Chae Changju, Jeong Sunho
Division of Advanced Materials, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea.
Department of Advanced Materials Engineering for Information and Electronics, and Integrated Education Institute for Frontier Science & Technology (BK21 Four), Kyung Hee University, Yongin-si 17104, Korea.
Nanomaterials (Basel). 2022 Apr 14;12(8):1351. doi: 10.3390/nano12081351.
The nanostructured tin monosulfide/carbon composites were synthesized by a simple wet chemical synthesis approach. It was revealed that the 3D flower-like tin monosulfide nanoparticles are usable as an active anode material for sodium-ion batteries, exhibiting a specific capacity of 480.4 mAh/g. The 3D flower-like tin monosulfide nanoparticles were wrapped with reduced graphene oxide sheets by a solvothermal heterogeneous synthetic method. By incorporating the reduced graphene oxide sheets as a mechanically flexible and electrically conductive additive, a specific capacity of 633.2 mAh/g was obtained from tin monosulfide/carbon nanocomposite anodes, providing an excellent rate capability even at a high current density condition of 5000 mA/g.
通过一种简单的湿化学合成方法合成了纳米结构的硫化亚锡/碳复合材料。结果表明，三维花状硫化亚锡纳米颗粒可用作钠离子电池的活性负极材料，比容量为480.4 mAh/g。采用溶剂热异质合成法将三维花状硫化亚锡纳米颗粒用还原氧化石墨烯片包裹。通过引入还原氧化石墨烯片作为机械柔性和导电添加剂，硫化亚锡/碳纳米复合负极的比容量达到633.2 mAh/g，即使在5000 mA/g的高电流密度条件下也具有优异的倍率性能。
