Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes
Chitosan, a biomass raw material, was utilized as a carbon skeleton source and served as a nitrogen (N) atom dopant in this study. By co-doping phosphorus (P) atoms from H<sub>3</sub>PO<sub>4</sub> and nitrogen (N) atoms with a carbon (C) skeleton and hybridizing them with Mn...
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MDPI AG
2023-07-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/13/14/2060 |
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| author | Yu-Min Kang Wein-Duo Yang |
| author_facet | Yu-Min Kang Wein-Duo Yang |
| author_sort | Yu-Min Kang |
| collection | DOAJ |
| description | Chitosan, a biomass raw material, was utilized as a carbon skeleton source and served as a nitrogen (N) atom dopant in this study. By co-doping phosphorus (P) atoms from H<sub>3</sub>PO<sub>4</sub> and nitrogen (N) atoms with a carbon (C) skeleton and hybridizing them with Mn<sub>3</sub>O<sub>4</sub> on a carbon fiber cloth (CC), an Mn<sub>3</sub>O<sub>4</sub>@NPC/CC electrode was fabricated, which exhibited an excellent capacitive performance. The N, P-codoped carbon polycrystalline material was hybridized with Mn<sub>3</sub>O<sub>4</sub> during the chitosan carbonization process. This carbon polycrystalline structure exhibited an enhanced conductivity and increased mesopore content, thereby optimizing the micropore/mesopore ratio in the electrode material. This optimization contributed to the improved storage, transmission, and diffusion of electrolyte ions within the Mn<sub>3</sub>O<sub>4</sub>@NPC electrode. The electrochemical behavior was evaluated via cyclic voltammetry and galvanostatic charge–discharge tests using a 1 M Na<sub>2</sub>SO<sub>4</sub> electrolyte. The capacitance significantly increased to 256.8 F g<sup>−1</sup> at 1 A g<sup>−1</sup>, and the capacitance retention rate reached 97.3% after 5000 charge/discharge cycles, owing to the higher concentration of the P-dopant in the Mn<sub>3</sub>O<sub>4</sub>@NPC/CC electrode. These findings highlight the tremendous potential of flexible supercapacitor electrodes in various applications. |
| first_indexed | 2024-03-11T00:47:16Z |
| format | Article |
| id | doaj.art-cc07d8d0cee340b69128be9ddc4dbbe9 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-11T00:47:16Z |
| publishDate | 2023-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-cc07d8d0cee340b69128be9ddc4dbbe92023-11-18T20:45:24ZengMDPI AGNanomaterials2079-49912023-07-011314206010.3390/nano13142060Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible ElectrodesYu-Min Kang0Wein-Duo Yang1Department of Chemical and Materials Engineering, National Kaohsiung University of Science and Technology, Sanmin District, Kaohsiung City 807, TaiwanDepartment of Chemical and Materials Engineering, National Kaohsiung University of Science and Technology, Sanmin District, Kaohsiung City 807, TaiwanChitosan, a biomass raw material, was utilized as a carbon skeleton source and served as a nitrogen (N) atom dopant in this study. By co-doping phosphorus (P) atoms from H<sub>3</sub>PO<sub>4</sub> and nitrogen (N) atoms with a carbon (C) skeleton and hybridizing them with Mn<sub>3</sub>O<sub>4</sub> on a carbon fiber cloth (CC), an Mn<sub>3</sub>O<sub>4</sub>@NPC/CC electrode was fabricated, which exhibited an excellent capacitive performance. The N, P-codoped carbon polycrystalline material was hybridized with Mn<sub>3</sub>O<sub>4</sub> during the chitosan carbonization process. This carbon polycrystalline structure exhibited an enhanced conductivity and increased mesopore content, thereby optimizing the micropore/mesopore ratio in the electrode material. This optimization contributed to the improved storage, transmission, and diffusion of electrolyte ions within the Mn<sub>3</sub>O<sub>4</sub>@NPC electrode. The electrochemical behavior was evaluated via cyclic voltammetry and galvanostatic charge–discharge tests using a 1 M Na<sub>2</sub>SO<sub>4</sub> electrolyte. The capacitance significantly increased to 256.8 F g<sup>−1</sup> at 1 A g<sup>−1</sup>, and the capacitance retention rate reached 97.3% after 5000 charge/discharge cycles, owing to the higher concentration of the P-dopant in the Mn<sub>3</sub>O<sub>4</sub>@NPC/CC electrode. These findings highlight the tremendous potential of flexible supercapacitor electrodes in various applications.https://www.mdpi.com/2079-4991/13/14/2060chitosancarbon skeletonMn<sub>3</sub>O<sub>4</sub>N, P-codoped carbon polycrystallinesupercapacitor |
| spellingShingle | Yu-Min Kang Wein-Duo Yang Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes Nanomaterials chitosan carbon skeleton Mn<sub>3</sub>O<sub>4</sub> N, P-codoped carbon polycrystalline supercapacitor |
| title | Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes |
| title_full | Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes |
| title_fullStr | Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes |
| title_full_unstemmed | Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes |
| title_short | Boosting the Capacitive Performance of Supercapacitors by Hybridizing N, P-Codoped Carbon Polycrystalline with Mn<sub>3</sub>O<sub>4</sub>-Based Flexible Electrodes |
| title_sort | boosting the capacitive performance of supercapacitors by hybridizing n p codoped carbon polycrystalline with mn sub 3 sub o sub 4 sub based flexible electrodes |
| topic | chitosan carbon skeleton Mn<sub>3</sub>O<sub>4</sub> N, P-codoped carbon polycrystalline supercapacitor |
| url | https://www.mdpi.com/2079-4991/13/14/2060 |
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