国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC H01J001/304（6）
发明人 LI Z（2）
公开年 2020（2）
申请年 2020（2） 
专利权人

Preparation method of graphene-based composite material involves using mixed gas of argon gas and hydrogen as carrier gas, and obtaining graphene-based composite material by chemical vapor deposition, where graphene material grows parallel to substrate in composite material.

WEI M, CHEN L, GUO X, ZHAO Y, LI X, ZENG F, TANG S, TANG Z

Surface multi-fold nitrogen-doped tubular graphene used for field emission cathode material which has tubular structure and specified quantity range of pipe diameter and is formed by staggered stacking of nitrogen-doped graphene sheets.

SONG G, LI Z, ZHANG J, LUO S, MENG A

Field emission cathode based on graphene/metamaterial composite nanostructures used in the field of high brightness and coherent electron sources comprises e.g. base material on patterned vertical carbon nanotube array and graphene material.

XU J, SHI Y, ZHANG X

Porous silicon composite clusters used in carbon composite for electrode, comprise porous core comprising silicon secondary particles comprising aggregates of silicon primary particles comprising silicon, silicon oxide and graphene.

SON I, LEE J, PARK S, HAN S, SON I H, LEE J M, PARK S Y, LEE J H, HAN S S, LI Z

Epitaxially growing cold cathode field emitting material, i.e. carbon film, on silicon carbide substrate by controlling density and length-width ratio of graphene strip through pressure and temperature in growth process.

WANG G, WANG W, JIA Y, CHEN X, GUO L, LI K, HUANG Q, PENG T, LIN J

Carbon fiber for field electron emitter, includes edges of hexagonal carbon layers exposed to large ring end of graphene layers, to function as electron emission tips.

YANAGISAWA T, ENDO M