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Abstract

Engineering

Membraneless Hydrogen Peroxide Fuel Cells as a Promising Clean Energy Source

Published: October 20th, 2023

DOI:

10.3791/65920

1Department of Materials Science & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, 2Center for Photonic Science and Engineering, Skolkovo Institute of Science and Technology, 3Centro de Quimica Estrutural, Institute of Molecular Sciences, Instituto Superior Tecnico, Universidade de Lisboa, 4Center for Biomedical Engineering, School of Information Science and Technology, Fudan University, 5International Institute of Intelligent Nanorobots and Nanosystems, Fudan University, 6Shanghai Frontiers Science Research Base of Intelligent Optoelectronics and Perception, Fudan University, 7Yiwu Research Institute of Fudan University

Abstract

In an in-depth investigation of membraneless hydrogen peroxide-based fuel cells (H2O2 FCs), hydrogen peroxide (H2O2), a carbon-neutral compound, is demonstrated to undergo electrochemical decomposition to produce H2O, O2, and electrical energy. The unique redox properties of H2O2 position it as a viable candidate for sustainable energy applications. The proposed membraneless design addresses the limitations of conventional fuel cells, including fabrication complexities and design challenges. A novel three-dimensional electrode, synthesized via electroplating techniques, is introduced. Constructed from Au-electroplated carbon fiber cloth combined with Ni-foam, this electrode showcases enhanced electrochemical reaction kinetics, leading to an increased power density for H2O2 FCs. The performance of fuel cells is intricately linked to the pH levels of the electrolyte solution. Beyond FC applications, such electrodes hold potential in portable energy systems and as high surface area catalysts. This study emphasizes the significance of electrode engineering in optimizing the potential of H2O2 as an environmentally friendly energy source.

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Keywords Hydrogen Peroxide Fuel Cells

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