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Understanding Catalytic Activity Trends in the Oxygen Reduction Reaction

Journal Article · · Chemical Reviews
 [1];  [1];  [1];  [2]
  1. Stanford Univ., CA (United States). SUNCAT Center for Interface Science and Catalysis, Dept. of Chemical Engineering
  2. Stanford Univ., CA (United States). SUNCAT Center for Interface Science and Catalysis, Dept. of Chemical Engineering; SLAC National Accelerator Lab., Menlo Park, CA (United States)

Despite the dedicated search for novel catalysts for fuel cell applications, the intrinsic oxygen reduction reaction (ORR) activity of materials has not improved significantly over the past decade. Here in this paper, we review the role of theory in understanding the ORR mechanism and highlight the descriptor-based approaches that have been used to identify catalysts with increased activity. Specifically, by showing that the performance of the commonly studied materials (e.g., metals, alloys, carbons, etc.) is limited by unfavorable scaling relationships (for binding energies of reaction intermediates), we present a number of alternative strategies that may lead to the design and discovery of more promising materials for ORR.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1471506
Journal Information:
Chemical Reviews, Journal Name: Chemical Reviews Journal Issue: 5 Vol. 118; ISSN 0009-2665
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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