Title:
ACTIVE MATERIAL HOLDING MEMBER, ELECTRODE, AND LEAD STORAGE BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/064827
Kind Code:
A1
Abstract:
This lead storage battery is provided with an electrode that comprises an active material holding member and an active material, wherein: the active material holding member comprises a tube 111 for holding the active material and a sealing member for sealing one end 111a of the tube 111; the tube 111 is formed by helically winding at least one turn of a base material 116 from the one side 111a toward the other side 111b, and has an overlap 117 where a part of an inner circumferential side of the base material 116 is clad over a part of an outer circumferential side portion thereof; the overlap 117 includes a winding end 118 of the base material 116 at the one end 111a of the tube 111; and said one end 111a of the tube 111 is positioned lower in the vertical direction than the other side 111b.
Inventors:
SUZUKI KEITA (JP)
Application Number:
PCT/JP2019/038628
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
H01M4/76; H01M4/14
Foreign References:
| JPH07320771A | 1995-12-08 | |||
| JPS287735Y1 | ||||
| JPS6029364U | 1985-02-27 | |||
| JPS52156340A | 1977-12-26 | |||
| JPS287734Y1 | 1953-08-15 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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