国家/地区 中国（45） 世界知识产权组织（30） 韩国（15） 美国（13） 日本（9） 台湾（8） 德国（4） 欧洲专利局（EPO）（3） 印度（3） 加拿大（2） 法国（2）
IPC部 C（106） H（51） B（26）
G（12） A（8） F（6）
D（2）
IPC大类 C01（106）
IPC小类 C01B（106）
IPC C01B032/182（106）
发明人 LI X（4） LIU J（4） WANG J（4）
KUMAR SHARMA A（3） LI C（3） LIU Y（3）
VIVEK SINGHAL A（3） ZHANG Y（3） ZHOU F（3）
BARTELS D（2） CHEN J（2） DASH P S（2）
FENG Y（2） GHORAI S（2） HSIEH Y（2）
公开年 2020（56） 2019（25） 2021（25）
申请年 2019（106）
专利权人 LOG 9 MATERI.（3） BOSCH GMBH R.（2） CALLAWAY GOL.（2） CAS DALIAN C.（2）
CONTINENTAL .（2） GUIZHOU MING.（2） KOREA ADVANC.（2） LG DISPLAY C.（2）
TATA STEEL L.（2） UNIV CALCUTT.（2） UNIV SEOUL N.（2） UNIV SUNGKYU.（2）

System and realizing band gap opening in graphene, used to induce band gap in bilayer graphene, involves e.g. cleaning monolayer of graphene sheet on copper foil and cutting, stacking two graphene sheets together, and rolling stacked sheets.

KUMAR B

Recycling graphite cathode of lithium ion battery to regenerate graphene comprises e.g. taking out graphite cathode of lithium ion battery, neutralizing graphite dispersion solution, and performing hydrolysis and solid-liquid separation.

MAO O, LIU D, WANG Y, ZHONG G, ZHANG Y, ZHANG M, ZHENG T

Composite graphene conductive agent used for preparing conductive slurry of lithium batteries, comprises carbon black, carbon nanotubes, and graphene.

HSU C L, LIN P C, LIN P

Preparation of thermosetting composite material by mixing graphite oxide and urea aqueous solution, ultrasonically vibrating, adding nitric acid to form urea nitrate salts, filtering, drying, mixing with epoxy resin, heating, and hardening.

KUAN H, CHUNG M, MA J, MENG Q

Electrical conductor useful in electrical conductor of electrical machine, comprises material having doped graphene flakes to increase electrical conductivity of electrical conductor, and are deposited on surface of undoped graphene flakes.

KOEHNE M

Ternary composite material for ammonia gas sensing, comprises nano-graphene strip, nano-metal oxide and conductive polymer, where surface of nano-graphene strip is coated with nano-metal oxide.

WU T, XU L, HSIEH C H

Preparing electrode material useful for batteries, comprises mixing carbon material, graphene material, binder and silicon material, and sintering precursor for converting carbon material into graphite carbon material with sheet structure.

HAO K, WANG W, WANG J, CHEN Y, YUAN W

Display panel used for display device comprises a substrate, light-emitting device including electrode and light-emitting layer, protective layer, graphene layer, pressure-sensitive adhesive layer and polymer film.

PARK J

Display panel of display device, has pressure-sensitive adhesive layer that is positioned on graphene layer and has pressure-sensitive adhesive, and polymer film is positioned on pressure-sensitive adhesive layer and has elastomer.

PARK J

Formation of diode for electronic application, involves providing graphene layer structures on substrates, treating structures with oxidant to form graphene oxide surface, and aligning structure against graphene oxide surface of structure.

WALLIS R, WALLACE R