材料科学
阴极
阳极
电化学
电极
碳纳米管
化学工程
储能
电导率
纳米技术
纳米管
碳纤维
热稳定性
复合材料
复合数
化学
物理化学
工程类
功率(物理)
物理
量子力学
作者
Wen-Long Ma,Yue Zhou,Xiaowen Zhao,Xin Cao,Ping Wu,Xiaoshu Zhu,Shaohua Wei,Kang Sun,Haoshen Zhou,Yiming Zhou
标识
DOI:10.1021/acsami.4c02565
摘要
Sodium-ion batteries (SIBs) represent a promising energy storage technology with great safety. Because of their high operating potential, superior structural stability, and prominent thermal stability, polyanion-type phosphates have garnered significant interest in superior prospective cathode materials for SIBs. Nevertheless, the disadvantages of poor intrinsic electronic conductivity, sluggish kinetics, and volume variation during sodiation/desodiation remain great challenges for satisfactory rate performance and cycle stability, which severely hinder their further practical applications. In this work, by adjusting the amounts of pretreated multiwalled carbon nanotubes (CNT) added intentionally at the beginning of the preparation, biphasic polyanion-type phosphate materials (marked as NFC) are synthesized through a one-pot solid state reaction methodology, which are composed of CNT-interwoven Na
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