Title:
LEAD STORAGE BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/200290
Kind Code:
A1
Abstract:
Provided is a lead storage battery provided with a positive electrode, a negative electrode, an electrolytic solution, a separator interposed between the positive electrode and the negative electrode, and non-woven fabric. The non-woven fabric includes fibers and a filler, and is disposed between the positive electrode and the separator. The separator is provided with a rib formed in a protruding shape from a base portion on the positive electrode side. The relation T/R, which is between the thickness T of the non-woven fabric and the height R from the base portion of the separator taken as a starting point to the top of the rib, is 0.10-11.
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Inventors:
YAMADA KENTARO (JP)
Application Number:
PCT/JP2021/011516
Publication Date:
October 07, 2021
Filing Date:
March 19, 2021
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
H01M50/454; H01M10/12; H01M50/411; H01M50/414; H01M50/42; H01M50/44; H01M50/443; H01M50/451; H01M50/46; H01M50/463; H01M50/466; H01M50/489
Foreign References:
| JP2017059480A | 2017-03-23 | |||
| JP2018018800A | 2018-02-01 | |||
| JP2018006258A | 2018-01-11 | |||
| JP2018018802A | 2018-02-01 | |||
| JP2018018803A | 2018-02-01 | |||
| JP2013206571A | 2013-10-07 | |||
| JPH04218259A | 1992-08-07 | |||
| US20160344036A1 | 2016-11-24 | |||
| JP2005197145A | 2005-07-21 |
Other References:
"Polymer Handbook", JOHN WILEY & SONS, INC.
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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