MnO nanoflower network anchored on lamellar carbon: A high-performance cathode for aqueous zinc-ion batteries

Li Menghua; Liu Xinzheng; Sun Changhui; Cao Xiaorong; Han Qiqi; Kong Yiye; Xu Caixia

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MnO nanoflower network anchored on lamellar carbon: A high-performance cathode for aqueous zinc-ion batteries

Updated：2026-09-17

- MnO nanoflower network anchored on lamellar carbon: A high-performance cathode for aqueous zinc-ion batteries
- Chinese Journal of Chemical Engineering Vol. 95, Issue 7, Pages: 50-59(2026)
- Affiliations：
  
  Department of Chemistry, Qilu Normal University, Jinan 250011, China
  Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, China
- Author bio：
  
  *Corresponding author.E-mail address:limenghua668@126.com(M. Li).
- Funds：
- DOI：
  CLC：
- Received：15 December 2025，
  
  Revised：2026-02-12，
  
  Accepted：04 March 2026，
  
  Online First：08 April 2026，
  
  Published：2026-07
- Accepted：
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Li Menghua, Liu Xinzheng, Sun Changhui, et al. MnO nanoflower network anchored on lamellar carbon: A high-performance cathode for aqueous zinc-ion batteries[J]. Chinese Journal of Chemical Engineering, 2026, 95(7): 50-59.
DOI：

Li Menghua, Liu Xinzheng, Sun Changhui, et al. MnO nanoflower network anchored on lamellar carbon: A high-performance cathode for aqueous zinc-ion batteries[J]. Chinese Journal of Chemical Engineering, 2026, 95(7): 50-59. DOI：

摘要

Abstract

Aqueous zinc-ion batteries (AZIBs) have emerged as a promising a

lternative in the field of energy storage due to their lower cost

enhanced safety

and environmental friendliness. However

the development of efficient and stable cathode materials remains a significant challenge. In this work

the MnO nanoflower network anchored on a two-dimensional lamellar carbon (MnO NN/LC) was synthesized

via

metal-organic framework-derived method. The lamellar carbon serving as the 2D conductive matrix facilitates faster ion diffusion and electron transfer

resulting in superior zinc storage performance. MnO NN/LC displays larger reversible capacity

superior rate capability

and much higher cycling stability compared to traditional bulky MnO/C (B-MnO/C) material. Especially

the MnO NN/LC demonstrates long-term cycling stability with the retained capacity as high as 104.2 mA·h·g

- 1

after 1400 cycles at 1 A·g

- 1

presenting substantial enhancement over the capacity of 75.7 mA·h·g

- 1

for B-MnO/C. Ex-situ experiments indicate that MnO during the zinc ion storage is electrochemically oxidized into MnO

species

and actually facilitates the intercalation/deintercalation of H

and Zn

. These findings underscore the potential of the MnO NN/LC composite as a promising cathode material for AZIBs.

关键词

Keywords

references

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