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Pt-like Hydrogen Evolution Electrocatalysis on PANI/CoP Hybrid Nanowires by Weakening the Shackles of Hydrogen Ions on the Surfaces of Catalysts

Feng, Jin-Xian, Tong, Si-Yao, Tong, Ye-Xiang, Li, Gao-Ren·2018·Journal of the American Chemical Society

Abstract

The search for high active, stable, and cost-efficient hydrogen evolution reaction (HER) electrocatalysts for water electrolysis has attracted great interest. The coordinated water molecules in the hydronium ions will obviously reduce the positive charge density of H + and hamper the ability of H + to receive electrons from the cathode, leading to large overpotential of HER on nonprecious metal catalysts. Here we realize Pt-like hydrogen evolution electrocatalysis on polyaniline (PANI) nanodots (NDs)-decorated CoP hybrid nanowires (HNWs) supported on carbon fibers (CFs) (PANI/CoP HNWs-CFs) as PANI can effectively capture H + from hydronium ions to form protonated amine groups that have higher positive charge density than those of hydronium ions and can be electro-reduced easily. The PANI/CoP HNWs-CFs as low-cost electrocatalysts show excellent catalytic performance toward HER in acidic solution, such as super high catalytic activity, small Tafel slope, and superior stability.

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Metadata

Authors
Feng, J.-X., Tong, S.-Y., Tong, Y.-X., & Li, G.-R.
Venue
Journal of the American Chemical Society
Published
2018-04-03
Volume
140
Issue
15
Pages
5118-5126
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2795695406
Cited by
489
References
8
FWCI
17.81
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Pt-like Hydrogen Evolution Electrocatalysis on PANI/CoP Hybrid Nanowires by Weakening the Shackles of Hydrogen Ions on the Surfaces of Catalysts. https://app.cochat.ai/papers/10.1021/jacs.7b12968
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Feng, J.-X., Tong, S.-Y., Tong, Y.-X., & Li, G.-R. (2018). Pt-like Hydrogen Evolution Electrocatalysis on PANI/CoP Hybrid Nanowires by Weakening the Shackles of Hydrogen Ions on the Surfaces of Catalysts. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.7b12968

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