Capacitor electroquímico basado en PPy-(SO4)2−: efecto del dióxido de manganeso como templete reactivo en las propiedades electroquímicas
Palabras clave:
PPy, MnO2, templete reactivo, capacitores electroquímicos
Resumen
En este trabajo se reporta la síntesis de Polipirrol-sulfato con morfología elongada (PPy-(SO4)2−/MnO2) utilizando MnO2 como templete reactivo, y su potencial aplicación como material de electrodo en capacitores electroquímicos. De esta manera, la caracterización fisicoquímica mediante SEM-EDS, FTIR y XPS confirmaron que el MnO2 sirvió como templete reactivo durante la síntesis del PPy-(SO4)2−. Los materiales obtenidos se caracterizaron en primera instancia mediante voltamperometría cíclica en una celda de tres electrodos con el objetivo de evaluar su desempeño como electrodo para capacitores electroquímicos. Los resultados muestran que el electrodo de PPy-(SO4)2−/MnO2 exhibió un valor de capacitancia específica máxima de 125 F g−1 a 5 mV s–1 y una mejor retención de la capacitancia con el aumento de la velocidad de barrido comparado con el electrodo de PPy de morfología globular. Además, la celda simétrica ensamblado con dos electrodos de PPy-(SO4)2−/MnO2 exhibió valores de energía y potencia específica de 1.4 W h kg−1 y 34 W kg−1, respectivamente, junto con una buena estabilidad cíclica (62 % después de 1000 ciclos de carga-descarga). El análisis de impedancia sugiere un buen ensamble entre los componentes de la celda, es decir, entre el electrodo de PPy, el colector de corriente, el separador y el electrolito empleado.
Citas
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Blinova N. V., Stejskal J., Trchová M., Prokeš J., Omastová M. (2007). Polyaniline and polypyrrole: A comparative study of the preparation. "European polymer journal", 43(6), 2331-2341. https://doi.org/10.1016/j.eurpolymj.2007.03.045
Díaz-Arriaga C. B., Baas-López J. M., Pacheco-Catalán D. E., Uribe-Calderon J. (2020). Symmetric electrochemical capacitor based on PPy obtained via MnO2 reactive template synthesis. "Synthetic Metals", 269, 116541. https://doi.org/10.1016/j.synthmet.2020.116541
Dubal D. P., Ayyad O., Ruiz V., Gomez-Romero P. (2015). Hybrid energy storage: the merging of battery and supercapacitor chemistries. "Chemical Society Reviews", 44(7), 1777-1790. https://doi.org/10.1039/C4CS00266K
Huang Y., Li H., Wang Z., Zhu M., Pei Z., Xue Q., Huang Y., Zhi C. (2016). Nanostructured polypyrrole as a flexible electrode material of supercapacitor. "Nano Energy", 22, 422-438. https://doi.org/10.1016/j.nanoen.2016.02.047
Khan H., Malook K., Shah M. (2018) . Polypyrrole/MnO2 composites: synthesis, structural and electrical properties." Journal of Materials Science: Materials in Electronics", 29(11), 9090-9098. https://doi.org/10.1007/s10854-018-8936-0
Kumar N., Dineshkumar P., Rameshbabu R., Sen A. (2015). Morphological analysis of ultra fine α-MnO2 nanowires under different reaction conditions. "Materials Letters", 158, 309-312. https://doi.org/10.1016/j.matlet.2015.05.172
Li J., Cui L., Zhang X. (2010). Preparation and electrochemistry of one-dimensional nanostructured MnO2/PPy composite for electrochemical capacitor. "Applied Surface Science" 256(13), 4339-4343. https://doi.org/10.1016/j.apsusc.2010.02.028
Omastova M., Trchová M., Kovářová J., Stejskal J. (2003). Synthesis and structural study of polypyrroles prepared in the presence of surfactants. "Synthetic metals", 138(3), 447-455. https://doi.org/10.1016/S0379-6779(02)00498-8
Paul S., Choi K. S., Lee D. J., Sudhagar P., Kang Y. S. (2012). Factors affecting the performance of supercapacitors assembled with polypyrrole/multi-walled carbon nanotube composite electrodes. "Electrochimica acta", 78, 649-655. https://doi.org/10.1016/j.electacta.2012.06.088
Peddigari M., Palneedi H., Hwang G. T., Ryu J. (2019). Linear and Nonlinear Dielectric Ceramics for High-Power Energy Storage Capacitor Applications. "Journal of the Korean Ceramic Society", 56(1), 1-23. https://doi.org/10.4191/kcers.2019.56.1.02
Peng, C., Zhang S., Jewell D., Chen G. Z. (2008). Carbon nanotube and conducting polymer composites for supercapacitors. "Progress in Natural science", 18(7), 777-788. https://doi.org/10.1016/j.pnsc.2008.03.002
Toupin M., Brousse, T., Bélanger, D. (2004). Charge storage mechanism of MnO2 electrode used in aqueous electrochemical capacitor. "Chemistry of Materials", 16(16), 3184-3190. https://doi.org/10.1021/cm049649j
Wang H., Lu Z., Qian D., Li Y., Zhang W. (2007). Single-crystal α-MnO2 nanorods: synthesis and electrochemical properties. "Nanotechnology", 18(11), 115616.
