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Title:
LEAD STORAGE BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/084878
Kind Code:
A1
Abstract:
Provided is a lead storage battery comprising a positive plate, a negative plate, and a separator interposed between the positive plate and the negative plate. The positive plate includes a positive electrode material. The positive electrode material contains an Sb element. The content of the Sb element within the positive electrode material is at least 0.05% by mass. The separator contains polyolefin and oil, and the apparent density thereof is at least 0.46g/cm3 and less than 0.57g/cm3.

Inventors:
TATSUZAWA MASAHITO (JP)
ITO ETSUKO (JP)
ANDO KAZUNARI (JP)
Application Number:
PCT/JP2020/032404
Publication Date:
May 06, 2021
Filing Date:
August 27, 2020
Export Citation:
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Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M10/06; H01M4/14; H01M4/56; H01M4/62; H01M50/409
Domestic Patent References:
WO2019087678A12019-05-09
WO2018229875A12018-12-20
Foreign References:
JP2017079144A2017-04-27
JP2001338631A2001-12-07
JPH06236752A1994-08-23
JP2006140034A2006-06-01
JPH1031992A1998-02-03
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