A high-performance lithium-ion capacitor based on 2D nanosheet materials
Lithium-ion capacitors (LICs) are promising electrical energy storage systems for mid-to-large-scale applications due to the high energy and large power output without sacrificing long cycle stability. However, due to the different energy storage mechanisms between anode and cathode, the energy dens...
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sg-ntu-dr.10356-1497472021-05-19T09:46:14Z A high-performance lithium-ion capacitor based on 2D nanosheet materials Li, Shaohui Chen, Jingwei Cui, Mengqi Cai, Guofa Wang, Jiangxin Cui, Peng Gong, Xuefei Lee, Pooi See School of Materials Science and Engineering Engineering::Materials 2D Materials Energy Storage Lithium-ion capacitors (LICs) are promising electrical energy storage systems for mid-to-large-scale applications due to the high energy and large power output without sacrificing long cycle stability. However, due to the different energy storage mechanisms between anode and cathode, the energy densities of LICs often degrade noticeably at high power density, because of the sluggish kinetics limitation at the battery-type anode side. Herein, a high-performance LIC by well-defined ZnMn2 O4 -graphene hybrid nanosheets anode and N-doped carbon nanosheets cathode is presented. The 2D nanomaterials offer high specific surface areas in favor of a fast ion transport and storage with shortened ion diffusion length, enabling fast charge and discharge. The fabricated LIC delivers a high specific energy of 202.8 Wh kg-1 at specific power of 180 W kg-1 , and the specific energy remains 98 Wh kg-1 even when the specific power achieves as high as 21 kW kg-1 . National Research Foundation (NRF) This work was financially supported by the National Research Foundation Competitive Research Programme, Award No. NRF-CRP-13-2014-02, and the NRF Investigatorship (NRFI), Award No. NRF-NRFI2016-05. 2021-05-19T09:46:14Z 2021-05-19T09:46:14Z 2017 Journal Article Li, S., Chen, J., Cui, M., Cai, G., Wang, J., Cui, P., Gong, X. & Lee, P. S. (2017). A high-performance lithium-ion capacitor based on 2D nanosheet materials. Small, 13(6), 1602893-. https://dx.doi.org/10.1002/smll.201602893 1613-6810 https://hdl.handle.net/10356/149747 10.1002/smll.201602893 27893190 2-s2.0-85006136419 6 13 1602893 en NRF-CRP-13-2014-02 NRF-NRFI2016-05 Small © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. |
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Engineering::Materials 2D Materials Energy Storage Li, Shaohui Chen, Jingwei Cui, Mengqi Cai, Guofa Wang, Jiangxin Cui, Peng Gong, Xuefei Lee, Pooi See A high-performance lithium-ion capacitor based on 2D nanosheet materials |
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Lithium-ion capacitors (LICs) are promising electrical energy storage systems for mid-to-large-scale applications due to the high energy and large power output without sacrificing long cycle stability. However, due to the different energy storage mechanisms between anode and cathode, the energy densities of LICs often degrade noticeably at high power density, because of the sluggish kinetics limitation at the battery-type anode side. Herein, a high-performance LIC by well-defined ZnMn2 O4 -graphene hybrid nanosheets anode and N-doped carbon nanosheets cathode is presented. The 2D nanomaterials offer high specific surface areas in favor of a fast ion transport and storage with shortened ion diffusion length, enabling fast charge and discharge. The fabricated LIC delivers a high specific energy of 202.8 Wh kg-1 at specific power of 180 W kg-1 , and the specific energy remains 98 Wh kg-1 even when the specific power achieves as high as 21 kW kg-1 . |
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School of Materials Science and Engineering |
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School of Materials Science and Engineering Li, Shaohui Chen, Jingwei Cui, Mengqi Cai, Guofa Wang, Jiangxin Cui, Peng Gong, Xuefei Lee, Pooi See |
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Article |
author |
Li, Shaohui Chen, Jingwei Cui, Mengqi Cai, Guofa Wang, Jiangxin Cui, Peng Gong, Xuefei Lee, Pooi See |
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Li, Shaohui |
title |
A high-performance lithium-ion capacitor based on 2D nanosheet materials |
title_short |
A high-performance lithium-ion capacitor based on 2D nanosheet materials |
title_full |
A high-performance lithium-ion capacitor based on 2D nanosheet materials |
title_fullStr |
A high-performance lithium-ion capacitor based on 2D nanosheet materials |
title_full_unstemmed |
A high-performance lithium-ion capacitor based on 2D nanosheet materials |
title_sort |
high-performance lithium-ion capacitor based on 2d nanosheet materials |
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2021 |
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https://hdl.handle.net/10356/149747 |
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1701270592117800960 |