Constructing Dense CoRu-CoMoO Heterointerfaces with Electron Redistribution for Synergistically Boosted Alkaline Electrocatalytic Water Splitting.

Constructing metal alloys/metal oxides heterostructured electrocatalysts with abundant and strongly coupling interfaces is vital yet challenging for practical electrocatalytic water splitting. Herein, CoRu nanoalloys uniformly anchored on CoMoO nanosheet heterostructured electrocatalyst (CoRu-CoMoO/NF) are synthesized via a self-templated strategy by simply annealing of Ru-etched CoMoO/NF precursor in a reduction atmosphere. The dense and robustly coupled interface not only provides abundant active sites for water splitting but also strengthens the charge transfer efficiency.

Synergizing ruthenium oxide with bimetallic CoCrO for highly efficient oxygen evolution reaction.

Designing efficient and stable oxygen evolution reaction (OER) catalyst is the basis for the development of sustainable electrolytic water energy techniques. In this work, we presented a heterogeneous-structured electrocatalyst composed of bimetallic oxides-modified RuO nanosheets supported on nikel foam (CoCrO/RuO) using a hybrid hydrothermal, ion-exchange and calcination method. The unique synergy and interfacial coupling between CoCrO/RuO heterostructures are favorable for optimizing the electronic configuration at this interface and strengthening the charge transport capacity, thus strengthening the catalytic activity of the CoCrO/RuO catalyst.

Synergistically coupled CoMo/FeO electrocatalyst for highly efficient and stable overall water splitting.

Constructing bifunctional non-precious metal electrocatalysts with advanced industrial value and excellent electrocatalytic performance to achieve efficient overall water splitting is important but difficult. Herein, a heterogeneous electrocatalyst comprising of CoMo alloys anchored FeO nanosheets was prepared by hydrothermal and electrodeposition methods. The strongly coupled interfaces between the CoMo alloys and FeO nanosheets promote charge redistribution, which could improve electron transfer efficiency and accelerate reaction kinetics, potentially optimizing reactant adsorption energy.