Room-temperature rechargeable Na–SO2 batteries containing a gel-polymer electrolyte

Xiaofei Hu; Gulbahar Dawut; Jiaqi Wang; Haixia Li; Jun Chen

doi:10.1039/C8CC02094A

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Room-temperature rechargeable Na–SO₂ batteries containing a gel-polymer electrolyte†

Xiaofei Hu,^a Gulbahar Dawut,^a Jiaqi Wang,^a Haixia Li^a and Jun Chen

*^a

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* Corresponding authors

^a Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, China
E-mail: chenabc@nankai.edu.cn
Tel: +86-22-23506808

Abstract

We constructed rechargeable Na–SO₂ batteries, based on a NaI redox mediator and containing a gel-polymer electrolyte and a multiwall carbon nanotube@Ni foam porous cathode, with a newly demonstrated battery reaction, specifically 2Na + 2SO₂ ↔ Na₂S₂O₄. A large reversible capacity of 5000 mA h g⁻¹ at 200 mA g⁻¹ (763 W h kg⁻¹) and a high capacity retention of nearly 100% after 100 cycles were obtained.

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Article information

DOI: https://doi.org/10.1039/C8CC02094A
Article type: Communication
Submitted: 15 Mar 2018
Accepted: 25 Apr 2018
First published: 26 Apr 2018

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Chem. Commun., 2018,54, 5315-5318

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Room-temperature rechargeable Na–SO₂ batteries containing a gel-polymer electrolyte

X. Hu, G. Dawut, J. Wang, H. Li and J. Chen, Chem. Commun., 2018, 54, 5315 DOI: 10.1039/C8CC02094A

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