Nanoporous PdNi Bimetallic Catalyst with Enhanced Electrocatalytic Performances for Electro‐oxidation and Oxygen Reduction Reactions
Abstract
A nanoporous PdNi (np‐PdNi) bimetallic catalyst fabricated by electrochemically dealloying a Pd20Ni80 alloy in an acid solution is reported. Residual Ni in the nanoporous alloy can be controlled by tuning dealloying potentials and the electrocatalysis of the np‐PdNi shows evident dependence on Ni concentrations. With ∼9 at.% Ni, the np‐PdNi bimetallic catalyst presents superior electrocatalytic performances in methanol and formic acid electro‐oxidation as well as oxygen reduction in comparison with commercial Pd/C and nanoporous Pd (np‐Pd). The excellent electrocatalytic properties of the dealloyed np‐PdNi bimetallic catalyst appear to arise from the combined effect of unique bicontinuous nanoporosity and bimetallic synergistic action.
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In terms of overpotential and half-wave potential, the Au-Pt aerogel features a better or comparable performance to Au/Pt/C, Pd@PdPt, nanoporous PdNi, and carbon-supported Pt single-atom catalysts in either acidic or alkaline media.
“from the view of overpotential and half-wave potential, the Au–Pt aerogel features a better or comparable performance as that of Au/Pt/C, Pd@PdPt, nanoporous PdNi, and carbon-supported Pt single-atom catalysts in either acidic and alkaline media (Table S5, Supporting Information).[41–44]”
From Engineering Multimetallic Aerogels for pH‐Universal HER and ORR Electrocatalysis (2020) · cites this paper as [42]
Cites
Origin of Enhanced Activity in Palladium Alloy Electrocatalysts for Oxygen Reduction Reaction
Shao, M., Liu, P., Zhang, J., & Adzic, R. (2007) · The Journal of Physical Chemistry B · doi:10.1021/jp0689971 · Cited by 307 · see citing works
Heat-Treated PtCo<sub>3</sub> Nanoparticles as Oxygen Reduction Catalysts
Schulenburg, H., Müller, E., Khelashvili, G., Roser, T., Bönnemann, H., Wokaun, A., & Scherer, G. G. (2009) · The Journal of Physical Chemistry C · doi:10.1021/jp808134j · Cited by 96 · see citing works
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Engineering Multimetallic Aerogels for pH‐Universal HER and ORR Electrocatalysis
Du, R., Jin, W., Hübner, R., Zhou, L., Hu, Y., & Eychmüller, A. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201903857 · Cited by 137 · see citing works
Porous Nanostructured Metals for Electrocatalysis
Guo, D., & Ding, Y. (2012) · Electroanalysis · doi:10.1002/elan.201200450 · Cited by 49 · see citing works
- Authors
- Chen, L., Guo, H., Fujita, T., Hirata, A., Zhang, W., Inoue, A., & Chen, M.
- Affiliations
- Tohoku University (JP)
- Shanghai Jiao Tong University (CN)
- Corresponding author
- Chen, Mingwei
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2011-09-08
- Volume
- 21
- Issue
- 22
- Pages
- 4364-4370
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2167381077
- Cited by
- 270
- References
- 2
- Citations by year
- 2026: 2 · 2025: 9 · 2024: 9 · 2023: 11 · 2022: 12 · 2021: 10 · 2020: 26 · 2019: 24 · 2018: 25 · 2017: 31 · 2016: 26 · 2015: 24 · 2014: 25 · 2013: 22 · 2012: 14
- FWCI
- 8.11
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Advanced Functional Materials (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › Nanoporous metals and alloys
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Keywords
- nanoporous catalysts, electrochemical dealloying, oxygen reduction reaction, methanol electrooxidation, formic acid oxidation, bimetallic synergy, electrocatalysis
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