国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 C25B（4）
IPC B01J023/755（2） C25B011/091（2）
发明人 ZHANG Y（2）
公开年 2022（4）
申请年 2022（4）
专利权人

Metal colloid catalyst useful in electrolyzing water to produce hydrogen or preparing metal zinc-air battery, comprises metal colloid and carbon material carrier, where metal colloid is colloidal nanoparticle solution formed by mixing multi-metal solution and alkali solution.

YIN C, SONG X, LI X, LI Q, ZHANG Y

Electret base material useful in dynamic electret filter element of polyvinylidene fluoride composite graphene obtained by depositing graphene on a polymer substrate with good electrode performance,.

ZHOU S, ZHONG H, ZHONG X

Preparation method of graphene material dispersion liquid, involves removing low viscosity solvent from second dispersion obtained to obtain graphene material dispersing liquid.

DAI Q, SHEN J, LI H

Catalyst used for preparing beta-carotene from vitamin A triphenylphosphine salt by electrochemistry, is a graphene-supported metal ferrite and a metal oxide catalyst.

ZHANG T, SONG J, SHEN H, JIE J, WANG J, ZHANG Y