Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries
Polymer‐based solid‐state electrolytes are shown to be highly promising for realizing low‐cost, high‐capacity, and safe Li batteries. One major challenge for polymer solid‐state batteries is the relatively high operating temperature (60–80 °C), which means operating such batteries will require signi...
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sg-ntu-dr.10356-1455692020-12-29T01:20:16Z Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries Yin, Xuesong Wang, Liu Kim, Yeongae Ding, Ning Kong, Junhua Safanama, Dorsasadat Zheng, Yun Xu, Jianwei Repaka, Durga Venkata Maheswar Hippalgaonkar, Kedar Lee, Seok Woo Adams, Stefan Zheng, Wesley Guangyuan School of Electrical and Electronic Engineering Engineering::Materials All‐solid‐state Lithium-sulfur Batteries Boron Nitride Polymer‐based solid‐state electrolytes are shown to be highly promising for realizing low‐cost, high‐capacity, and safe Li batteries. One major challenge for polymer solid‐state batteries is the relatively high operating temperature (60–80 °C), which means operating such batteries will require significant ramp up time due to heating. On the other hand, as polymer electrolytes are poor thermal conductors, thermal variation across the polymer electrolyte can lead to nonuniformity in ionic conductivity. This can be highly detrimental to lithium deposition and may result in dendrite formation. Here, a polyethylene oxide‐based electrolyte with improved thermal responses is developed by incorporating 2D boron nitride (BN) nanoflakes. The results show that the BN additive also enhances ionic and mechanical properties of the electrolyte. More uniform Li stripping/deposition and reversible cathode reactions are achieved, which in turn enable all‐solid‐state lithium–sulfur cells with superior performances. Agency for Science, Technology and Research (A*STAR) Ministry of Education (MOE) Published version X.Y. and L.W. contributed equally to this work. The authors acknowledge the technical support from Su Hui Lim, Tzee Luai Meng, Poh Chong Lim, Xueqi Koh, and Xiping Ni. X.Y. and G.W.Z. acknowledge support from Advanced Energy Storage Research Programme of Science and Engineering Research Council (Award numbers: 1229904044 and 1229904045), A*STAR (Agency for Science, Technology and Research), Singapore. L.W. and G.W.Z. acknowledge support by Singapore Ministry of Education Academic Research Fund Tier 1 R‐279‐000‐550‐133. D.V.M.R. and K.H. acknowledge funding from the Accelerated Materials Development for Manufacturing Program at A*STAR via the AME Programmatic Fund by the Agency for Science, Technology and Research under Grant No. A1898b0043. S.W.L. acknowledges the support by Singapore Ministry of Education Academic Research Fund Tier 2 grant MOE2018‐T2‐1‐045. 2020-12-29T01:20:16Z 2020-12-29T01:20:16Z 2020 Journal Article Yin, X., Wang, L., Kim, Y., Ding, N., Kong, J., Safanama, D., . . . Zheng, W. G. (2020). Thermal conductive 2D boron nitride for high‐performance all‐solid‐state lithium-sulfur batteries. Advanced Science, 7(19), 2001303-. doi:10.1002/advs.202001303 2198-3844 https://hdl.handle.net/10356/145569 10.1002/advs.202001303 33042749 19 7 en R‐279‐000‐550‐133 A1898b0043 MOE2018‐T2‐1‐045 Advanced Science © 2020 The Authors. Published by Wiley‐VCH GmbH. 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. application/pdf |
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Engineering::Materials All‐solid‐state Lithium-sulfur Batteries Boron Nitride |
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Engineering::Materials All‐solid‐state Lithium-sulfur Batteries Boron Nitride Yin, Xuesong Wang, Liu Kim, Yeongae Ding, Ning Kong, Junhua Safanama, Dorsasadat Zheng, Yun Xu, Jianwei Repaka, Durga Venkata Maheswar Hippalgaonkar, Kedar Lee, Seok Woo Adams, Stefan Zheng, Wesley Guangyuan Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
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Polymer‐based solid‐state electrolytes are shown to be highly promising for realizing low‐cost, high‐capacity, and safe Li batteries. One major challenge for polymer solid‐state batteries is the relatively high operating temperature (60–80 °C), which means operating such batteries will require significant ramp up time due to heating. On the other hand, as polymer electrolytes are poor thermal conductors, thermal variation across the polymer electrolyte can lead to nonuniformity in ionic conductivity. This can be highly detrimental to lithium deposition and may result in dendrite formation. Here, a polyethylene oxide‐based electrolyte with improved thermal responses is developed by incorporating 2D boron nitride (BN) nanoflakes. The results show that the BN additive also enhances ionic and mechanical properties of the electrolyte. More uniform Li stripping/deposition and reversible cathode reactions are achieved, which in turn enable all‐solid‐state lithium–sulfur cells with superior performances. |
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School of Electrical and Electronic Engineering |
author_facet |
School of Electrical and Electronic Engineering Yin, Xuesong Wang, Liu Kim, Yeongae Ding, Ning Kong, Junhua Safanama, Dorsasadat Zheng, Yun Xu, Jianwei Repaka, Durga Venkata Maheswar Hippalgaonkar, Kedar Lee, Seok Woo Adams, Stefan Zheng, Wesley Guangyuan |
format |
Article |
author |
Yin, Xuesong Wang, Liu Kim, Yeongae Ding, Ning Kong, Junhua Safanama, Dorsasadat Zheng, Yun Xu, Jianwei Repaka, Durga Venkata Maheswar Hippalgaonkar, Kedar Lee, Seok Woo Adams, Stefan Zheng, Wesley Guangyuan |
author_sort |
Yin, Xuesong |
title |
Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
title_short |
Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
title_full |
Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
title_fullStr |
Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
title_full_unstemmed |
Thermal conductive 2D boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
title_sort |
thermal conductive 2d boron nitride for high‐performance all‐solid-state lithium-sulfur batteries |
publishDate |
2020 |
url |
https://hdl.handle.net/10356/145569 |
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1688665595665448960 |