell; The inner support that adopts insulate electric core fixing; Fail safe is good, fastness is reliable; Shock resistance is strong, help heat radiation; Electric core is carried out second protection, carry out copper nickel recombination laser spot-welding technology and lug nickel sheet and electric core stored energy welding contact welding technology through copper bus-bar and lug nickel sheet and strengthened battery super-high-current ability greatly, improved cell integrated performance and recycled the life-span.
Description of drawings
Fig. 1 is the structural representation of battery combination.
Fig. 2 is the structural representation of battery case.
Fig. 3 is 15 a structural representation among Fig. 1.
Fig. 4 is 10 a structural representation among Fig. 1.
Fig. 5 is 9 a structural representation among Fig. 1.
In the accompanying drawing: 1, battery cover; 2, battery case; 3, pole; 4, nut; 5, both positive and negative polarity partitions; 6, the anodal sign in location; 7, location negative pole sign; 8, bolt hole; 9, pole through hole; 10, electric core; 11, support; 12, support location louvre; 13, the peripheral retaining wall of support; 14, copper bus-bar positioning through hole; 15, copper bus-bar; 16, lug nickel sheet; 17, soon paper; 18, black foam; 19, lug nickel sheet welding positioning convex point; 20, support holding screw hole.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
Structure of the present invention is as shown in Figure 1, and a kind of cylindrical lithium battery comprises battery cover 1, battery case 2; It is characterized in that: battery cover 1 is provided with the hole, and electric core 10 is installed on the support 11, and two copper bus-bars 15 contact respectively on the two poles of the earth of electric core 10; The head end of two copper bus-bars 15 is installed a pole 3 respectively; The hole that pole 3 passes battery cover 1 setting is installed on the battery cover 1, and copper bus-bar 15, electric core 10 are installed in the battery case 2, and battery cover 1 is installed on the battery case 2.According to described cylindrical lithium battery, it is characterized in that: said pole 3 is installed on the battery cover 1 through nut 4.According to described cylindrical lithium battery, it is characterized in that: adopt spot welding between said copper bus-bar 15 and the lug nickel sheet 16, adopt spot welding between lug nickel sheet 16 and the electric core 10.According to described cylindrical lithium battery, it is characterized in that: said pole 3 is provided with bolt hole 8.According to described cylindrical lithium battery, it is characterized in that: have the copper bus-bar positioning through hole 14 that positions with support 11 on the said copper bus-bar 15.According to described cylindrical lithium battery, it is characterized in that: adopt fast crust paper 17 and black foam 18 to carry out insulation processing between said support 11, copper bus-bar 15 and the positive and negative terminals 3; Battery cover 1 adopts the colloid sealing with battery case 2.According to described cylindrical lithium battery, it is characterized in that: said support 11 has support location louvre 12 and the peripheral retaining wall 13 of support.According to described cylindrical lithium battery, it is characterized in that: said copper bus-bar 15 adopts copper nickel recombination laser spot-welding technology to weld with lug nickel sheet 16 through copper bus-bar positioning through hole 14.According to described cylindrical lithium battery, it is characterized in that: said lug nickel sheet 16 adopts the percussion welder spot-welding technology to weld with electric core 10 through copper bus-bar positioning convex point on the support 11.
