国家/地区 中国（44） 世界知识产权组织（9） 韩国（6） 美国（6） 日本（5） 欧洲专利局（EPO）（4） 印度（4） 加拿大（2）
IPC部 C（55）
IPC大类 C01（55）
IPC小类 C01B（55）
IPC C01B032/192（55）
发明人 ZHANG J（6） QU Y（5） YANG Y（5）
LIU Z（3） WANG X（3） CAO Y（2）
CHEN D（2） CHEN H（2） GAO J（2）
HUANG L（2） LI C（2） LI H（2）
LI N（2） LI S（2） SHARMA K（2）
公开年 2021（28） 2020（22） 2022（5）
申请年 2020（55）
专利权人 QU Y（2） SHENZHEN ZHA.（2） UNIV GLA MAT.（2） UNIV QINGDAO.（2）

Preparing sulfur-oxygen co-doped graphene involves placing graphite oxide and grinding balls into grinding tank, and vacuumizing grinding tank after sealing, and installing grinding tank on planetary ball mill for grinding to obtain sulfur-oxygen co-doped graphene.

GAO H, WU S, JIA Y, WANG C

Sheet-type composite material used for slurry, comprises preset amount of single-layer structure sheet-type graphene having preset sheet length and width, multi-layer structure sheet-type graphene having preset sheet length and width, and oxide-based solid electrolyte particles.

CHO D, KUBOTA M, KANAMURA K, ABE H

Making reduced graphene oxide from Kish graphite comprises provision of Kish graphite, intercalation of graphite with persulfate salt and acid at room temperature, and expansion of intercalated Kish graphite at room temperature.

VU T T, ARENAS VIVO A, NORIEGA PEREZ D, SUAREZ SANCHEZ R, ARENAS V A, NORIEGA P D, SUAREZ S R, VU T, BIVOANA A, NORIEGAPEREZ D

Large-scale preparation of graphene, comprises adding concentrated acid and oxidant into graphite, cooling mixed solution, adding hydrogen peroxide for removing unreacted oxidant, filtering intercalated graphite solution, acid washing filter cake using diluting hydrochloric acid and expanding.

ZHENG T, ZHANG M, MAO O, YE Z, LIU D

Preparing graphene pyrrole aerogel used in seawater desalination, involves preparing graphene oxide, adding reducing agent in graphene oxide dispersion liquid, stirring solution, placing in oven, and obtaining reduced graphene oxide hydrogel by hydrothermal reaction.

XU F, CAO Y

Preparation of low-defect graphene used for e.g. sensor, involves adding flake graphite to reactor filled with vitriol oil, adding potassium permanganate powder, reacting, directly adding hydrogen peroxide solution, stirring, and exfoliating obtained expanded graphite oxide at high temperature.

WANG S, CHEN H

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Preparing selective catalytic reduction denitration catalyst comprises e.g. dissolving neutralized slag by rare earth oxalic acid wastewater by sulfuric acid, depositing, converting, and adding concentrated sulfuric acid.

TONG Z, WANG F, ZHAO Z, WANG W, WANG Y, WANG S

Nano silicon-graphene micro ball composite anode material for secondary battery comprises crystalline graphene having two-dimensional structure and nano-silicon particles and composite powder formed by bonding nano-silicon particles.

JEONG S, YANG S, LEE G, KIM B, RYUJIHYUN, LEE H, KIM I, JUNG S Y

Slurry with medium and small diameters useful for preparing graphene oxide film, comprising graphene oxide and water prepared by dispersing graphene oxide in water or crushing medium-sized graphene oxide dispersed in water.

TANG R, WU Y, GE M, ZHANG J, GENG B, QU Y