国家/地区 韩国（3）
IPC部 H（3）
IPC大类 H01（3）
IPC小类 H01M（3）
IPC H01M004/36（2） H01M004/62（2） H01M010/052（2）
发明人 KIM J M（3）
公开年 2021（2）
申请年 2020（2） 
专利权人 KOREA INST SCI TECHNOLOGY（3）

Negative electrode active material used for binder-free electrochemical cell e.g. lithium-ion secondary battery, is composite in which graphene quantum dots are bonded to surface of metal oxide having microspherical structure.

YANG C M, KIM J M, JANG W, KIM J H, RYU J S, LEE M W

Active material used for forming positive electrode for lithium secondary battery, comprises excess lithium transition metal oxide, and spinel layer formed on surface of excess lithium transition metal oxide.

YOUNG L S, KIM J M, KIM S H, PARK J H, MI C E, KIM H S, CHANG W, CHUNG K Y

Preparation of metal nanoparticle-carbon composite used in catalyst for fuel cell electrode, involves heating mixed solution comprising thiometalate precursor and carbon support to form thiometalate-carbon complex, and heating complex.

SUNG S, CHOI W, KIM J, KIM J M