国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2）
发明人
公开年 2014（2）
申请年 2014（2） 
专利权人

Purification of graphene oxide/graphene solution by pumping graphene oxide/graphene filtered solution in channel of filter discharge tube, purifying by action of electric field between cathode, filtering, and pumping solution in water tank.

LONG D, TAN B, YAN L

Preparation of multiple graphene layer used for e.g. lithium ion battery cathode material, by mixing charcoal powder and strong alkali, microwave heating, washing with water and acid, removing inorganic impurity, and purifying.

YANG Z, LIU J