Nanostructuring Noble Metals as Unsupported Electrocatalysts for Polymer Electrolyte Fuel Cells

Bin Cai; Sebastian Henning; Juan Herranz; Thomas J. Schmidt; Alexander Eychmüller

doi:10.1002/aenm.201700548

journal article Aug 28, 2017

Nanostructuring Noble Metals as Unsupported Electrocatalysts for Polymer Electrolyte Fuel Cells

Bin Cai

Sebastian Henning Juan Herranz Thomas J. Schmidt

Alexander Eychmüller

Advanced Energy Materials Vol. 7 No. 23 · Wiley

View at Publisher Save 10.1002/aenm.201700548

Abstract

AbstractTwo major challenges that impede fuel cell technology breakthrough are the insufficient activity of the electrocatalysts for the oxygen reduction reaction and their degradation during operation, caused by the potential‐induced corrosion of their carbon‐support upon fuel cell operation. Unsupported electrocatalysts derived from tailored noble‐metal nanostructures are superior to the conventional carbon‐supported Pt nanoparticle catalysts and address these barriers by fine‐tuning the surface composition and eliminating the support. Herein, recent efforts and achievements in the design, synthesis and characterization of unsupported electrocatalysts are reviewed, paying special attention to noble‐metal aerogels, nano/meso‐structured thin films and template‐derived metal nanoarchitectures. Their electrocatalytic performances for oxygen reduction are compared and discussed, and examples of successful catalyst transfer to polymer electrolyte fuel cells are highlighted. This report aims to demonstrate the potential and challenges of implementing unsupported catalysts in fuel cells, thereby providing a perspective on the further development of these materials.

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Metrics

88

Citations

124

References

Details

Published: Aug 28, 2017
Vol/Issue: 7(23)
License: View

Authors

B

Bin Cai

Physical Chemistry Technische Universität Dresden Bergstraße 66b 01062 Dresden Germany

S

Sebastian Henning

Electrochemistry Laboratory Paul Scherrer Institut 5232 Villigen Switzerland

J

Juan Herranz

Electrochemistry Laboratory Paul Scherrer Institut 5232 Villigen Switzerland

T

Thomas J. Schmidt

Electrochemistry Laboratory Paul Scherrer Institut 5232 Villigen Switzerland; Laboratory of Physical Chemistry ETH Zurich 8093 Zurich Switzerland

A

Alexander Eychmüller

Physical Chemistry Technische Universität Dresden Bergstraße 66b 01062 Dresden Germany

Funding

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung Award: 20001E_151122/1

Deutsche Forschungsgemeinschaft Award: EY16/18‐1

European Research Council Award: ERC‐2013‐AdG AEROCAT

Bundesministerium für Bildung und Forschung Award: FKZ 03SF0539

Cite This Article

Bin Cai, Sebastian Henning, Juan Herranz, et al. (2017). Nanostructuring Noble Metals as Unsupported Electrocatalysts for Polymer Electrolyte Fuel Cells. Advanced Energy Materials, 7(23). https://doi.org/10.1002/aenm.201700548

Nanostructuring Noble Metals as Unsupported Electrocatalysts for Polymer Electrolyte Fuel Cells

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