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Pregled bibliografske jedinice broj: 665188

Časopis

Autori: Sopčić, Suzana; Peter, Robert; Petravić, Mladen; Mandić, Zoran
Naslov: New insights into the mechanism of pseudocapacitance deterioration in electrodeposited MnO2 under negative potentials
Izvornik: Journal of power sources (0378-7753) 240 (2013); 252-257
Vrsta rada: članak
Ključne riječi: MnO2; supercapacitors; capacitance deterioration; EQCM
Sažetak:
The mechanism of deterioration of the capacitive response of electrodeposited MnO2 under reducing potentials has been studied by combined electrochemical and quartz crystal microbalance, XPS and SEM techniques. Cycling of the electrode towards cathodic potentials of −0.3 V vs. Ag/AgCl leads to irreversible reduction resulting in low valence manganese oxide, most probably Mn2O3. The reduction is accompanied by phase transformation with the uptake of considerable amounts of water into the layer. The capacitive behaviour of the MnO2 electrode fades with prolonged cycling with the concomitant change of charging/discharging mechanism.
Projekt / tema: 098-0982904-2905, 125-1252973-2576
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
SCI-EXP, SSCI i/ili A&HCI
Current Contents Connect (CCC)
Scopus
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Kemija,Kemijsko inženjerstvo
URL Internet adrese: http://dx.doi.org/10.1016/j.jpowsour.2013.04.008
Broj citata:
Altmetric:
DOI: 10.1016/j.jpowsour.2013.04.008
URL cjelovitog teksta: http://dx.doi.org/10.1016/j.jpowsour.2013.04.008
Google Scholar: New insights into the mechanism of pseudocapacitance deterioration in electrodeposited MnO2 under negative potentials
Upisao u CROSBI: Zoran Mandić (zmandic@fkit.hr), 16. Pro. 2013. u 13:30 sati



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