国家/地区 加拿大（9）
IPC部 H（9） C（7） B（5）
IPC大类 H01（9） C01（7） B82（4）
C09（2）
IPC小类 H01M（9） C01B（7） B82Y（4）
H01B（4）
IPC H01M004/62（9） C01B032/182（7） H01M010/0525（7）
C01B031/04（6） C01B031/02（5） C01B032/15（5）
C01B032/18（5） H01M010/052（5） B82Y030/00（4）
C01B032/192（4） H01M004/13（4） H01M004/139（4）
H01M004/36（4） H01M004/58（4） H01M004/583（4）
发明人 TAMAKI E（9） KUBOTA Y（7） SUN P（4）
LIU G（3） WU G（3） WU Z（3）
YANG H（3） KAWAMURA H（2） KAWASAKI M（2）
MANABE K（2）
公开年 2014（3） 2017（2）
申请年 2013（2）  2014（2）  2015（2） 
专利权人 TORAY IND INC（9）

Surface-treated graphene used for manufacturing dispersion liquid for forming composite particles for electrode paste, is obtained by adhering aromatic amine compound or its neutralized salt with graphene.

MANABE K, TAMAKI E, KAWASAKI M

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 composite useful in conductive additive and paste which is useful in electrode for lithium ion batteries, includes a graphene powder and a compound having a structure of pyrazolone.

DU N, WANG J, SUN P, TAMAKI E, KUBOTA Y, MIYAZONO K, KUBOTA, MIYASONO T

Positive electrode active material-graphene composite particles for positive electrode material, comprises positive electrode active material, and has preset value of carbon element in material surface with respect to total material.

KAWAMURA H, KUBOTA Y, TAMAKI E, MATSUSHITA M, YANG H

Positive electrode active material-graphene composite particles used as positive electrode material of lithium-ion battery, have specified range of functionalization rate calculated by X-ray-photoelectron-spectroscopy measurement.

TAMAKI E, KUBOTA Y, KAWAMURA H, YANG H, HARA M

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