Highly mass activity electrocatalysts with ultralow Pt loading on carbon black for hydrogen evolution reaction

Shaorou Ke; Yajing Zhao; Xin Min; Yanghong Li; Ruiyu Mi; Yangai Liu; Xiaowen Wu; Minghao Fang; Zhaohui Huang

doi:10.1007/s12613-024-2912-x

Volume 32 Issue 1

Jan. 2025

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2025 > 32(1): 182-190

Shaorou Ke, Yajing Zhao, Xin Min, Yanghong Li, Ruiyu Mi, Yangai Liu, Xiaowen Wu, Minghao Fang, and Zhaohui Huang, Highly mass activity electrocatalysts with ultralow Pt loading on carbon black for hydrogen evolution reaction, Int. J. Miner. Metall. Mater., 32(2025), No. 1, pp. 182-190. https://doi.org/10.1007/s12613-024-2912-x

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Shaorou Ke, Yajing Zhao, Xin Min, Yanghong Li, Ruiyu Mi, Yangai Liu, Xiaowen Wu, Minghao Fang, and Zhaohui Huang, Highly mass activity electrocatalysts with ultralow Pt loading on carbon black for hydrogen evolution reaction, Int. J. Miner. Metall. Mater., 32(2025), No. 1, pp. 182-190. https://doi.org/10.1007/s12613-024-2912-x

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Research Article

Highly mass activity electrocatalysts with ultralow Pt loading on carbon black for hydrogen evolution reaction

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Corresponding author:
Xin Min E-mail: minx@cugb.edu.cn
Received: 11 January 2024; Revised: 8 April 2024; Accepted: 15 April 2024; Available online: 16 April 2024

Abstract

Abstract

Pt-based nanocatalysts offer excellent prospects for various industries. However, the low loading of Pt with excellent performance for efficient and stable nanocatalysts still presents a considerable challenge. In this study, nanocatalysts with ultralow Pt content, excellent performance, and carbon black as support were prepared through in-situ synthesis. These ~2-nm particles uniformly and stably dispersed on carbon black because of the strong s–p–d orbital hybridizations between carbon black and Pt, which suppressed the agglomeration of Pt ions. This unique structure is beneficial for the hydrogen evolution reaction. The catalysts exhibited remarkable catalytic activity for hydrogen evolution reaction, exhibiting a potential of 100 mV at 100 mA·cm⁻², which is comparable to those of commercial Pt/C catalysts. Mass activity (1.61 A/mg) was four times that of a commercial Pt/C catalyst (0.37 A/mg). The ultralow Pt loading (6.84wt%) paves the way for the development of next-generation electrocatalysts.
- hydrogen evolution reaction;
- ultralow platinum;
- in-situ synthesis;
- ultrasound

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