国家/地区 中国（9） 世界知识产权组织（5） 欧洲专利局（EPO）（4） 美国（4） 澳大利亚（2） 加拿大（2） 印度（2） 日本（2） 韩国（2）
IPC部 C（11）
IPC大类 C01（11） G01（9） B82（4）
H01（4） B01（3） C09（2）
C25（2）
IPC小类 C01B（11）
IPC C01B032/19（11）
发明人 WANG F（2）
公开年 2021（6） 2020（5）
申请年 2020（11）
专利权人

Manufacture of graphene nanosheets used for optoelectronic device, involves stirring mixture containing distilled water and paper waste, filtering, soaking obtained residue in mixture of methanol, ethanol and distilled water, heating, pyrolyzing, ball-milling obtained amorphous carbon and pyrolyzing.

PANDEY S, KARAKOTI M, DHALI S, TEWARI C, SAHOO N G

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

Producing graphene sensor element used for analyzing gas sample, by forming graphene layer on growth substrate, applying fluoropolymer coating layer, removing substrate, transferring onto substrate, and removing fluoropolymer coating layer.

SHERWOOD G J, NELSON J T, SU Q, BUHLMANN P P J, ZHEN X, KOESTER S J

Exfoliating graphene flakes from graphite sample by compressing a graphite sample in an electrochemical reactor, and applying a voltage between the graphite sample and an electrode in the electrochemical cell.

ROSCHER S

Preparation of high conductive and high stability flexible graphene film electrode used e.g. in battery involves preparing graphene oxide gel, coating, drying, peeling, high temperature processing, carving, and connecting with copper foil.

HE D, JIN H, WANG Z

Method of monitoring production of material in liquid dispersion in real time involves supplying dispersion to fluid gap between light-transmissive layer and layer having reflective surface, illuminating and determining concentration.

PETIT C, MATAR O, STAFFORD J

Preparing nitrogen-doped three-dimensional porous graphene-based electrode material comprises e.g. ultrasonically mixing graphene oxide solution and hydrogen peroxide solution, and placing it in reaction kettle for reaction.

YANG Y, ZHANG Y, CHEN Z, ZHANG L, WANG Q

Preparing pressure sensor, by adding graphene to cellulose-lithium bromide solution, adding additive, dripping graphene-cellulose-lithium bromide solution into coagulation bath, coagulating and pouring polymer substrate into substrate mold.

LIU L, WANG F, LI Z, YAO J

Preparation method of graphene and zinc selenide-cadmium selenide core-shell microsphere complex nano material useful in light control fields e.g. film-locked pulse lasers, comprises e.g. adding deionized water and heating the reaction.

ZHU B, WANG F, LI P, GU Y

Flake graphite used in electrode material, comprises graphene or laminate of graphene sheets.

FUKUI H, NAKASUGA A, TOYODA M