In chemistry, the oxygen reduction reaction refers to the reduction half reaction whereby O2 is reduced to water or hydrogen peroxide. In fuel cells, the reduction to water is preferred because the current is higher. The oxygen reduction reaction is well demonstrated and highly efficient in nature.[1][2]
^Gewirth, Andrew A.; Varnell, Jason A.; Diascro, Angela M. (2018). "Nonprecious Metal Catalysts for Oxygen Reduction in Heterogeneous Aqueous Systems". Chemical Reviews. 118 (5): 2313–2339. doi:10.1021/acs.chemrev.7b00335. PMID 29384375.
^Shao, Minhua; Chang, Qiaowan; Dodelet, Jean-Pol; Chenitz, Regis (2016). "Recent Advances in Electrocatalysts for Oxygen Reduction Reaction" (PDF). Chemical Reviews. 116 (6): 3594–3657. doi:10.1021/acs.chemrev.5b00462. PMID 26886420.
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