国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/19（2）
发明人 WANG Z（3） ZHANG H（2）
公开年 2017（2） 2018（2）
申请年 2017（4）
专利权人 WANG G（4）

Graphene oxide based composite material preparation involves mixing graphite tablets and sodium nitrate in container, placing container in ice bath with constant dropping of concentrated sulfuric acid, and then adding potassium dichromate.

WANG Z, ZHANG H

Preparation of graphene oxide/calcium silicate nanowire composite material involves adding graphene oxide solution into a beaker, stirring, adding calcium nitrate tetrahydrate solution, and ultrasonically crushing.

WANG G

Graphene rod preparation device comprises constant temperature heating device, silica capillary column, solution tank, rotary table, liquid receiver and insulation plug.

WANG Z

Preparing graphene comprises taking graphite powder, placing graphite powder into heating box, cooling, adding graphite powder into chlorosulfonic acid and stirring, inserting mixed material layer, peeling and treating ultrasonically.

WANG Z, ZHANG H