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|Title:||Approaching the lithiation limit of MoS2 while maintaining its layered crystalline structure to improve lithium storage||Authors:||Zhu, Zhiqiang
Leow, Wan Ru
|Keywords:||Engineering::Materials||Issue Date:||2019||Source:||Zhu, Z., Tang, Y., Leow, W. R., Xia, H., Lv, Z., Wei, J., . . . Chen, X. (2019). Approaching the Lithiation Limit of MoS2 While Maintaining Its Layered Crystalline Structure to Improve Lithium Storage. Angewandte Chemie International Edition, 58(11), 3521–3526. doi:10.1002/anie.201813698||Journal:||Angewandte Chemie International Edition||Abstract:||MoS2 holds great promise as high-rate electrode for lithium-ion batteries since its large interlayer can allow fast lithium diffusion in 3.0-1.0 V. However, the low theoretical capacity (167 mAh g-1 ) limits its wide application. Here, by fine tuning the lithiation depth of MoS2 , we demonstrate that its parent layered structure can be preserved with expanded interlayers while cycling in 3.0-0.6 V. The deeper lithiation and maintained crystalline structure endows commercially micrometer-sized MoS2 with a capacity of 232 mAh g-1 at 0.05 A g-1 and circa 92 % capacity retention after 1000 cycles at 1.0 A g-1 . Moreover, the enlarged interlayers enable MoS2 to release a capacity of 165 mAh g-1 at 5.0 A g-1 , which is double the capacity obtained under 3.0-1.0 V at the same rate. Our strategy of controlling the lithiation depth of MoS2 to avoid fracture ushers in new possibilities to enhance the lithium storage of layered transition-metal dichalcogenides.||URI:||https://hdl.handle.net/10356/144550||ISSN:||1433-7851||DOI:||10.1002/anie.201813698||Rights:||This is the accepted version of the following article: Zhu, Z., Tang, Y., Leow, W. R., Xia, H., Lv, Z., Wei, J., . . . Chen, X. (2019). Approaching the Lithiation Limit of MoS2 While Maintaining Its Layered Crystalline Structure to Improve Lithium Storage. Angewandte Chemie International Edition, 58(11), 3521–3526., which has been published in final form at doi:10.1002/anie.201813698. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||MSE Journal Articles|
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