From the journal:

Chemical Communications

Sulfur-based thermally regenerative cascade batteries enabling dual electrochemical reactions for enhanced power generation

Yu Shi, ORCID logo †ab   Dong Li,†ab   Yichao An,ab   Shuai Tang,ab   Liang Zhang, ORCID logo *ab   Jun Li, ORCID logo ab   Xun Zhu ORCID logo ab  and  Qiang Liao ORCID logo ab  

* Corresponding authors

a Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Ministry of Education, Chongqing, China
E-mail: liangzhang@cqu.edu.cn

b Institute of Engineering Thermophysics, School of Energy and Power Engineering, Chongqing University, Chongqing, China

Abstract

A thermally regenerative cascade battery (TRCB) coupling a Cu2S/S redox process with a Cu2+/Cu redox reaction is proposed. The Cu2S participates in energy conversion and promotes the Cu2+/Cu redox reaction, achieving a power density of 14.2 mW cm−2. Adjusting the Cu-to-S ratio is proven to provide tunable electrode capacity and boost power generation.

Graphical abstract: Sulfur-based thermally regenerative cascade batteries enabling dual electrochemical reactions for enhanced power generation

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Article information

DOI
https://doi.org/10.1039/D5CC03329B
Article type
Communication
Submitted
12 Jun 2025
Accepted
18 Jul 2025
First published
05 Aug 2025

Chem. Commun., 2025, Advance Article

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Sulfur-based thermally regenerative cascade batteries enabling dual electrochemical reactions for enhanced power generation

Y. Shi, D. Li, Y. An, S. Tang, L. Zhang, J. Li, X. Zhu and Q. Liao, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC03329B

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