Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time.These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g^(-1) at 5...Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time.These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g^(-1) at 500 mA g^(-1) with a high capacity retention of 72.5%after 150 cycles and exhibit excellent rate capabilities.The significant capacitive contribution in the total Na+storage of the SnSe electrode is identified,which should account for its superior rate performance.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(No.51772142)the Development and Reform Commission of Shenzhen Municipality(Novel Nanomaterial Discipline Construction Plan)+2 种基金the Shenzhen Science and Technology Innovation Committee(No.JCYJ20170412152528921,KQJSCX_(2)0170328155428476)support from the National Natural Science Foundation of China(No.21471160)the Taishan Scholar Program of Shandong Province of China.
文摘Yolk-shell structured SnSe nanoparticles have been investigated as anode materials in Na-ion batteries for the first time.These SnSe nanoparticles can deliver an initial de-sodiation capacity of 355.8 mA h g^(-1) at 500 mA g^(-1) with a high capacity retention of 72.5%after 150 cycles and exhibit excellent rate capabilities.The significant capacitive contribution in the total Na+storage of the SnSe electrode is identified,which should account for its superior rate performance.
