国家/地区 日本（3）
IPC部 C（3） H（3）
IPC大类 C01（3） H01（3）
IPC小类 C01B（3）
IPC C01B032/21（3）
发明人 PAEK J S（3）
公开年 2021（3）
申请年 2020（3） 
专利权人 SHOWA DENKO .（3）

Composite carbon material useful in negative electrode active material for negative electrode in lithium-ion secondary battery, comprises carbon material and carbonaceous coating layer for coating surface.

ONO A, FUKUI T, KUROZUMI T, PAEK J S

Composite material used in the negative electrode material for lithium ion secondary batteries, comprises carbon material and metal oxide layer which coat or covers surface of carbon material.

TONEGAWA A, INOUE H, KONO D, PAEK J S

Composite material used for material for forming negative electrode of lithium-ion secondary battery, comprises carbon material, and metal oxide layer covering carbon material, at preset coverage, and scattered as island on carbon material.

AKIHISA T, HIROFUMI I, DAISUKE K, JINSEOK B, TONEGAWA A, INOUE H, KONO D, PAEK J S, BALK J, KOHNO D, BAIK J S, BAEK J