Cited by 24Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsFuel Cells and Related Materials

Optimizing Electrocatalytic Hydrogen Evolution Stability via Minimal Bubble Adhesion at Electrodeposited Crack‐Structured NiP x Catalysts

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Sun, Qian, Hao, Xiaoyu, Zhang, Dina, Zhang, Tianyi, Zhao, Yuanfang, Huang, Xiaolei, Liu, Xuqing·2024·ENERGY & ENVIRONMENTAL MATERIALS

Abstract

In response to the ongoing energy crisis, advancing the field of electrocatalytic water splitting is of utmost significance, necessitating the urgent development of high‐performance, cost‐effective, and durable hydrogen evolution reaction catalysts. But the generated gas bubble adherence to the electrode surface and sluggish separation contribute to significant energy loss, primarily due to the insufficient exposure of active sites, thus substantially hindering electrochemical performance. Here, we successfully developed a superaerophobic catalytic electrode by loading phosphorus‐doped nickel metal (NiP x ) onto various conductive substrates via an electrodeposition method. The electrode exhibits a unique surface structure, characterized by prominent surface fissures, which not only exposes additional active sites but also endows the electrode with superaerophobic properties. The NiP x /Ti electrode demonstrates superior electrocatalytic activity for hydrogen evolution reaction, significantly outperforming a platinum plate, displaying an overpotential of mere 216 mV to achieve a current density of −500 mA cm −2 in 1 M KOH. Furthermore, the NiP x /Ti electrode manifests outstanding durability and robustness during continuous electrolysis, maintaining stability at a current density of −10 mA cm −2 over a duration of 2000 h. Owing to the straightforward and scalable preparation methods, this highly efficient and stable NiP x /Ti electrocatalyst offers a novel strategy for the development of industrial water electrolysis.

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Crossref · 10.1002/eem2.12726

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Authors
Sun, Q., Hao, X., Zhang, D., Zhang, T., Zhao, Y., Huang, X., & Liu, X.
Affiliations
  • Northwestern Polytechnical University (CN)
  • Shenzhen University (CN)
  • Chinese Academy of Sciences (CN)
Corresponding author
  • Zhao, Yuanfang
  • Huang, Xiaolei
  • Liu, Xuqing
Venue
ENERGY & ENVIRONMENTAL MATERIALS
Publisher
Wiley
Published
2024-04-20
Volume
7
Issue
5
ISSN
  • 2575-0348 (ISSN-L)
  • 2575-0356
OpenAlex
W4394976310
Cited by
24
References
49
Citations by year
2026: 6 · 2025: 14 · 2024: 4
FWCI
1.60
Type
journal article
Language
en
Open access
Locations
Energy & environment materials (publishedVersion, cc-by)
Funders
  • National Natural Science Foundation of China (52375204)
  • Fundamental Research Funds for the Central Universities (0604023SH0201079, 0604023GH0202079)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
hydrogen evolution reaction, electrocatalysis, bubble adhesion, superaerophobic surfaces, electrodeposition, titanium substrate, water electrolysis, catalyst stability, active site exposure

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