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Dealloyed Pt-Based Core–Shell Catalysts for Oxygen Reduction

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Electrocatalysis in Fuel Cells

Part of the book series: Lecture Notes in Energy ((LNEN,volume 9))

Abstract

In this chapter, we review recent works of dealloyed Pt core–shell catalysts, which are synthesized by selective removal of transition metals from a transition-metal-rich Pt alloys (e.g., PtM3). The resulted dealloyed Pt catalysts represent very active materials for the oxygen reduction reaction (ORR) catalysis in terms of noble-metal-mass-normalized activity as well as their intrinsic area-specific activity. The mechanistic origin of the catalytic activity enhancement and the stability of dealloyed Pt catalysts are also discussed.

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Acknowledgments

We thank Dr. Marc Heggen for continuing support in advanced electron microscopy. We also thank the Zentraleinrichtung für Elektronenmikroskopie (Zelmi) of the Technical University Berlin for their support with TEM and EDS techniques. LG thanks Dr. Rong Yu and Prof. Jing Zhu for their previous instructions. PS thanks Dr. Shirlaine Koh, Dr. Chengfei Yu, Dr. Ratndeep Srivastava, Dr. Prasanna Mani, Dr. Zengcai Liu, and Dr. Mehtap Oezaslan for their support over the past years. PS acknowledges financial support through the Cluster of Excellence in Catalysis (UniCat) funded by DFG and managed by TU Berlin.

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  1. The Electrochemical Energy, Catalysis, and Materials Science Laboratory, Department of Chemistry, Chemical Engineering Division, Technical University Berlin, 10623, Berlin, Germany

    Lin Gan & Peter Strasser

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  1. Lin Gan
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Correspondence to Peter Strasser .

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  1. UTC Power, Governor’s Highway 195, South Windsor, 06074, Connecticut, USA

    Minhua Shao

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Gan, L., Strasser, P. (2013). Dealloyed Pt-Based Core–Shell Catalysts for Oxygen Reduction. In: Shao, M. (eds) Electrocatalysis in Fuel Cells. Lecture Notes in Energy, vol 9. Springer, London. https://doi.org/10.1007/978-1-4471-4911-8_18

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