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The research aims to create an effective non-precious metal catalyst for high-current hydrogen evolution reactions.

January 23, 2026ChemistrySelect

Simple Wet Chemical Impregnation Method for Preparing MXene‐Supported Co Nanoparticle Aggregates for High‐Current HER

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The research aims to create an effective non-precious metal catalyst for high-current hydrogen evolution reactions.
Fabrication of Co nanoparticle aggregates on Ti 3 C 2 T x MXene using a wet-chemical impregnation method.
Testing of the catalyst's performance in an alkaline flow electrolyzer.
Assessment of electron transfer kinetics and electrochemically active surface area.
The catalyst achieved an overpotential of 81 mV at a current density of 10 mA cm −2.
It delivered a current density of 1 A cm −2 at 2.8 V.
Performance decreased after 10 hours of operation at 500 mA cm −2 due to degradation.

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Lab-based assessment finds MXene-supported cobalt aggregates enhance hydrogen production, indicating potential for improved energy technologies.

Zeng et al. (2026) studied this question.

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Lab-based assessment finds MXene-supported cobalt aggregates enhance hydrogen production, indicating potential for improved energy technologies.