国家/地区 韩国（4）
IPC部 B（2） C（2） H（2）
IPC大类 H01（2）
IPC小类
IPC
发明人 LEE J K（4）
公开年 2014（4）
申请年 2012（2） 
专利权人

Aluminum alloy composition used for forming local strengthening layer of piston, is obtained by adding carbon nanotubes or graphene to aluminum alloy containing aluminum as main component and silicon, in preset weight ratio.

YANG J K, RYU K H, LEE J K, KIM C K

Nano particle-graphene-carbon composite material for electrode of secondary battery that is utilized in e.g. power storage system, comprises graphene dispersed in inner side of metal nano particle.

LEE J K, CHAE C J, PARK H Y

Metal substrate, useful in organic LEDs, comprises a graphene oxide composite layer formed on a surface of an iron-nickel alloy substrate.

KIM J Y, SON C Y, LEE J K, CHOI J H, KIM B S

Graphene carbon fiber composition for fabricating high-performance carbon fiber comprises a composition for fabricating carbon fiber; and graphene powder.

LEE J K, CHOI W K