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| Preparation and electrochemical properties of NiCoP/polypyrrole/carbon cloth by electrodeposition |
| Author Name | Affiliation | E-mail | | BAO Huirong | State Key Laboratory of Flexible Electronics (LoFE), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China | | | YANG Jun | Aerospace Newsky Technology Co., Ltd., Wuxi, Jiangsu 214062, China | | | FENG Xiaomiao | State Key Laboratory of Flexible Electronics (LoFE), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China | iamxmfeng@njupt.edu.cn |
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| Abstract: The NiCoP/PPy/CC composite material composed of nickel-cobalt bimetallic phosphide (NiCoP) and polypyrrole (PPy) was constructed on the surface of carbon cloth (CC) by one-step electrodeposition, and the effect of the addition amount of pyrrole on the morphology, structure, and properties of the material was investigated. When the concentration of pyrrole was 3 mol·L-1, the electrochemical performance of the NiCoP/PPy/CC-3 electrode was the best, with good electrochemical performance in a three-electrode system. At a current density of 4.0 mA·cm-2, the area-specific capacitance of the electrode was 1 068.11 mF·cm-2, and the corresponding mass-specific capacitance was 508.62 F·g-1. After 6 000 cycles at a current density of 8.0 mA·cm-2, the capacitance retention rate was 90.1%. The electrode was applied to a flexible asymmetric supercapacitor. The flexible device could achieve a 180° bending, and the initial specific capacitance of the device remained 88.6% after 10 000 cycles at a current density of 8.0 mA·cm-2. In addition, two asymmetric supercapacitors in series can effectively light up a yellow light-emitting diode (LED). |
| Keywords: supercapacitor transition metal phosphide electrodeposition polypyrrole carbon cloth |
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| BAO Huirong,YANG Jun,FENG Xiaomiao.Preparation and electrochemical properties of NiCoP/polypyrrole/carbon cloth by electrodeposition[J].Chinese Journal of Inorganic Chemistry,2025,41(6):1083-1093. |
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