Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells

Abstract

Nanocage-chain fuel cell catalysts The expense and scarcity of platinum has driven efforts to improve oxygen-reduction catalysts in proton-exchange membrane fuel cells. Tian et al. synthesized chains of platinum-nickel alloy nanospheres connected by necking regions. These structures can be etched to form nanocages with platinum-rich surfaces that are highly active for oxygen reduction. In fuel cells running on air and hydrogen, these catalysts operated for at least 180 hours. Science , this issue p. 850

Keywords

Affiliated Institutions

• Hainan University CN
• Wuhan National Laboratory for Optoelectronics CN
• Huazhong University of Science and Technology CN
• Nanchang University CN
• Guangdong University of Technology CN
• Nanyang Technological University SG
• University of Electro-Communications JP
• South China University of Technology CN
• Université Bourgogne Franche-Comté FR
• Eindhoven University of Technology NL

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