国家/地区 美国（2）
IPC部 H（2）
IPC大类
IPC小类
IPC
发明人 PENG J（2）
公开年
申请年 2021（2） 
专利权人

Composite positive electrode collector for pole piece of secondary battery, has insulating layer whose surface is provided with protective layer, graphene metallization layer and conductive layer, where protective layer is composed of metal oxide.

PENG J, LI M, LIU X, HUANG Q, RYU S, HWANG C

Self-rotating graphene radiating device for direct-drive electro-hydraulic servo actuator, has shaft rod coaxially arranged with inner wall of shell, and graphene radiating layer coated on shell, inner and outer wall of outer end cover.

PENG J, LI S, ZHANG Y, YANG R