Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, PR China.
Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, PR China.
J Colloid Interface Sci. 2017 Sep 1;501:267-272. doi: 10.1016/j.jcis.2017.04.071. Epub 2017 Apr 24.
Nanoporous networks of tin-based alloys immobilized within carbon matrices possess unique structural and compositional superiorities toward lithium-storage, and are expected to manifest improved strain-accommodation and charge-transport capabilities and thus desirable anodic performance for advanced lithium-ion batteries (LIBs). Herein, a facile and scalable hybrid aerogel-derived thermal-autoreduction route has been developed for the construction of nanoporous network of SnNi alloy immobilized within carbon/graphene dual matrices (SnNi@C/G network). When applied as an anode material for LIBs, the SnNi@C/G network manifests desirable lithium-storage performances in terms of specific capacities, cycle life, and rate capability. The facile aerogel-derived route and desirable Li-storage performance of the SnNi@C/G network facilitate its practical application as a high-capacity, long-life, and high-rate anode material for advanced LIBs.
锡基合金的纳米多孔网络被固定在碳基质内，具有独特的结构和组成优势，有利于锂存储，预计将表现出改善的应变适应性和电荷传输能力，从而为先进的锂离子电池 (LIBs) 提供理想的阳极性能。在此，开发了一种简便且可扩展的混合气凝胶衍生的热自还原途径，用于构建固定在碳/石墨烯双基质内的纳米多孔 SnNi 合金网络 (SnNi@C/G 网络)。当用作 LIBs 的阳极材料时，SnNi@C/G 网络在比容量、循环寿命和倍率性能方面表现出理想的锂存储性能。SnNi@C/G 网络简便的气凝胶衍生途径和理想的 Li 存储性能促进了其作为用于先进 LIBs 的高容量、长寿命和高倍率阳极材料的实际应用。
