Exploring cost-effective and highly-active oxygen evolution reaction (OER) electrocatalysts is a pressing task to propel water electrolysis for green hydrogen production. Herein, we constructed class of Fe-doped S-enriched Ni3S2 nanowires optimizing the target intermediates adsorption decrease OER overpotentials at various current densities. The optimal Ni3S2-1.4%Fe electrocatalyst possesses mo...

Heteroatom doping is an effective strategy to regulate electrocatalysts for the oxygen evolution reaction (OER). Nonmetal heteroatoms can effectively engineer geometric and electronic structures activating surface sites of catalysts due their unique radius electronegativity nonmetal atoms. Hence, structure activity atoms (X, X = B, C, N, O, P)-doped Ni3S2 (X-Ni3S2) were studied screen high-perf...

Platinum (Pt) is regarded as a promising electrocatalyst for hydrogen evolution reaction (HER). However, its application in an alkaline medium limited by the activation energy of water dissociation, diffusion H+, and desorption H*. Moreover, formation effective structures with low Pt usage amount still challenge. Herein, guided simulation discovery that edge effect can boost local electric fiel...

The overpotential of Li-ion batteries is one the most relevant characteristics influencing power and energy densities these battery systems. However, intrinsic complexity multi-influencing factors make it challenging to analyze precisely. To decompose total a into various individual components, pseudo-two-dimensional (P2D) model has been adopted used for electrochemical simulations graphite-bas...

Ammonia plays a substantial role in agriculture and the next generation of carbon-free energy supply. Electrocatalytic nitrate reduction to NH3 is attractive for removal production under ambient conditions. However, efficiency limited by high reaction overpotential. Here we propose three-step relay mechanism composed spontaneous redox reaction, electrochemical electrocatalytic overcome this iss...

The exploration of a facile strategy to synthesize porous ultrathin nanosheets of non-layered materials, especially with exposed reactive facets, as highly efficient electrocatalysts for the hydrogen evolution reaction (HER), remains challenging. Herein we demonstrate a chemical transformation strategy to synthesize porous CoP ultrathin nanosheets with sub-1.1 nm thickness and exposed {200} fac...

The exploration of earth-abundant and high-efficiency electrocatalysts for the oxygen evolution reaction (OER) is of great significant for sustainable energy conversion and storage applications. Although spinel-type binary transition metal oxides (AB2O4, A, B = metal) represent a class of promising candidates for water oxidation catalysis, their intrinsically inferior electrical conductivity ex...

Nanoporous metal prepared by the corrosion of an alloy can take the form of monolithic, millimeter-sized bodies containing approximately 1015 nanoscale ligaments per cubic millimeter. Applications have been suggested, for instance in catalysis, sensing and actuation. Although the process of dealloying has seen many studies, the underlying processes remain to be clarified in more detail. Here we...