普鲁士蓝类材料在钠离子电池中的研究进展

摘要

近年来,钠离子电池以其独特的优势引起了研究者广泛的关注,有望成为下一代可商业化的储能设备.然而,钠离子电池的发展也面临着诸多的挑战.以普鲁士蓝为代表的新型储能材料,具有开放式框架体系和多孔道结构,能容纳钠离子自由快速脱嵌,从而有效提高钠离子电池的电化学性能.本文从制备工艺、材料机理、修饰方法三方面综述了普鲁士蓝材料在钠离子电池领域的应用现状.特别介绍了迁移离子、过渡金属、结合水与空位对钠离子电池电化学性能的影响.同时,总结了基于普鲁士蓝类材料的水性电池、杂化电池和适配电解液的研究现状.最后,对目前应用中存在的问题和研究重点做了简要评论,展望了该研究领域下一步的发展方向和应用前景.%Recently,the attention to sodium-ion batteries (SIBs) has been aroused on the next generation energy storage systems applications,due to their specific advantages.However,the development of SIBs remains significant challenges.Owing to their open frameworks and porous channels for Na + fast migration,the Prussian blue analogues (PBs) materials can effectively improve the electrochemical performance of SIBs.Herein,we summarize the recent advances and applications of PBs materials for SIBs in terms of preparation process,electronic mechanism and modification technology.The effects of migration ions,transition metals,bound water and vacancy on the electrochemical performance of SIBs are particularly introduced.Moreover,we summarize the research progress on the PBs-based aqueous SIBs,hybrid batteries and appropriate electrolyte.Further,the current difficulties and future research directions of the PBs-based SIBs are also discussed to give an outlook of the prospect trends and application potentials in energy storage systems.