Wang J. G., Wei B., Kang F. (2014). Facile synthesis of hierarchical conducting polypyrrole nanostructures via a reactive template of MnO2 and their application in supercapacitors. "Rsc Advances", 4(1), 199-202. https://doi.org/10.1039/C3RA45824E
Wang J. G., Yang Y., Huang Z. H., Kang F. (2014). MnO2/polypyrrole nanotubular composites: reactive template synthesis, characterization and application as superior electrode materials for high-performance supercapacitors. "Electrochimica Acta", 130, 642-649. https://doi.org/10.1016/j.electacta.2014.03.082
Wang J., Wu C., Wu P., Li X., Zhang M., Zhu J. (2017). Polypyrrole capacitance characteristics with different doping ions and thicknesses. "Physical Chemistry Chemical Physics", 19(31), 21165-21173. https://doi.org/10.1039/C7CP02707A
Wang Y., Liu P., Yang C., Mu B., Wang A. (2013). Improving capacitance performance of attapulgite/polypyrrole composites by introducing rhodamine B. "Electrochimica Acta", 89, 422-428. https://doi.org/10.1016/j.electacta.2012.11.065
Wang Y., Yang C., Liu P. (2011). Acid blue AS doped polypyrrole (PPy/AS) nanomaterials with different morphologies as electrode materials for supercapacitors. "Chemical Engineering Journal", 172(2-3), 1137-1144. https://doi.org/10.1016/j.cej.2011.06.061
Yao W., Zhou H., Lu Y. (2013). Synthesis and property of novel MnO2@ polypyrrole coaxial nanotubes as electrode material for supercapacitors. "Journal of power sources", 241, 359-366. https://doi.org/10.1016/j.jpowsour.2013.04.142
Yin B., Zhang S., Jiang H., Qu F., Wu X. (2015). Phase-controlled synthesis of polymorphic MnO2 structures for electrochemical energy storage. "Journal of Materials Chemistry A", 3(10), 5722-5729. https://doi.org/10.1039/C4TA06943A
Yussuf A., Al-Saleh M., Al-Enezi S., Abraham G. (2018). Synthesis and Characterization of Conductive Polypyrrole: The Influence of the Oxidants and Monomer on the Electrical, Thermal, and Morphological Properties. "International Journal of Polymer Science", 2018. https://doi.org/10.1155/2018/4191747
Zequine C., Ranaweera C. K., Wang Z., Singh S., Tripathi P., Srivastava O .N.,… Gupta R. K., (2016). High Per formance and Flexible Supercapacitors based on Carbonized Bamboo Fibers for Wide Temperature Applications. "Scientific reports", 6, 31704. https://doi.org/10.1038/srep31704
Zhang W., Mu B., Wang A., Shao S. (2014). Attapulgite oriented carbon/polyaniline hybrid nanocomposites for electrochemical energy storage. "Synthetic metals", 192, 87-92. https://doi.org/10.1016/j.synthmet.2014.03.021
Publicado
2021-05-26
Sección
Artículos de Investigación
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