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January 1, 2025Energy & Environmental ScienceOpen Access

Unveiling Capacity Limitations of MnO2 in Rechargeable Zn Chemistry

Cheng Liu Vlad Martin‐Diaconescu Ashley Phillip Black-Serra Siavash Khabazian Bernat Mundet Krzysztof Matlak Lorenzo Stievano Andrea Sorrentino Laura Simonelli Dino Tonti

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Key Points

Zn-MnO2 batteries reveal capacity limitations due to intricate interactions with H+ and Zn2+ ions, complicating performance optimization.
Experimental assessments show attractive capacities under mildly acidic conditions, yet the efficacy of these batteries is still under scrutiny.
Investigative approaches delve into the mechanisms behind these interactions, focusing on the chemistry with MnO2 to enhance battery efficiency.
Highlighting the need for further understanding, the findings suggest potential pathways to improve electrolyte composition and battery performance.

Implication

Observation of capacity limitations in Zn-MnO2 batteries indicates interaction dynamics with electrolytes.

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Cite This Study

Liu et al. (2025) studied this question.

synapsesocial.com/papers/68e7ba40ccde5f1021f64c96 https://doi.org/10.1039/d5ee03588k

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Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1To Make a Painstaking Investigation: Revealing the Electrochemical Reactions in Aqueous Zn─Mn BatteriesOriginal Research · 2025 · 3 citations
2Multi-scale Regulation of MnO2 Dissolution/Deposition Chemistry in Rechargeable Aqueous Zinc Ion BatteriesOriginal Research · 2026 · 3 citations
3Recent Advancements in Electrolytic Zn–MnO2 Batteries: Mechanistic Insights into Mn2+/MnO2 Deposition/Dissolution and Applications to Scalable Energy StorageReview · 2026 · 1 citations
4Distinguish MnO<sub>2</sub>/Mn<sup>2+</sup> Conversion/ Zn<sup>2+</sup> Intercalation/ H<sup>+</sup> Conversion Chemistries at Different Potentials in Aqueous Zn||MnO<sub>2</sub> Batteries2024 · 37 citations
5Distinguish MnO<sub>2</sub>/Mn<sup>2+</sup> Conversion/ Zn<sup>2+</sup> Intercalation/ H<sup>+</sup> Conversion Chemistries at Different Potentials in Aqueous Zn||MnO<sub>2</sub> Batteries2024 · 12 citations

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Operando Tracking the Dissolution and Deposition Dynamics in Aqueous Zn-MnO<sub>2</sub> Batteries2024
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Decoding MnO2 redox chemistry from mechanistic ambiguity to design principles for aqueous Zn-ion batteries2026

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