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Hollow C@TiO2 array nanospheres as efficient sulfur hosts for lithium–sulfur batteries
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2020-09-17 , DOI: 10.1039/d0se01061h
Sheng-You Qiu 1, 2, 3, 4 , Chuang Wang 1, 2, 3, 4 , Li-Su Zhang 4, 5, 6, 7, 8 , Liang-Liang Gu 1, 2, 3, 4 , Zai-Xing Jiang 1, 2, 3, 4 , Jian Gao 4, 5, 6, 7, 8 , Joshua Sokolowski 9, 10, 11, 12, 13 , Gang Wu 9, 10, 11, 12, 13 , Xiao-Dong Zhu 1, 2, 3, 4, 5
Affiliation  

Herein, hollow core–shell C@TiO2 array nanospheres were synthesized as advanced sulfur hosts and realized much-improved electrochemical performance. Specifically, hollow buffer structures can encapsulate sulfur, while the polar TiO2 nanoarray is able to provide intense chemisorption towards polysulfides, synergistically easing the shuttle effect. Consequently, the C@TiO2/S cathode delivered a low fading rate of 0.055% per cycle for 500 cycles.

中文翻译:

中空的C @ TiO2阵列纳米球作为锂硫电池的有效硫主体

在这里,空心壳C @ TiO 2阵列纳米球被合成为先进的硫主体,并实现了大大提高的电化学性能。具体而言,中空的缓冲结构可以封装硫,而极性TiO 2纳米阵列则能够提供对多硫化物的强烈化学吸附,从而协同缓解穿梭效应。因此,C @ TiO 2 / S阴极在500个循环中每个循环的衰减率仅为0.055%。
更新日期:2020-10-06
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