Aqueous electrolyte polypyrrole | zinc cell with supercapattery performance
Polipirol | cink ćelija sa vodenim rastvorom elektrolita i svojstvima superkapabaterije
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Electrochemical oxidative polymerization at constant current density was used to produce polypyrrole (PPY) at graphite electrode from aqueous acidic electrolyte containing 0,1 mol dm-3 pyrrole and 1,0 mol dm-3 HCl. PPY electrode was than used as cathode while zinc electrode served as anode in electrochemical cell with an aqueous electrolyte containing 2,0 mol dm-3 NH4Cl and 1,1 mol dm-3 ZnCl2. The relevant electrochemical parameters of this cell were evaluated from electrochemical experiments. It was observed that charge of Zn|PPY cell started at voltage between 0,5 and 0,7 V and proceeded up to 1,5 V. Charge/discharge of the cell was dependent on charge/discharge current density with open circuit voltage of the fully discharged cell around 1,3 V. The estimated values of specific energy were between 46 and 68 W h kg-1 while specific power values were between 125 and 380 W kg-1, which suggested that Zn|PPY cell had “supercapaterry” behavior.
Elektroda na bazi polipirola (PPY) dobijena je elektrohemijskom oksidativnom polimerizacijom na grafitnoj elektrodi u uslovima konstantne gustine struje. Kao elektrolit za sintezu, korišćen je vodeni rastvor 0,1 mol dm-3 pirola i 1,0 mol dm-3 HCl. Formirana je elektrohemijska ćelija u kojoj je elektroda na bazi PPY korišćena kao katoda dok je anoda bila elektroda od cinka, a elektrolit se sastojao od vodenog rastvora 2,0 mol dm-3 NH4Cl i 1,1 mol dm-3 ZnCl2. Procena relevantnih elektrohemijskih i električnih parametara ove ćelije bazirana je na elektrohemijskim eksperimentima. Utvrđeno je da je proces punjenja/pražnjenja zavisio od struje punjenja/pražnjenja, punejnje ćelije započinje na naponu između 0,5 i 0,7 V, a završava se na naponu od oko 1,3 V. Procenjene vrednosti energije bile su između 46 i 68 W h kg-1, dok se za specifičnu snagu dobijaju vrednosti između 125 i 380 W kg-1, što ukazuje na superkapabaterijska svojstva Zn|PPY ćelije.
Keywords:
electrochemical polymerization / polypyrrole / specific energy / specific power / supercappaterySource:
Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings = Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova / XXII YuCorr International Conference = XXI YuCorr [Jugoslovenska korozija] Međunarodna konferencija, September 13-16, 2021, Tara Mountain, Serbia, 2021, ORAL-75-Publisher:
- Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM
Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-MESTD-inst-2020-200175)
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-MESTD-inst-2020-200135)
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASATY - CONF AU - Janačković, Marija AU - Gvozdenović, Milica M. AU - Jugović, Branimir AU - Grgur, Branimir PY - 2021 UR - https://dais.sanu.ac.rs/123456789/12382 AB - Electrochemical oxidative polymerization at constant current density was used to produce polypyrrole (PPY) at graphite electrode from aqueous acidic electrolyte containing 0,1 mol dm-3 pyrrole and 1,0 mol dm-3 HCl. PPY electrode was than used as cathode while zinc electrode served as anode in electrochemical cell with an aqueous electrolyte containing 2,0 mol dm-3 NH4Cl and 1,1 mol dm-3 ZnCl2. The relevant electrochemical parameters of this cell were evaluated from electrochemical experiments. It was observed that charge of Zn|PPY cell started at voltage between 0,5 and 0,7 V and proceeded up to 1,5 V. Charge/discharge of the cell was dependent on charge/discharge current density with open circuit voltage of the fully discharged cell around 1,3 V. The estimated values of specific energy were between 46 and 68 W h kg-1 while specific power values were between 125 and 380 W kg-1, which suggested that Zn|PPY cell had “supercapaterry” behavior. AB - Elektroda na bazi polipirola (PPY) dobijena je elektrohemijskom oksidativnom polimerizacijom na grafitnoj elektrodi u uslovima konstantne gustine struje. Kao elektrolit za sintezu, korišćen je vodeni rastvor 0,1 mol dm-3 pirola i 1,0 mol dm-3 HCl. Formirana je elektrohemijska ćelija u kojoj je elektroda na bazi PPY korišćena kao katoda dok je anoda bila elektroda od cinka, a elektrolit se sastojao od vodenog rastvora 2,0 mol dm-3 NH4Cl i 1,1 mol dm-3 ZnCl2. Procena relevantnih elektrohemijskih i električnih parametara ove ćelije bazirana je na elektrohemijskim eksperimentima. Utvrđeno je da je proces punjenja/pražnjenja zavisio od struje punjenja/pražnjenja, punejnje ćelije započinje na naponu između 0,5 i 0,7 V, a završava se na naponu od oko 1,3 V. Procenjene vrednosti energije bile su između 46 i 68 W h kg-1, dok se za specifičnu snagu dobijaju vrednosti između 125 i 380 W kg-1, što ukazuje na superkapabaterijska svojstva Zn|PPY ćelije. PB - Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM C3 - Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings = Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova / XXII YuCorr International Conference = XXI YuCorr [Jugoslovenska korozija] Međunarodna konferencija, September 13-16, 2021, Tara Mountain, Serbia T1 - Aqueous electrolyte polypyrrole | zinc cell with supercapattery performance T1 - Polipirol | cink ćelija sa vodenim rastvorom elektrolita i svojstvima superkapabaterije SP - ORAL-75 UR - https://hdl.handle.net/21.15107/rcub_dais_12382 ER -
