国家/地区 中国（13）
IPC部 C（13）
IPC大类 C01（13） C09（13） B82（3）
B01（2） C08（2） H05（2）
IPC小类 C01B（13）
IPC C01B032/19（13）
发明人 ZHANG F（4） CUI D（3） GE M（3）
LU Y（3） WANG J（3） LI C（2）
ZHANG S（2）
公开年 2022（7） 2023（6）
申请年 2022（13）
专利权人 SHANGHAI NAT.（3）

Preparing graphene heat-conducting silicone grease comprises e.g. adding graphite into ultrapure water, stirring, using mechanical stripping process to obtain graphene slurry, filtering to get filter cake, adding transfer solvent, stirring, and utilizing transfer solvent to wash graphene slurry.

MA Y, LI Y, FENG J, LI X, LIU H

Preparing graphene quantum dot based on heterogeneous catalyst, comprises e.g. dispersing manganese dioxide particles in water, adding hydrogen peroxide and neutral graphene oxide solution into reaction solution, then adding hydrochloric acid and hydrogen peroxide, and post-processing.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparation of graphene-coated glass micro-powder used as phase change heat absorber, involves dispersing oxidized graphene in pure water, adding glass micro-powder, stirring, adding ammonium bifluoride solution, reacting, reducing oxidized graphene, washing generated gel, and drying.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparation of multilayer self-fused graphene heat conducting film involves preparing pre-reduced graphene oxide slurry, pouring substrate, coating to form film, drying, stacking, graphitizing under argon atmosphere, and rolling.

KONG Q, TAO Z, YANG S, LIU Z

Preparation of high-thermal conductivity graphene heat-dissipation film involves adding graphene oxide film to be treated to chamber of continuous microwave processing equipment, vacuuming chamber, pretreating, and performing photoreduction and high-temperature structural reformation process.

ZHAO Z, ZHANG Y

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

Preparing low oxygen, high stripping graphene oxide useful in preparation of graphene heat-conducting film, comprises e.g. homogenizing and suction filtering dispersion liquid, separating concentrated sulfuric acid in reaction material, washing and filtering solid material.

ZHANG C, LI C, WANG J, YU X, ZHANG S

Preparation of graphene synergistic sol used for improving soil quality, involves adding flake graphite into mixed acid solution, adding intercalation agent, reacting, and ultrasonically dispersing to obtain graphene, adding dispersant, organic bentonite, and ultrasonically treating.

ZHANG J, ZHANG F, ZHENG B

Preparing nano-graphene used as plugging agent in oil-based drilling fluid, comprises reacting graphite, oxidant i.e. ammonium persulfate and intercalating agent i.e. concentrated sulfuric acid, reacting with concentrated sulfuric acid and oxidant i.e. potassium permanganate, and gas-stripping.

DAI F, LI W, HUANG D, XIE G, LUO P, LI D, BAI Y

Preparing thermally conductive composite material based on three-dimensional vertically aligned graphene framework, comprises e.g. carrying hydrothermal reduction on graphene oxide films to form three-dimensional layered structure, drying, and performing heat treatment under argon atmosphere.

HU A, TANG Q, WANG X, LI C, CHEN X