A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor
A high capacitance and widened voltage frames for an aqueous supercapacitor system are challenging to realize simultaneously in an aqueous medium. The severe water splitting seriously restricts the narrow voltage of the aqueous electrolyte beyond 2 V. To overcome this limitation, herein, we proposed...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-12-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/13/1/123 |
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| author | Muhammad Sajjad Abdul Jabbar Khan Sayed M. Eldin Asma A. Alothman Mohamed Ouladsmane Patrizia Bocchetta Waqas Ul Arifeen Muhammad Sufyan Javed Zhiyu Mao |
| author_facet | Muhammad Sajjad Abdul Jabbar Khan Sayed M. Eldin Asma A. Alothman Mohamed Ouladsmane Patrizia Bocchetta Waqas Ul Arifeen Muhammad Sufyan Javed Zhiyu Mao |
| author_sort | Muhammad Sajjad |
| collection | DOAJ |
| description | A high capacitance and widened voltage frames for an aqueous supercapacitor system are challenging to realize simultaneously in an aqueous medium. The severe water splitting seriously restricts the narrow voltage of the aqueous electrolyte beyond 2 V. To overcome this limitation, herein, we proposed the facile wet-chemical synthesis of a new CuSe-TiO<sub>2</sub>-GO ternary nanocomposite for hybrid supercapacitors, thus boosting the specific energy up to some maximum extent. The capacitive charge storage mechanism of the CuSe-TiO<sub>2</sub>-GO ternary nanocomposite electrode was tested in an aqueous solution with 3 M KOH as the electrolyte in a three-cell mode assembly. The voltammogram analysis manifests good reversibility and a remarkable capacitive response at various currents and sweep rates, with a durable rate capability. At the same time, the discharge/charge platforms realize the most significant capacitance and a capacity of 920 F/g (153 mAh/g), supported by the impedance analysis with minimal resistances, ensuring the supply of electrolyte ion diffusion to the active host electrode interface. The built 2 V CuSe-TiO<sub>2</sub>-GO||AC-GO||KOH hybrid supercapacitor accomplished a significant capacitance of 175 F/g, high specific energy of 36 Wh/kg, superior specific power of 4781 W/kg, and extraordinary stability of 91.3% retention relative to the stable cycling performance. These merits pave a new way to build other ternary nanocomposites to achieve superior performance for energy storage devices. |
| first_indexed | 2024-03-09T09:43:53Z |
| format | Article |
| id | doaj.art-b332221063084a8baaa0c2022824898d |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T09:43:53Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-b332221063084a8baaa0c2022824898d2023-12-02T00:44:37ZengMDPI AGNanomaterials2079-49912022-12-0113112310.3390/nano13010123A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid SupercapacitorMuhammad Sajjad0Abdul Jabbar Khan1Sayed M. Eldin2Asma A. Alothman3Mohamed Ouladsmane4Patrizia Bocchetta5Waqas Ul Arifeen6Muhammad Sufyan Javed7Zhiyu Mao8College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, ChinaCollege of Chemistry and Chemical Engineering, Huanggang Normal University, Huangggang 438000, ChinaFaculty of Engineering and Technology, Future University in Egypt, New Cairo 11835, EgyptDepartment of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi ArabiaDepartment of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi ArabiaDipartimento di Ingegneria dell’Innovazione, Università del Salento, Via Monteroni, 73100 Lecce, ItalySchool of Mechanical Engineering, Yeungnam University, Daehak-ro, Gyeongsan-si 38541, Gyeongbuk-do, Republic of KoreaSchool of Physical Science and Technology, Lanzhou University, Lanzhou 730000, ChinaCollege of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, ChinaA high capacitance and widened voltage frames for an aqueous supercapacitor system are challenging to realize simultaneously in an aqueous medium. The severe water splitting seriously restricts the narrow voltage of the aqueous electrolyte beyond 2 V. To overcome this limitation, herein, we proposed the facile wet-chemical synthesis of a new CuSe-TiO<sub>2</sub>-GO ternary nanocomposite for hybrid supercapacitors, thus boosting the specific energy up to some maximum extent. The capacitive charge storage mechanism of the CuSe-TiO<sub>2</sub>-GO ternary nanocomposite electrode was tested in an aqueous solution with 3 M KOH as the electrolyte in a three-cell mode assembly. The voltammogram analysis manifests good reversibility and a remarkable capacitive response at various currents and sweep rates, with a durable rate capability. At the same time, the discharge/charge platforms realize the most significant capacitance and a capacity of 920 F/g (153 mAh/g), supported by the impedance analysis with minimal resistances, ensuring the supply of electrolyte ion diffusion to the active host electrode interface. The built 2 V CuSe-TiO<sub>2</sub>-GO||AC-GO||KOH hybrid supercapacitor accomplished a significant capacitance of 175 F/g, high specific energy of 36 Wh/kg, superior specific power of 4781 W/kg, and extraordinary stability of 91.3% retention relative to the stable cycling performance. These merits pave a new way to build other ternary nanocomposites to achieve superior performance for energy storage devices.https://www.mdpi.com/2079-4991/13/1/123CuSeaqueous electrolytepower densityenergy densityimpedance |
| spellingShingle | Muhammad Sajjad Abdul Jabbar Khan Sayed M. Eldin Asma A. Alothman Mohamed Ouladsmane Patrizia Bocchetta Waqas Ul Arifeen Muhammad Sufyan Javed Zhiyu Mao A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor Nanomaterials CuSe aqueous electrolyte power density energy density impedance |
| title | A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor |
| title_full | A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor |
| title_fullStr | A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor |
| title_full_unstemmed | A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor |
| title_short | A New CuSe-TiO<sub>2</sub>-GO Ternary Nanocomposite: Realizing a High Capacitance and Voltage for an Advanced Hybrid Supercapacitor |
| title_sort | new cuse tio sub 2 sub go ternary nanocomposite realizing a high capacitance and voltage for an advanced hybrid supercapacitor |
| topic | CuSe aqueous electrolyte power density energy density impedance |
| url | https://www.mdpi.com/2079-4991/13/1/123 |
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