Recent Insights into Manganese Oxides in Catalyzing Oxygen Reduction Kinetics

Kelsey A. Stoerzinger; Marcel Risch; Binghong Han; Yang Shao-Horn

doi:10.1021/acscatal.5b01444

Recent Insights into Manganese Oxides in Catalyzing Oxygen Reduction Kinetics

Kelsey A. Stoerzinger, Marcel Risch, Binghong Han, Yang Shao-Horn

Research output: Contribution to journal › Article › peer-review

379 Scopus citations

Abstract

The sluggish kinetics of the oxygen reduction reaction (ORR) limit the efficiency of numerous oxygen-based energy conversion devices such as fuel cells and metal-air batteries. Among earth abundant catalysts, manganese-based oxides have the highest activities approaching that of precious metals. In this Review, we summarize and analyze literature findings to highlight key parameters that influence the catalysis of the ORR on manganese-based oxides, including the number of electrons transferred as well as specific and mass activities. These insights can help develop design guides for highly active ORR catalysts and shape future fundamental research to gain new knowledge regarding the molecular mechanism of ORR catalysis.

Original language	English (US)
Pages (from-to)	6021-6031
Number of pages	11
Journal	ACS Catalysis
Volume	5
Issue number	10
DOIs	https://doi.org/10.1021/acscatal.5b01444
State	Published - Oct 2 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 American Chemical Society.

Keywords

alkaline
electrocatalysis
manganese oxide
oxygen reduction reaction
peroxide disproportionation
valence

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1021/acscatal.5b01444

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abstract = "The sluggish kinetics of the oxygen reduction reaction (ORR) limit the efficiency of numerous oxygen-based energy conversion devices such as fuel cells and metal-air batteries. Among earth abundant catalysts, manganese-based oxides have the highest activities approaching that of precious metals. In this Review, we summarize and analyze literature findings to highlight key parameters that influence the catalysis of the ORR on manganese-based oxides, including the number of electrons transferred as well as specific and mass activities. These insights can help develop design guides for highly active ORR catalysts and shape future fundamental research to gain new knowledge regarding the molecular mechanism of ORR catalysis.",

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AU - Stoerzinger, Kelsey A.

AU - Risch, Marcel

AU - Han, Binghong

AU - Shao-Horn, Yang

PY - 2015/10/2

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N2 - The sluggish kinetics of the oxygen reduction reaction (ORR) limit the efficiency of numerous oxygen-based energy conversion devices such as fuel cells and metal-air batteries. Among earth abundant catalysts, manganese-based oxides have the highest activities approaching that of precious metals. In this Review, we summarize and analyze literature findings to highlight key parameters that influence the catalysis of the ORR on manganese-based oxides, including the number of electrons transferred as well as specific and mass activities. These insights can help develop design guides for highly active ORR catalysts and shape future fundamental research to gain new knowledge regarding the molecular mechanism of ORR catalysis.

AB - The sluggish kinetics of the oxygen reduction reaction (ORR) limit the efficiency of numerous oxygen-based energy conversion devices such as fuel cells and metal-air batteries. Among earth abundant catalysts, manganese-based oxides have the highest activities approaching that of precious metals. In this Review, we summarize and analyze literature findings to highlight key parameters that influence the catalysis of the ORR on manganese-based oxides, including the number of electrons transferred as well as specific and mass activities. These insights can help develop design guides for highly active ORR catalysts and shape future fundamental research to gain new knowledge regarding the molecular mechanism of ORR catalysis.

KW - alkaline

KW - electrocatalysis

KW - manganese oxide

KW - oxygen reduction reaction

KW - peroxide disproportionation

KW - valence

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Recent Insights into Manganese Oxides in Catalyzing Oxygen Reduction Kinetics

Abstract

Bibliographical note

Keywords

UN SDGs

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