Low temperature behaviour of TiO2 rutile as negative electrode material for lithium-ion batteries

M. Marinaro, M. Pfanzelt, Pierre Kubiak, R. Marassi, M. Wohlfahrt-Mehrens

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

High surface nanosized rutile TiO2 is prepared via a sol-gel method from an ethylene glycol-based titanium-precursor in the presence of a non-ionic surfactant, at pH 0. Its electrochemical behaviour has been investigated at low temperature using two different potential windows. Typically, the potential window of the rutile system is 1-3 V but the use of an enlarged potential window (0.1-3 V), leads to an excellent reversible capacity of 341 mAh g-1 which is comparable to graphite anodes. The electrochemical performance was investigated by cyclic voltammetry and galvanostatic techniques at temperatures ranging from -40 to 20 °C. Nanosized TiO2 exhibits excellent rate capability (341 mAh g -1 at 20 °C, 197 mAh g-1 at -10 °C, 138 mAh g -1 at -20 °C, and 77 mAh g-1 at -40 °C at a C/5 rate) and good cycling stability. The superior low-temperature electrochemical performance of nanosized rutile TiO2 may make it a promising candidate as lithium-ion battery material.

Original languageEnglish
Pages (from-to)9825-9829
Number of pages5
JournalJournal of Power Sources
Volume196
Issue number22
DOIs
Publication statusPublished - 15 Nov 2011
Externally publishedYes

Fingerprint

electrode materials
rutile
electric batteries
lithium
Electrodes
ions
Graphite
Ethylene Glycol
Nonionic surfactants
Ethylene glycol
Titanium
Temperature
Sol-gel process
Cyclic voltammetry
glycols
Anodes
anodes
ethylene
graphite
titanium

Keywords

  • Lithium insertion
  • Low temperature performance
  • Nanosized rutile TiO

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Physical and Theoretical Chemistry

Cite this

Low temperature behaviour of TiO2 rutile as negative electrode material for lithium-ion batteries. / Marinaro, M.; Pfanzelt, M.; Kubiak, Pierre; Marassi, R.; Wohlfahrt-Mehrens, M.

In: Journal of Power Sources, Vol. 196, No. 22, 15.11.2011, p. 9825-9829.

Research output: Contribution to journalArticle

Marinaro, M. ; Pfanzelt, M. ; Kubiak, Pierre ; Marassi, R. ; Wohlfahrt-Mehrens, M. / Low temperature behaviour of TiO2 rutile as negative electrode material for lithium-ion batteries. In: Journal of Power Sources. 2011 ; Vol. 196, No. 22. pp. 9825-9829.
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