国家/地区 中国（5）
IPC部 C（5）
IPC大类 C22（5）
IPC小类 C22C（5）
IPC C22C019/03（5）
发明人
公开年 2022（2）
申请年
专利权人

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H

Preparing metal-based graphene composite material, comprises mixing graphene slurry and metal powder to form mixed slurry, and forming mixed slurry into metal-based graphene composite material by chemical vapor deposition in oxygen-free environment.

QIAN T, CAO H, SHEN H, LV X, MA Y

Method for preparing graphene metal composite material useful in field of alloy preparation for electrical, mechanical, and thermodynamic applications, comprises e.g. growing graphene on surface of metal material, heating, and applying pressure to metal material grown with graphene.

QU Y, TAN H, WANG W, SHEN D

Preparing oxygen anion emission needle by metallurgy process, comprises e.g. mixing graphene, iron and silver powder to obtain mixed metal powder, adding lubricant and molding agent, sintering and carrying out water vapor treatment.

GUO Z, SONG X, YAO D

Surface modification of lanthanum-magnesium-nickel-based hydrogen storage alloy for preparing electrode, involves pulverizing hydrogen storage alloy, sieving, mixing obtained alloy powder with graphene powder, and ball-milling.

HUANG H, WANG X, XIE W, YU W