国家/地区 韩国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01J019/18（3）
发明人
公开年 2013（3）
申请年
专利权人

Making graphene powder useful in carbon-based electrical devices involves preparing graphene solution in which graphene particles are dispersed in a solvent; aggregating the particles; separating aggregated particles from solvent and drying.

LEE S, LEE D, SEO B, BYUN N

Preparing graphene oxide that is useful in e.g. transistor, comprises e.g. diluting washed graphite oxide with excess of deionized water and then filtrating using filter, and vacuum drying filtered graphite oxide and heating.

PARK H, KIM S H

Graphene producing device, comprises fixing unit in which graphite catalyst in form of roll is wound in rolled condition with predetermined distance away from locking position, where heating unit heats graphite catalyst during annealing.

DAI K C