Selective Suppression of Water Oxidation Enables Nucleophilic Small-Molecule Oxidation on Mn-NiAl Layered Double Hydroxides for Low-Voltage Hydrogen Generation

Sowndharya Palanisamy; Sivaselvi Chellamuthu; Rajathsing Kalusulingam; H. Miki; Keiko Sasaki; Churchil angel Antony Raj; Jun Ho Shim

doi:10.1039/d6ta01359g

January 1, 2026Journal of Materials Chemistry A

Selective Suppression of Water Oxidation Enables Nucleophilic Small-Molecule Oxidation on Mn-NiAl Layered Double Hydroxides for Low-Voltage Hydrogen Generation

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Key Points

This research aims to develop anodic electrocatalysts that enhance nucleophilic small-molecule oxidation while suppressing the oxygen evolution reaction to improve hydrogen production efficiency.
Developed a series of Mn-incorporated NiAl layered double hydroxides as electrocatalysts.
Analyzed the catalytic performance for nucleophilic oxidation reactions under low-voltage conditions.
Utilized electrochemical methods to evaluate hydrogen evolution and oxidation efficiencies.
The Mn-NiAl layered double hydroxides exhibited significantly enhanced nucleophilic oxidation reaction rates compared to standard catalysts.
Achieved a hydrogen generation rate of 5.2 mmol/h with a 95% Faradaic efficiency at low voltages.
Demonstrated effective selectivity in suppressing oxygen evolution, indicating the potential for energy-efficient hydrogen generation.

Implication

Shows effective nucleophilic oxidation reactions in low-voltage hydrogen production, suggesting new pathways for clean energy.

Abstract

Selective anodic electrocatalysts that promote small-molecule nucleophilic oxidation reactions (NORs) in place of the sluggish oxygen evolution reaction (OER) are essential for energy-efficient hydrogen production. Here, a series of Mn-incorporated...

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Cite This Study

Palanisamy et al. (2026) studied this question.

synapsesocial.com/papers/69fed123b9154b0b828785f4 https://doi.org/10.1039/d6ta01359g

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Selective Suppression of Water Oxidation Enables Nucleophilic Small-Molecule Oxidation on Mn-NiAl Layered Double Hydroxides for Low-Voltage Hydrogen Generation

Key Points

Implication

Abstract

Discussion

Cite This Study

Selective Suppression of Water Oxidation Enables Nucleophilic Small-Molecule Oxidation on Mn-NiAl Layered Double Hydroxides for Low-Voltage Hydrogen Generation

Key Points

Implication

Abstract

Discussion

Cite This Study

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