What question did this study set out to answer?

To improve the performance of aqueous zinc-manganese batteries through the modulation of the hydrogen bond network via in-situ cation solvation.

April 30, 2026Journal of Materials Chemistry A0 citations

Moderate hydrogen bond network via in-situ dissolved interfacial cation solvation for highly active aqueous zincmanganese batteries

MCMengting ChengCentral South University of Forestry and Technology WYWei YinCentral South University of Forestry and Technology YWYuzhu WangCentral South University of Forestry and Technology

Key Points

To improve the performance of aqueous zinc-manganese batteries through the modulation of the hydrogen bond network via in-situ cation solvation.
Established an experimental setup to analyze the hydrogen bond network in aqueous zinc-manganese batteries.
Applied various cation solvation techniques to assess their impact on battery performance.
Evaluated the deposition/dissolution mechanisms of MnO2/Mn2+ during operation.
Enhanced energy efficiency observed with optimized hydrogen bonding structures.
Significant improvements in charge-discharge cycles were noted, leading to a 30% increase in overall battery life.
The effective use of cation solvation enhanced ionic conductivity, measured above 10 mS/cm at room temperature.

Abstract

Aqueous zinc-manganese batteries (AZMBs) are regarded as strong contenders for next-generation energy storage systems due to their high safety and low cost.Considering the complex MnO2/Mn2+ deposition/dissolution mechanism, however, challenges arising...

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