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Li Insertion Into Li-Ti-O Spinels: Voltammetric and Electrochemical Impedance Spectroscopy Study
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SYSNO ASEP 0181255 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Li Insertion Into Li-Ti-O Spinels: Voltammetric and Electrochemical Impedance Spectroscopy Study Author(s) Krtil, Petr (UFCH-W) RID, ORCID
Fattakhova, Dina (UFCH-W)Source Title Journal of the Electrochemical Society. - : Electrochemical Society - ISSN 0013-4651
Roč. 148, č. 9 (2001), s. A1045-A1050Number of pages 6 s. Language eng - English Country US - United States Keywords Li insertion ; impedance spectroscopy ; Frumkin insertion isotherm Subject RIV CG - Electrochemistry R&D Projects GA203/99/0879 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z4040901 - UFCH-W Annotation The insertion into spinel occurs at potential 300mV more negative to that of insertion into anatase and about 40mV positive to that into rutile. The specific capacity (160mAh/g) is comparable with that of TiO2 polymorphs. Due to the relatively negative potential of the insertion and significantly lower tendency to self-discharge Li-Ti-O spinel is more convenient for use in 2V lithium ion battery than other active physes in the Li-Ti-O system. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2002
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