国家/地区 中国（14） 美国（6） 世界知识产权组织（5）
IPC部 C（18）
IPC大类 C01（18） B82（4） B01（2）
H01（2）
IPC小类 C01B（18）
IPC C01B031/04（18）
发明人 ZHAO C（18）
公开年 2014（7） 2015（6） 2016（3）
申请年 2014（6）  2015（5）  2013（3）  2016（2） 
专利权人 SHANDONG YUH.（7） UNIV EAST CH.（6） ZHAO C（2）

Production of few-layer graphene powders used in e.g. transparent conductive film, involves mixing graphite with sodium nitrate, sulfuric acid, potassium permanganate, hydrogen peroxide, hydrazine hydrate, aqueous ammonia and coagulant.

CHEN X, XIAO S, WANG S, WANG Y, ZHAO C, DONG H, ZHANG B

Growing method of graphene film on insulating substrate used for electrical or electrochemical device comprises preparing oxidized aqueous graphene solution containing weak acid, adding insulating substrate, hydrothermal reacting and drying.

ZHAO C, WANG S, SHAO X, MA Y, ZHAO L, QIAN X

Preparation of graphene oxide sheet involves cooling concentrated sulfuric acid, adding successively graphite, potassium permanganate and sodium nitrate, heating, stirring, centrifuging and drying.

TAN G, XIA A, ZHAO C, REN H

Preparing porous graphene comprises taking organic material containing carbon-hydrogen-oxygen and inorganic salt, mixing organic material containing carbon-hydrogen-oxygen and inorganic salt to obtain mixture, and heating the mixture.

MIN Y, ZENG W, ZHAO C, YUAN C

Converting carbon dioxide into graphene useful in energy storage and electronics, comprises contacting metal with gaseous carbon dioxide, and irradiating surface of metal with laser beam to convert carbon dioxide into graphene.

ZHAO C, DONG J, HUANG Y, QIAN X

Graphene, useful in graphene hydrosol and graphene powder, prepared by subjecting graphite to electrochemical plugging layer peeling off, to obtain electrolyte, and dispersing in electrolyte electrochemical plugging layer peeling off.

CHEN Y, MIAO X, WANG Y, YOU W, ZHAO C, GU S

Synthesizing graphene oxide by oxidizing graphite powder using concentrated sulfuric acid and potassium permanganate, conducting low-power ultrasonic-assisted stripping reaction, adding hydrogen peroxide solution, and washing product.

TAN W, WU A, ZHOU C, ZHAO C, ZHOU W, SU Z, ZHOU T

Preparing graphene dispersion involves adding graphene and dispersing agent to solvent and mixing, evenly dispersing mixture in dispersing device, mixing mixture in electric mixer, adjusting temperature of cooling system to obtain product.

CHEN X, LI H, LI T, WANG Y, WANG Z, YI J, ZHAO C, DONG H

Preparation of graphene involves contacting metal and composition containing graphene oxide under conditions sufficient to reduce portion of graphene oxide to graphene.

ZHAO C, MIN S, DONG X, QIAN X

Producing patterned graphene comprises irradiating focal point on metal substrate surface with laser beam in the presence of carbon dioxide and moving the beam relative to surface so that focal point is displaced along the pattern.

ZHAO C, DONG J, DONG X, QIAN X