国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7） C25（7）
IPC小类 C01B（7）
IPC C01B032/194（7）
发明人 YANG S（3）
公开年 2022（7）
申请年 2022（7）
专利权人 QUJING HUAJI.（3）

Preparing foamed nickel-supported graphene composite layered heterogeneous structure catalyst useful in electrolytic water hydrogen production, comprises e.g. adding ammonium tetrathiomolybdate to graphene oxide suspension, reacting, separating and purifying.

ZHAO W, LU W, FENG K, CHEN C, LUO Y, YU F, WANG J

Preparing graphene/nickel-cobalt phosphide film useful in self-supporting electrode material of electrolytic water, comprises obtaining natural graphite, concentrated sulfuric acid and potassium permanganate, carrying out solvothermal reaction and subjecting film to high temperature phosphating.

LI K, WU Q, JU A

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

Preparing graphene by exfoliating graphite-type material by confinement electrochemical method, comprises preparing mixed electrochemical stripping solution, wrapping confined metal, pre-stripping at constant voltage, filtering and washing exfoliated graphite material and freeze-drying.

LIU W, FU H, SUN Y, LIU Z, YIN J, HU L, SHI Z, GAO B

Preparing graphene, comprises mixing graphene oxide solution with reducing agent and reacting, adding chemically reduced graphene solution, electrochemically reducing graphene solution and reacting.

YANG S

Electrochemically preparing graphene used in e.g. graphene paper, involves mixing graphene oxide solution with reducing agent and reacting to obtain chemically reduced graphene solution, and introducing chemically reduced graphene solution into electrolytic cell.

YANG S

Preparing graphene used in a battery pack, a solar cell and photovoltaic cell, involves mixing graphene oxide solution with reduction agent and then reacting to obtain graphene solution of chemical reduction.

YANG S