CN103258985A - Battery structure and preparation method thereof - Google Patents
Battery structure and preparation method thereof Download PDFInfo
- Publication number
- CN103258985A CN103258985A CN2013101581943A CN201310158194A CN103258985A CN 103258985 A CN103258985 A CN 103258985A CN 2013101581943 A CN2013101581943 A CN 2013101581943A CN 201310158194 A CN201310158194 A CN 201310158194A CN 103258985 A CN103258985 A CN 103258985A
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- China
- Prior art keywords
- pole
- plate
- collector plate
- battery
- welding
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- 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
- 238000002360 preparation method Methods 0.000 title abstract 3
- 238000003466 welding Methods 0.000 claims abstract description 37
- 238000010894 electron beam technology Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention discloses a battery structure and a preparation method of the battery structure. The preparation method of the battery structure comprises the following steps of: firstly fixing a battery material on a base material, and preparing into positive electrode plates and negative electrode plates; then connecting upper posts (1), lower posts (4) and a shell integrally by adopting electric resistance welding or laser welding or electron beam welding; then connecting surfaces of collector plates (7) and one end surfaces of a plurality of positive electrode plates or a plurality of negative electrode plates through electric resistance welding or laser welding or electron beam welding; then connecting connection sections (5) and the lower posts (4) through electric resistance welding or laser welding or electron beam welding; and finally placing the components into the shell so as to form a battery. In the battery structure, cross sections of the lower posts (4) are arranged to be L-shaped; one surfaces of the lower posts (4) are connected with the upper posts (1); the other surfaces of the lower posts (4) are connected with the upper ends of side collector plates (3); and the side collector plates (3) are connected with the plurality of positive electrode plates or the plurality of negative electrode plates.
Description
Technical field
The present invention relates to a kind of battery structure, the invention still further relates to the manufacture method of this battery structure.
Background technology
Chinese patent CN1179429C discloses a kind of like this manufacture method of battery, and it is the pole plate group who adopts positive plate, negative plate and division board to form, and comprises the steps: to form the pole plate group's who is made of positive plate, negative plate and division board step; The step that one side collector plate, that be furnished with scolder that one side is being disposed the scolder that nickel class alloy forms and the end face of any pole plate are close to; And from the top irradiating electron beam of described collector plate so that melt solder and the step that thus end face of described positive plate or described negative plate engaged with described collector plate; Owing to adopted electron beam welding, therefore, this welding must be carried out in vacuum environment, has increased vacuum, and time consumption and energy consumption is more.
Summary of the invention
The purpose of this invention is to provide a kind of energy and adopt multiple welding, simplify battery structure and the manufacture method thereof of technology, quickening operating speed, minimizing energy consumption.
For achieving the above object, a kind of battery structure of the present invention, it comprises housing, battery cover, last pole, following pole, positive plate, negative plate and barrier film, between positive plate and negative plate, be provided with barrier film, positive plate, negative plate and barrier film are placed in the housing, last pole passes battery cover and is connected with following pole and will descends pole to place in the housing, described pole down is arranged to cross section is the L shape, the one side of following pole is connected with last pole, the another side of following pole is connected with side collector plate upper end, and the side collector plate is connected with a plurality of positive plates or a plurality of negative plate.
Described side collector plate is made up of linkage section, changeover portion and collector plate, and the linkage section that is connected with following pole connects into the S shape by changeover portion and collector plate.
Described collector plate is made of the little collector plate that two cross sections are the L shape, and cross section is the U shape, and being provided with at the collector plate two ends can be with the projection of positive plate or negative plate location.
Described collector plate is arranged to cross section is the U shape, being provided with at the collector plate two ends can be with the projection of positive plate or negative plate location.
A kind of manufacture method of battery comprises the following steps:
Mode by slurry or coating is fixed on battery material on the base material of nickel foam or Punching steel strip or nickel foam and nickel plated steel strip composition earlier, makes positive plate and negative plate, then
Adopt electric resistance welding or Laser Welding or electron beam welding will go up pole, following pole and housing and link into an integrated entity, at this moment
With the collector plate surface of electric resistance welding or Laser Welding or electron beam welding the side collector plate of drawing and vertical connection of an end face of a plurality of positive plates or a plurality of negative plates, and spacing is arranged in comb shape in accordance with regulations, subsequently
With electric resistance welding or Laser Welding or electron beam welding the linkage section on the side collector plate is connected with following pole, last
Said modules placed form battery in the housing.
