国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC C01B032/194（2） C23C014/35（2）
发明人
公开年 2018（3）
申请年 2017（2） 
专利权人

Preparing graphene/metal composite material useful for high speed train insulated gate bipolar transistor packaging comprises e.g. preparing graphene oxide dispersion, coating layer of metal boron and titanium on surface of graphene film.

CHU K, WANG F, HUANG D, LI Y

Preparing graphene composite film comprises mixing graphite and strong oxidant, adding organic polymer flocculant polyacrylamide, stirring to obtain a graphite emulsion-I, passing through a sieve to obtain a graphite emulsion-II.

ZHU Y, SHAO R

Preparing copper/graphene composite material involves using acetone, ethanol and de-ionized water for washing rolled copper foil, ultrasonic cleaning rolled copper foil with hydrochloric acid, and then cleaning copper foil.

ZHANG K, SONG R, LIU P, LI W, CHEN X, MA F, HE D, LIU X