国家/地区 中国（4）
IPC部 C（3） H（2）
IPC大类 C01（3） H01（2）
IPC小类 C01B（3） H01M（2）
IPC C01B025/45（2） H01M004/36（2） H01M004/58（2）
H01M010/0525（2）
发明人 CHEN Z（4）
公开年 2017（3）
申请年 2016（4）
专利权人 UNIV CHANGSHA SCI TECHNOLOGY（4）

Preparation of graphene involves grinding pure magnesium powder, mixing magnesium powder with sodium chloride, adding carbon tetrachloride liquid to another ceramic container, and vacuumizing mixture in vacuum furnace.

CHEN Z, ZHU H, ZHANG Z

Preparation of graphene dispersion, involves dissolving graphene in solvent, subjecting mixed homogeneous graphene liquid to dispersion treatment, centrifuging graphene solution and removing upper solution which is graphene dispersion.

CHEN Z, ZHANG Z, LUO D, DUAN J

Preparing lithium iron phosphate/graphene composites material comprises mixing lithium iron phosphate and the graphene, then taking N-methyl-2-pyrrolidone as the dispersant, then ball milling ours and calcining under nitrogen.

ZHU H, CHEN Z, ZHANG Z, ZHANG C

Preparing lithium iron phosphate/graphene composite material comprises e.g. adding waste lithium iron phosphate cathode piece into ethyl acetate and alcohol mixed organic solvent, adding natural graphite flake graphite, washing and drying.

CHEN Z, ZHU H