国家/地区 韩国（3） 世界知识产权组织（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01M（2）
IPC H01M004/134（2） H01M010/052（2）
发明人 YOO J（3）
公开年
申请年 2021（3）
专利权人

Production of graphene oxide involves mixing graphite with strong acid, mixing with strong oxidizing agent, converting obtained exfoliated graphite oxide into graphene oxide by applying heat, removing residual materials, washing with water, and pulverizing into particles by vacuum-freeze-drying.

SHIN T, HWANG G B, SHIN J, YOO J, SHIN T H, SHIN J H, YOO J H

Functional aramid membrane for use in secondary battery, comprises a carbon material that is bonded to the aramide membrane layer, where carbon material is selected from graphene, reduced graphene oxide, carbon black, graphite and activated carbon.

KIM Y S, GONG Y J, YOO J, PARK S Y

Secondary battery e.g. lithium secondary battery used as power source, consists of cathode having cathode active material layer, several anodes having anode comprising silicon-based active material and anode comprising carbon-based active material in specified ratio, separator, and electrolyte.

KIM Y J, YOO J W, JEA K Y, YOO J, JIN R