国家/地区 中国（4）
IPC部 C（4）
IPC大类 C25（4）
IPC小类 C25B（4）
IPC C25B011/091（4）
发明人
公开年 2023（4）
申请年 2023（4）
专利权人

Preparing glycolic acid by electrocatalytic hydrogenation of oxalic acid comprises electrolyzing aqueous electrolyte containing oxalic acid in catalyst-containing electrode, evaporating water in electrolyte to concentrate glycolic acid content, precipitating glycolic acid crystals, filtering, drying.

LI S, GONG M

Method for preparing graphene-based composite binary metal sulfide electro catalyst useful in electrocatalytic hydrogen evolution reaction, comprises e.g. adding ferrous chloride, ammonium heptamolybdate and thin layer graphene sheet into deionized water, and dispersing.

ZHU J, WANG C, ZHU D, BI H

Preparation method of graphene-coated high-entropy oxide nanoparticle catalyst used in electrolytic water reaction, involves mixing mesoporous carbon and mixed metal salt solution and then drying to obtain mixture of the metal salt and mesoporous carbon.

YANG Y, CHEN J, FENG B, YAO Y

Preparing graphene-activated metal oxygen evolution electrocatalyst for preparing hydrogen, by using graphite-based material as electrode in two-electrode system, and solution containing sulfate ions as electrolyte, applying voltage, freeze-drying graphene, drip-coating on metal electrode and drying.

HOU Y, LIU Z