国家/地区 中国（3）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 LI W（3）
公开年 2018（2）
申请年 2018（3）
专利权人 LI W（3）

Graphene powder separating apparatus has fixed disk whose middle portion is coupled to lower end of vertically arranged compression spring whose upper end is fixedly coupled to central portion of horizontally disposed placement disk.

LI S, LI W

Preparation of ultrathin shell graphene hollow spheres used in e.g. pure electric vehicle, involves mixing graphene oxide dispersion and silica sphere template dispersion, dissolving in hydrofluoric acid, filtering, washing, drying.

LI W

Method for preparing titanium dioxide-nitrogen sulfide/graphene composite film dye-sensitized solar cell, involves adding butyl titanate and adding polyethylene glycol-polypropylene glycol-polyethylene glycol copolymer.

LI W