Aqueous Zn–CO2 batteries: a route towards sustainable energy storage

Abstract

In recent years, the concept of rechargeable aqueous Zn–CO2 batteries has attracted extensive attention owing to their dual functionality of power supply and simultaneous conversion of CO2 into value-added chemicals or fuels. The state-of-the-art research has been mainly focused on the exploration of working mechanisms and catalytic cathodes but hardly applies an integrative view. Although numerous studies have proven the feasibility of rechargeable aqueous Zn–CO2 batteries, challenges remain including the low CO2 conversion efficiency, poor battery capacity, and low energy efficiency. This review systematically summarizes the working principles and devices, and the catalytic cathodes used for Zn–CO2 batteries. The challenges and prospects in this field are also elaborated, providing insightful guidance for the future development of rechargeable aqueous Zn–CO2 batteries with high performance.

Keywords: Zn–CO2 battery; CO2 reduction reaction; Working mechanism; Electrocatalysts.

Graphical abstract: Aqueous Zn–CO2 batteries: a route towards sustainable energy storage

Article information

Article type
Review Article
Submitted
31 jan 2024
Accepted
11 apr 2024
First published
16 apr 2024
This article is Open Access
Creative Commons BY-NC license

Ind. Chem. Mater., 2024, Advance Article

Aqueous Zn–CO2 batteries: a route towards sustainable energy storage

Y. Liu, J. Chen, W. Li, Y. Zhang, X. Fu, E. Li, S. Jin, L. Yang, Z. Tian, M. Antonietti and T. Liu, Ind. Chem. Mater., 2024, Advance Article , DOI: 10.1039/D4IM00014E

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