三维多孔碳负载三元PtFeCu合金进行碱性析氢反应

IF 1.4 Q2 Physics and Astronomy

Physics Open Pub Date : 2025-07-11 DOI:10.1016/j.physo.2025.100293

Jinlong He, Shuhua Zhao, Siyu Shang, Chenxi Zhou, Deying Wen

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引用次数: 0

摘要

采用自模板策略在三维多孔碳（PtFeCu- 3dc）上修饰了三元PtFeCu合金纳米颗粒。利用三维多孔碳与锚定的PtFeCu合金纳米颗粒的协同作用，可以提高碱性溶液中的传质效率和催化活性。所制得的PtFeCu/3DC-800催化剂在1 M KOH条件下具有优异的析氢活性，过电位低至20 mV，塔菲尔斜率小至44.62 mV dec−1，耐久性好（50000 s）。这些结果显示了三元pt基合金在实际应用中的巨大潜力。

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Ternary PtFeCu alloys loaded on three-dimensional porous carbon for alkaline hydrogen evolution reaction

Ternary PtFeCu alloy nanoparticles were decorated on three-dimensional porous carbon (PtFeCu-3DC) via a self-templating strategy. Benefiting from the synergetic effect of three-dimensional porous carbon and the anchored PtFeCu alloy nanoparticles, could promote the mass transfer efficiency and catalytic activity in alkaline solution. The obtained PtFeCu/3DC-800 catalyst exhibited excellent hydrogen evolution reaction (HER) activity in 1 M KOH with an overpotential as low as 20 mV, a Tafel slope as small as 44.62 mV dec⁻¹, and good durability (50000 s). These results demonstrate the great potential of ternary Pt-based alloys for practical applications.

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来源期刊

Physics Open Physics and Astronomy-Physics and Astronomy (all)

CiteScore

3.20

自引率

0.00%

发文量

审稿时长

9 weeks