CN2588551Y - Bipolar porous polar plate-current collecting body - Google Patents
Bipolar porous polar plate-current collecting body Download PDFInfo
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- CN2588551Y CN2588551Y CN 02251141 CN02251141U CN2588551Y CN 2588551 Y CN2588551 Y CN 2588551Y CN 02251141 CN02251141 CN 02251141 CN 02251141 U CN02251141 U CN 02251141U CN 2588551 Y CN2588551 Y CN 2588551Y
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- pole plate
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- Y02E60/12—
Abstract
The utility model relates to the manufacturing technology of electric cells and electrochemical engineering porous electrodes, and the utility model particularly provides a bipolar porous polar plate-current collecting body used for electric cell units and electrolytic cell units, which are combined in series connection. The utility model is composed of an intermediate metal foil and two porous metal layers on both sides thereof. The metal foil is combined together with the porous metal layers in a metallurgy state without gaps of interlayer mechanical linkage. The utility model provides the bipolar porous polar plate-current collecting body which is suitable for the electric cell units and the electrolytic cell units, which are combined in series connection. The utility model solves the problems of high electric loss rate, excessive heat generation, poor working condition, poor performance, etc. which are caused by the scheme of the external series connection technique of element cells or electrolytic cells.
Description
Technical field
The utility model relates to battery and Electrochemical Engineering porous electrode manufacturing technology, and a kind of bipolarity porous electrode pole plate-collector that is applicable to the battery pack and the electrolytic cell group of tandem compound is provided especially.
Background technology
The former high-voltage battery group and the applied technical field of electrolytic cell group, how by element cell or the outside series combination of electrolytic cell, all because of the series connection conflux electric-conductor and contact resistance, operating mode, the performance of influence under high-power, big current condition, electrical loss rate height, even because of accident appears in excessive heating, or expend more materials and reduce above-mentioned influence.
The utility model content
The purpose of this utility model is a kind of bipolarity porous electrode pole plate-collector that is applicable to the battery pack and the electrolytic cell group of tandem compound, with the problems such as electrical loss rate height, excessive heating, operating mode and poor performance that caused by element cell or the outside serial connection technology scheme of electrolytic cell before solving.
The technical solution of the utility model is:
A kind of bipolarity porous electrode pole plate-collector is characterized in that being made of the double-layer porous metal of intermetallic metal paillon foil and two sides, and tinsel and porous metallic layers combine with metallurgical state, the gap of no interlayer mechanical attachment;
The utility model pole plate-collector function-structural material, middle tinsel thickness range is between 0.01～1.0mm; The porous metallic layers thickness range of two sides is between 0.5～5.0mm, two porous metallic layers can be same thickness or different-thickness, its porosity ranges is between 60%～99%, its effective aperture is between 0.05～2.0mm, and its three-dimensional grid fibrous skeleton cross section equivalent diameter scope is between 0.01～0.05; Integral material thickness is at 1.2～8.0mm, and surface density is at 300～2000g/m
2
The porous metals of two sides can be the same characteristic features structures, it also can be the different characteristic structure, be the same species structure in foaming metal, fiber metal felt and the 3-dimensional metal net etc. or the combination of variety classes structure, the porous metallic layers porosity ranges is between 60～99%; Described tinsel can be single metal or two kinds and above composition metal; Occuping the middle tinsel of overall structure and the porous metals of two sides, can be same metal, also can different metal.
The beneficial effects of the utility model are:
1. the utility model is attached to known porous metals (as three-dimensional grid metal porous bodies such as foaming metal, fiber metal felt, wire nettings) the tinsel two sides with metallurgical state, thereby has eliminated contact gap.
2. use the novel utmost point-current collector material of the utility model bipolarity porous electrode, make battery pack or electrolytic cell group, owing to be the internal series-connection mode, metallurgical state connects, the whole pad-face of two lateral electrodes is solidifying integrated by intermediate metal film, eliminate the gap of mechanical connection, not only greatly increased conductive section, and eliminated contact resistance fully, significantly reduce battery pack or the internal resistance of electrolytic cell group, improve its electrical property, reduce power consumption and material consumption, improve power density.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is another example structure schematic diagram of the utility model.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of nickel metal " bipolarity porous electrode pole plate-collector ", wherein tinsel 1 is the nickel sheet, thickness is 0.03mm; The porous metallic layers of a side is a foaming nickel layer 2 in the porous metallic layers of both sides, and thickness is 1.2mm, and porosity is 97%, and effective aperture is 400 μ m; The porous metallic layers of opposite side is a fiber nickel felt 3, and thickness is 1.0mm, and porosity is 96%, and effective aperture is 350 μ m, and whole surface density is 660g/cm
2
Difference from Example 1 is:
As shown in Figure 2, a kind of nickel-copper " bipolarity porous electrode pole plate-collector ", wherein tinsel 1 is the compound double-level-metal paillon foil of nickel and copper, the porous metallic layers of nickel dam tinsel 11 1 sides is a foaming nickel layer 2; The porous metallic layers of copper layer tinsel 12 1 sides is a foam copper layer 4.
Claims (6)
1. a bipolarity porous electrode pole plate-collector is characterized in that being made of the double-layer porous metal of intermetallic metal paillon foil and two sides, and tinsel and porous metallic layers combine with metallurgical state.
2. according to the described bipolarity porous electrode of claim 1 pole plate-collector, it is characterized in that tinsel thickness is 0.01～1.0mm, two porous metals layer thicknesses are 0.5～5.0mm, and two porous metallic layers are same thickness or different-thickness.
