国家/地区 日本（4） 美国（4） 中国（3） 韩国（3） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B01（5） C01（5） B05（2）
B32（2） B82（2） H01（2）
IPC小类 B01J（5）
IPC C01B031/02（5）
发明人 CHOI J（3） CHOI J Y（3） SHIN H（3）
SHIN H J（3） YOON S（3） YOON S M（3）
IN Z（2）
公开年 2009（3）
申请年 2008（5）
专利权人 SAMSUNG ELEC.（3）

Platinum cluster used as highly active catalyst for electrode used for capacitor and fuel cell, comprises platinum particles with particle diameter of below specified value supported by carbon material containing graphene.

AKITA T, HOMMA I, KAYAMA M, NAKAMURA J, OKAZAKI K, YU E J, HONMA I

Preparing graphene shell comprises performing first heat treatment on a mixture of organic solvent and graphitization catalyst to carburize the catalyst, and forming the shells on surfaces of carburized catalyst by second heat treatment.

CHOI J, SHIN H, YOON S, IN Z, CHOI J Y, SHIN H J, YOON S M

Preparing graphene sheet, useful in e.g. electrical device, comprises forming film comprising graphitizing catalyst, heat-treating gaseous carbon source in presence of the catalyst to form graphene, and cooling graphene to form sheet.

CHOI J, SHIN H, YOON S, CHOI J Y, SHIN H J, YOON S M, IN Z

Graphene sheet preparation e.g. for hydrogen storage medium, comprises disposing polymer on sheet form graphitizing catalyst, and heat-treating polymer on graphitizing catalyst in inert or reductive atmosphere.

CHOI J, SHIN H, YOON S, CHOI J Y, SHIN H J, YOON S M, YEONG C J, JIN S H, MI Y S

Nanocarbon aggregate used for manufacturing catalyst, adsorption agent, separating medium, ink and toner, contains graphite aggregate, and has graphene sheet having petal shape.

YUGE R, YUDASAKA M, IIJIMA S