Issue 25, 2024

A robust single compartment peroxide fuel cell using mesoporous antimony doped tin oxide as the cathode material

Abstract

To date, metal oxide catalysts have not been explored as cathode materials for robust and high-performance single-compartment H2O2 fuel cells due to significant non-electrochemical disproportionation losses of H2O2 on many metal oxide surfaces. Here, for the first time, we demonstrate an acidic peroxide fuel cell with antimony doped tin oxide as the cathode and widely used Ni foam as the anode material. Our constructed peroxide fuel cell records a superior open circuit potential of nearly 0.82 V and a maximum power density of 0.32 mW cm−2 with high operational stability. The fuel cell performance is further improved by increasing the ionic strength of the electrolyte with the addition of 1 M NaCl, resulting in an increased maximum power density value of 1.1 mW cm−2.

Graphical abstract: A robust single compartment peroxide fuel cell using mesoporous antimony doped tin oxide as the cathode material

Supplementary files

Article information

Article type
Paper
Submitted
28 Mar 2024
Accepted
15 May 2024
First published
16 May 2024

Nanoscale, 2024,16, 12060-12070

A robust single compartment peroxide fuel cell using mesoporous antimony doped tin oxide as the cathode material

A. M. C. Devassy, K. D. Wankhede, A. Kamalakshan and S. Mandal, Nanoscale, 2024, 16, 12060 DOI: 10.1039/D4NR01375A

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