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Title:
鉛蓄電池
Document Type and Number:
Japanese Patent JP6724781
Kind Code:
B2
Abstract:
A lead storage battery comprising a positive electrode and a negative electrode, wherein the negative electrode has a current collector, and a negative electrode material supported by the current collector; the negative electrode material comprises (A) a negative electrode active material, (B) a bisphenol-based resin having a structural unit derived from a reaction of (b1) a bisphenol-based compound, (b2) at least one selected from the group consisting of aminobenzenesulfonic acids and aminobenzenesulfonic acid derivatives, and (b3) at least one selected from the group consisting of formaldehyde and formaldehyde derivatives, and (C) a naphthalenesulfonic acid-based resin; and a specific surface area of the negative electrode material is 0.5 m 2 /g or more in a fully charged state.

Inventors:
Koji Kogure
Satoshi Minoura
Toshio Shibahara
Kosuke Hara
Tomoko Ueda
Go Yamashita
Application Number:
JP2016545523A
Publication Date:
July 15, 2020
Filing Date:
August 24, 2015
Export Citation:
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Assignee:
Hitachi Chemical Co., Ltd.
International Classes:
H01M4/62; H01M4/14
Domestic Patent References:
JP2012043594A
JP2012501519A
JP2006294576A
JP2013211205A
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Hiroyuki Hirano
Tomoya Furoshita