Zhang Lei, Zhao Kangning, Xu Wangwang, Dong Yifan, Xia Rui, Liu Fengning, He Liang, Wei Qiulong, Yan Mengyu, Mai Liqiang
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
Phys Chem Chem Phys. 2015 Mar 28;17(12):7619-23. doi: 10.1039/c5cp00150a.
Conversion/alloying reactions, in which more lithium ions are involved, are severely handicapped by the dramatic volume changes. A facile and versatile strategy has been developed for integrating the SnO2 nanorod array in the PPy nanofilm for providing a flexible confinement for anchoring each nanorod and maintaining the entire structural integrity and providing sustainable contact; therefore, exhibiting much more stable cycling stability (701 mA h g(-1) after 300 cycles) and better high-rate capability (512 mA h g(-1) at 3 A g(-1)) when compared with the core-shell SnO2-PPy NA.
涉及更多锂离子的转化/合金化反应因剧烈的体积变化而受到严重阻碍。已开发出一种简便且通用的策略，用于将SnO₂纳米棒阵列整合到聚吡咯纳米膜中，为锚定每个纳米棒提供灵活的限制并维持整个结构完整性，以及提供可持续的接触；因此，与核壳结构的SnO₂ - PPy纳米阵列相比，其表现出更稳定的循环稳定性（300次循环后为701 mA h g⁻¹）和更好的高倍率性能（在3 A g⁻¹时为512 mA h g⁻¹）。
