Exploring Energy Storage Capabilities: A Comparative Investigation of NiO and Co3O4 with Their Nanocomposite of NiCo2O4.
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| Title: | Exploring Energy Storage Capabilities: A Comparative Investigation of NiO and Co |
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| Authors: | Goel, Anshika1 (AUTHOR), Mashangva, Tim Tim1 (AUTHOR), Prasher, Sangeeta2 (AUTHOR), Mishra, Amodini3 (AUTHOR), Mishra, Ashok Kumar4 (AUTHOR) akmishra2k5@gmail.com, Kumar, Mukesh1 (AUTHOR) moka.esh9@gmail.com |
| Source: | Topics in Catalysis. Feb2026, Vol. 69 Issue 4-7, p868-880. 13p. |
| Subjects: | Energy storage, Supercapacitors, Electrodes, Nanocomposite materials, Nanoparticles, Nickel oxide, Cobalt oxides |
| Abstract: | This study highlights the successful synthesis of NiO, Co3O4, and NiCo2O4 nanoparticles through a cost-efficient process involving dextrose-assisted combustion followed by calcination treatment. Structural analysis revealed that NiO and Co₃O₄ have smaller crystallite sizes compared to NiCo₂O₄. The lower microstrain in NiO and Co₃O₄ suggests greater crystalline stability, while the higher microstrain in NiCo₂O₄ indicates internal stress in the crystal structure. The even distribution of elements in NiCo2O4 was confirmed by EDS and FTIR. Additionally, thermal analysis showed NiCo2O4 nanocomposite's superior stability at high temperatures. NiCo2O4 exhibited a remarkable specific capacitance of 288 F g−1 at 10 mV s−1, surpassing other metal oxides. It also demonstrated extended discharge time and lower equivalent series resistance, highlighting its potential for advanced supercapacitor performance. This study provides a cost-effective blueprint for developing advanced binary metal oxide electrode materials, emphasizing the promising utility of synthesized NiCo2O4 nanoparticles in practical applications. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | This study highlights the successful synthesis of NiO, Co3O4, and NiCo2O4 nanoparticles through a cost-efficient process involving dextrose-assisted combustion followed by calcination treatment. Structural analysis revealed that NiO and Co₃O₄ have smaller crystallite sizes compared to NiCo₂O₄. The lower microstrain in NiO and Co₃O₄ suggests greater crystalline stability, while the higher microstrain in NiCo₂O₄ indicates internal stress in the crystal structure. The even distribution of elements in NiCo2O4 was confirmed by EDS and FTIR. Additionally, thermal analysis showed NiCo2O4 nanocomposite's superior stability at high temperatures. NiCo2O4 exhibited a remarkable specific capacitance of 288 F g−1 at 10 mV s−1, surpassing other metal oxides. It also demonstrated extended discharge time and lower equivalent series resistance, highlighting its potential for advanced supercapacitor performance. This study provides a cost-effective blueprint for developing advanced binary metal oxide electrode materials, emphasizing the promising utility of synthesized NiCo2O4 nanoparticles in practical applications. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 10225528 |
| DOI: | 10.1007/s11244-024-02037-0 |
