Wide temperature range adaptable electric field driven binder for advanced lithium-sulfur batteries

Wanyuan Jiang, Xin Jin, Borui Li, Yunpeng Qu, Lin Wang, Ce Song, Mengfan Pei, Tianpeng Zhang (), Xigao Jian () and Fangyuan Hu ()
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Wanyuan Jiang: Dalian University of Technology
Xin Jin: Dalian University of Technology
Borui Li: Dalian University of Technology
Yunpeng Qu: Dalian University of Technology
Lin Wang: Dalian University of Technology
Ce Song: National University of Defense Technology
Mengfan Pei: Dalian University of Technology
Tianpeng Zhang: Northeast Forestry University
Xigao Jian: Dalian University of Technology
Fangyuan Hu: Dalian University of Technology

Nature Communications, 2025, vol. 16, issue 1, 1-14

Abstract: Abstract Stable operation over wide temperature ranges is still a great challenge for lithium-sulfur batteries facing actual operating environments. Electrocatalysis is an effective strategy to address the sluggish reaction kinetics of lithium polysulfides at low temperatures and exacerbated shuttling effect at high temperatures; however, its practicality is still restricted by the structural stability of the support electrodes. In this work, a binder with wide temperature range adaptability is designed with a structure-modulated stable electrocatalytic mechanism, which can achieve effective adsorption and accelerated conversion of lithium polysulfides, and high-temperature self-repair and low-temperature internal support of electrodes. Lithium-sulfur batteries with the binder have a specific capacity of 780 mAh g−1 (5 C, 8375 mA g−1), and 470 mAh g−1 (0.1 C, 167.5 mA g−1) even at −40 °C. This work realizes the stable operation across a temperature range of 100 °C solely by the innovative development of binder, which provides a unique perspective for wide-temperature range lithium-sulfur battery design.

Date: 2025
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DOI: 10.1038/s41467-025-62909-1

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