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Updated: Aug 26, 2025

Zinc-Sponge Battery Electrodes that Suppress Dendrites

Zinc-Sponge Battery Electrodes that Suppress Dendrites

Published on: September 29, 2020

A strategy for anode modification for future zinc-based battery application.

Li-Feng Zhou^1,2, Tao Du¹, Jia-Yang Li²

¹Section of Environmental Protection Key Laboratory of Eco-Industry, Institute for Energy Electrochemistry and Urban Mines Metallurgy, School of Metallurgy, Northeastern University, No. 11 Lane 3, Wenhua Road, Shenyang, China. dut@smm.neu.edu.cn.

Materials Horizons

|October 5, 2022

Summary

This summary is machine-generated.

Rechargeable zinc batteries offer cost-effective, safe energy storage. This review explores strategies to improve zinc anodes and introduces metal-free anodes for advanced zinc ion batteries.

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Last Updated: Aug 26, 2025

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Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Rechargeable zinc batteries are gaining attention due to their low cost, safety, and environmental benefits.
Zinc (Zn) anodes are crucial but face challenges like dendrite growth, corrosion, and hydrogen evolution.

Purpose of the Study:

To review fundamental understanding and modification strategies for Zn anodes in rechargeable zinc batteries.
To systematically review metal-free anodes as alternatives for "rocking chair" zinc ion batteries.
To assess the performance and mechanisms of both Zn and metal-free anodes.

Main Methods:

Literature review of zinc battery technology.
Analysis of anode modification strategies.
Evaluation of metal-free anode performance and mechanisms.
Case study of a "rocking chair" zinc ion battery prototype.

Main Results:

Zn anodes suffer from dendrites, side reactions, and safety risks in practical applications.
Metal-free anodes present a promising alternative for "rocking chair" zinc ion batteries.
A prototype assessment highlights the comparative merits and demerits of Zn and metal-free anodes.

Conclusions:

Further improvements in rechargeable zinc batteries are needed.
Metal-free anodes offer a potential pathway for enhanced safety and performance in zinc ion batteries.
This review provides insights for the future development of commercial rechargeable zinc batteries.