国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C22C009/00（4）
发明人 LIU Y（4）
公开年 2021（2）
申请年 2020（3） 
专利权人 UNIV HENAN S.（2）

Preparation of graphene/metal-based composite material based on graphene defect control involves ultrasonically dispersing graphene powder with different defects, at the same time, metal powder by stirring ball milling.

LIU Y, ZOU B, ZHANG G, WANG G, LI Z, OUYANG H

Multi-order load-type graphene oxide hybrid copper-chromium electrical contact material comprises graphene oxide, nano-cerium dioxide particles loaded with chromium on surface of graphene oxide, and copper and impurities.

ZHANG Y, ZHOU M, AN J, LI L, TIAN B, SONG K, WAN X, WANG Z, JIA Y, LI X, LIU Y, FU M, ZHANG X, WANG B, GENG Y, BAN Y, ZHANG P, LIANG S

Preparing nano-graphene oxide in-situ strengthened copper-chromium electrical contact material comprises e.g. preparing graphene oxide nanosheets using graphite powder, adding sulfuric acid, sodium nitrate and graphite into flask.

ZHANG Y, ZHOU M, AN J, LI L, TIAN B, SONG K, WAN X, WANG Z, JIA Y, LI X, LIU Y, FU M, ZHANG X, WANG B, GENG Y, BAN Y, ZHANG P, LIANG S

Preparing graphene powder used as reinforcement material in metal composite materials comprises dispersing graphite powder in solvent, cleaning, freeze-drying, subjecting to intercalation heat treatment, ball milling and peeling.

DONG L, LI L, LIU Y, LU J, HUO W, ZHANG W, ZHANG Y