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September 27, 2025Energy & Fuels

Cobalt-Doped Manganese Dioxide Nanowires as a High-Performance Cathode for Aqueous Zinc-Ion Batteries

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Authors

ZWZhaolong WangMZMing ZhaoXWXiang Wu

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Overview

This work demonstrates cobalt-doped manganese dioxide improves capacity retention in zinc-ion batteries, indicating enhanced electrochemical performance.

Key Points

  • The Zn//MnO2-2Co battery reaches 453.6 mA h g–1 at a discharge rate of 0.1 A g–1, demonstrating excellent capacity.
  • Capacity retention is impressive, maintaining 95% after 1000 cycles, showcasing its durability.
  • The cells deliver an energy density of 262 W h kg–1 with a power density of 100 W kg–1, indicating strong performance metrics.
  • A one-step hydrothermal approach effectively incorporates Co2+ into the β-MnO2 structure, enhancing its properties.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68d7be6ceebfec0fc52382b6https://doi.org/10.1021/acs.energyfuels.5c04148
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