Title:
CURRENT COLLECTOR AND LEAD ACID BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/074707
Kind Code:
A1
Abstract:
A current collector comprising: a grid portion in which a plurality of openings are formed, a first support portion provided at one end of the grid portion and extending in the first direction, and a second support portion and a third support portion located on both sides of the grid portion in the first direction and extending from the first support portion, wherein where the length of the opening in the first direction is denoted by A, and the length of the opening in the second direction orthogonal to the first direction is denoted by B, the A/B of the opening having the largest A + B among the plurality of openings is 0.5-2.5 (inclusive).
Inventors:
SEWA ITARU (JP)
HARADA MOTOKO (JP)
SEKIDO HIDETAKA (JP)
HARADA MOTOKO (JP)
SEKIDO HIDETAKA (JP)
Application Number:
PCT/JP2020/037703
Publication Date:
April 14, 2022
Filing Date:
October 05, 2020
Export Citation:
Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
H01M4/73
Foreign References:
| JPS63184562U | 1988-11-28 | |||
| JP2000311693A | 2000-11-07 | |||
| JP2010520607A | 2010-06-10 | |||
| JP2001332251A | 2001-11-30 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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