国家/地区 中国（13）
IPC部 C（13）
IPC大类 C01（13）
IPC小类 C01B（13）
IPC C01B032/192（13）
发明人 ZHANG Y（13）
公开年 2021（4） 2016（2） 2017（2） 2022（2）
申请年 2016（3）  2021（3）  2022（3）  2020（2） 
专利权人 UNIV QINGDAO.（2）

Wave-absorbing component, obtained by mixing and curing graphene powder and thermal epoxy resin.

YU J, MA T, LU Q, ZHANG Y

Continuously producing graphene involves using two sections of tubular reactors for intercalation-micro oxidation reaction, mixing crystalline flake graphite with concentrated sulfuric acid in first section of tubular reactor, then adding potassium permanganate to perform secondary reaction.

WANG C, YIN J, GENG S, QIN H, YANG S, HAN M, ZHANG Y, LIU Y, YANG K

Producing graphene by gas-phase stripping method involves using flake graphite to carry out mixing reaction with concentrated sulfuric acid at low temperature, and collecting and washing solid powder with acid and water to obtain graphene product.

WANG C, YIN J, GENG S, QIN H, YANG S, HAN M, ZHANG Y, LIU Y, YANG K

Method for separating graphite flake layer, involves adding potassium permanganate aqueous solution or nitric acid into electrophoresis tank, putting graphite powder into anode region of tank, and introducing direct current to tank.

ZHANG Y

Method for preparing graphene film used in e.g. refrigerator, involves naturally cooling reduced graphene oxide film to obtain fluffy graphene film that is compacted and densified to obtain graphene film.

TANG J, LIN J, YANG W, DONG L, CHEN D, WANG Q, ZHANG Y, ZHU Y, JIANG H, ZHONG Q, KANG N, JIANG J, LIAO X

Optimized preparation of graphene comprises pre-oxidizing crystalline flake graphite, obtaining graphite interlayer compound through oxidation intercalation, realizing expansion coupling stripping of graphite interlayer compound.

GUO S, ZI F, ZHANG J, ZHANG Y, SHEN W, ZHU Y, ZHONG M, LIU H

Preparing graphene by stirring graphite and nitric acid, oxidizing to prepare graphite oxide suspension, dispersing graphite oxide powder solvent, reacting with sodium borohydride, and stirring graphene suspension and conductive additives.

LV W, YANG X, ZHANG Y, SUN J, XU W, LI S, YUAN Y, LV D, XU K, CHEN D

Preparing graphene oxide involves blending dilute hydrochloric acid with an anti-gelling agent to obtain washing liquid A, and washing the graphite oxide raw material with the washing liquid A to obtain primary purified graphite oxide.

QUAN Y, ZHANG Y, GUO L, MA H, CHEN Y

Graphene nanosheet, prepared by e.g. reacting graphene, sodium nitrate, and concentrated sulfuric acid to obtain flocculent graphene oxide precursor, ultrasonicating in deionized water to remove graphene oxide, and post processing.

JIA X, ZHANG Y, WANG B

Preparing multi-element doped three-dimensional porous graphene air gel comprises e.g. dispersing ultrasonic graphite oxide in water, admixing with ion liquid, freezing and drying, and calcining graphene oxide gel under inert gas atmosphere.

WANG L, XIAO F, XIAO J, ZHANG Y