Title:
電極、鉛蓄電池及びこれらの製造方法
Document Type and Number:
Japanese Patent JP6728772
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a phenolic resin having excellent cycle characteristics in a lead-acid battery.SOLUTION: The phenolic resin has a structural unit derived from the reaction of: (a) at least one selected from the group consisting of phenolsulfonic acid and phenolsulfonic acid derivatives; (b) at least one selected from the group consisting of urea and urea derivatives; and (c) at least one selected from the group consisting of formaldehyde and formaldehyde derivatives.SELECTED DRAWING: None
Inventors:
Go Yamashita
Koji Kogure
Kosuke Hara
Kenji Suzuki
Koji Kogure
Kosuke Hara
Kenji Suzuki
Application Number:
JP2016038814A
Publication Date:
July 22, 2020
Filing Date:
March 01, 2016
Export Citation:
Assignee:
Hitachi Chemical Co., Ltd.
International Classes:
H01M4/62; C08G14/08; C08L61/34; H01M4/02; H01M4/04; H01M4/14; H01M4/20
Domestic Patent References:
| JP5004846A | ||||
| JP5155960A | ||||
| JP4349160A | ||||
| JP8232000A | ||||
| JP11121008A |
Foreign References:
| WO2012017702A1 | ||||
| WO1997037393A1 | ||||
| WO2012117941A1 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Hiroyuki Hirano
Tomoya Furoshita
Yoshinori Shimizu
Hiroyuki Hirano
Tomoya Furoshita