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Recent progress of low-loaded platinum on well-functionalized carbon electrocatalysts for oxygen reduction reaction

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2025, 35(1), pp.107~127
  • DOI : 10.1007/s42823-024-00822-1
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : August 15, 2024
  • Accepted : September 28, 2024
  • Published : March 28, 2025

Seon‑Yeong Lee 1 Myung Kyoon Kim 1 U‑hyeok Son 1 Seunggyun Han 1 Seungik Lee 1 Han‑Ik Joh ORD ID 1

1건국대학교

Accredited

ABSTRACT

Low-loaded (1–5 wt%) platinum on carbon-based electrocatalysts (l-Pt/C) for the oxygen reduction reaction (ORR) has garnered attention as a promising approach to advancing fuel cell commercialization. Carbon materials, known for their morphological diversity, high specific surface area, ease of doping, cost-effectiveness, and high electrical conductivity, are widely used as supports for l-Pt/C catalysts. This review provides a comprehensive overview of recent progress in carbon-based l-Pt/C catalysts, focusing on three major strategies: modulating pore structure, utilizing the Pt size effect, and introducing novel Pt active sites. Each strategy is detailed, highlighting its principles, characteristics, and limitations with illustrative examples. Finally, we discuss and offer guidance for future research perspectives on highly active l-Pt/C catalysts for ORR.

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This paper was written with support from the National Research Foundation of Korea.