Described last pole passes down pole and justifies seam welding with following pole.
The described pole of going up contacts welding with following pole upper surface.
One end face of a plurality of positive plates or a plurality of negative plates is connected with the collector plate inner surface is vertical.
The one end surfaces stack connection back of a plurality of positive plates or a plurality of negative plates is connected with collector plate two side edgefold surfaces externally and internallies, and vertical with the collector plate inner surface.
The one end surfaces stack connection back of a plurality of positive plates or a plurality of negative plates is connected with collector plate two side edgefold inner surfaces, and vertical with the collector plate inner surface.
After adopting this structure and method, because being arranged to cross section, pole under described is the L shape, the one side of following pole is connected with last pole, the another side of following pole is connected with side collector plate upper end, the side collector plate is connected with a plurality of positive plates or a plurality of negative plate, with the mode guide current of side afflux, can adopt multiple welding thereby reach, simplify the purpose of technology, quickening operating speed, minimizing energy consumption.
Description of drawingsThe present invention is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing 1 is that the master of a kind of battery structure of the present invention looks schematic diagram.
Accompanying drawing 2 is main cross-sectional schematic of a kind of battery structure pole of the present invention.
Accompanying drawing 3 is main cross-sectional schematic of the another kind of execution mode of a kind of battery structure pole of the present invention.
Accompanying drawing 4 is that the master of a kind of battery structure side of the present invention collector plate looks schematic diagram.
Accompanying drawing 5 is that the master of the another kind of execution mode of a kind of battery structure side of the present invention collector plate looks schematic diagram.
Accompanying drawing 6 is that the master that a kind of battery structure pole plate of the present invention is connected with collector plate looks schematic diagram.
Accompanying drawing 7 is that the master of second kind of execution mode being connected with collector plate of a kind of battery structure pole plate of the present invention looks schematic diagram.
Accompanying drawing 8 is that the master of the third execution mode of being connected with collector plate of a kind of battery structure pole plate of the present invention looks schematic diagram
Among the figure: 1. go up 4. times poles of pole 2. battery covers, 3. side collector plate, 5. linkage sections, 6. changeover portions, 7. collector plate
EmbodimentAccompanying drawing 1, accompanying drawing 2, a kind of battery structure of the present invention shown in the accompanying drawing 3, it comprises housing, battery cover 2, last pole 1, following pole 4, positive plate, negative plate and barrier film, between positive plate and negative plate, be provided with barrier film, with positive plate, negative plate and barrier film place in the housing, last pole 1 passes battery cover 2 and is connected with following pole 4 and will descends pole 4 to place in the housing, described pole 4 down is arranged to cross section is the L shape, the one side of following pole 4 is connected with last pole 1, the another side of following pole 4 is connected with side collector plate 3 upper ends, and side collector plate 3 is connected with a plurality of positive plates or a plurality of negative plate; Described side collector plate 3 is made up of linkage section 5, changeover portion 6 and collector plate 7, and the linkage section 5 that is connected with following pole 4 connects into the S shape by changeover portion 6 and collector plate 7; Described collector plate 7 is made of the little collector plate that two cross sections are the L shape shown in the accompanying drawing 4, and cross section is the U shape, and being provided with at collector plate 7 two ends can be with the projection of positive plate or negative plate location; Shown in the accompanying drawing 5 described collector plate 7 is arranged to cross section and is the U shape, being provided with at collector plate 7 two ends can be with the projection of positive plate or negative plate location; A kind of manufacture method of battery, comprise the following steps: that elder generation is fixed on battery material on the base material of nickel foam or Punching steel strip or nickel foam and nickel plated steel strip composition by the mode of slurry or coating, make positive plate and negative plate, adopt electric resistance welding or Laser Welding or electron beam welding will go up pole 1 then, following pole 4 links into an integrated entity with housing, this moment is with collector plate 7 surfaces of electric resistance welding or Laser Welding or electron beam welding the side collector plate 3 of drawing and vertical connection of an end face of a plurality of positive plates or a plurality of negative plates, and spacing is arranged in comb shape in accordance with regulations, with electric resistance welding or Laser Welding or electron beam welding the linkage section 5 on the side collector plate 3 is connected with following pole 4 subsequently, said modules is placed form battery in the housing at last; Described last pole 1 shown in the accompanying drawing 2 passes down pole 4 and justifies seam welding with following pole 4; The described pole 1 of going up contacts welding with following pole 4 upper surfaces shown in the accompanying drawing 3; Shown in the accompanying drawing 6 with an end face and vertical connection of collector plate 7 inner surfaces of a plurality of positive plates or a plurality of negative plates; End surfaces stack connection back with a plurality of positive plates or a plurality of negative plates shown in the accompanying drawing 7 is connected with 7 liang of side edgefold surfaces externally and internallies of collector plate, and vertical with collector plate 7 inner surfaces; End surfaces stack connection back with a plurality of positive plates or a plurality of negative plates shown in the accompanying drawing 8 is connected with 7 liang of side edgefold inner surfaces of collector plate, and vertical with collector plate 7 inner surfaces.
