Journal article
Activity-Stability Trends for the Oxygen Evolution Reaction on Monometallic Oxides in Acidic Environments
The journal of physical chemistry letters, v 5(14), pp 2474-2478
17 Jul 2014
PMID: 26277818
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
In the present study, we used a surface-science approach to establish a functional link between activity and stability of monometallic oxides during the OER in acidic media. We found that the most active oxides (Au << Pt < Ir < Ru << Os) are, in fact, the least stable (Au >> Pt > Ir > Ru >> Os) materials. We suggest that the relationships between stability and activity are controlled by both the nobility of oxides as well as by the density of surface defects. This functionality is governed by the nature of metal cations and the potential transformation of a stable metal cation with a valence state of n = +4 to unstable metal cation with n > +4. A practical consequence of such a close relationship between activity and stability is that the best materials for the OER should balance stability and activity in such a way that the dissolution rate is neither too fast nor too slow.
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Details
- Title
- Activity-Stability Trends for the Oxygen Evolution Reaction on Monometallic Oxides in Acidic Environments
- Creators
- Nemanja Danilovic - Argonne National LaboratoryRamachandran Subbaraman - Argonne National LaboratoryKee-Chul Chang - Argonne National LaboratorySeo Hyoung Chang - Argonne National LaboratoryYijin J. Kang - Argonne National LaboratoryJoshua Snyder - Argonne National LaboratoryArvydas P. Paulikas - Argonne National LaboratoryDusan Strmcnik - Argonne National LaboratoryYong-Tae Kim - Pusan National UniversityDeborah Myers - Argonne National LaboratoryVojislav R. Stamenkovic - Argonne National LaboratoryNenad M. Markovic - Argonne National LaboratoryArgonne National Lab. (ANL), Argonne, IL (United States)
- Publication Details
- The journal of physical chemistry letters, v 5(14), pp 2474-2478
- Publisher
- American Chemical Society; Washington, DC
- Number of pages
- 5
- Grant note
- DE-AC02-06CH11357 / U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences; United States Department of Energy (DOE) U. S. Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division; United States Department of Energy (DOE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Web of Science ID
- WOS:000339365000015
- Scopus ID
- 2-s2.0-84904693353
- Other Identifier
- 991019296798704721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Atomic, Molecular & Chemical