Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/104730
Title: | Double-shelled phosphorus and nitrogen codoped carbon nanospheres as efficient polysulfide mediator for high-performance lithium-sulfur batteries | Authors: | Wang, Jin Yang, Hao Chen, Zhen Zhang, Lili Liu, Jilei Liang, Pei Yang, Hui Shen, Xiaodong Shen, Ze Xiang |
Keywords: | Carbon Spheres Double Shelled Nanospheres DRNTU::Science::Physics |
Issue Date: | 2018 | Source: | Wang, J., Yang, H., Chen, Z., Zhang, L., Liu, J., Liang, P., ... Shen, Z. X. (2018). Double-Shelled Phosphorus and Nitrogen Codoped Carbon Nanospheres as Efficient Polysulfide Mediator for High-Performance Lithium-Sulfur Batteries. Advanced Science, 5(11), 1800621-. doi:10.1002/advs.201800621 | Series/Report no.: | Advanced Science | Abstract: | Lithium–sulfur batteries are regarded as very promising energy storage devices due to their high energy density, low cost, and environmental friendliness; however, their insulating properties and the instability of sulfur‐based electrodes impede the practical applications of Li–S batteries. Here, a versatile strategy to synthesize double‐shelled nitrogen and phosphorus codoped carbon spheres (NPDSCS) as an efficient sulfur host for Li–S batteries is reported. With strong trapping, good affinity, high adsorption for polysulfides, and the bifunctional catalyzing for sulfur redox processes, the developed NPDSCS cathodes with a high S loading of 72.4% exhibit large specific discharge capacity of 1326 mAh g−1 at 0.1C, high Coulombic efficiency, good rate capability, and excellent cycling performance with a reversible capacity of 814 mAh g−1 at 1C after 500 cycles. | URI: | https://hdl.handle.net/10356/104730 http://hdl.handle.net/10220/47397 |
DOI: | 10.1002/advs.201800621 | Rights: | © 2018 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Double-Shelled Phosphorus and Nitrogen Codoped Carbon Nanospheres as Efficient Polysulfide Mediator for High-Performance Lithium–Sulfur Batteries.pdf | 3.7 MB | Adobe PDF | ![]() View/Open |
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