Claims (10)
1. battery structure, it comprises housing, battery cover, last pole, following pole, positive plate, negative plate and barrier film, between positive plate and negative plate, be provided with barrier film, with positive plate, negative plate and barrier film place in the housing, last pole passes battery cover and is connected with following pole and will descends pole to place in the housing, it is characterized in that: described pole (4) down is arranged to cross section is the L shape, the one side of following pole (4) is connected with last pole (1), the another side of following pole (4) is connected with side collector plate (3) upper end, and side collector plate (3) is connected with a plurality of positive plates or a plurality of negative plate.
2. a kind of battery structure according to claim 1, it is characterized in that: described side collector plate (3) is made up of linkage section (5), changeover portion (6) and collector plate (7), and the linkage section (5) that is connected with following pole (4) connects into the S shape by changeover portion (6) and collector plate (7).
3. a kind of battery structure according to claim 2, it is characterized in that: described collector plate (7) is made of the little collector plate that two cross sections are the L shape, and cross section is the U shape, and being provided with at collector plate (7) two ends can be with the projection of positive plate or negative plate location.
4. a kind of battery structure according to claim 2 is characterized in that: described collector plate (7) is arranged to cross section is the U shape, being provided with at collector plate (7) two ends can be with the projection of positive plate or negative plate location.
5. the manufacture method of a battery is characterized in that comprising the following steps:
Mode by slurry or coating is fixed on battery material on the base material of nickel foam or Punching steel strip or nickel foam and nickel plated steel strip composition earlier, makes positive plate and negative plate, then
Adopt electric resistance welding or Laser Welding or electron beam welding will go up pole (1), following pole (4) and housing and link into an integrated entity, at this moment
With collector plate (7) surface of electric resistance welding or Laser Welding or electron beam welding the side collector plate (3) of drawing and vertical connection of an end face of a plurality of positive plates or a plurality of negative plates, and spacing is arranged in comb shape in accordance with regulations, subsequently
With electric resistance welding or Laser Welding or electron beam welding the linkage section (5) on the side collector plate (3) is connected with following pole (4), last
Said modules placed form battery in the housing.
6. the manufacture method of a kind of battery according to claim 5 is characterized in that: the described pole (1) of going up passes down pole (4) and justifies seam welding with following pole (4).
7. the manufacture method of a kind of battery according to claim 5 is characterized in that: the described pole (1) of going up contacts welding with following pole (4) upper surface.
8. the manufacture method of a kind of battery according to claim 5 is characterized in that: with an end face and collector plate (7) the vertical connection of inner surface of a plurality of positive plates or a plurality of negative plates.
9. the manufacture method of a kind of battery according to claim 5 is characterized in that: the end surfaces stack of a plurality of positive plates or a plurality of negative plates connected the back is connected with collector plate (7) two side edgefold surfaces externally and internallies, and vertical with collector plate (7) inner surface.
