Journal article
Multimetallic Core/Interlayer/Shell Nanostructures as Advanced Electrocatalysts
Nano letters, v 14(11), pp 6361-6367
01 Nov 2014
PMID: 25299322
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The fine balance between activity and durability is crucial for the development of high performance electrocatalysts. The importance of atomic structure and compositional gradients is a guiding principle in exploiting the knowledge from well-defined materials in the design of novel class of coreshell electrocatalysts comprising Ni core, Au interlayer, and PtNi shell (Ni@Au@PtNi). This multimetallic system is found to have the optimal balance of activity and durability due to the synergy between the stabilizing effect of subsurface Au and modified electronic structure of surface Pt through interaction with subsurface Ni atoms. The electrocatalysts with Ni@Au@PtNi core-interlayer-shell structure exhibit high intrinsic and mass activities as well as superior durability for the oxygen reduction reaction with less than 10% activity loss after 10 000 potential cycles between 0.6 and 1.1 V vs the reversible hydrogen electrode.
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Details
- Title
- Multimetallic Core/Interlayer/Shell Nanostructures as Advanced Electrocatalysts
- Creators
- Yijin Kang - Argonne National LaboratoryJoshua Snyder - Argonne National LaboratoryMiaofang Chi - Oak Ridge National LaboratoryDongguo Li - Argonne National LaboratoryKarren L. More - Oak Ridge National LaboratoryNenad M. Markovic - Argonne National LaboratoryVojislav R. Stamenkovic - Argonne National LaboratoryOak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Details
- Nano letters, v 14(11), pp 6361-6367
- Publisher
- American Chemical Society; Washington, DC
- Number of pages
- 7
- Grant note
- DE-AC02-06CH11357 / U.S. Department of Energy, the Office of Energy Efficiency and Renewable Energy, Fuel Cell Technologies Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. Department of Energy; United States Department of Energy (DOE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Web of Science ID
- WOS:000345723800052
- Scopus ID
- 2-s2.0-84910148572
- Other Identifier
- 991019296796504721
UN Sustainable Development Goals (SDGs)
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Chemistry, Multidisciplinary
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied
- Physics, Condensed Matter