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Updated: Aug 6, 2025

Zinc-Sponge Battery Electrodes that Suppress Dendrites
Published on: September 29, 2020
Suppression of Dendrites by a Self-Healing Elastic Interface in a Sodium Metal Battery
Jianwen Wang1, Meiyang Hu1, Yingying Zhu1
1State Key Laboratory of Chem/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China.
Abstract:
The safety issues caused by sodium dendrites limit the widespread application of sodium metal batteries. Herein, a self-healing polymer electrolyte (SPE) is prepared by immersing the self-healing polymer in a liquid electrolyte. Benefiting from the self-healing properties, elastic interface, and dense nonporous structure of the SPE, the fabricated NaK|MC SPE|NaK symmetric battery presents a long battery life (∼590 h) and low polarization voltage (192 mV). Moreover, the PTCDA|MC SPE|NaK full cell also delivers stable long cycles and outstanding rate performance.
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