国家/地区 日本（13） 台湾（12） 世界知识产权组织（12） 中国（11） 欧洲专利局（EPO）（10） 美国（10） 韩国（9） 加拿大（7） 西班牙（2）
IPC部 C（13）
IPC大类 C01（13）
IPC小类 C01B（13）
IPC C01B032/182（13）
发明人 TAMAKI E（13）
公开年 2017（5） 2021（2）
申请年 2016（3）  2013（2）  2015（2）  2017（2）  2020（2） 
专利权人 TORAY IND IN.（13） TORAY ADVANC.（4） KUBOTA Y（2） LIU G（2）
SUN P（2） TAMAKI E（2） WU G（2） WU Z（2）

Graphene dispersion used for lithium-ion battery positive electrode, contains graphene, (meth) acrylic polymer having hydroxy group, and dispersion medium.

KATO T, TAKEUCHI T, KATASE I, TAMAKI E

Graphene dispersion used in positive electrode paste for positive electrode for lithium ion battery, contains graphene and polyvinyl alcohol.

KATO T, TAKEUCHI T, KATASE F, TAMAKI E

Graphene dispersion useful in positive electrode paste for lithium-ion batteries, comprises graphene with specific thickness, and solvent with specific solubility.

KATO T, TAKEUCHI T, KATASE F, TAMAKI E, TAKASHI T

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, has amine compound having molecular weight of predetermined value and organic solvent.

WU Z, CHEN Z, SUN P, TAMAKI E, KAWASAKI M, LIU G

Graphene dispersion liquid used for manufacturing composite particles, is obtained by dispersing graphene having preset ratio of median diameter with respect average value of size along plane direction in organic solvent.

HIRAI Y, TAMAKI E, KAWASAKI M, YOSHIHIDE H

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/organic solvent dispersion liquid used for manufacturing electrode, comprises graphene having preset difference between moisture content as measured by Karl Fisher method under specified conditions dispersed in organic solvent.

YANG H, TAMAKI E, KAWASAKI M, HIRAI Y, MIYAZONO K, YOSHIHIDE H

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