国家/地区 中国（4） 美国（3） 韩国（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B82（5） C01（5） H01（4）
IPC小类 B82Y（5）
IPC B82Y030/00（5）
发明人
公开年
申请年 2021（2） 
专利权人

Utilizing waste sulfuric acid and washing waste water in preparation process of graphene oxide, involves conveying filtered waste sulfuric acid into reactor, stirring, conveying barium carbonate slurry, reacting, aging, filtering, adjusting pH, adding potassium permanganate, stirring and filtering.

GONG W, CAO A, LIU T, SONG X, HOU S, WANG W

Graphene quantum dot composite material for use in lead-acid battery, is prepared by mixing carbon source with solid carrier particles, and reacting at specified temperature, or performing microwave treatment.

WU J, HE X, TIE S, HE K

Graphene-based laminate used in e.g. organic light emitting device, transistors, comprises substrate, graphene layer on substrate, and inorganic layer comprising fluorine-containing lithium compound, formed on graphene layer.

PARK C, CHO S, SEO S, SHIN S, PARK C H, CHO S M, SEO S A, SHIN S M

Making metal oxide-graphene composite, comprises providing composition comprising graphene oxide and elemental metal dispersed in liquid medium, and heating composition in sealed chamber at temperature above nominal boiling point of medium.

ZHAO C

Producing a graphene-solution, useful for producing a composite material, which is useful in batteries, capacitors, paints, coatings and catalysts, comprises reducing graphite with an alkali metal salt in a polar organic solvent.

WOLF A, LOLLI G, MLECZKO L, SCHLUETER O F, SCHLUETER O F K, SCHLUETER O, SCHLUTER O F