@conference{ author = "Janačković, Marija and Gvozdenović, Milica M. and Jugović, Branimir and Grgur, Branimir", year = "2021", abstract = "Electrochemical oxidative polymerization at constant current density was used to produce polypyrrole (PPY) at graphite electrode from aqueous acidic electrolyte containing 0,1 mol dm-3 pyrrole and 1,0 mol dm-3 HCl. PPY electrode was than used as cathode while zinc electrode served as anode in electrochemical cell with an aqueous electrolyte containing 2,0 mol dm-3 NH4Cl and 1,1 mol dm-3 ZnCl2. The relevant electrochemical parameters of this cell were evaluated from electrochemical experiments. It was observed that charge of Zn|PPY cell started at voltage between 0,5 and 0,7 V and proceeded up to 1,5 V. Charge/discharge of the cell was dependent on charge/discharge current density with open circuit voltage of the fully discharged cell around 1,3 V. The estimated values of specific energy were between 46 and 68 W h kg-1 while specific power values were between 125 and 380 W kg-1, which suggested that Zn|PPY cell had “supercapaterry” behavior., Elektroda na bazi polipirola (PPY) dobijena je elektrohemijskom oksidativnom polimerizacijom na grafitnoj elektrodi u uslovima konstantne gustine struje. Kao elektrolit za sintezu, korišćen je vodeni rastvor 0,1 mol dm-3 pirola i 1,0 mol dm-3 HCl. Formirana je elektrohemijska ćelija u kojoj je elektroda na bazi PPY korišćena kao katoda dok je anoda bila elektroda od cinka, a elektrolit se sastojao od vodenog rastvora 2,0 mol dm-3 NH4Cl i 1,1 mol dm-3 ZnCl2. Procena relevantnih elektrohemijskih i električnih parametara ove ćelije bazirana je na elektrohemijskim eksperimentima. Utvrđeno je da je proces punjenja/pražnjenja zavisio od struje punjenja/pražnjenja, punejnje ćelije započinje na naponu između 0,5 i 0,7 V, a završava se na naponu od oko 1,3 V. Procenjene vrednosti energije bile su između 46 i 68 W h kg-1, dok se za specifičnu snagu dobijaju vrednosti između 125 i 380 W kg-1, što ukazuje na superkapabaterijska svojstva Zn|PPY ćelije.", publisher = "Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM", journal = "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings = Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova / XXII YuCorr International Conference = XXI YuCorr [Jugoslovenska korozija] Međunarodna konferencija, September 13-16, 2021, Tara Mountain, Serbia", title = "Aqueous electrolyte polypyrrole | zinc cell with supercapattery performance, Polipirol | cink ćelija sa vodenim rastvorom elektrolita i svojstvima superkapabaterije", pages = "ORAL-75", url = "https://hdl.handle.net/21.15107/rcub_dais_12382" }
Janačković, M., Gvozdenović, M. M., Jugović, B.,& Grgur, B.. (2021). Aqueous electrolyte polypyrrole | zinc cell with supercapattery performance. in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings = Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova / XXII YuCorr International Conference = XXI YuCorr [Jugoslovenska korozija] Međunarodna konferencija, September 13-16, 2021, Tara Mountain, Serbia Beograd : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM., ORAL-75. https://hdl.handle.net/21.15107/rcub_dais_12382
Janačković M, Gvozdenović MM, Jugović B, Grgur B. Aqueous electrolyte polypyrrole | zinc cell with supercapattery performance. in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings = Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova / XXII YuCorr International Conference = XXI YuCorr [Jugoslovenska korozija] Međunarodna konferencija, September 13-16, 2021, Tara Mountain, Serbia. 2021;:ORAL-75. https://hdl.handle.net/21.15107/rcub_dais_12382 .
Janačković, Marija, Gvozdenović, Milica M., Jugović, Branimir, Grgur, Branimir, "Aqueous electrolyte polypyrrole | zinc cell with supercapattery performance" in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings = Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova / XXII YuCorr International Conference = XXI YuCorr [Jugoslovenska korozija] Međunarodna konferencija, September 13-16, 2021, Tara Mountain, Serbia (2021):ORAL-75, https://hdl.handle.net/21.15107/rcub_dais_12382 .