国家/地区 中国（3）
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人 CHEN Z（3）
公开年 2018（3）
申请年 2017（3） 
专利权人 UNIV CHANGSHA SCI TECHNOLOGY（3）

Preparation of graphene-cobalt-iron-tin composite material, involves adding pre-oxidized graphite, concentrated sulfuric acid, potassium permanganate and deionized water, adding phosgene, iron(III) chloride and tin(II) chloride.

ZHU H, CHEN Z

Preparation method of graphene/polyimide composite material, involves placing graphite powder, sodium nitrate and concentrated sulfuric acid into beaker, stirring, adding potassium permanganate to beaker, stirring, and heating.

CHEN Z

Graphene-iron alloy comprises carbon, silicon, cobalt, magnesium, antimony, cerium, samarium, vanadium, rhenium, zirconium, chromium, tantalum, strontium, graphene, and iron and unavoidable impurities.

CHEN Z