Intermetallic Electrocatalysts for Small‐Molecule Fuel Oxidation DOI Creative Commons

Qi Mai,

Yaohua Mai, Yiwen Zhong

et al.

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 17, 2025

Abstract Intermetallic compounds with well‐ordered crystal structures and precise stoichiometry are emerging as a transformative class of electrocatalysis. Existing reviews have primarily focused on intermetallic for specific electrocatalytic reactions or their synthesis strategies, while comprehensive perspective how ordered contribute to performance across different electrochemical applications that share similarity remains underexplored. In this review, the recent progress is examined in compounds, particularly focusing structure–property‐performance correlations four critical small‐molecule fuel oxidation reactions, including hydrogen formic acid methanol ethanol reactions. These central sustainable fuel‐cell technologies due high theoretical energy densities, relatively benign byproducts, scalability clean production. This review begins by highlighting advantages compound nanocrystals over metal alloys, such unique structures, exceptional thermodynamic stability, enhanced durability, improved intrinsic activity, optimized distribution active sites, scalability. Subsequently, these comprehensively discussed detail. concludes an outlook future directions application nanocrystals, emphasizing role advancing technologies.

Language: Английский

A Tungsten Polyoxometalate Mediated Aqueous Redox Flow Battery with High Voltage of 2 V DOI Creative Commons
Wei Liu, Weipeng Li, Weizhuo Xu

et al.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Abstract As a promising stationary energy storage device, aqueous redox flow battery (ARFB) still faces the challenge of low voltage output, due to limitation potential water splitting (1.23 V theoretically). Herein, we present an ultra-low anolyte design by using Na substituted phosphotungstic acid (3Na-PW12) for with output as high 2.0 V. The 3Na-PW12 can store 5 electrons in charging process and simultaneously capture Na+ or protons from dissociation water, resulting increase electrolyte pH 11. Because value, hydrogen evolution reaction (HER) is highly suppressed partially degraded into lacunary structured PW11 extremely down -1.1V (vs. SHE). After discharging, captured are re-released solution, therefore, structure recovered. Based on cyclic change self-regulation charge discharge process, offered high-power density 200 mW cm-1 160 coupled Br2/Br- I2/I- catholyte respectively.

Language: Английский

Citations

0
Intermetallic Electrocatalysts for Small‐Molecule Fuel Oxidation DOI Creative Commons

Qi Mai,

Yaohua Mai, Yiwen Zhong

et al.

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 17, 2025

Abstract Intermetallic compounds with well‐ordered crystal structures and precise stoichiometry are emerging as a transformative class of electrocatalysis. Existing reviews have primarily focused on intermetallic for specific electrocatalytic reactions or their synthesis strategies, while comprehensive perspective how ordered contribute to performance across different electrochemical applications that share similarity remains underexplored. In this review, the recent progress is examined in compounds, particularly focusing structure–property‐performance correlations four critical small‐molecule fuel oxidation reactions, including hydrogen formic acid methanol ethanol reactions. These central sustainable fuel‐cell technologies due high theoretical energy densities, relatively benign byproducts, scalability clean production. This review begins by highlighting advantages compound nanocrystals over metal alloys, such unique structures, exceptional thermodynamic stability, enhanced durability, improved intrinsic activity, optimized distribution active sites, scalability. Subsequently, these comprehensively discussed detail. concludes an outlook future directions application nanocrystals, emphasizing role advancing technologies.

Language: Английский

Citations

0