High-performance transition metal–doped Pt 3 Ni octahedra for oxygen reduction reaction-Reference-Cited by-全球学者库

High-performance transition metal–doped Pt 3 Ni octahedra for oxygen reduction reaction

Published:2015-06-12 Issue:6240 Volume:348 Page:1230-1234
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Huang Xiaoqing¹²,Zhao Zipeng¹²,Cao Liang³,Chen Yu¹²,Zhu Enbo¹²,Lin Zhaoyang⁴,Li Mufan⁴,Yan Aiming⁵⁶⁷,Zettl Alex⁵⁶⁷,Wang Y. Morris⁸,Duan Xiangfeng²⁴,Mueller Tim⁹,Huang Yu¹²

Affiliation:

1. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA.

2. California NanoSystems Institute (CNSI), University of California, Los Angeles, CA 90095, USA.

3. Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA.

4. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA.

5. Department of Physics and Center of Integrated Nanomechanical Systems, University of California, Berkeley, CA 94720, USA.

6. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

7. Kavli Energy NanoSciences Institute at the University of California, Berkeley, and the Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

8. Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory (LLNL), Livermore, CA 94550, USA.

9. Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA.

Abstract

Molybdenum doping drives high activity Platinum (Pt) is an effective catalyst of the oxygen reduction reaction in fuel cells but is scarce. One approach to extend Pt availability is to alloy it with more abundant metals such as nickel (Ni). Although these catalysts can be highly active, they are often not durable because of Ni loss. Huang et al. show that doping the surface of octahedral Pt 3 Ni nanocrystals with molybdenum not only leads to high activity (∼80 times that of a commercial catalyst) but enhances their stability. Science , this issue p. 1230

Funder

National Science Foundation

NSF

Office of Naval Research

Extreme Science and Engineering Development Environment

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference53 articles.

1. Nanostructured Pt-alloy electrocatalysts for PEM fuel cell oxygen reduction reaction

2. Nonprecious-Metal Catalysts for Low-Cost Fuel Cells