国家/地区 美国（5） 世界知识产权组织（3）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC C01B031/00（5）
发明人
公开年 2011（5）
申请年 2009（2）  2010（2） 
专利权人

Making graphene involves making graphite oxide substrate by exfoliating graphene oxide sheet in aqueous solution, neutralizing and centrifuging the solution, and evaporating/spin coating the solution on material; and exposing to laser beam.

SOKOLOV D A, SHEPPERD K R, ORLANDO T M

Producing graphene, useful in spintronic device, comprises spacing source of silicon from silicon carbide substrate in pressure vessel, reducing pressure to vacuum and heating silicon source to evaporate silicon and heating the substrate.

LANZARA A, SCHMID A K, YU X, HWANG C, KOHL A, JOZWIAK C M

Composition useful for preparing reduced graphene oxide material used in ultracapacitor, comprises a suspension of a graphite material or a graphene material in a non-aqueous liquid.

RUOFF R S, STOLLER M D, ZHU Y

Manufacture of nano graphene-based material used for e.g. rechargeable batteries, involves mixing graphite sulfuric slurry and potassium permanganate sulfuric solution and then adding aqueous hydrogen peroxide solution to mixture.

KWON Y J, KIM J H, GU J W, PARK W H, KIM S B, SHIN C M, JI B K, KWON D H, PARK S Y, JI B, GU J, KWON Y, PARK W, KWON D, SHIN C

Production of pristine nano graphene platelets by dispersing pristine graphitic material particles comprising graphite crystallite in liquid medium having no surfactant, and exposing suspension to direct ultrasonication.

ZHAMU A, JANG B Z