Journal
APPLIED ORGANOMETALLIC CHEMISTRY
Volume 36, Issue 6, Pages -Publisher
WILEY
DOI: 10.1002/aoc.6699
Keywords
asymmetric device; bimetallic MOFs; electrode materials; energy storage; supercapacitor
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Funding
- National Research Foundation of Korea [2020R1A2B5B01002744, 2020R1A4A1019227, 2021R1I1A3059469, 2020R1A2C1012439]
- National Research Foundation of Korea [2021R1I1A3059469] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, a new bimetallic metal-organic framework (BMOF) electrode was successfully developed using a solvo-hydrothermal strategy. The electrode exhibited significant capacitance and excellent energy and power densities, with good capacity retention after cycling, providing a viable approach for fabricating hybrid electrode materials for high-performance energy storage systems.
Bimetallic metal-organic frameworks (BMOFs) have developed as novel candidates for electrodes due to their high-performance energy storage applications. We attempted to develop a new three-dimensional (3D) ordered structure of nickel-zinc MOFs (NZMOF), grown in situ on carbon cloth (NZMOF/CC) using a solvo-hydrothermal strategy to increase the stored energy. A notable capacitance of 456.8 F/g was achieved for this electrode at 1 A/g. In addition, the NZMOF/CC//AC/CC assembled split-cell asymmetric supercapacitor device (SASD) achieved an excellent energy and power densities of 38.54 Wh/kg and 750 W/kg, respectively, with a capacity retention of 87.27% after 5000 cycles, which is better than that of conventional supercapacitors. Additionally, this study is easy and controllable, providing a viable approach for fabricating hybrid electrode materials for high-performance energy storage systems.
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