Issue 17, 2023

Recent advances of bifunctional catalysts for zinc air batteries with stability considerations: from selecting materials to reconstruction

Abstract

With the growing depletion of traditional fossil energy resources and ongoing enhanced awareness of environmental protection, research on electrochemical energy storage techniques like zinc–air batteries is receiving close attention. A significant amount of work on bifunctional catalysts is devoted to improving OER and ORR reaction performance to pave the way for the commercialization of new batteries. Although most traditional energy storage systems perform very well, their durability in practical applications is receiving less attention, with issues such as carbon corrosion, reconstruction during the OER process, and degradation, which can seriously impact long-term use. To be able to design bifunctional materials in a bottom-up approach, a summary of different kinds of carbon materials and transition metal-based materials will be of assistance in selecting a suitable and highly active catalyst from the extensive existing non-precious materials database. Also, the modulation of current carbon materials, aimed at increasing defects and vacancies in carbon and electron distribution in metal–N–C is introduced to attain improved ORR performance of porous materials with fast mass and air transfer. Finally, the reconstruction of catalysts is introduced. The review concludes with comprehensive recommendations for obtaining high-performance and highly-durable catalysts.

Graphical abstract: Recent advances of bifunctional catalysts for zinc air batteries with stability considerations: from selecting materials to reconstruction

Article information

Article type
Review Article
Submitted
31 1 2023
Accepted
18 7 2023
First published
19 7 2023
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2023,5, 4368-4401

Recent advances of bifunctional catalysts for zinc air batteries with stability considerations: from selecting materials to reconstruction

W. Tang, J. Mai, L. Liu, N. Yu, L. Fu, Y. Chen, Y. Liu, Y. Wu and T. van Ree, Nanoscale Adv., 2023, 5, 4368 DOI: 10.1039/D3NA00074E

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