国家/地区 中国（10） 世界知识产权组织（3）
IPC部 C（10） H（4） B（2）
IPC大类 C01（10） H01（4） C09（2）
IPC小类 C01B（10）
IPC C01B032/19（10）
发明人 LI C（10）
公开年 2021（4） 2022（3）
申请年 2021（3）  2022（3）  2020（2） 
专利权人 GUANGDONG BR.（2） GUANGDONG BR.（2） HUNAN BRUNP .（2）

Preparing graphene/ZIF-7 composite gel comprises preparing graphene gel by ultrasonically dispersing graphene oxide solid powder in distilled water, dissolving L-ascorbic acid and reacting to form columnar graphene gel, exchanging the solvent with dimethylformamide and immersing the graphene gel.

LI C, HE N, QIAO Y

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 few layers of graphene by stripping soot particles by friction induction used as base lubricating oil in lubricating additive, involves taking biodiesel mixed fuel soot as raw material, dispersing in deionized water, and processing under condition of ball-disc reciprocating friction.

WANG S, WANG N, WANG X, XU X, LI C

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

Method for preparing graphene by using waste graphite of negative electrode of lithium battery, involves heating electrolyte in electrolytic cell to melt and keep warm, and respectively immersing anode and cathode in electrolyte.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C

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

Preparing graphene by mechanical stripping, comprises dispersing graphite raw material in foaming agent aqueous solution to obtain graphite pre-dispersion liquid, grinding, washing with water, and centrifuging and grading.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C, LIN QIAN, XU JIANFENG, WU XIAOFENG, WANG YUAN, RUAN DINGSHAN, LI CHANGDONG

Graphene multi-stage stripping device, has cavity that is respectively provided in communication with inlet or outlet, and cutting chamber that is connected with cavity of corresponding side through feed port.

LIU Z, QI X, MA Y, CHEN S, LI C, LIU J, ZHAO J

Molten salt strategy high performance graphene preparation method comprises immersing mixed metal ion solution with dry agaric, drying, weighing impregnated agaric and mixed metal salt, stripping, washing and drying, and separating.

YANG Z, LI C, SUN C, CHEN D

Preparing porous graphene activated carbon material, comprises e.g. treating biomass material using oxidizing agent and weak acid or its salt to obtain intermediate product, and pyrolyzing the intermediate product at high temperature.

LI C, LU S, JIN M