国家/地区 韩国（4）
IPC部 C（4） B（3）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B031/04（4）
发明人 CHOI J（4）
公开年 2017（2）
申请年
专利权人 SAMSUNG ELEC.（2）

Preparation of graphene dispersion used for preparing graphene-polymer composite, involves dispersing graphene oxide powder in solvent, preparing graphene oxide aqueous dispersion, and reducing graphene oxide aqueous dispersion.

NOH W, JUNG J E, LEE K, PARK K, CHOI J, KIM H, SHIM Y, NOH W S, PARK K M, CHOI J K, KIM H M, SHIM Y K

Sponge with multi-pored structure comprises graphene structure, which is formed inside pores and comprise multiples of micropores and which is located inside pores.

CHOI D, CHOI J, JEONG D, OH I, OH J H, SI D

Removing a carbonization catalyst from graphene sheet, involves contacting the carbonization catalyst with a salt solution, which is capable of oxidizing the carbonization catalyst.

CHOI J, HONG B H, KIM K S

Preparing a graphene shell, useful e.g. in hydrogen storage medium, comprises forming a graphitizing catalyst in a three-dimensional form, coating a polymer on graphitizing catalyst and heat-treating polymer coated on graphitizing catalyst.

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