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Cited by 203

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Pt‐Quantum‐Dot‐Modified Sulfur‐Doped NiFe Layered Double Hydroxide for High‐Current‐Density Alkaline Water Splitting at Industrial Temperature

Lei, Hang, Wan, Qixiang, Tan, Shaozao, Wang, Zilong, Mai, Wenjie·2023·Advanced Materials
DOI 10.1002/adma.202208209
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Abstract

Suitable electrocatalysts for industrial water splitting can veritably promote practical hydrogen applications. Rational surface design is exceptionally significant for electrocatalysts to bridge the gap between fundamental science and industrial expectation in water splitting. Here, Pt-quantum-dot-modified sulfur-doped NiFe layered double hydroxides (Pt@S–NiFe LDHs) are designed with eximious catalytic activity toward hydrogen evolution reaction (HER) under industrial condition. Benefiting from enhanced binding energy, mass transfer, and hydrogen release, Pt@S–NiFe LDHs exhibit outstanding activity in HER at high current densities. Notably, it obtains an impressively low overpotential of 71 mV and long-term stability of 200 h at 100 mA cm−2, exceeding commercial 40% Pt/C and most reported Pt-based electrocatalysts. Its mass activity is 2.7 times higher than that of 40% Pt/C with an overpotential of 100 mV. Furthermore, at industrial temperature (65 °C), the electrolyzer based on Pt@S–NiFe LDH needs just 1.62 V to reach the current density of 100 mA cm−2, superior to that of the commercial one of 40% Pt/C//IrO2. This work provides rational ideas to develop electrocatalysts with exceptional performance for industrial high-temperature water splitting at high current densities.

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Metadata

Authors
Lei, H., Wan, Q., Tan, S., Wang, Z., & Mai, W.
Venue
Advanced Materials
Publisher
Wiley
Published
2023-03-04
Volume
35
Issue
15
Pages
2208209
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
DOI
10.1002/adma.202208209
OpenAlex
W4317659267
Cited by
203
References
5
FWCI
9.50
Type
journal article
Language
en
Open access
closed
Licence
Funders
  • Natural Science Foundation of Guangdong Province (2021A1515010504, 2022A1515010049)
  • National Natural Science Foundation of China (21706090, 52172202, 51872124)
  • Ministry of Education of the People's Republic of China (6141A02022516)

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CoChat. (2026). Citation check: Pt‐Quantum‐Dot‐Modified Sulfur‐Doped NiFe Layered Double Hydroxide for High‐Current‐Density Alkaline Water Splitting at Industrial Temperature. https://app.cochat.ai/papers/10.1002/adma.202208209
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Lei, H., Wan, Q., Tan, S., Wang, Z., & Mai, W. (2023). Pt‐Quantum‐Dot‐Modified Sulfur‐Doped NiFe Layered Double Hydroxide for High‐Current‐Density Alkaline Water Splitting at Industrial Temperature. Advanced Materials. https://doi.org/10.1002/adma.202208209

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.