Biodegradable methylcellulose biopolymer-derived activated porous carbon for dual energy application

Nath, G.; Singh, P.K.; Dhapola, P.S.; Sharma, T.; Patil, G.P.; Jadhav, C.D.; Singh, A.; Konwar, S.; Savilov, S.V.; Singh, D.; Yahya, M.Z.

Авторы: Nath G., Singh P.K., Dhapola P.S., Sharma T., Patil G.P., Jadhav C.D., Singh A., Konwar S., Savilov S.V., Singh D., Yahya M.Z.A
Журнал: MATERIALS FOR RENEWABLE AND SUSTAINABLE ENERGY
Том: 11
Номер: 3
Год издания: 2022
Первая страница: 241
Последняя страница: 250
DOI: 10.1007/s40243-022-00217-0
Аннотация: Activated porous carbon was synthesized from methylcellulose biopolymer through a two-step mechanism involving H3PO4 as an activating agent and then thermally carbonized in a tubular furnace under an inert atmosphere at 850 °C. The product was next rinsed with strong HCl, neutralized with deionized water, and dried in an oven at 80 °C. Then, to fully understand the behavior of the activated porous carbon, it was characterized using techniques such as X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS), RAMAN spectroscopy, Brunauer–Emmett–Teller (BET), and thermal gravimetric analysis (TGA). Additionally, we have created dye-sensitive solar cells and an electric double-layer capacitor (EDLC) using this porous carbon produced from methylcellulose (DSSC). We used the above-mentioned prepared porous carbon for the electrode portion of the Electric Double-Layer Capacitor (EDLC) fabrication, and the maximized polymer electrolyte film made from the methyl cellulose (MC) biopolymer combined with 60 wt.% of 1-ethyl-3-methylimidazolium tricyanomethanide ionic liquid (IL), with a maximum conductivity of 1.93 × 10−2 S/cm, for the electrolyte. The fabricated EDLC device shows a specific capacitance of 60.8 F/gm at 5 mV/s scan rate which was confirmed by cyclovoltammetry and a low-frequency impedance plot in the CH electrochemical workstation. The DSSC device was fabricated using the same porous carbon as a material for the counter-electrode and the same composition polymer electrolyte that had been used in the EDLC as the electrolyte for the DSSC which yields an efficiency of 0.86%. The fill factor and other parameters were also calculated from the JV characteristics that had been characterized and obtained in the solar simulator.
Добавил в систему: Савилов Сергей Вячеславович

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Biodegradable methylcellulose biopolymer-derived activated porous carbon for dual energy applicationстатья

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