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（3）
申请年 2018（2） 
专利权人 LI W（3）

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

Preparing graphene by physical peeling method comprises taking high-purity flaky graphite, taking steel balls and zinc-magnesium alloy powder, adding flaky graphite and ball milling medium into ball mill, milling, exfoliating and peeling.

LI W