Bioinspired design strategies for high-performance Zn-MnO₂ batteries

Ramesh Bhandari

Applied Energy, 2025, vol. 393, issue C, No S0306261925008700

Abstract: In this review, we explore bioinspired structural approaches that enhance both electrochemical performance and mechanical durability in Zn-MnO₂ batteries. Specifically, we investigate nature-based mass transport methods derived from plant vascular systems and hierarchical porosity structures to optimize Zn2+ ion transport and charge storage efficiency. Additionally, bioinspired mechanical reinforcement strategies—modeled after exoskeletons, honeycomb frameworks, and nacre-like structures—improve battery electrode stability by reducing phase transition-induced cracking and capacity deterioration. This review synthesizes three key strategies for mitigating dendrite growth and interfacial instability, focusing on conductive nanomaterial integration, defect engineering, and self-healing coatings. We highlight recent advancements in biomimetic coating that accelerate ion transport and minimize overpotential losses. Furthermore, we examine bioinspired approaches to overcoming Zn-MnO₂ battery limitations, particularly through the development of hierarchical porous MnO₂ cathodes and mechanically robust Zn anodes. The findings underscore the significant impact of biomimetic designs in extending cycle life, improving energy density, and enhancing safety, thereby positioning Zn-MnO₂ batteries as viable candidates for large-scale energy storage applications.

Keywords: Bioinspired design; Zn-MnO₂ batteries; Hierarchical structures; Ion transport optimization; Mechanical stability (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2025.126140

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