Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition
Reversible electrochemical mirror (REM) electrochromic devices based on reversible metal electrodeposition are exciting alternatives compared with conventional electrochromic because they offer electrochemical tunability in multiple optical states, long durability, and high contrast. Different from...
| 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/10356/159815 |
| _version_ | 1826112218784071680 |
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| author | Eh, Alice Lee-Sie Chen, Jingwei Zhou, Xinran Ciou, Jing-Hao Lee, Pooi See |
| author2 | School of Materials Science and Engineering |
| author_facet | School of Materials Science and Engineering Eh, Alice Lee-Sie Chen, Jingwei Zhou, Xinran Ciou, Jing-Hao Lee, Pooi See |
| author_sort | Eh, Alice Lee-Sie |
| collection | NTU |
| description | Reversible electrochemical mirror (REM) electrochromic devices based on reversible metal electrodeposition are exciting alternatives compared with conventional electrochromic because they offer electrochemical tunability in multiple optical states, long durability, and high contrast. Different from conventional electrochromic materials, of which the color change depends on the intercalation/deintercalation of ions into electrochromic films, the change in the optical states of REMs is based on the reversible electrodeposition and dissolution of metal. In this study, a REM electrochromic device with a Cu hybrid electrolyte composed of aqueous and nonaqueous components is proposed, which serves as an electrolyte reservoir that hosts Cu ions for reversible electrodeposition/dissolution. The hybrid electrolyte promotes the electrochemical reversibility of the Cu redox, an enhanced electrochromic performance, and a robust cycling stability of 5000 cycles (minor degradation of 4.71%). The investigation of the discharging/charging of the Cu hybrid REM device reveals that the Cl-/ClO- redox mechanism occurs at the cathode. Finally, an unprecedented dual-functional Cu hybrid REM energy storage device has been realized. |
| first_indexed | 2024-10-01T03:03:22Z |
| format | Journal Article |
| id | ntu-10356/159815 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:03:22Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1598152023-07-14T16:05:01Z Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition Eh, Alice Lee-Sie Chen, Jingwei Zhou, Xinran Ciou, Jing-Hao Lee, Pooi See School of Materials Science and Engineering Singapore-HUJ Alliance for Research and Enterprise (SHARE) Nanomaterials for Energy and Energy-Water Nexus (NEW) Campus for Research Excellence and Technological Enterprise (CREATE) Engineering::Materials Deep Eutectic Solvents Dynamic Windows Reversible electrochemical mirror (REM) electrochromic devices based on reversible metal electrodeposition are exciting alternatives compared with conventional electrochromic because they offer electrochemical tunability in multiple optical states, long durability, and high contrast. Different from conventional electrochromic materials, of which the color change depends on the intercalation/deintercalation of ions into electrochromic films, the change in the optical states of REMs is based on the reversible electrodeposition and dissolution of metal. In this study, a REM electrochromic device with a Cu hybrid electrolyte composed of aqueous and nonaqueous components is proposed, which serves as an electrolyte reservoir that hosts Cu ions for reversible electrodeposition/dissolution. The hybrid electrolyte promotes the electrochemical reversibility of the Cu redox, an enhanced electrochromic performance, and a robust cycling stability of 5000 cycles (minor degradation of 4.71%). The investigation of the discharging/charging of the Cu hybrid REM device reveals that the Cl-/ClO- redox mechanism occurs at the cathode. Finally, an unprecedented dual-functional Cu hybrid REM energy storage device has been realized. National Research Foundation (NRF) Published version This research was supported by the National Research Foundation, the Prime Minister’s Office, Singapore, under its Campus for Research Excellence and Technological Enterprise (CREATE) program. 2022-07-04T03:06:53Z 2022-07-04T03:06:53Z 2021 Journal Article Eh, A. L., Chen, J., Zhou, X., Ciou, J. & Lee, P. S. (2021). Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition. ACS Energy Letters, 6(12), 4328-4335. https://dx.doi.org/10.1021/acsenergylett.1c01632 2380-8195 https://hdl.handle.net/10356/159815 10.1021/acsenergylett.1c01632 2-s2.0-85119439707 12 6 4328 4335 en ACS Energy Letters © 2021 The Authors. Published by American Chemical Society. This is an open-access article distributed under the terms of the Creative Commons Attribution License. application/pdf |
| spellingShingle | Engineering::Materials Deep Eutectic Solvents Dynamic Windows Eh, Alice Lee-Sie Chen, Jingwei Zhou, Xinran Ciou, Jing-Hao Lee, Pooi See Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition |
| title | Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition |
| title_full | Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition |
| title_fullStr | Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition |
| title_full_unstemmed | Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition |
| title_short | Robust trioptical-state electrochromic energy storage device enabled by reversible metal electrodeposition |
| title_sort | robust trioptical state electrochromic energy storage device enabled by reversible metal electrodeposition |
| topic | Engineering::Materials Deep Eutectic Solvents Dynamic Windows |
| url | https://hdl.handle.net/10356/159815 |
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