#SUMITOMO SEIKA CHEMICALS [JP]

AQUEOUS COMPOSITIONS FOR SECONDARY BATTERIES STABILIZED AGAINST VISCOSITY CHANGES UPON STORAGE

The present invention provides a method that enables the use of an aqueous solution of a copolymer of vinyl alcohol and an alkali metal neutralized product of ethylenically unsaturated carboxylic acid…

DRIVE·Nov 19·2 min read

C08B11/12 SUMITOMO SEIKA CHEMICALS [JP]

BINDER FOR SECONDARY BATTERIES

The present invention provides a binder for a secondary battery having excellent binding force. A binder for a secondary battery comprising a polymer compound, wherein the polymer compound contains re…

DRIVE·Aug 6·1 min read

C08F216/06 SUMITOMO SEIKA CHEMICALS [JP]

BINDER FOR SECONDARY BATTERIES

The present invention provides a binder for a secondary battery that can reduce the initial resistance value of the secondary battery. A binder for a secondary battery comprising a polymer compound, w…

DRIVE·Aug 6·1 min read

C08F216/06 SUMITOMO SEIKA CHEMICALS [JP]

ADDITIVE FOR NONAQUEOUS ELECTROLYTE, NONAQUEOUS ELECTROLYTE, AND ELECTRICITY STORAGE DEVICE

The present invention aims to provide an additive for a non-aqueous electrolyte solution with excellent storage stability capable of forming a stable SEI on the surface of an electrode to improve cell…

DRIVE·May 14·2 min read

C07C309/65 SUMITOMO SEIKA CHEMICALS [JP]

GELLING AGENT FOR AN ELECTROLYTE SOLUTION FOR AN ALKALINE BATTERY

A gelling agent capable of turning an electrolyte solution for an alkaline battery into a gel, which is less likely to cause syneresis, is composed of particles of a carboxyl group-containing polymer,…

DRIVE·May 23·2 min read

H01M10/26 SUMITOMO SEIKA CHEMICALS [JP]

SULFONE COMPOUND

It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent therma…

DRIVE·Aug 3·1 min read

C07C315/00 SUMITOMO SEIKA CHEMICALS [JP]