Electrodeposition of Cobalt‐Copper Oxides Decorated with Conductive Polymer for Supercapacitor Electrodes with High Stability
Abstract: Here, we report about the synthesis of Cobalt‐Copper (CC) mixed oxides prepared by electrodeposition and thermal annealing, and coated with PEDOT:PSS (CCP) for supercapacitor electrodes. The electrodes’ morphology and electrochemical performance were investigated by combining XRD, XPS, SEM, cyclic voltammetry, and galvanostatic charge/discharge tests. The initial capacity of the CC electrode was 26 mAh/g at a scan rate of 5 mV/s with a coulombic efficiency of 92 %. The CC electrode featured a capacity retention of 81 % at a constant current density of 1 A/g after 5000 cycles. CCP electrodes slightly reduced the specific capacity but increased both coulombic efficiency and cyclic stability. CCP1 electrode featured a specific capacity of 21 mAh/g at 5 mV/s scan rate with better coulombic efficiency 95 % along with capacity retention of 92.3 % over 5000 cycles. Increasing the amount of PEDOT:PSS lowered the CC electrodes’ specific capacity, but significantly improved the capacity retention up to 100 %.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Electrodeposition of Cobalt‐Copper Oxides Decorated with Conductive Polymer for Supercapacitor Electrodes with High Stability ; volume:9 ; number:11 ; year:2022 ; extent:11
ChemElectroChem ; 9, Heft 11 (2022) (gesamt 11)
- Creator
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Noormohammadi, E.
Poli, F.
Durante, C.
Lunardon, M.
Sanjabi, S.
Soavi, F.
- DOI
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10.1002/celc.202200102
- URN
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urn:nbn:de:101:1-2022060115484670846896
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:33 AM CEST
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Associated
- Noormohammadi, E.
- Poli, F.
- Durante, C.
- Lunardon, M.
- Sanjabi, S.
- Soavi, F.
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