A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor
Abstract Inspired by the significant advantages of the bottom‐up synthesis whose structures and functionalities can be customized by the selection of molecular components, a 2D metal‐organic framework (MOF) nanosheet Co‐BTB‐LB has been synthesized by a liquid–liquid interface‐assisted method. The as...
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| Format: | Article |
| Language: | English |
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Wiley
2023-06-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202207545 |
| _version_ | 1797796991892193280 |
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| author | Qian Liu Zengqi Guo Cong Wang Su Guo Zhiwei Xu Chenguang Hu Yujing Liu Yalei Wang Jun He Wai‐Yeung Wong |
| author_facet | Qian Liu Zengqi Guo Cong Wang Su Guo Zhiwei Xu Chenguang Hu Yujing Liu Yalei Wang Jun He Wai‐Yeung Wong |
| author_sort | Qian Liu |
| collection | DOAJ |
| description | Abstract Inspired by the significant advantages of the bottom‐up synthesis whose structures and functionalities can be customized by the selection of molecular components, a 2D metal‐organic framework (MOF) nanosheet Co‐BTB‐LB has been synthesized by a liquid–liquid interface‐assisted method. The as‐prepared Co‐BTB‐LB is identified by scanning electron microscopy/energy dispersive spectroscopy (SEM/EDX) and X‐ray photoelectron spectroscopy (XPS), and the sheet‐like structure is verified by scanning electron microscopy (SEM), high‐resolution transmission electron microscopy (HRTEM), and atomic force microscopy (AFM). Co‐BTB‐LB electrode exhibits an excellent capacity of 4969.3 F g−1 at 1 A g−1 and good cycling stability with 75% capacity retention after 1000 cycles. The asymmetric supercapacitor device with Co‐BTB‐LB as the positive electrode shows a maximum energy density of 150.2 Wh kg−1 at a power density of 1619.2 W kg−1 and good cycling stability with a capacitance retention of 97.1% after 10000 cycles. This represents a state‐of‐the‐art performance reported for asymmetric supercapacitor device using electroactive bottom‐up metal‐complex nanosheet, which will clearly lead to a significant expansion of the applicability of this type of 2D nanomaterials. |
| first_indexed | 2024-03-13T03:41:23Z |
| format | Article |
| id | doaj.art-457d6572e4f24838bcf1e95325fecde9 |
| institution | Directory Open Access Journal |
| issn | 2198-3844 |
| language | English |
| last_indexed | 2024-03-13T03:41:23Z |
| publishDate | 2023-06-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj.art-457d6572e4f24838bcf1e95325fecde92023-06-23T07:34:34ZengWileyAdvanced Science2198-38442023-06-011018n/an/a10.1002/advs.202207545A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric SupercapacitorQian Liu0Zengqi Guo1Cong Wang2Su Guo3Zhiwei Xu4Chenguang Hu5Yujing Liu6Yalei Wang7Jun He8Wai‐Yeung Wong9Anhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaAnhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaAnhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaAnhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaAnhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaAnhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaAnhui Province Key Laboratory of Functional Coordinated Complexes for Materials Chemistry and Application School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu 241000 P. R. ChinaDepartment of Applied Biology and Chemical Technology and Research Institute for Smart Energy The Hong Kong Polytechnic University Hung Hom, Kowloon Hong Kong P. R. ChinaSchool of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P.R. ChinaDepartment of Applied Biology and Chemical Technology and Research Institute for Smart Energy The Hong Kong Polytechnic University Hung Hom, Kowloon Hong Kong P. R. ChinaAbstract Inspired by the significant advantages of the bottom‐up synthesis whose structures and functionalities can be customized by the selection of molecular components, a 2D metal‐organic framework (MOF) nanosheet Co‐BTB‐LB has been synthesized by a liquid–liquid interface‐assisted method. The as‐prepared Co‐BTB‐LB is identified by scanning electron microscopy/energy dispersive spectroscopy (SEM/EDX) and X‐ray photoelectron spectroscopy (XPS), and the sheet‐like structure is verified by scanning electron microscopy (SEM), high‐resolution transmission electron microscopy (HRTEM), and atomic force microscopy (AFM). Co‐BTB‐LB electrode exhibits an excellent capacity of 4969.3 F g−1 at 1 A g−1 and good cycling stability with 75% capacity retention after 1000 cycles. The asymmetric supercapacitor device with Co‐BTB‐LB as the positive electrode shows a maximum energy density of 150.2 Wh kg−1 at a power density of 1619.2 W kg−1 and good cycling stability with a capacitance retention of 97.1% after 10000 cycles. This represents a state‐of‐the‐art performance reported for asymmetric supercapacitor device using electroactive bottom‐up metal‐complex nanosheet, which will clearly lead to a significant expansion of the applicability of this type of 2D nanomaterials.https://doi.org/10.1002/advs.2022075452D materialbottom‐up methodelectrochemistryMOF nanosheetsupercapacitor |
| spellingShingle | Qian Liu Zengqi Guo Cong Wang Su Guo Zhiwei Xu Chenguang Hu Yujing Liu Yalei Wang Jun He Wai‐Yeung Wong A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor Advanced Science 2D material bottom‐up method electrochemistry MOF nanosheet supercapacitor |
| title | A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor |
| title_full | A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor |
| title_fullStr | A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor |
| title_full_unstemmed | A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor |
| title_short | A Cobalt‐Based Metal‐Organic Framework Nanosheet as the Electrode for High‐Performance Asymmetric Supercapacitor |
| title_sort | cobalt based metal organic framework nanosheet as the electrode for high performance asymmetric supercapacitor |
| topic | 2D material bottom‐up method electrochemistry MOF nanosheet supercapacitor |
| url | https://doi.org/10.1002/advs.202207545 |
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