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Manganese-based Prussian blue (MnHCF) is a highly promising cathode material for sodium- and potassium-ion batteries due to its high working voltage and two-electron redox mechanism, and its electrochemical performance can be effectively improved through synthesis optimization, elemental doping, and surface modulation to overcome inherent structural challenges. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

December 30, 2025Chinese Science Bulletin (Chinese Version)1 citations

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Research progress on manganese-based Prussian blue as a cathode for sodium/potassium-ion batteries

JWJie WangQingdao University of Science and Technology CXChao Xing QYQi YangNanjing Normal University

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钠离子电池(SIBs)和钾离子电池(PIBs)因原料丰富、成本低廉, 被视为锂离子电池的潜在替代体系. 然而, 兼具高比容量、高工作电压和长循环寿命的正极材料的缺失, 仍是制约其商业化应用的关键. 普鲁士蓝类似物(PBAs)作为一类由过渡金属离子与氰基配体桥联形成的开放式框架材料, 因其独特的三维通道结构、可调的化学组成和低廉的制备成本, 在电化学储能领域备受关注. 其中锰基普鲁士蓝(MnHCF)因合成简易、双电子氧化还原机制和高工作电压优势, 成为SIBs/PIBs正极材料研究热点, 但仍面临多重挑战: Mn3+的电子不对称性引发Jahn–Teller畸变, 导致晶格塌陷和结构退化; 材料合成中结晶水与空位缺陷占据碱金属位点, 降低可逆容量与循环寿命; 充放电过程中Mn2+溶出引发活性物质损失及副反应等. 近年来, 研究人员通过多种策略有效改善了MnHCF的电化学性能, 包括合成优化、元素掺杂、表面调制等. 本综述旨在系统总结MnHCF在SIBs/PIBs中的合成方法、工作机理及优化策略, 并展望未来研究方向和应用前景, 为PBAs的未来发展和商业化应用提供参考.

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Research progress on manganese-based Prussian blue as a cathode for sodium/potassium-ion batteries

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