公开(公告)号：US20180083267A1

公开(公告)日：2018-03-22

申请号：US15562762

申请日：2016-03-28

Applicant: GS Yuasa International Ltd.

Inventor： Eriko SASAKI ,  Ikumi MOTOI

IPC: H01M4/14 ,  H01M8/08 ,  H01M2/36 ,  H01M8/1041 ,  H01M4/16

CPC classification number: H01M4/14 ,  H01M2/364 ,  H01M4/16 ,  H01M4/62 ,  H01M8/08 ,  H01M8/1055

Abstract: A lead-acid battery includes a negative electrode plate that comprises: a negative electrode material which has a density of 2.7 g/cm3 or more and 3.8 g/cm3 or less and contains an organic expander having an S element content of 3900 μmol/g or more; and a current collector.