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Updated: Sep 17, 2025
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Zinc-Sponge Battery Electrodes that Suppress Dendrites
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Understanding the Engineering Tactics to Achieve the Stabilized Anode in Next-Generation Zn-Air Batteries
Subramani Surendran1, Yoongu Lim1, Seona Lee1
1Hydrogen Energy Technology Laboratory Korea Institute of Energy Technology (KENTECH) Jeollanamdo Republic of Korea.
Exploration (Beijing, China)
|June 30, 2025
Summary
This review explores strategies to overcome challenges in zinc-air batteries, focusing on anode stabilization and electrolyte modifications for sustainable energy storage. These advancements aim to enhance the performance and reliability of this promising electrochemical energy storage technology.
Area of Science:
- Materials Science
- Electrochemistry
- Sustainable Energy
Background:
- The demand for green energy necessitates advanced electrochemical energy storage (ECS) solutions.
- Zinc-air batteries offer high energy density but face anode stability issues like dendrite formation, hydrogen evolution reaction (HER), and corrosion.
Purpose of the Study:
- To review and highlight rational design strategies for stabilizing zinc anodes in zinc-air batteries.
- To discuss significant electrolyte modifications for improved battery performance and longevity.
Main Methods:
- Review of literature on zinc anode stabilization techniques.
- Analysis of electrolyte modification approaches, including passive coatings, heterostructures, alloy composites, organic electrolytes, additives, and solid-state polymer gel electrolytes.
Main Results:
- Various strategies effectively mitigate Zn anode degradation.
- Electrolyte modifications offer promising avenues for enhancing zinc-air battery performance and cycle life.
Conclusions:
- Stabilizing the Zn anode and optimizing electrolytes are crucial for realizing the full potential of zinc-air batteries.
- This review serves as a guide for researchers and industrialists developing next-generation sustainable energy storage devices.
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