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Cited by 439

The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.

Alkaline Anion-Exchange Membrane Fuel Cells: Challenges in Electrocatalysis and Interfacial Charge Transfer

Ramaswamy, Nagappan, Mukerjee, Sanjeev·2019·Chemical Reviews

Abstract

Alkaline anion-exchange membrane (AAEM) fuel cells have attracted significant interest in the past decade, thanks to the recent developments in hydroxide-anion conductive membranes. In this article, we compare the performance of current state of the art AAEM fuel cells to proton-exchange membrane (PEM) fuel cells and elucidate the sources of various overpotentials. While the continued development of highly conductive and thermally stable anion-exchange membranes is unambiguously a principal requirement, we attempt to put the focus on the challenges in electrocatalysis and interfacial charge transfer at an alkaline electrode/electrolyte interface. Specifically, a critical analysis presented here details the (i) fundamental causes for higher overpotential in hydrogen oxidation reaction, (ii) mechanistic aspects of oxygen reduction reaction, (iii) carbonate anion poisoning, (iv) unique challenges arising from the specific adsorption of alkaline ionomer cation-exchange head groups on electrocatalysts surfaces, and (v) the potential of alternative small molecule fuel oxidation. This review and analysis encompasses both the precious and nonprecious group metal based electrocatalysts from the perspective of various interfacial charge-transfer phenomena and reaction mechanisms. Finally, a research roadmap for further improvement in AAEM fuel cell performance is delineated here within the purview of electrocatalysis and interfacial charge transfer.

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Metadata

Authors
Ramaswamy, N., & Mukerjee, S.
Venue
Chemical Reviews
Published
2019-11-08
Volume
119
Issue
23
Pages
11945-11979
ISSN
  • 0009-2665 (ISSN-L)
  • 1520-6890
OpenAlex
W2986676030
Cited by
439
References
21
FWCI
2.92
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Alkaline Anion-Exchange Membrane Fuel Cells: Challenges in Electrocatalysis and Interfacial Charge Transfer. https://app.cochat.ai/papers/10.1021/acs.chemrev.9b00157
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Ramaswamy, N., & Mukerjee, S. (2019). Alkaline Anion-Exchange Membrane Fuel Cells: Challenges in Electrocatalysis and Interfacial Charge Transfer. Chemical Reviews. https://doi.org/10.1021/acs.chemrev.9b00157

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