国家/地区 中国（4）
IPC部 B（4）
IPC大类 B82（4） C01（4） H01（2）
IPC小类 B82Y（4）
IPC B82Y040/00（4）
发明人 LIU J（4）
公开年 2023（4）
申请年 2023（4）
专利权人

Preparation of cobalt alkoxide used as lithium-ion battery negative electrode material, involves adding cobalt acetate and lithium hydroxide into ethylene glycol, heating, reacting at constant temperature, washing, filtering, and drying.

LIU J, HUANG S

Method for preparing graphene sub-nanoscale gap by feedback control electric breakdown, involves stopping voltage to apply to two ends of single-layer graphene nanoribbon when resistance of single-layer graphene nanoribbon reaches preset resistance to construct and obtain graphene sub-nanoscale gap.

SU M, HONG W, LIU J, ZHANG C, YUAN Z

Multi-element composite electromagnetic wave absorbing material useful in electromagnetic wave absorbing field, comprises reduced graphene oxide, titanium carbide MXene and metal-organic frameworks derived iron cobalt carbon nano particles.

LIU J, LEI D, ZHANG P, LIU C, LI Y

Preparing honeycomb-shaped multilayer graphene, comprises mixing potassium persulfate, phosphorus pentoxide and concentrated sulfuric acid, adding crystalline flake graphite, and mixing pre-oxidized graphite and sodium nitrate, and concentrated sulfonate and reacting to obtain precursor solution.

LIU J, ZHU Y, ZHAO R, PENG Y, QIU X, WU X