国家/地区 中国（5）
IPC部 C（5）
IPC大类 C22（5）
IPC小类 C22B（3） C22C（3） C01B（2）
IPC
发明人 ZHANG J（5）
公开年 2023（5）
申请年 2022（3）  2023（2） 
专利权人

Recycling nickel cobalt catalyst comprises soaking waste catalyst with nickel and cobalt in sulfuric acid, adding chitosan-graphene porous adsorption material, adsorbing amine, heating, adsorbing nickel-cobalt ions, replacing cobalt ions adsorbed by nickel ions, and separating nickel-cobalt ions.

ZHANG J, XU S, YANG Z, ZHOU S, XU Y

Preparing graphene enhanced valve comprises e.g. determining main body material and production type of valve, selecting raw materials, smelting, primary and repeated refining, mold casting, sand blasting, cleaning, grinding, heating, annealing and allowing to stand.

DU J, SONG T, REN H, ZHANG J, YUE Y, YE Z

Preparing composite structure hydrophilic membrane electrode with composite structure comprises e.g. mixing lithium carbonate and titanium dioxide, calcining, modifying, mixing tannic acid modified active electrode material with solvent, coating on titanium plate, and drying.

DUAN X, ZHANG J, XIANG X

Heat treatment method for improving breaking power of mixing reinforced aluminum-based composite material of graphene and silicon carbide, involves sealing and storing and filling argon gas as protective gas into heat treatment furnace.

GENG L, ZHU X, JIA Z, QIAN M, ZHANG J, ZHANG X

Graphene absorbing composite material i.e. wave absorbing material, for use in electronic technologies e.g. mobile devices, has nickel and/or cobalt formed as square-shaped structure and uniformly stacked on graphene sheet layer.

CHEN C, WANG X, CHEN G, FENG Y, CHEN Q, WANG Y, SU Y, LU S, ZHANG J, SUN Y, ZHANG P, HOU M, CHENG S, CHEN A, DU Z, MA Y