Electrochemical deposition and pseudocapacitive behavior in urea-based quasi-ionic liquid electrolytes studied with X-ray absorption spectra

Ming Jay Deng*, Jin Ming Chen, Kueih Tzu Lu, Cheng Chia Wang, Jyh Fu Lee, Jeng-Kuei Chang

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Co(ii), Sn(ii), V(iii), Ni(ii), Mn(ii), and Ru(iii) species in urea-based quasi-ILs were investigated using cyclic voltammograms and X-ray absorption near-edge structure (XANES) spectra. The excellent pseudocapacitive characteristics of MnO 2 -graphene nanocomposite electrodes in ILs, associated with the large variation of Mn oxidation state during charge and discharge cycles, were also elucidated using in situ XANES spectra.

Original languageEnglish
Pages (from-to)9383-9386
Number of pages4
JournalRSC Advances
Volume2
Issue number25
DOIs
StatePublished - 21 Oct 2012

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