国家/地区 中国（5）
IPC部 B（5）
IPC大类 C01（5） B82（4）
IPC小类 C01B（5）
IPC C01B032/194（5）
发明人 LI S（5）
公开年 2021（5）
申请年 2021（3）  2020（2） 
专利权人

Preparing metal single atom-graphene composite material involves taking the hydrogen-rich graphene as carrier, using dipping-roasting method, the metal single atom is embedded in the graphene crystal lattice.

YIN J, LI S, MAO J, JIA Y, ZHOU J

Preparing magnetic graphene film used for filtering, solution casting, involves adding natural graphite powder into concentrated sulfuric acid, stirring, adding pre-cooled de-ionized water, and pouring mixed product into ice water mixture.

LI S, CHEN C, WANG Z

Preparing magnetic graphene with narrow and thin dimensions comprises suspending carbon-based raw material in oxidant solution, washing and drying, freeze-drying graphene oxide precursor solution, cooling, washing and heating.

WANG Z, CHEN C, LI S

Spherical nano-graphene material useful for cathode material of lithium ion battery, comprises e.g. graphene oxide, bisphenol A type diglycidyl ether, catalyst, catalytic auxiliary agent, metal oxide, and organic solvent.

CHEN R, CHEN G, YAN T, WANG S, CHEN H, LI S, HAN J, LI X, ZHAO Y

Preparing graphene-loaded graphene quantum dot composite material comprises e.g. dispersing graphene oxide in deionized water, adding organic substance into obtained graphene oxide dispersion, then reacting, centrifuging and washing.

WU W, DU T, LI S