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Abstract <p>Hydrogen evolution catalysts based on sodium-pectate nickel carbonized complexes are developed. These catalysts are promising for use in water electrolyzers. The leading catalyst with the sodium ions’ 25%-substitution for nickel cations, carbonized to 280°C, is identified. The cathodic current density with this catalyst at a cell voltage of 2.5 V and temperature of 80°C equals 49% of that obtained with the commercial Pt20%/C cathode catalyst.</p>

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The Sodium-Pectate Nickel Carbonized Complexes as Electrocatalysts for the Hydrogen Evolution Reaction

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • R. R. Gainullin,
  • A. V. Kozlov,
  • E. A. Soloviev,
  • S. V. Drobyshev,
  • E. I. Galeeva,
  • Ya. V. Ivshin,
  • S. T. Minzanova,
  • Yu. H. Budnikova,
  • M. K. Kadirov

摘要

Abstract

Hydrogen evolution catalysts based on sodium-pectate nickel carbonized complexes are developed. These catalysts are promising for use in water electrolyzers. The leading catalyst with the sodium ions’ 25%-substitution for nickel cations, carbonized to 280°C, is identified. The cathodic current density with this catalyst at a cell voltage of 2.5 V and temperature of 80°C equals 49% of that obtained with the commercial Pt20%/C cathode catalyst.