国家/地区 韩国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 KIM S K（2）
公开年 2019（2）
申请年
专利权人

Active material for positive electrode for secondary battery e.g. lithium secondary battery, comprises core comprising lithium-metal-oxide, and coating layer comprising carbon-based particles including graphene sheet structure, and oxygen.

KIM S K, JEON H L, KIM T G, JUNG W M, LEE S W, KON K T, LEE S O, JIN S, QUAN H, JIN T, ZHENG W, LEE S

Pipeline module for ultra-high purity gas storage, has smaller receiving space than first gas storage tank while maintaining ultrapure state having concentration of gaseous state and graphene coating layer is coated on surface of pipeline.

LIM H, HYUNG J, CHAE H, HONG E, CHA D, CHOI Y, LEE Y, JEONG U, SEO W, PARK M, HYEOCK L M, JUNG E, SUNG K J, JEON H, JANG I, LEE S J, KIM D, KIM S K, SONG J, LEE W J, CHOI S K, KO M, YONG L, KIM J H, CHOI Y S