Title:
LEAD ACID BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/067032
Kind Code:
A1
Abstract:
A separator for lead acid batteries, which contains a polyolefin and has a pore tortuosity factor of 5 or more. A lead acid battery provided with a positive electrode plate, a negative electrode plate, and the separator which is interposed between the positive electrode plate and the negative electrode plate.
Inventors:
ITO ETSUKO (JP)
ANDO KAZUNARI (JP)
ANDO KAZUNARI (JP)
Application Number:
PCT/JP2019/037310
Publication Date:
April 02, 2020
Filing Date:
September 24, 2019
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M10/12; H01M50/443; H01M50/491
Domestic Patent References:
| WO2016059739A1 | 2016-04-21 | |||
| WO2014128803A1 | 2014-08-28 |
Foreign References:
| JPH11322988A | 1999-11-26 | |||
| JP2017045539A | 2017-03-02 | |||
| EP1585182A1 | 2005-10-12 | |||
| JP2013211115A | 2013-10-10 | |||
| JP2017063001A | 2017-03-30 | |||
| JP2017033660A | 2017-02-09 |
Other References:
See also references of EP 3836251A4
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