#JFE CHEMICAL CORPORATION

HARDLY GRAPHITIZABLE CARBON, MIXED CARBON POWDER, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY

Non-graphitizable carbon, a negative electrode for a lithium-ion secondary battery, and a lithium-ion secondary battery are disclosed. In the non-graphitizable carbon, a strain ε determined by a metho…

DRIVE·Jun 11·1 min read

H01M4/583 JFE CHEMICAL CORPORATION

CARBONACEOUS SUBSTANCE-COATED GRAPHITE PARTICLES, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY

Provided are carbonaceous substance-coated graphite particles that include: graphite particles; and carbonaceous coatings covering at least part of surfaces of the graphite particles, the carbonaceous…

DRIVE·Sep 14·1 min read

H01M4/366 JFE CHEMICAL CORPORATION

SPHERICALLY-SHAPED COATED GRAPHITE, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Provided is spherically-shaped coated graphite exhibiting excellent cycle capacity-maintaining property when used as a negative electrode material for a lithium ion secondary battery. The spherically-…

DRIVE·Sep 14·1 min read

C01B32/21 JFE CHEMICAL CORPORATION

CARBONACEOUS SUBSTANCE-COATED GRAPHITE PARTICLES, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Provided is carbonaceous substance-coated graphite particles that exhibit excellent battery properties when used as a negative electrode material for a lithium ion secondary battery. The carbonaceous …

DRIVE·Sep 14·1 min read

H01M4/366 JFE CHEMICAL CORPORATION

METHOD FOR PRODUCING CARBONACEOUS SUBSTANCE-COATED GRAPHITE PARTICLES

Resin-adhered graphite particles are obtained by causing a modified novolac-type phenolic resin to adhere to graphite particles. At least part of surfaces of the graphite particles is coated with a ca…

DRIVE·Apr 6·1 min read

H01M4/583 JFE CHEMICAL CORPORATION

CARBON MATERIAL FOR NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY AND METHOD OF PRODUCING THE SAME, AND NEGATIVE ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE CARBON MATERIAL

Provided is a carbon material for a negative electrode of a lithium ion secondary battery, which has a small particle diameter, high initial charge-discharge efficiency, and a high 2C discharge rate, …

DRIVE·Apr 28·2 min read

C01B32/205 JFE CHEMICAL CORPORATION

METHOD FOR PRODUCING CARBONACEOUS SUBSTANCE-COATED GRAPHITE PARTICLES

DRIVE·Dec 30·1 min read

H01M4/133 JFE CHEMICAL CORPORATION