What question did this study set out to answer?

To develop a mixed-phase NixB/Co3O4/Co(OH)2 composite as a precatalyst for the oxygen evolution reaction in alkaline conditions.

February 8, 2026Open Access

In-situ formation of mixed-phase NixB/Co3O4/Co(OH)2 and its application as a precatalyst for the oxygen evolution reaction

Key Points

To develop a mixed-phase NixB/Co3O4/Co(OH)2 composite as a precatalyst for the oxygen evolution reaction in alkaline conditions.
Synthesis of mixed-phase NixB/Co3O4/Co(OH)2 composite
Characterization of the composite
Assessment of catalytic performance in alkaline medium
The mixed-phase composite exhibited strong catalytic activity for the oxygen evolution reaction
Demonstrated stability in alkaline conditions
Showed potential for scalability and use as a non-precious catalyst

Abstract

Herein, a mixed-phase nickel boride/cobalt oxide/cobalt hydroxide, NixB/Co3O4/Co(OH)2, composite was formed to give a scalable and non-precious pre-catalyst for the oxygen evolution reaction (OER) in alkaline medium. The material was...

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