ORIGIN OF THE IMPROVED CYCLING CAPABILITY OF SOL-GEL PREPARED FE0.12V2O5.16 COMPARED WITH V2O5

Authors
MAINGOT S DENIARD P BAFFIER N PEREIRARAMOS JP KAHNHARARI A BREC R WILLMANN P
Citation
S. Maingot et al., ORIGIN OF THE IMPROVED CYCLING CAPABILITY OF SOL-GEL PREPARED FE0.12V2O5.16 COMPARED WITH V2O5, Journal of power sources, 54(2), 1995, pp. 342-345
Citations number
10
Categorie Soggetti
Electrochemistry,"Energy & Fuels
Journal title
Journal of power sources → ACNP
ISSN journal
03787753
Volume
54
Issue
2
Year of publication
1995
Pages
342 - 345
Database
ISI
SICI code
0378-7753(1995)54:2<342:OOTICC>2.0.ZU;2-W
Abstract
A new vanadium iron oxide has been synthesized starting from V2O5 xero gel through an exchange reaction. In its Rietveld-determined structure , (FeO6) apex sharing octahedra link V2O5 ribbons and increase the thr ee-dimensional character of the material. This fatter point seems to i mprove the electrochemical behaviour when compared with V2O5. Especial ly, in terms of cycle life, a capacity of 210 Ah/kg is maintained afte r 40 cycles in the potential window of 3.8-2 V instead of 150 Ah/kg fo r V2O5.