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1. (WO2018180073) BINDER FOR POWER STORAGE DEVICE ELECTRODES

Pub. No.:    WO/2018/180073    International Application No.:    PCT/JP2018/006686
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Feb 24 00:59:59 CET 2018
IPC: H01M 4/62
C08F 8/10
H01M 4/13
Applicants: SEKISUI CHEMICAL CO., LTD.
積水化学工業株式会社
Inventors: OKITSUKA, Masumi
沖塚 真珠美
MORITA, Hiroyuki
森田 弘幸
Title: BINDER FOR POWER STORAGE DEVICE ELECTRODES
Abstract:
The present invention provides a binder for power storage device electrodes, which exhibits an excellent binding capability with respect to an active material, is highly resistant to electrolytes, and with which it is possible to prepare a high-capacity power storage device. The present invention also provides a power storage device electrode composition, a power storage device electrode, and a power storage device, all of which use said binder. The present invention pertains to a binder which is used for a power storage device electrode, wherein the binder contains a polyvinyl acetal-based resin, and the polyvinyl acetal-based resin has an ethylene content of 25-50 mol% and a hydroxy group content of 15-35 mol%.