国家/地区 韩国（6）
IPC部 C（6）
IPC大类 C01（6） H01（4） B01（2）
IPC小类 C01B（6）
IPC C01B031/04（6） H01G011/32（2）
发明人 CHOI J H（6）
公开年 2016（4） 2017（2）
申请年 2015（6）
专利权人 KIGAM KOREA .（5）

Platinum-graphene nanocomposite comprises platinum nanoparticles formed on graphene, and has specific surface area and catalytic activity which is ratio of maximum current values during oxidation and reduction, both above preset value.

CHANG H K, JANG H D, CHOI J H, ROH K, KIL D S, KIM H S, BAE I, SEO J

Manufacturing graphene or platinum-gold nanocomposite used in three dimensional nano composite for direct methanol fuel cell, involves preparing graphene oxide colloidal solution, and platinum-gold nanocomposite colloidal solution.

JANG H D, CHANG H K, CHOI J H, KIL D S, DONG J H, GWON J H, HYEOK C J, SEOP G D

Manufacture of graphene for graphene sheet, involves preparing dispersion containing graphene oxide, adding amine to prepare solution containing graphene oxide, in which functional groups are reduced, and reducing.

LEE S M, CHOI J H, LEE S B

Manufacturing silicon-carbon-graphene composite from silicon sludge used for manufacturing secondary battery cathode material, involves processing colloidal solution containing silicone sludge, and mixing carbon precursor and graphene oxide.

JANG H D, CHANG H K, CHOI J H, KIL D S

Producing three-dimensional graphene composite, comprises e.g. preparing graphene oxide colloid solution, producing three-dimensional graphene oxide by spray-drying solution, and reducing by heat-treating three-dimensional graphene oxide.

CHOI J H, JANG H D, CHANG H K, ROH K, KIL D S, KIM H S, BAE I, SEO J

Manufacturing of iron oxide-graphene nanocomposite of supercapacitor, involves mixing iron oxide precursor, graphene oxide, and ferric chloride with solvent to obtain mixed colloidal solution.

JANG H D, CHANG H K, CHOI J H, ROH K, KIL D S, KIM H S, BAE I, SEO J