国家/地区 加拿大（5）
IPC部 B（5）
IPC大类 C01（5） H01（5） B82（4）
IPC小类 C01B（5）
IPC C01B031/02（5）
发明人 TAMAKI E（5）
公开年
申请年 2013（2） 
专利权人 TORAY IND IN.（5） KUBOTA Y（2） LIU G（2） SUN P（2）
TAMAKI E（2） TORAY ADVANC.（2） WU G（2） WU Z（2）

Graphene dispersion liquid used for manufacturing active material composite particles, is obtained by dispersing graphene in solvent comprising specified amount of N-methylpyrrolidone, and has preset weight absorptivity coefficient.

MANABE K, TAMAKI E, KAWASAKI M

Graphene powder for manufacturing paste for forming lithium ion battery electrode, has preset specific surface area measured by BET measurement, and oxygen-to-carbon element ratio measured by X-ray photoelectron spectroscopy.

YANG H, TAMAKI E, KUBOTA Y

Graphene composition useful in an electrode for a lithium ion battery, comprises thiourea that has a specified sulfur to carbon ratio.

SUN P, WU Z, LIU G, WU G, TAMAKI E, KUBOTA Y

Graphene powder for preparing lithium ion battery electrode, comprises compound having catechol group that adsorbs on graphene, e.g. catechol, dopamine hydrochloride, 3,4-dihydroxyphenylalanine, noradrenalin, and caffeic acid.

SUN P, LIU G, WU Z, WU G, TAMAKI E, KUBOTA Y

Graphene powder having specific elemental ratio of oxygen atoms to carbon atoms and specific elemental ratio of nitrogen atoms to carbon atoms, useful in electrochemical device, which is lithium ion secondary battery.

SUN P, WU Z, LIU G, TAMAKI E, KUBOTA Y, WU G, KAI W, GANG U