10. the manufacture method of a kind of battery according to claim 5 is characterized in that: the end surfaces stack of a plurality of positive plates or a plurality of negative plates connected the back is connected with collector plate (7) two side edgefold inner surfaces, and vertical with collector plate (7) inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158194.3A CN103258985B (en) | 2013-05-02 | 2013-05-02 | A kind of battery structure and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158194.3A CN103258985B (en) | 2013-05-02 | 2013-05-02 | A kind of battery structure and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103258985A true CN103258985A (en) | 2013-08-21 |
| CN103258985B CN103258985B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310158194.3A Active CN103258985B (en) | 2013-05-02 | 2013-05-02 | A kind of battery structure and manufacture method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN103258985B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531837A (en) * | 2013-09-18 | 2014-01-22 | 福建卫东新能源有限公司 | Side current collecting battery structure and manufacture method thereof |
| CN104681877A (en) * | 2013-11-28 | 2015-06-03 | 比亚迪股份有限公司 | Power battery electrode core, power battery and preparation method for power battery electrode core |
| CN104871338A (en) * | 2012-12-11 | 2015-08-26 | 罗伯特·博世有限公司 | Storage cell and method for the production thereof |
| CN105643083A (en) * | 2014-11-10 | 2016-06-08 | 中国电子科技集团公司第十八研究所 | Welding method for pole lug and pole rod of high-power lithium ion battery |
| WO2016185452A1 (en) * | 2015-05-21 | 2016-11-24 | Gp Batteries International Limited | Electrode plate assemblies and batteries comprising same |
| CN114223088A (en) * | 2019-09-26 | 2022-03-22 | 三洋电机株式会社 | Secondary battery and method of manufacturing the same |
| CN115053394A (en) * | 2020-03-26 | 2022-09-13 | 三洋电机株式会社 | Secondary battery |
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| JP4514434B2 (en) * | 2003-11-06 | 2010-07-28 | 三洋電機株式会社 | Secondary battery |
| CN202142600U (en) * | 2011-07-27 | 2012-02-08 | 力神迈尔斯动力电池系统有限公司 | Lithium-ion battery cover and battery pole unit connecting structure |
| US20120052380A1 (en) * | 2010-08-31 | 2012-03-01 | Hideo Nakamura | Battery manufacturing method, battery, pre-welding positive plate manufacturing method, and pre-welding positive plate |
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2013
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Patent Citations (4)
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| CN1241836A (en) * | 1998-07-13 | 2000-01-19 | 上海舒航汽车电器有限公司 | Riveting method and mold for motor rotor |
| JP4514434B2 (en) * | 2003-11-06 | 2010-07-28 | 三洋電機株式会社 | Secondary battery |
| US20120052380A1 (en) * | 2010-08-31 | 2012-03-01 | Hideo Nakamura | Battery manufacturing method, battery, pre-welding positive plate manufacturing method, and pre-welding positive plate |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104871338A (en) * | 2012-12-11 | 2015-08-26 | 罗伯特·博世有限公司 | Storage cell and method for the production thereof |
| CN103531837A (en) * | 2013-09-18 | 2014-01-22 | 福建卫东新能源有限公司 | Side current collecting battery structure and manufacture method thereof |
| CN104681877A (en) * | 2013-11-28 | 2015-06-03 | 比亚迪股份有限公司 | Power battery electrode core, power battery and preparation method for power battery electrode core |
| CN104681877B (en) * | 2013-11-28 | 2017-11-21 | 比亚迪股份有限公司 | A kind of electrokinetic cell pole piece, electrokinetic cell and preparation method thereof |
| CN105643083A (en) * | 2014-11-10 | 2016-06-08 | 中国电子科技集团公司第十八研究所 | Welding method for pole lug and pole rod of high-power lithium ion battery |
| CN105643083B (en) * | 2014-11-10 | 2019-05-07 | 中国电子科技集团公司第十八研究所 | The welding method of high power lithium ion cell tab and pole |
| WO2016185452A1 (en) * | 2015-05-21 | 2016-11-24 | Gp Batteries International Limited | Electrode plate assemblies and batteries comprising same |
| CN114223088A (en) * | 2019-09-26 | 2022-03-22 | 三洋电机株式会社 | Secondary battery and method of manufacturing the same |
| EP4037047A4 (en) * | 2019-09-26 | 2023-03-01 | SANYO Electric Co., Ltd. | SECONDARY BATTERY AND ITS MANUFACTURING METHOD |
| US12176580B2 (en) | 2019-09-26 | 2024-12-24 | Sanyo Electric Co., Ltd. | Secondary battery and method for manufacturing same |
| CN114223088B (en) * | 2019-09-26 | 2025-05-09 | 三洋电机株式会社 | Secondary battery and method for manufacturing the same |
| CN115053394A (en) * | 2020-03-26 | 2022-09-13 | 三洋电机株式会社 | Secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103258985B (en) | 2016-01-13 |
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Address after: 364101 Lianhua Industrial Park, Gaopi Town, Yongding County, Longyan City, Fujian Province Patentee after: Fujian Weidong new energy Limited by Share Ltd Address before: 364101 Lianhua Industrial Park, Gaopi Town, Yongding County, Longyan City, Fujian Province Patentee before: Fujian Weidong New Energy Co., Ltd. |