TEMPO-oxidized cellulose nanofiber hydrogel electrolyte for rechargeable Zn-ion batteries

Kento Kimura; Vittorio Marangon; Taiga Fukuda; Mana Suzuki; Nantapat Soontornnon; Yoichi Tominaga; Jusef Hassoun

doi:10.1039/D4CC05029K

TEMPO-oxidized cellulose nanofiber hydrogel electrolyte for rechargeable Zn-ion batteries†

Kento Kimura,

^ab Vittorio Marangon,

^cd Taiga Fukuda,^e Mana Suzuki,^e Nantapat Soontornnon,

^e Yoichi Tominaga

*^abe and Jusef Hassoun

*^bcd

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei-Shi, Tokyo 184-8588, Japan
E-mail: ytominag@cc.tuat.ac.jp

^b Institute of Global Innovation Research (GIR), Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei-Shi, Tokyo 184-8588, Japan

^c Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Fossato di Mortara 17, Ferrara, Italy
E-mail: jusef.hassoun@unife.it

^d Graphene Lab, Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy

^e Graduate School of Bio-Applications and Systems Engineering (BASE), Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei-Shi, Tokyo 184-8588, Japan

Abstract

A hydrogel composed of TEMPO-oxidized cellulose and zinc perchlorate is proposed as an electrolyte for rechargeable Zn-ion battery. The non-flowable solid-like electrolyte has strong shear-thinning behavior, room temperature conductivity of ∼10⁻¹ S cm⁻¹, and stable Zn/electrolyte interphase. The Zn-ion gel-battery with a β-MnO₂ cathode delivers over 100 mA h g⁻¹ at 1.5 V allowing safe energy storage.

This article is part of the themed collection: Chemistry for a Sustainable World – Celebrating Our Community Tackling Global Challenges

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DOI: https://doi.org/10.1039/D4CC05029K
Article type: Communication
Submitted: 30 Sep 2024
Accepted: 24 Oct 2024
First published: 24 Oct 2024

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Chem. Commun., 2024,60, 13698-13701

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TEMPO-oxidized cellulose nanofiber hydrogel electrolyte for rechargeable Zn-ion batteries

K. Kimura, V. Marangon, T. Fukuda, M. Suzuki, N. Soontornnon, Y. Tominaga and J. Hassoun, Chem. Commun., 2024, 60, 13698 DOI: 10.1039/D4CC05029K

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TEMPO-oxidized cellulose nanofiber hydrogel electrolyte for rechargeable Zn-ion batteries†

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TEMPO-oxidized cellulose nanofiber hydrogel electrolyte for rechargeable Zn-ion batteries

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