国家/地区 中国（14）
IPC部 C（14）
IPC大类 C01（14） H01（2）
IPC小类 C01B（14）
IPC C01B032/194（5） C01B032/184（4） C01B032/05（2）
C01B032/186（2）
发明人 LIU J（14）
公开年 2019（14）
申请年 2019（13） 
专利权人 LIU J（2）

Preparing nitrogen-doped graphene quantum dot in preparing a kit for detecting iron ions or cytochrome C, involves using nitrogen-doped graphene quantum dots by hydrothermal reaction of an aqueous solution containing aminophosphonium.

LUO T, TANG W, CHEN J, LIU J, ZHAO C

Preparation of graphene film under pressure by applying pressure on graphene oxide, placing to high-frequency induction graphitization furnace, vacuumizing, passing through nitrogen protective gas while graphitizing, and removing pressure.

LIU J, ZHANG M, LU X

Preparation of graphene microporous foam used for electromagnetic shielding field by performing heat treatment of graphene under inert atmosphere, adding polyurethane pellets, placing under air for micro-phase separation, and carbonizing.

LI Y, LIU J, WANG S, YU P, DING Y

Preparing self-assembling graphene powder useful in preparing graphene composite material, comprises dispersing graphene oxide in water, adding reducing agent and nitrogen or sulfur substance, mixing, adjusting pH and reacting.

CHEN L, LIU J, LU F, SUN M, CHEN X

Nitrogen-phosphorus-sulfur doped porous graphene oxide material used as electrode material of supercapacitor, comprises graphene oxide, hydrogen peroxide and doping agent containing three elements of nitrogen, phosphorus and sulfur.

CHEN X, LIU J, ZHU Y, CHEN H

Graphene composite conductive slurry used as conductive agent for positive electrode and negative electrode materials, comprises graphene/carbon nanotubes mixture, dispersant and solvent.

WANG Y, JI C, LIU J

Preparing graphene powder by redox method, involves heating graphene oxide solution, slowly adding hydrazine hydrate, refluxing in water bath, adding water for centrifugal separation, washing and drying to obtain reduced graphene powder.

LI A, YU M, REN W, LIU J, ZHANG F, GAO R, BAO T

Preparing high-performance foamed carbon involves adding functionalized graphene to purified fluid catalytic cracking slurry to obtain graphene-modified fluid catalytic cracking slurry.

HAN F, YE C, LIU J, ZHANG F, ZHU S

Graphene powder cooling device comprises heat dissipation inner container, main body and industrial control computer, where the heat dissipation inner container is set in the main body and integrally formed with the main body.

LIU J, LIU S

Preparing superhydrophobic silicon dioxide comprises mixing natural quartz sand powder and graphene powder, sintering, acid washing, oxidizing, mixing with natural quartz sand powder, and sintering under oxidizing or reducing atmosphere.

LIU J, CHEN C, CHEN W, YANG P, OUYANG X, SUN X, WU Q