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2026
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| Accesso online: | https://doi.org/10.5281/zenodo.18690930 |
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| _version_ | 1866901852456484864 |
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| author | J.ThenmozhiP E.Kavitha N.Sundaraganesan |
| author_facet | J.ThenmozhiP E.Kavitha N.Sundaraganesan |
| contents | <p><span>In this work, a sol-gel method for preparing nanosized SiO</span><span>2 </span><span>for supercapacitor<br>applications. Tetraethyl orthosilicate was used as precursor and PVP as surfactant for the<br>synthesis of SiO</span><span>2 </span><span>nanoparticles. The effect of annealing temperature on prepared SiO</span><span>2<br></span><span>nanoparticles (NPs) was examined through the thermal, structural, morphological, and<br>electrochemical characteristics. The thermal properties of as-prepared SiO</span><span>2 </span><span>nanoparticles were<br>evaluated using TG-DTA analysis. The X-ray diffraction result suggested that the prepared<br>nanoparticles had amorphous structure and the average crystallite size decreased with increasing<br>annealing temperatures. The SEM micrographs showed the SiO</span><span>2 </span><span>NPs appeared as an aggregated<br>bundle-like structure. The EDX analysis confirmed the existence of elements of Si and O. The</span> <span>oxidation and reduction peaks revealed that the SiO</span><span>2 </span><span>NPs had a supercapacitor nature by cyclic<br>voltammetry and achieved high specific capacitance value of 356 Fg</span><span>-1 </span><span>at scan rate of 5 mV/s.<br>These findings suggest that SiO</span><span>₂ </span><span>NPs, which offer a cost-effective and scalable approach, are<br>promising candidates for supercapacitor electrodes</span> <br><br></p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18690930 |
| institution | Zenodo |
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| publishDate | 2026 |
| publisher | Zenodo |
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| spellingShingle | Effects of annealing temperature on properties of SiO2 nanoparticles for supercapacitor applications J.ThenmozhiP E.Kavitha N.Sundaraganesan <p><span>In this work, a sol-gel method for preparing nanosized SiO</span><span>2 </span><span>for supercapacitor<br>applications. Tetraethyl orthosilicate was used as precursor and PVP as surfactant for the<br>synthesis of SiO</span><span>2 </span><span>nanoparticles. The effect of annealing temperature on prepared SiO</span><span>2<br></span><span>nanoparticles (NPs) was examined through the thermal, structural, morphological, and<br>electrochemical characteristics. The thermal properties of as-prepared SiO</span><span>2 </span><span>nanoparticles were<br>evaluated using TG-DTA analysis. The X-ray diffraction result suggested that the prepared<br>nanoparticles had amorphous structure and the average crystallite size decreased with increasing<br>annealing temperatures. The SEM micrographs showed the SiO</span><span>2 </span><span>NPs appeared as an aggregated<br>bundle-like structure. The EDX analysis confirmed the existence of elements of Si and O. The</span> <span>oxidation and reduction peaks revealed that the SiO</span><span>2 </span><span>NPs had a supercapacitor nature by cyclic<br>voltammetry and achieved high specific capacitance value of 356 Fg</span><span>-1 </span><span>at scan rate of 5 mV/s.<br>These findings suggest that SiO</span><span>₂ </span><span>NPs, which offer a cost-effective and scalable approach, are<br>promising candidates for supercapacitor electrodes</span> <br><br></p> |
| title | Effects of annealing temperature on properties of SiO2 nanoparticles for supercapacitor applications |
| url | https://doi.org/10.5281/zenodo.18690930 |