3. according to claim 1 or 2 described bipolarity porous electrode pole plate-collectors, it is characterized in that two porous metallic layers are same characteristic features loose structure or different characteristic loose structure, described loose structure is foaming metal, fiber metal felt or 3-dimensional metal grid.
4. according to the described bipolarity porous electrode of claim 3 pole plate-collector, it is characterized in that the porous metallic layers porosity ranges is between 60～99%.
5. according to claim 1 or 2 described bipolarity porous electrode pole plate-collectors, it is characterized in that tinsel is single metal or two kinds and above composition metal.
6. according to claim 1 or 2 described bipolarity porous electrode pole plate-collectors, it is characterized in that tinsel and two porous metallic layers are metal of the same race or different metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251141 CN2588551Y (en) | 2002-12-11 | 2002-12-11 | Bipolar porous polar plate-current collecting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02251141 CN2588551Y (en) | 2002-12-11 | 2002-12-11 | Bipolar porous polar plate-current collecting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2588551Y true CN2588551Y (en) | 2003-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02251141 Expired - Fee Related CN2588551Y (en) | 2002-12-11 | 2002-12-11 | Bipolar porous polar plate-current collecting body |
Country Status (1)
| Country | Link |
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| CN (1) | CN2588551Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037391A (en) * | 2014-06-25 | 2014-09-10 | 江苏佳成科技股份有限公司 | Composite polar plate of storage battery |
| CN105009353A (en) * | 2013-03-05 | 2015-10-28 | 神华集团有限责任公司 | Bipolar battery, manufacturing method thereof and vehicle |
| CN105393321A (en) * | 2013-05-15 | 2016-03-09 | 住友电气工业株式会社 | Electrode for power storage device, power storage device, and production method for electrode for power storage device |
| CN107305959A (en) * | 2016-04-25 | 2017-10-31 | 松下知识产权经营株式会社 | Battery and cell manufacturing method and battery producing device |
| CN108390068A (en) * | 2018-02-09 | 2018-08-10 | 合肥国轩高科动力能源有限公司 | A kind of bipolar current collector and preparation method thereof |
| CN109786755A (en) * | 2018-12-26 | 2019-05-21 | 中国电子科技集团公司第十八研究所 | Bipolar battery composite current collector structure and preparation method thereof |
| CN112289981A (en) * | 2020-10-26 | 2021-01-29 | 合肥国轩高科动力能源有限公司 | Manufacturing method of bipolar electrode and battery |
| WO2022000308A1 (en) * | 2020-06-30 | 2022-01-06 | 宁德新能源科技有限公司 | Bipolar current collector, electrochemical device, and electronic device |
| WO2023070548A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Battery current collector and preparation method therefor, secondary battery, battery module, battery packet, and electric device |
-
2002
- 2002-12-11 CN CN 02251141 patent/CN2588551Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105009353B (en) * | 2013-03-05 | 2017-05-03 | 神华集团有限责任公司 | Bipolar battery, manufacturing method thereof and vehicle |
| CN105009353A (en) * | 2013-03-05 | 2015-10-28 | 神华集团有限责任公司 | Bipolar battery, manufacturing method thereof and vehicle |
| US9979045B2 (en) | 2013-03-05 | 2018-05-22 | Shenhua Group Corporation Limited | Biopolar battery, manufacturing method thereof and vehicle |
| US9972446B2 (en) | 2013-05-15 | 2018-05-15 | Meidensha Corporation | Electrode for power storage device, power storage device, and method for manufacturing electrode for power storage device |
| CN105393321A (en) * | 2013-05-15 | 2016-03-09 | 住友电气工业株式会社 | Electrode for power storage device, power storage device, and production method for electrode for power storage device |
| CN104037391A (en) * | 2014-06-25 | 2014-09-10 | 江苏佳成科技股份有限公司 | Composite polar plate of storage battery |
| CN107305959A (en) * | 2016-04-25 | 2017-10-31 | 松下知识产权经营株式会社 | Battery and cell manufacturing method and battery producing device |
| JP2017199664A (en) * | 2016-04-25 | 2017-11-02 | パナソニックＩｐマネジメント株式会社 | Battery, battery manufacturing method, and battery manufacturing device |
| JP7018577B2 (en) | 2016-04-25 | 2022-02-14 | パナソニックＩｐマネジメント株式会社 | Batteries, battery manufacturing methods, and battery manufacturing equipment |
| CN108390068A (en) * | 2018-02-09 | 2018-08-10 | 合肥国轩高科动力能源有限公司 | A kind of bipolar current collector and preparation method thereof |
| CN109786755A (en) * | 2018-12-26 | 2019-05-21 | 中国电子科技集团公司第十八研究所 | Bipolar battery composite current collector structure and preparation method thereof |
| WO2022000308A1 (en) * | 2020-06-30 | 2022-01-06 | 宁德新能源科技有限公司 | Bipolar current collector, electrochemical device, and electronic device |
| CN112289981A (en) * | 2020-10-26 | 2021-01-29 | 合肥国轩高科动力能源有限公司 | Manufacturing method of bipolar electrode and battery |
| CN112289981B (en) * | 2020-10-26 | 2022-04-12 | 合肥国轩高科动力能源有限公司 | Manufacturing method of bipolar electrode and battery |
| WO2023070548A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德时代新能源科技股份有限公司 | Battery current collector and preparation method therefor, secondary battery, battery module, battery packet, and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |