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Updated: Mar 3, 2026

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Zinc-Sponge Battery Electrodes that Suppress Dendrites
Published on: September 29, 2020
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A multi-functional polymer coating enabling stable Zn anodes for high performance zinc-ion batteries
Zhaoen Liu1, Yiwen Hu1, Lujia Chai2
1College of Energy Engineering, Huanghuai University, Zhumadian 463000, Henan, China. liuzhaoen@huanghuai.edu.cn.
Abstract:
Aqueous zinc-ion batteries are hindered by side reactions arising from the high reactivity of the Zn anode. Herein, a novel three-dimensional polyethyleneimine/graphene oxide aerogel coating is designed to reinforce the zinc anode, which promotes rapid Zn2+ diffusion and ensures uniform deposition by enhancing adsorption energy and reducing ion-migration barriers.
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