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. 2024 Nov 19;60(93):13698-13701.
doi: 10.1039/d4cc05029k.

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

Kento Kimura  1   2 , Vittorio Marangon  3   4 , Taiga Fukuda  5 , Mana Suzuki  5 , Nantapat Soontornnon  5 , Yoichi Tominaga  1   2   5 , Jusef Hassoun  2   3   4
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TEMPO-oxidized cellulose nanofiber hydrogel electrolyte for rechargeable Zn-ion batteries

Kento Kimura et al. Chem Commun (Camb). .

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.

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