国家/地区 中国（3）
IPC部 B（3） C（3） H（2）
IPC大类 B22（3）
IPC小类 B22D（3）
IPC C23C014/16（2） C23C014/18（2） C23C014/35（2）
发明人
公开年 2023（3）
申请年 2023（2） 
专利权人

Preparation of graphene of modified magnesium alloy wheel hub for automobile, involves preparing graphene-modified magnesium alloy solution, low pressure casting, aging, machining, polishing, grinding, and coating.

GUO X, DU H, ZHANG Z, YU X

Lithium-carbon composite belt, comprises conductive substrate, metal lithium transition layer on at least one side of substrate, and lithium-carbon composite material layer positioned outside metal transition layer.

WANG W, SUN Z, HUAN Q, MU H, CHEN Q, KONG D

Normally-closed gallium nitride integrated device of large threshold voltage used in mobile phone, has sub-gate composed of gate layer connected through graphene film electrode to form series-parallel mixed double high frequency characteristics high electron mobility transistor integrated structure.

LUO M, CHENG T, WANG X, ZU Y, YU C