国家/地区 中国（4） 美国（3） 世界知识产权组织（3）
IPC部 B（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B031/04（6）
发明人 ZHAO C（6）
公开年 2015（3）
申请年
专利权人 UNIV EAST CH.（3）

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

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

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

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

Making metal oxide-graphene composite, comprises providing composition comprising graphene oxide and elemental metal dispersed in liquid medium, and heating composition in sealed chamber at temperature above nominal boiling point of medium.

ZHAO C

Preparing graphene used in the field of electrochemistry, comprises reacting graphite oxide solution with metal liquid ammonia, purifying, and separating to obtain product.

FENG J, WU Z, ZHANG J, ZHANG Z, ZHAO C