国家/地区 中国（6） 香港（2）
IPC部 H（4） C（3）
IPC大类 H01（4） C01（3）
IPC小类 H01M（4） C01B（3）
IPC C01B031/04（3） H01M004/13（2） H01M004/139（2）
H01M004/36（2）
发明人 WEI W（6）
公开年 2013（6）
申请年 2013（5） 
专利权人 UNIV TSINGHU.（6）

Preparation of graphene material comprises dispersing additive surface-grafted with graphene sheet, and self-dispersing graphite material into solvent.

KANG F, WEI W, LI B, YANG Q, LV W, ZHANG C

Preparing graphene comprises providing graphite monoxide powder, placing graphite oxide powder into solvent and then heat treating to prepare graphene oxide dispersion liquid, introducing hydrogen sulfide gas of the graphene and reacting.

KANG F, LI B, LV W, TAO Y, WEI W, YANG Q, ZHANG C, ZHENG X

Method for preparing graphite alkenyl composite material, involves introducing hydrogen sulfide gas into graphene oxide dispersion liquid, reducing graphene oxide into graphene and loading sulfur into dispersion liquid followed by drying.

KANG F, LI B, LV W, TAO Y, WEI W, YANG Q, ZHANG C, ZHENG X

Method for preparing graphite alkenyl composite material used as lithium-sulfur battery anode material, involves reducing graphene oxide into graphene and loading sulfur into liquid followed by performing solvent thermal process and drying.

KANG F, LI B, LV W, TAO Y, WEI W, YANG Q, ZHANG C, ZHENG X

Method for recycling and regenerating graphene in waste lithium ion battery, involves coating cathode material to obtain mixture material, and separating layer and blend material from graphite electrode material.

KANG F, LI B, WEI W, YANG Q, LV W, YOU C, ZHANG C, HONG F

Preparation of modified graphene involves reacting graphite and substance with polar functional group, grafting polar functional group of substance to graphite, drying, crushing and heating obtained powdered graphite in protective gas.

KANG F, LV W, WEI W, YANG Q, LI B, YOU C, HONG F