#Shin-Etsu Chemical Co., Ltd.

NEGATIVE ELECTRODE ACTIVE MATERIAL, MIXED NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL

A negative electrode active material includes: particles of negative electrode active material, the particles of negative electrode active material contain particles of silicon compound containing a s…

DRIVE·Jun 24·2 min read

H01M4/364 Shin-Etsu Chemical Co., Ltd.

SILICON OXIDE PARTICLES, MAKING METHOD, LITHIUM ION SECONDARY BATTERY, AND ELECTROCHEMICAL CAPACITOR

Silicon oxide particles each comprising an inner portion having an iron content of 10-1,000 ppm and an outer portion having an iron content of up to 30 ppm are suitable as negative electrode active ma…

DRIVE·May 26·1 min read

H01M4/483 Shin-Etsu Chemical Co., Ltd.

SILICON COMPOSITE, MAKING METHOD, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL NEGATIVE ELECTRODE MATERIAL

A silicon composite comprises silicon particles whose surface is at least partially coated with a silicon carbide layer. It is prepared by subjecting a silicon powder to thermal CVD with an organic hy…

DRIVE·Jun 18·1 min read

H01M4/366 Shin-Etsu Chemical Co., Ltd.

SILICON-CONTAINING PARTICLES, NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD OF MANUFACTURING SILICON-CONTAINING PARTICLES

The present invention intends to provide silicon-containing particles that, when used as a negative electrode active material for a nonaqueous electrolyte secondary battery, can form a nonaqueous elec…

DRIVE·Feb 6·1 min read

H01M4/134 Shin-Etsu Chemical Co., Ltd.