Highly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces-Reference-Cited by-同舟云学术

Highly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces

Published:2014-03-21 Issue:6177 Volume:343 Page:1339-1343
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chen Chen¹²³,Kang Yijin⁴,Huo Ziyang¹²,Zhu Zhongwei¹²,Huang Wenyu¹²,Xin Huolin L.²,Snyder Joshua D.⁴,Li Dongguo⁴,Herron Jeffrey A.⁵,Mavrikakis Manos⁵,Chi Miaofang⁶,More Karren L.⁶,Li Yadong³,Markovic Nenad M.⁴,Somorjai Gabor A.¹²,Yang Peidong¹²⁷⁸,Stamenkovic Vojislav R.⁴

Affiliation:

1. Department of Chemistry, University of California, Berkeley, CA 94720, USA.

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

3. Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.

4. Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA.

5. Department of Chemical and Biological Engineering, University of Wisconsin, Madison, WI 53706, USA.

6. Division of Materials Science and Technology, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

7. Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia.

8. Kavli Energy NanoSciences Institute at the University of California, Berkeley, and Lawrence Berkeley National Laboratory, Berkeley, CA 94704, USA.

Abstract

Giving Electrocatalysts an Edge Platinum (Pt) is an excellent catalyst for the oxygen-reduction reaction (ORR) in fuel cells and electrolyzers, but it is too expensive and scarce for widespread deployment, even when dispersed as Pt nanoparticles on carbon electrode supports (Pt/C). Alternatively, Chen et al. (p. 1339 , published online 27 February; see the Perspective by

Greer

) made highly active ORR catalysts by dissolving away the interior of rhombic dodecahedral PtNi 3 nanocrystals to leave Pt-rich Pt 3 Ni edges. These nanoframe catalysts are durable—remaining active after 10,000 rounds of voltage cycling—and are far more active than Pt/C.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference38 articles.

1. Improved Oxygen Reduction Activity on Pt 3 Ni(111) via Increased Surface Site Availability

2. Tuning Nanoparticle Catalysis for the Oxygen Reduction Reaction

3. Mesostructured thin films as electrocatalysts with tunable composition and surface morphology

4. Unique Electrochemical Adsorption Properties of Pt-Skin Surfaces

5. Oxygen Reduction Reaction Performance of [MTBD][beti]-Encapsulated Nanoporous NiPt Alloy Nanoparticles

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