A review of carbon-composited materials as air-electrode bifunctional electrocatalysts for metal–air batteries

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1007/s41918-018-0002-3
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Name affiliation
  1. National Research Council of Canada. Energy, Mining and Environment
FormatText, Article
Journal titleElectrochemical Energy Reviews
ISSN2520-8489
2520-8136
Subjectmetal–air batteries; oxygen reduction reaction; oxygen evolution reaction; carbon; bifunctional electrocatalysts; synergistic effect
Abstract
Metal–air batteries (MABs), particularly rechargeable MABs, have gained renewed interests as a potential energy storage/conversion solution due to their high specific energy, low cost, and safety. The development of MABs has, however, been considerably hampered by its relatively low rate capability and its lack of efficient and stable air catalysts in which the former stems mainly from the sluggish kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) and the latter stems from the corrosion/oxidation of carbon materials in the presence of oxygen and high electrode potentials. In this review, various carbon-composited bifunctional electrocatalysts are reviewed to summarize progresses in the enhancement of ORR/OER and durability induced by the synergistic effects between carbon and other component(s). Catalyst mechanisms of the reaction processes and associated performance enhancements as well as technical challenges hindering commercialization are also analyzed. To facilitate further research and development, several research directions for overcoming these challenges are also proposed.
Publication date
PublisherSpringer
LanguageEnglish
Peer reviewedYes
NPARC number23002819
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Record identifier33825605-c0ce-4741-bc05-80e60546e843
Record created2018-03-02
Record modified2020-03-16
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