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Title: Establishing Performance Baselines for the Oxygen Evolution Reaction in Alkaline Electrolytes

Abstract

This paper establishes baseline performance of several platinum group metal (PGM) and non-PGM catalysts in alkaline oxygen evolution (OER). As OER catalyst development efforts increase, there is a need to standardize testing and baseline performance to compare catalysts between different studies, better direct materials development, and understand how performance improvements translate to the device. Of the catalysts tested, metals tend to have higher half-cell activity than their fully oxidized counterparts. In single-cells, however, metal activities approach oxides, likely due to the elevated temperature, higher potential, and longer time needed to condition membrane electrode assemblies (MEAs) relative to rotating disk electrodes (RDEs). In RDEs, cobalt (Co) and ruthenium nanoparticles are the most OER active. Due to high ruthenium dissolution rates, however, iridium (Ir) is used as a PGM baseline. Activity differences between materials in RDE (Ir 320 A g-1, Co 12 A g-1 at 1.55 V) further appear to translate to MEAs (Ir 1370 A g-1, Co 101 A g-1 at 1.5 V), indicating that half-cell testing can be useful in the early stages of catalyst development to predict kinetics at the device-level.

Authors:
; ;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Fuel Cell Technologies Office
OSTI Identifier:
1598912
Alternate Identifier(s):
OSTI ID: 1603263
Report Number(s):
NREL/JA-5900-75887
Journal ID: ISSN 1945-7111
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Published Article
Journal Name:
Journal of the Electrochemical Society (Online)
Additional Journal Information:
Journal Name: Journal of the Electrochemical Society (Online) Journal Volume: 167 Journal Issue: 4; Journal ID: ISSN 1945-7111
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; nanomaterials; oxygen evolution; electrolysis; electrochemistry

Citation Formats

Anderson, Grace C., Pivovar, Bryan S., and Alia, Shaun M. Establishing Performance Baselines for the Oxygen Evolution Reaction in Alkaline Electrolytes. United States: N. p., 2020. Web. doi:10.1149/1945-7111/ab7090.
Anderson, Grace C., Pivovar, Bryan S., & Alia, Shaun M. Establishing Performance Baselines for the Oxygen Evolution Reaction in Alkaline Electrolytes. United States. doi:https://doi.org/10.1149/1945-7111/ab7090
Anderson, Grace C., Pivovar, Bryan S., and Alia, Shaun M. Fri . "Establishing Performance Baselines for the Oxygen Evolution Reaction in Alkaline Electrolytes". United States. doi:https://doi.org/10.1149/1945-7111/ab7090.
@article{osti_1598912,
title = {Establishing Performance Baselines for the Oxygen Evolution Reaction in Alkaline Electrolytes},
author = {Anderson, Grace C. and Pivovar, Bryan S. and Alia, Shaun M.},
abstractNote = {This paper establishes baseline performance of several platinum group metal (PGM) and non-PGM catalysts in alkaline oxygen evolution (OER). As OER catalyst development efforts increase, there is a need to standardize testing and baseline performance to compare catalysts between different studies, better direct materials development, and understand how performance improvements translate to the device. Of the catalysts tested, metals tend to have higher half-cell activity than their fully oxidized counterparts. In single-cells, however, metal activities approach oxides, likely due to the elevated temperature, higher potential, and longer time needed to condition membrane electrode assemblies (MEAs) relative to rotating disk electrodes (RDEs). In RDEs, cobalt (Co) and ruthenium nanoparticles are the most OER active. Due to high ruthenium dissolution rates, however, iridium (Ir) is used as a PGM baseline. Activity differences between materials in RDE (Ir 320 A g-1, Co 12 A g-1 at 1.55 V) further appear to translate to MEAs (Ir 1370 A g-1, Co 101 A g-1 at 1.5 V), indicating that half-cell testing can be useful in the early stages of catalyst development to predict kinetics at the device-level.},
doi = {10.1149/1945-7111/ab7090},
journal = {Journal of the Electrochemical Society (Online)},
number = 4,
volume = 167,
place = {United States},
year = {2020},
month = {1}
}

Journal Article:
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DOI: https://doi.org/10.1149/1945-7111/ab7090

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  • Liu, Tingting; Liu, Qian; Asiri, Abdullah M.
  • Chemical Communications, Vol. 51, Issue 93
  • DOI: 10.1039/C5CC06892D

Electrolytic Oxygen Evolution in Alkaline Medium on La[sub 1−x]Sr[sub x]FeO[sub 3−y] Perovskite-Related Ferrites
journal, January 1987

  • Wattiaux, A.
  • Journal of The Electrochemical Society, Vol. 134, Issue 7
  • DOI: 10.1149/1.2100741

Metallic Co 2 P ultrathin nanowires distinguished from CoP as robust electrocatalysts for overall water-splitting
journal, January 2016

  • Jin, Zhaoyu; Li, Panpan; Xiao, Dan
  • Green Chemistry, Vol. 18, Issue 6
  • DOI: 10.1039/C5GC02462E

Low-temperature synthesis of perovskite-type oxides of lanthanum and cobalt and their electrocatalytic properties for oxygen evolution in alkaline solutions
journal, January 1995

  • Jain, Amar N.; Tiwari, Shashi K.; Singh, Ravindra N.
  • Journal of the Chemical Society, Faraday Transactions, Vol. 91, Issue 12
  • DOI: 10.1039/ft9959101871