Operating position of the present invention and principle thereof are like Fig. 1, shown in 2; Cylindrical lithium battery; The outside ABS plastic shell that adopts comprises battery cover 1 battery case 2, and the inner support 11 that adopts is fixed electric core 10; Copper bus-bar 15 welds through copper nickel recombination laser spot-welding technology with lug nickel sheet 16, welds through the percussion welder spot-welding technology between lug nickel sheet 16 and the electric core 10.In the present embodiment; Pole 3 is through fixedly pole hole and hex nut 4 are fastened on the battery cover 1 on the battery cover 1; The anodal sign 6 in location is arranged on the battery cover 1 and be decided to be negative pole sign 7, can carry out free connection in series-parallel combination through bolt hole 8 between battery and the battery.In the present embodiment, battery cover 1 adopts colloid to carry out encapsulation process with battery case 2.In the present embodiment, copper bus-bar 15 positions fastening through the 9 usefulness bolts of pole through hole on the pole 3.In the present embodiment, support 11, copper bus-bar 15, pole 3 adopt and insulate paper 17 and black foam 18 shockproof soon.In the present embodiment, the peripheral retaining wall 13 of support is used for electric core 10 is carried out second protection.In the present embodiment, support 11 carries out fastening through support holding screw hole 20.In the present embodiment, copper bus-bar 15 with 16 fixed thereon of lug nickel sheets, carries out copper nickel recombination laser welding through adjustment laser welder parameter through anchor clamps.In the present embodiment, the copper nickel composite nickel sheet that Laser Welding is connected is fixed on lug nickel sheet welding positioning convex point 19 places through copper bus-bar positioning through hole 14, and adjustment percussion welder parameter is carried out the energy storage welding to lug nickel sheet 16 and electric core 10.Compound mode of the present invention is reasonable, flexible operation, and solder technology is advanced; Adopt the lithium battery of this textural association and solder technology to be applied to large-scale energy storage project, electric automobile, communication apparatus, cruiser, tour bus etc.; But have characteristics such as body is less, in light weight, fastness is good, the high high current charge-discharge of security performance, the lithium battery cycle performance is also had certain lifting.The extensive market demand of cylindrical lithium battery application is bigger, and the compound mode of battery and welding manner have determined the cycle performance and the serviceability of battery to a great extent, adopts the present invention to improve and to address this problem; Rise along with new forms of energy; No matter be the characteristics of lithium ion battery own, or the present present situation of China, the development lithium-ion-power cell all will be the main direction of China's new forms of energy industrialization; In following power source market, lithium ion battery will be to outshine othersOne branch of the tree is particularly thriving.
Embodiment recited above describes preferred implementation of the present invention; Be not that design of the present invention and protection range are limited; Under the prerequisite that does not break away from design concept of the present invention; Common engineers and technicians make technical scheme of the present invention in this area various modification and improvement all should fall into protection scope of the present invention.
Claims (9)
1. cylindrical lithium battery; Comprise battery cover (1), battery case (2); It is characterized in that: battery cover (1) is provided with the hole, and electric core (10) is installed on the support (11), and two copper bus-bars (15) contact respectively on the two poles of the earth of electric core (10); The head end of two copper bus-bars (15) is installed a pole (3) respectively; The hole that pole (3) passes battery cover (1) setting is installed on the battery cover (1), and copper bus-bar (15), electric core (10) are installed in the battery case (2), and battery cover (1) is installed on the battery case (2).
2. cylindrical lithium battery according to claim 1 is characterized in that: said pole (3) is installed on the battery cover (1) through nut (4).
3. cylindrical lithium battery according to claim 1 is characterized in that: adopt spot welding between said copper bus-bar (15) and the lug nickel sheet (16), adopt spot welding between lug nickel sheet (16) and the electric core (10).
4. cylindrical lithium battery according to claim 1 is characterized in that: said pole (3) is provided with bolt hole (8).
5. cylindrical lithium battery according to claim 1 is characterized in that: have the copper bus-bar positioning through hole (14) that positions with support (11) on the said copper bus-bar (15).
6. cylindrical lithium battery according to claim 1 is characterized in that: adopt fast crust paper (17) and black foam (18) to carry out insulation processing between said support (11), copper bus-bar (15) and the positive and negative terminals (3); Battery cover (1) and battery case (2) adopt the colloid sealing.
7. cylindrical lithium battery according to claim 1 is characterized in that: said support (11) has support location louvre (12) and the peripheral retaining wall (13) of support.
8. cylindrical lithium battery according to claim 1 is characterized in that: said copper bus-bar (15) and lug nickel sheet (16) adopt copper nickel recombination laser spot-welding technology to weld through copper bus-bar positioning through hole (14).
