国家/地区 韩国（3）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/198（2） C01B032/23（2）
发明人 LEE S S（3）
公开年 2019（3）
申请年 2018（2） 
专利权人 KOREA RES IN.（3）

Method for manufacturing sensing device for gas sensor, involves preparing graphene oxide into which functional group is introduced by nucleophilic substitution by mixing substituent, and forming graphene oxide coating layer onto fiber.

LEE S S, AN K, LIM J, MYUNG S, SEOG S, KANG M A

Manufacture of graphene oxide used for e.g. producing reduced graphene oxide used in conductive ink composition, involves performing heat treatment by mixing graphite and metal carbonate.

LEE S S, AN K, LIM J, MYUNG S, SONG W, YOON Y, SEOG S

Producing expanded graphite used for producing high purity graphene, comprises mixing graphite with acid to perform acid treatment, introducing expansion agent including sulfur oxoacid and metal halide, and expanding by applying microwaves.

LEE S S, AN K, LIM J, MYUNG S, SEOG S, LEE Y B