国家/地区 美国（3） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 B（3）
IPC大类 B01（3） C01（3） H01（2）
IPC小类 B01J（3）
IPC C01B031/00（3）
发明人 SEO B（2）
公开年 2013（2）
申请年 2013（3）
专利权人 LG ELECTRONI.（2）

Carbon material used for e.g. lithium ion secondary battery, comprises columnar structure in which carbon compound having graphene skeleton is laminated, where the skeleton whose some of carbon atoms are substituted with nitrogen atoms.

NAITO K, YOSHINAGA N, MATAKE S, AKASAKA Y, MATEKE S, AKITA M

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

Manufacturing graphene used e.g. as base material for electronic circuits, by attaching support layer on graphene layer, removing catalyst metal layer, disposing substrate on graphene layer, and separating support layer from graphene layer.

MOON J, PARK W, JUNG M, RHO J, SEO B