| 1. | Alves, Ana Paula P; Koizumi, Ryota ; Samanta, Atanu ; Machado, Leonardo D; Singh, Abhisek K; Galvao, Douglas S; Silva, Glaura G; Tiwary, Chandra S; Ajayan, Pulickel M: One-step electrodeposited 3D-ternary composite of zirconia nanoparticles, rGO and polypyrrole with enhanced supercapacitor performance. In: Nano Energy, 31 , pp. 225-232, 2017. (Type: Journal Article | Abstract | Links | BibTeX) @article{Alves2017, title = {One-step electrodeposited 3D-ternary composite of zirconia nanoparticles, rGO and polypyrrole with enhanced supercapacitor performance}, author = {Alves, Ana Paula P and Koizumi, Ryota and Samanta, Atanu and Machado, Leonardo D and Singh, Abhisek K and Galvao, Douglas S and Silva, Glaura G and Tiwary, Chandra S and Ajayan, Pulickel M}, url = {http://www.sciencedirect.com/science/article/pii/S221128551630502X}, doi = {10.1016/j.nanoen.2016.11.018}, year = {2017}, date = {2017-01-01}, journal = {Nano Energy}, volume = {31}, pages = {225-232}, abstract = {Supercapacitor electrodes consisting of conjugated polymers (CP), metal oxides and graphene nanosheets have been explored as a strategy to achieve high specific capacitance, power, energy density, and stability. In this work, we synthesized a 3D structure composed of zirconia oxide nanoparticles (ZrO2), reduced graphene oxide (rGO) and polypyrrole (PPy), using a simple and easily scalable one-step chronopotentiometry method. Detailed characterization revealed that the addition of rGO and ZrO2 modified the morphology of the electrode material. The capacitance of the resulting architecture improved by up to a 100%. The ternary composite featured high stability, with an increase of 5% in capacitance after a thousand cycles. DFT and MD simulations were carried out in order to provide further insight on the role of zirconia. }, keywords = {}, pubstate = {published}, tppubtype = {article} } Supercapacitor electrodes consisting of conjugated polymers (CP), metal oxides and graphene nanosheets have been explored as a strategy to achieve high specific capacitance, power, energy density, and stability. In this work, we synthesized a 3D structure composed of zirconia oxide nanoparticles (ZrO2), reduced graphene oxide (rGO) and polypyrrole (PPy), using a simple and easily scalable one-step chronopotentiometry method. Detailed characterization revealed that the addition of rGO and ZrO2 modified the morphology of the electrode material. The capacitance of the resulting architecture improved by up to a 100%. The ternary composite featured high stability, with an increase of 5% in capacitance after a thousand cycles. DFT and MD simulations were carried out in order to provide further insight on the role of zirconia. |
2017 |
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| 1. |  | Alves, Ana Paula P; Koizumi, Ryota ; Samanta, Atanu ; Machado, Leonardo D; Singh, Abhisek K; Galvao, Douglas S; Silva, Glaura G; Tiwary, Chandra S; Ajayan, Pulickel M One-step electrodeposited 3D-ternary composite of zirconia nanoparticles, rGO and polypyrrole with enhanced supercapacitor performance Journal Article Nano Energy, 31 , pp. 225-232, 2017. Abstract | Links | BibTeX | Tags: Molecular Dynamics, Polymers, supercapacitors, Zirconia @article{Alves2017, title = {One-step electrodeposited 3D-ternary composite of zirconia nanoparticles, rGO and polypyrrole with enhanced supercapacitor performance}, author = {Alves, Ana Paula P and Koizumi, Ryota and Samanta, Atanu and Machado, Leonardo D and Singh, Abhisek K and Galvao, Douglas S and Silva, Glaura G and Tiwary, Chandra S and Ajayan, Pulickel M}, url = {http://www.sciencedirect.com/science/article/pii/S221128551630502X}, doi = {10.1016/j.nanoen.2016.11.018}, year = {2017}, date = {2017-01-01}, journal = {Nano Energy}, volume = {31}, pages = {225-232}, abstract = {Supercapacitor electrodes consisting of conjugated polymers (CP), metal oxides and graphene nanosheets have been explored as a strategy to achieve high specific capacitance, power, energy density, and stability. In this work, we synthesized a 3D structure composed of zirconia oxide nanoparticles (ZrO2), reduced graphene oxide (rGO) and polypyrrole (PPy), using a simple and easily scalable one-step chronopotentiometry method. Detailed characterization revealed that the addition of rGO and ZrO2 modified the morphology of the electrode material. The capacitance of the resulting architecture improved by up to a 100%. The ternary composite featured high stability, with an increase of 5% in capacitance after a thousand cycles. DFT and MD simulations were carried out in order to provide further insight on the role of zirconia. }, keywords = {Molecular Dynamics, Polymers, supercapacitors, Zirconia}, pubstate = {published}, tppubtype = {article} } Supercapacitor electrodes consisting of conjugated polymers (CP), metal oxides and graphene nanosheets have been explored as a strategy to achieve high specific capacitance, power, energy density, and stability. In this work, we synthesized a 3D structure composed of zirconia oxide nanoparticles (ZrO2), reduced graphene oxide (rGO) and polypyrrole (PPy), using a simple and easily scalable one-step chronopotentiometry method. Detailed characterization revealed that the addition of rGO and ZrO2 modified the morphology of the electrode material. The capacitance of the resulting architecture improved by up to a 100%. The ternary composite featured high stability, with an increase of 5% in capacitance after a thousand cycles. DFT and MD simulations were carried out in order to provide further insight on the role of zirconia. |
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