Citation: Yuanwei Ma, Jigang Wang, Zhaodi Yan, Qiang Liu, Lanyan Li, Zhongfang Li, Likai Wang. Ultrathin Pd based bimetallic nanowires as highly efficient ampere-level pH-universal water splitting[J]. Chinese Chemical Letters, ;2026, 37(1): 111724. doi: 10.1016/j.cclet.2025.111724 shu

Ultrathin Pd based bimetallic nanowires as highly efficient ampere-level pH-universal water splitting

Yuanwei Ma ^{a, 1} ,
Jigang Wang ^{a, 1} ,
Zhaodi Yan ^{a, 1} ,
Qiang Liu ^a ,
Lanyan Li ^{b, *,} ,
Zhongfang Li ^a ,
Likai Wang ^{a, c, d, *,}

a.
School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China
b.
School of Resources and Environment, Hunan University of Technology and Business, Changsha 410205, China
c.
School of Chemical and Biological Engineering, and Institute of Chemical Process, Seoul National University, Seoul 08826, Republic of Korea
d.
Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China

lly820@hotmail.com

lkwangchem@sdut.edu.cn

Received Date: 20 February 2025
Revised Date: 14 August 2025
Accepted Date: 14 August 2025
Available Online: 14 August 2025

Figures(4)

Herein, we have developed a straightforward wet-chemical method to synthesize a series of Pd-based alloy nanowires (NWs), including PdPt NWs, PdAu NWs, PdIr NWs, and PdRu NWs, which exhibits high mass activity and turnover frequency (TOF) for HER, surpassing Pt/C by 4.6-fold and 1.5-fold in acidic and alkaline electrolytes, respectively. It also demonstrates high stability in alkaline electrolyte at a current density of 220 mA/cm² for 280 h, highlighting its potential for practical applications under industrial current conditions. PdPt NWs exhibited ultrathin structures with head-to-tail kinks and inherent defects, significantly increasing the density of active sites and precisely tuning the electronic structure, which could accelerate reaction kinetics and boost water-splitting electrocatalytic performance. This study highlights the potential of PdPt NWs as highly efficient catalysts, offering outstanding catalytic performance and stability for practical applications.
- PdPt,
- Alloy,
- Nanowires,
- Water splitting,
- HER
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