Investigations on the stability of titanium(II) species in AlCl3-dimethylsulfone electrolytes

Authors
Legrand, L Chausse, A Messina, R
Citation
L. Legrand et al., Investigations on the stability of titanium(II) species in AlCl3-dimethylsulfone electrolytes, ELECTR ACT, 46(15), 2001, pp. 2407-2413
Citations number
25
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
ELECTROCHIMICA ACTA
ISSN journal
00134686 → ACNP
Volume
46
Issue
15
Year of publication
2001
Pages
2407 - 2413
Database
ISI
SICI code
0013-4686(20010430)46:15<2407:IOTSOT>2.0.ZU;2-R
Abstract
The stability of titanium(II) species was studied in AlCl3-dimethylsulfone electrolyte at 130 degreesC through voltammetry and chronopotentiometry. Th e reduction of Ti-III to Ti-II involves an electrochemical-chemical ErCi' m echanism, i.e. reversible electron transfer followed by an homogeneous oxid ation reaction of Ti-II to Ti-III with dimethylsulfone acting as an oxidizi ng species. The pseudo-first-order rate constant value of the chemical step , worked out from current reversal chronopotentiometry (CRC) equals 0.21 +/ - 0.03 s(-1). (C) 2001 Elsevier Science Ltd. All rights reserved.