硫化钴@碳/碳纤维布复合材料的制备及其储锂性能研究任务书

 2021-10-23 09:10

1. 毕业设计(论文)的内容和要求

锂离子电池由于其高能量密度、长寿命和环境无毒性,广泛应用于便携式电子设备和电动汽车中,然而目前常用的碳材料容量较低 (石墨为372 mAhg-1),进一步限制锂离子电池能量密度的提升。

在迄今为止研究的众多负极材料中,过渡金属硫化物,如FeS2、MnS、NiS2和VS2由于具有高容量和更快的反应动力学而成为研究的热点。

例如,硫化钴(CoS、CoS2、Co3S4和Co9S8)通常具有高达500-700 mAh g-1的理论容量。

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2. 参考文献

1 Dunn, B., Kamath, H. MWCNT nanocomposites for sodium-ion batteries. Chemical Communications 51, 10486-10489, doi:10.1039/c5cc02564h (2015).19 Peng, S. et al. Unique Cobalt Sulfide/Reduced Graphene Oxide Composite as an Anode for Sodium-Ion Batteries with Superior Rate Capability and Long Cycling Stability. Small 12, 1359-1368, doi:10.1002/smll.201502788 (2016).20 Zhou, Q. et al. Co3S4@polyaniline nanotubes as high-performance anode materials for sodium ion batteries. Journal of Materials Chemistry A 4, 5505-5516, doi:10.1039/c6ta01497f (2016).21 Guo, Q. et al. Cobalt Sulfide Quantum Dot Embedded N/S-Doped Carbon Nanosheets with Superior Reversibility and Rate Capability for Sodium-Ion Batteries. ACS nano 11, 12658-12667, doi:10.1021/acsnano.7b07132 (2017).22 Ko, Y. N. carbon composite as anode materials with improved Na-storage performance. Carbon 94, 85-90, doi:10.1016/j.carbon.2015.06.064 (2015).23 Xiao, Y., Hwang, J.-Y., Belharouak, I. Sun, Y.-K. Superior Li/Na-storage capability of a carbon-free hierarchical CoS x hollow nanostructure. Nano Energy 32, 320-328, doi:10.1016/j.nanoen.2016.12.053 (2017).24 Li, Q. et al. Self-adaptive mesoporous CoS@alveolus-like carbon yolk-shell microsphere for alkali cations storage. Nano Energy 41, 109-116, doi:10.1016/j.nanoen.2017.09.022 (2017).

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