二维过渡金属碳化物或氮化物(MXenes)因独特的层状结构和电子特征,在储能领域具有巨大的应用潜力。MXenes拥有丰富的表面化学官能团,可调的层间距和优异的机械性能,有望成为具有良好导电性、优良循环性能和倍率性能的新型钾离子电池负极材料。介绍了MXenes材料的储钾机理,综述了MXenes及其复合材料在钾离子电池中的应用进展,并对其未来发展方向进行了展望。
Two dimensional (2D) material MXenes have great potenetial in the field of energy storage due to their unique structural and electronic properties,and which have gradually become a research hotspot.MXenes with rich surface functional group,adjustable layer spacing and excellent mechanical properties are expected to become a new type of potassium ion batteries (PIBs) anode material,which exhibit good conductivity,excellent cycle performance and rate performance.The potassium storage mechanisms of MXenes were briefly introduced,and summarized the application of MXenes and its composite in PIBs.Besides,the future development direction of MXenes in PIBs was discussed.
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基金资助
江西省教育厅科学技术研究项目(GJJ171052)
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