国家/地区 中国（15）
IPC部 C（15） B（6） G（3）
H（3）
IPC大类 C01（15） B01（4） B82（3）
G01（3） C09（2） H01（2）
IPC小类 C01B（15）
IPC C01B032/225（15）
发明人 GAO C（3） LI X（2） LIU L（2）
SUN H（2）
公开年 2021（15）
申请年 2020（7）  2021（6）  2019（2） 
专利权人

Preparation method of expanded graphite, comprises mixing phosphorus pentoxide, expanding agent, graphite and sulfuric acid to obtain mixture, and mixing and reacting mixture with auxiliary expanding agent to obtain graphite.

CHE C, LIU L, ZHU Y, KONG G

Preparing high pure coal series graphite used for preparing graphene, involves soaking in electrolyte, keeping constant voltage to obtain expanded graphite anode sheet, and rising voltage to peel off anode until voltage changed to zero.

SUN H, LIU L, HUA Z, CAO W, ZHANG X, QUAN Y, JI L

Graphene composite radiating film useful for preparing radiating material, prepared by carbonizing graphene film, subjecting expanded graphite powder to microwave treatment, and vacuum pressing expanded graphite powder and graphene film.

ZHOU Y, LIU X, WANG W, LI L, CHENG W

Preparing spinning-grade single-layer graphene oxide slurry involves adding natural flake graphite to dilute sulfuric acid and ultrasonicating while stirring to obtain a reaction solution and adding concentrated sulfuric acid.

SUN H, PENG W, LI X, GAO C

Preparing titanium-graphene composite material comprises ball milling graphene powder material and titanium alloy powder in a ball mill set with tank filled with argon gas for protection, and performing densification sintering and molding.

DONG L, ZHOU L, CUI W, ZHANG Y

Graphene puffing device comprises first main board, second main board and feeding plate, where bottom of first main board is provided with second main board, feeding board is fixedly connected at top end of first main board.

LIU D

Preparation of vertical orientation assembly of two-dimensional sheet material used in field of recycling and utilization of energy, by configuring two-dimensional sheet material and constructing scratches in same sliding direction.

XU Z, GAO C, CAO M, LIU Y

Dry graphene powder composition used in graphene ink used in two- or three-dimensional printing comprises pristine graphene flakes non-covalently functionalized with polymeric amphiphilic molecules.

TRAN T S, ROY CHOUDHURY N, DUTTA N, ROY C N, AWARD T, ROICHOUDURINAMITA, DUTANABA, DUTA N

Anode used for alkali metal battery, comprises multiple porous graphene balls comprising graphene sheets, and multiple particles or coating of lithium-attracting metal or sodium-attracting metal having preset thickness.

JANG B Z, CHANG H, ZHAMU A, ARUNA J A, JEAN B, ZHANG B, ZHANG H

Producing graphene nanosheet by manufacturing electrode assembly comprising artificial graphite as negative electrode and lithium metal counter electrode, immersing in electrolyte, electrochemically charging, separating and exfoliating.

NOH S I, WOO S W, LEE C J, NOH S, WOO S, LEECHANGJU, LI C, YU X