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Title: Pie-like electrode design for high-energy density lithium–sulfur batteries
Authors: Li, Zhen
Zhang, Jin Tao
Chen, Yu Ming
Li, Ju
Lou, David Xiong Wen
Keywords: Design, Synthesis and Processing
DRNTU::Engineering::Chemical engineering
Issue Date: 2015
Source: Li, Z., Zhang, J. T., Chen, Y. M., Li, J., & Lou, D. X. W. (2015). Pie-like electrode design for high-energy density lithium–sulfur batteries. Nature Communications, 6, 8850-. doi:10.1038/ncomms9850
Series/Report no.: Nature Communications
Abstract: Owing to the overwhelming advantage in energy density, lithium–sulfur (Li–S) battery is a promising next-generation electrochemical energy storage system. Despite many efforts in pursuing long cycle life, relatively little emphasis has been placed on increasing the areal energy density. Herein, we have designed and developed a ‘pie’ structured electrode, which provides an excellent balance between gravimetric and areal energy densities. Combining lotus root-like multichannel carbon nanofibers ‘filling’ and amino-functionalized graphene ‘crust’, the free-standing paper electrode (S mass loading: 3.6 mg cm−2) delivers high specific capacity of 1,314 mAh g−1 (4.7 mAh cm−2) at 0.1 C (0.6 mA cm−2) accompanied with good cycling stability. Moreover, the areal capacity can be further boosted to more than 8 mAh cm−2 by stacking three layers of paper electrodes with S mass loading of 10.8 mg cm−2.
DOI: 10.1038/ncomms9850
Rights: © 2015 Macmillan Publishers Limited. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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