9. cylindrical lithium battery according to claim 1 is characterized in that: said lug nickel sheet (16) and electric core (10) are gone up copper bus-bar positioning convex point through support (11) and are adopted the percussion welder spot-welding technology to weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101123404A CN102623651A (en) | 2012-04-17 | 2012-04-17 | Cylindrical lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101123404A CN102623651A (en) | 2012-04-17 | 2012-04-17 | Cylindrical lithium battery |
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| CN102623651A true CN102623651A (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101123404A Pending CN102623651A (en) | 2012-04-17 | 2012-04-17 | Cylindrical lithium battery |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500805A (en) * | 2013-09-06 | 2014-01-08 | 上海龙创汽车设计有限公司 | Cell box convenient for cell installation positioning and with damping mechanism |
| CN103560223A (en) * | 2013-10-31 | 2014-02-05 | 中国科学院西安光学精密机械研究所 | High-rate battery pack |
| CN105914319A (en) * | 2016-07-01 | 2016-08-31 | 上海星历新能源科技有限公司 | Cylindrical battery module and manufacturing method |
| CN105958004A (en) * | 2016-06-14 | 2016-09-21 | 广东松湖动力技术有限公司 | Battery single module and battery |
| CN106229437A (en) * | 2016-08-31 | 2016-12-14 | 戴剑兵 | A kind of battery modules |
| CN106803557A (en) * | 2017-02-17 | 2017-06-06 | 北京新能源汽车股份有限公司 | A kind of battery module and automobile |
| CN107808940A (en) * | 2017-09-27 | 2018-03-16 | 深圳市华宝新能源股份有限公司 | A kind of lithium battery |
| CN108428850A (en) * | 2018-04-04 | 2018-08-21 | 远东福斯特新能源有限公司 | Lug system of the lithium battery with safeguard function |
| CN110459726A (en) * | 2018-05-08 | 2019-11-15 | 欣旺达电动汽车电池有限公司 | 18650 aluminium dish laser welding schemes |
| CN113224437A (en) * | 2020-01-21 | 2021-08-06 | 保时捷股份公司 | Traction battery module for motor vehicle |
| CN113921967A (en) * | 2021-09-15 | 2022-01-11 | 风帆（扬州）有限责任公司 | Lithium battery with flame retardant function |
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| EP0905803A1 (en) * | 1997-09-30 | 1999-03-31 | Japan Storage Battery Co., Ltd. | Battery Holder |
| CN101521269A (en) * | 2008-02-25 | 2009-09-02 | 安耐信(北京)储能技术有限公司 | Automobile-used power cell module and manufacturing method thereof |
| CN101908643A (en) * | 2010-08-12 | 2010-12-08 | 奇瑞汽车股份有限公司 | Power lithium ion battery and production method thereof |
| CN101969137A (en) * | 2010-09-03 | 2011-02-09 | 海特电子集团有限公司 | Lithium iron phosphate battery pack for electric vehicle |
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | High-energy-density lithium ion storage battery module |
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2012
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| EP0905803A1 (en) * | 1997-09-30 | 1999-03-31 | Japan Storage Battery Co., Ltd. | Battery Holder |
| CN101521269A (en) * | 2008-02-25 | 2009-09-02 | 安耐信(北京)储能技术有限公司 | Automobile-used power cell module and manufacturing method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500805A (en) * | 2013-09-06 | 2014-01-08 | 上海龙创汽车设计有限公司 | Cell box convenient for cell installation positioning and with damping mechanism |
| CN103500805B (en) * | 2013-09-06 | 2018-07-10 | 上海龙创汽车设计股份有限公司 | A kind of Battery case convenient for battery installation positioning and with shock-damping structure |
| CN103560223A (en) * | 2013-10-31 | 2014-02-05 | 中国科学院西安光学精密机械研究所 | High-rate battery pack |
| CN105958004A (en) * | 2016-06-14 | 2016-09-21 | 广东松湖动力技术有限公司 | Battery single module and battery |
| CN105914319A (en) * | 2016-07-01 | 2016-08-31 | 上海星历新能源科技有限公司 | Cylindrical battery module and manufacturing method |
| CN106229437A (en) * | 2016-08-31 | 2016-12-14 | 戴剑兵 | A kind of battery modules |
| CN106803557B (en) * | 2017-02-17 | 2020-04-07 | 北京新能源汽车股份有限公司 | Battery module and car |
| CN106803557A (en) * | 2017-02-17 | 2017-06-06 | 北京新能源汽车股份有限公司 | A kind of battery module and automobile |
| CN107808940A (en) * | 2017-09-27 | 2018-03-16 | 深圳市华宝新能源股份有限公司 | A kind of lithium battery |
| CN108428850A (en) * | 2018-04-04 | 2018-08-21 | 远东福斯特新能源有限公司 | Lug system of the lithium battery with safeguard function |
| CN110459726A (en) * | 2018-05-08 | 2019-11-15 | 欣旺达电动汽车电池有限公司 | 18650 aluminium dish laser welding schemes |
| CN113224437A (en) * | 2020-01-21 | 2021-08-06 | 保时捷股份公司 | Traction battery module for motor vehicle |
| US11611121B2 (en) | 2020-01-21 | 2023-03-21 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle traction battery module |
| CN113224437B (en) * | 2020-01-21 | 2023-09-15 | 保时捷股份公司 | Traction battery module for motor vehicle |
| CN113921967A (en) * | 2021-09-15 | 2022-01-11 | 风帆（扬州）有限责任公司 | Lithium battery with flame retardant function |
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Application publication date: 20120801 |