国家/地区 中国（4）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01J（8）
IPC C01B032/19（8）
发明人
公开年 2020（4） 2021（3）
申请年 2019（8）
专利权人

Preparation of graphene sheet involves using supercritical carbon dioxide to carry urea aqueous solution to intercalate graphite oxide or expandable graphite, and then stirring nitric acid at room temperature to form urea nitrate nitrates.

CHUNG M, KUAN H, HSU H

Preparation of single-atom noble metal/graphene catalyst for hydrodechlorination of p-chlorophenol, involves electrochemical intercalation and ultrasonic stripping of graphite to load noble metal salt on graphene, and microwave reduction.

GUO W, GUAN C, LANG J, ZHAO G, HUANG Z

Device useful for producing graphene from graphite powder, comprises machine frame supported and installed with container box body inserted with liquid inlet pipe, and container cover provided with microwave generator and stirring motor.

DU W, DU M

Preparing graphene involves forming a graphite/water mixture and introducing the graphite/water mixture into a cavitation reactor using at least two offset nozzles.

STARKOVA M Y, ALEKSEEV S

Manufacturing graphene sponge sheet used for e.g., negative electrode material, filter material and sensor by preparing slurry by mixing graphite powder and ground graphite powder or water containing graphite powder and drying slurry.

PARK Y

Device for production of graphene with different number of atomic layers comprises flow reactor with working mixture supply pipe.

ALEKSEEV S A, SHMATKO S I

Preparation of graphene magnetic aerogel in sewage treatment, by mixing graphene oxide solution, reducing agent and iron(II,III) oxide magnetic nanospheres, performing solvothermal reaction to generate hydrogel, washing and freeze-drying.

DANG A, WANG Y, LI T, ZHAO T, LI H, AI Y

Graphene having polynitrogen coordination structure useful for electrocatalytic reaction of carbon dioxide, oxygen and formaldehyde comprises tomic layers of carbon, oxygen, nitrogen, hydrogen and other elements and catalytic active site.

WANG J, ZHANG T, ZHANG H