国家/地区 美国（3）
IPC部 H（3） C（2）
IPC大类 H01（3）
IPC小类 H01L（2）
IPC
发明人 KIM J M（3）
公开年 2021（2）
申请年 2020（2） 
专利权人

Recovering lithium precursor by preparing cathode active material mixture containing lithium composite oxide, forming pre-precursor mixture including lithium oxide by reacting cathode active material mixture and separating by washing.

HONG S J, KIM J M, SON S R, HA D W, HONGSEOKJOON, KIM J, SOHN S, HE D, SUN C, HONG X

Forming opening using mask involves forming mask on feature layer, forming first opening in mask to expose portion of feature layer, forming carbon layer on mask and removing portions of carbon layer and exposed portion of feature layer.

LING M, KWON T, KIM J M, YING C C

Solar cell, has doped graphene layer formed on silicon quantum dot layer, and encapsulation layer formed on doped graphene layer and encapsulating doped graphene layer, where electrodes formed on upper and lower parts of hybrid structure.

CHOI S H, KIM S, KIM J M, SUK H C, SUNG K, JONG M K, HO C S, MIN K J