国家/地区 中国（5）
IPC部 C（5）
IPC大类 C22（5） B01（2） C01（2）
IPC小类 C22B（5）
IPC C22B007/00（3） C22B026/12（2）
发明人 ZHANG J（5）
公开年 2023（3）
申请年 2022（2）  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

Recycling processing of waste lead paste of lead-acid battery applied to e.g. automobile application, involves uniformly coating obtained slurry on negative electrode in inert atmosphere, carrying out electrolytic reaction with solution as electrolyte solution, and obtaining metal lead.

RAO Y, FU F, HUANG Y, WU L, ZHOU S, ZHANG J, LI J, YU J, CAO J

Recovering lithium from graphite negative electrodes of waste lithium ion batteries and preparing porous graphene involves disassembling waste lithium ion battery to obtain graphite negative electrode sheet.

XU J, ZHANG J, LEI Y, XIAO F, WU Z