Title:
鉛蓄電池用セパレータ
Document Type and Number:
Japanese Patent JP7248872
Kind Code:
B2
Abstract:
[Problem] To provide a separator for a lead acid battery capable of suppressing electrolyte stratification and improving the battery reliability (prolongation of life during idling stop operation and stability of capacity detection) of a lead acid battery.[Solution] A separator for a lead acid battery, characterized in that the separator comprises a porous backweb and a plurality of ribs extending from each of both surfaces of the backweb, the rib on a surface on a side that comes into contact with a positive electrode plate is a broken rib, has a shape with two or more bending points, and is a linear broken rib that bends in opposite directions at each of two consecutive bending points or is a curved broken rib having one or more inflection points.
Inventors:
Daiki Kageyama
Tatsushi Takashi
Masateru Onishi
Tatsushi Takashi
Masateru Onishi
Application Number:
JP2022559780A
Publication Date:
March 29, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
Entec Asia Co., Ltd.
International Classes:
H01M50/463; H01M10/12; H01M50/46
Domestic Patent References:
| JP2019517713A | ||||
| JP2005197145A | ||||
| JP2001210302A | ||||
| JP2006228637A | ||||
| JP2013508917A | ||||
| JP2016184710A |
Attorney, Agent or Firm:
Shimizu Yoshihiro
Kimiyoshi Nishimura
Tonomoto Kii Castle
Kaoru Noda
Yuko Komatsu
Kimiyoshi Nishimura
Tonomoto Kii Castle
Kaoru Noda
Yuko Komatsu