国家/地区 中国（4）
IPC部 C（3） B（2）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人 QIN X（4）
公开年 2012（4）
申请年 2011（2）  2012（2） 
专利权人 CHINESE ACAD.（2）

Producing graphene powder comprises adding graphite blocks to container, pouring liquid, dipping graphite blocks, centrifuging, precipitating graphite particles and graphite sheet, and concentrating and separating supernatant.

GUO G, KONG M, QIN X, SONG C, WANG N, XIN H, ZHANG J, ZHU X

Graphene material preparation by stirring graphite suspension in container installed with gear set at low speed, then high speed centrifuging to obtain upper layer solution as single layer graphene solution, and concentrating solution.

GUO G, KONG M, QIN X, SONG C, WANG N, XIN H, ZHANG J, ZHU X

Preparing titanium dioxide/graphene composite nanomaterial, comprises preparing graphite oxide and graphene oxide using normal chemical method, and taking the graphite oxide dispersed into de-ionized water.

HUANG B, QIN X, WANG Z, ZHANG X

Preparing graphene comprises adding hexabromobenzene and substance (copper bromide, copper iodide, copper chloride, copper or nickel) into solvent, stirring, heating under e.g. normal pressure in anaerobic environment or aerobic environment.

LIU H, QIN X, WANG L