In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor
A new intercalation-type anode material is reported herein to improve the lithium storage kinetics for high-rate lithium ion capacitors. The crystal structure of orthorhombic NaNbO3 indicates two possible tunnels for lithium ions insertion into NaNbO3 host along the <101> and <141> direc...
| Main Authors: | , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2022
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| Online Access: | https://hdl.handle.net/10356/159985 |
| _version_ | 1826119154779815936 |
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| author | Zou, Bobo Wang, Ting Li, Shengyuan Kang, Rong Li, Guochun El-Khodary, Sherif A. Ng, Dickon H. L. Liu, Xianhu Qiu, Jingxia Zhao, Yan Lian, Jiabiao Li, Huaming |
| author2 | Interdisciplinary Graduate School (IGS) |
| author_facet | Interdisciplinary Graduate School (IGS) Zou, Bobo Wang, Ting Li, Shengyuan Kang, Rong Li, Guochun El-Khodary, Sherif A. Ng, Dickon H. L. Liu, Xianhu Qiu, Jingxia Zhao, Yan Lian, Jiabiao Li, Huaming |
| author_sort | Zou, Bobo |
| collection | NTU |
| description | A new intercalation-type anode material is reported herein to improve the lithium storage kinetics for high-rate lithium ion capacitors. The crystal structure of orthorhombic NaNbO3 indicates two possible tunnels for lithium ions insertion into NaNbO3 host along the <101> and <141> directions. Moreover, in situ XRD is conducted to investigate the lithium storage mechanism and structural evolution of the NaNbO3 anode, demonstrating its intercalation behavior through (101) and (141) planes. Furthermore, the rGO nanosheets are introduced to facilitate the charge transfer, which also effectively prevent the aggregation of NaNbO3 nanocubes. As expected, the NaNbO3/rGO nanocomposites possess remarkable reversible capacity (465 mA h g−1 at 0.1 A g−1), superior rate capability (325 mA h g−1 at 1.0 A g−1) and cycling stability, attributed to their synergistic effect and high Li+ diffusion coefficient DLi [D(NaNbO3/rGO)/D(NaNbO3) ≈ 31.54]. Remarkably, the NaNbO3/rGO-based LIC delivers a high energy density of 166.7 W h kg−1 at 112.4 W kg−1 and remains 24.1 W h kg−1 at an ultrahigh power density of 26621.2 W kg−1, with an outstanding cycling durability (90% retention over 3000 cycles at 1.0 A g−1). This study provides new insights on novel intercalation-type anode material to enrich the materials system of LICs. |
| first_indexed | 2024-10-01T04:55:28Z |
| format | Journal Article |
| id | ntu-10356/159985 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:55:28Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1599852022-07-13T01:49:11Z In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor Zou, Bobo Wang, Ting Li, Shengyuan Kang, Rong Li, Guochun El-Khodary, Sherif A. Ng, Dickon H. L. Liu, Xianhu Qiu, Jingxia Zhao, Yan Lian, Jiabiao Li, Huaming Interdisciplinary Graduate School (IGS) Nanyang Environment and Water Research Institute Engineering::Chemical engineering Lithium Ion Capacitor Intercalation-Type Anode A new intercalation-type anode material is reported herein to improve the lithium storage kinetics for high-rate lithium ion capacitors. The crystal structure of orthorhombic NaNbO3 indicates two possible tunnels for lithium ions insertion into NaNbO3 host along the <101> and <141> directions. Moreover, in situ XRD is conducted to investigate the lithium storage mechanism and structural evolution of the NaNbO3 anode, demonstrating its intercalation behavior through (101) and (141) planes. Furthermore, the rGO nanosheets are introduced to facilitate the charge transfer, which also effectively prevent the aggregation of NaNbO3 nanocubes. As expected, the NaNbO3/rGO nanocomposites possess remarkable reversible capacity (465 mA h g−1 at 0.1 A g−1), superior rate capability (325 mA h g−1 at 1.0 A g−1) and cycling stability, attributed to their synergistic effect and high Li+ diffusion coefficient DLi [D(NaNbO3/rGO)/D(NaNbO3) ≈ 31.54]. Remarkably, the NaNbO3/rGO-based LIC delivers a high energy density of 166.7 W h kg−1 at 112.4 W kg−1 and remains 24.1 W h kg−1 at an ultrahigh power density of 26621.2 W kg−1, with an outstanding cycling durability (90% retention over 3000 cycles at 1.0 A g−1). This study provides new insights on novel intercalation-type anode material to enrich the materials system of LICs. This work was supported by the Natural Science Foundation of Jiangsu Province (No. BK20170549), the National Natural Science Foundation of China (No. 21706103) and Postdoctoral Science Foundation of Jiangsu Province (No. 2019K295). 2022-07-07T03:06:17Z 2022-07-07T03:06:17Z 2021 Journal Article Zou, B., Wang, T., Li, S., Kang, R., Li, G., El-Khodary, S. A., Ng, D. H. L., Liu, X., Qiu, J., Zhao, Y., Lian, J. & Li, H. (2021). In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor. Journal of Energy Chemistry, 57, 109-117. https://dx.doi.org/10.1016/j.jechem.2020.08.037 2095-4956 https://hdl.handle.net/10356/159985 10.1016/j.jechem.2020.08.037 2-s2.0-85091996092 57 109 117 en Journal of Energy Chemistry © 2020 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved. |
| spellingShingle | Engineering::Chemical engineering Lithium Ion Capacitor Intercalation-Type Anode Zou, Bobo Wang, Ting Li, Shengyuan Kang, Rong Li, Guochun El-Khodary, Sherif A. Ng, Dickon H. L. Liu, Xianhu Qiu, Jingxia Zhao, Yan Lian, Jiabiao Li, Huaming In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor |
| title | In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor |
| title_full | In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor |
| title_fullStr | In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor |
| title_full_unstemmed | In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor |
| title_short | In situ XRD and electrochemical investigation on a new intercalation-type anode for high-rate lithium ion capacitor |
| title_sort | in situ xrd and electrochemical investigation on a new intercalation type anode for high rate lithium ion capacitor |
| topic | Engineering::Chemical engineering Lithium Ion Capacitor Intercalation-Type Anode |
| url | https://hdl.handle.net/10356/159985 |
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