化工学报

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水系Zn/MnO2体系中H+/Zn2+界面传输调控及反应机理研究进展

曹磊(), 许自晓, 徐晨轩, 邵卓, 季石宇()   

  1. 中国电建集团华东勘测设计研究院有限公司,浙江 杭州 311100
  • 收稿日期:2025-08-28 修回日期:2025-11-09 出版日期:2025-11-10
  • 通讯作者: 季石宇
  • 作者简介:曹磊(1987—),男,硕士,高级工程师,cao_l2@hdec.com

Research progress on the H+/Zn2+ interfacial transport regulation and reaction mechanisms in aqueous Zn/MnO2 system

Lei CAO(), Zixiao XU, Chenxuan XU, Zhuo SHAO, Shiyu JI()   

  1. PowerChina Huadong Engineering Corporation Limited, Hangzhou 311100, Zhejiang, China
  • Received:2025-08-28 Revised:2025-11-09 Online:2025-11-10
  • Contact: Shiyu JI

摘要:

水系Zn/MnO₂电池凭借高理论容量、高安全性和低成本等优势,已成为最具潜力的水系锌离子电池体系之一。尽管其阴极储能机制复杂,但H+/Zn2+界面传输行为已被证实对容量与循环稳定性具有关键影响。本文系统综述了Zn2+脱嵌、可逆质子反应、H+/Zn2+共嵌入及Mn4+/Mn2+两电子反应等多种反应机制,并总结了晶体结构调控、碳复合、表面修饰和缺陷工程等策略在优化H+/Zn2+传输动力学、提升反应可逆性与电池性能方面的研究进展。最后,对该体系正极材料的未来发展前景进行了展望,以期推动其实际应用。

关键词: 水系锌离子电池, 电化学, 二氧化锰, 界面, 正极材料, 纳米材料, 储能机理, 反应动力学

Abstract:

The aqueous Zn/MnO2 battery has become one of the most promising aqueous zinc ion battery systems due to its high theoretical capacity and safety, and low cost advantages. Although its cathode energy storage mechanism is complex, the H+/Zn2+ interface transport behavior has been proven to have a critical impact on capacity and cycling stability. This article is to provide a systematic review of various reaction mechanisms, including Zn2+ de-intercalation, reversible proton reactions, H+/Zn2+ co-intercalation, and two-electron Mn4+/Mn2+ redox, etc, and summaries the research progress of crystal structure regulation, carbon composites, surface modification, and defect engineering strategies in optimizing H+/Zn2+ transport kinetics, thereby improving reaction reversibility and enhancing battery performance. At last, the future development prospects of the positive electrode materials in this battery system are also discussed in order to promote its practical applications.

Key words: aqueous zinc-ion batteries, electrochemistry, MnO2, interface, cathode materials, nanomaterials, energy storage mechanisms, reaction kinetics

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