Carbon-embedded NiO-coated sponge Ni

Non-noble alkaline HOR activity

Combining a spongy metallic nickel framework with an ultrathin carbon-embedded nickel oxide layer enables efficient hydrogen oxidation in alkaline media, eliminating dependence on noble metal catalysts.

Zeng, Liming · Tianxiang, Yuan · Zhu, Yongyang · Wu, Daifeng · Zhou, Qing · Tang, Renheng

International Journal of Hydrogen Energy 2023

Advantages

exchange current density

kinetic current density

mass activity