Complementary Operando Spectroscopy identification of in-situ generated metastable charge-asymmetry Cu-CuN clusters for CO reduction to ethanol.

Copper-based materials can reliably convert carbon dioxide into multi-carbon products but they suffer from poor activity and product selectivity. The atomic structure-activity relationship of electrocatalysts for the selectivity is controversial due to the lacking of systemic multiple dimensions for operando condition study. Herein, we synthesized high-performance CORR catalyst comprising of CuO clusters supported on N-doped carbon nanosheets, which exhibited high C products Faradaic efficiency of 73% including decent ethanol selectivity of 51% with a partial current density of 14.

A Reconstructed Cu P O Catalyst for Selective CO Electroreduction to Multicarbon Products.

The electrochemical CO reduction reaction (CO RR) over Cu-based catalysts shows great potential for converting CO into multicarbon (C ) fuels and chemicals. Herein, we introduce an A M O structure into a Cu-based catalyst through a solid-state reaction synthesis method. The Cu P O catalyst is electrochemically reduced to metallic Cu with a significant structure evolution from grain aggregates to highly porous structure under CO RR conditions.

Heterogeneous Synergetic Effect of Metal-Oxide Interfaces for Efficient Hydrogen Evolution in Alkaline Solutions.

Water dissociation in alkaline solutions is one of the biggest challenges in hydrogen evolution reactions (HERs). The key is to obtain a catalyst with optimal and balanced OH adsorption energy and H adsorption/H desorption energy. Herein, we synthesized a NiW/WO catalyst on the Ni foam that optimized the coverage and size of NiW alloys decorated on the NiWO/WO substrate.