Novel graphite/TiO2 electrochemical cells as a safe electric energy storage system

Arjun Kumar Thapa, Gumjae Park, Hiroyoshi Nakamura, Tatsumi Ishihara, Nariaki Moriyama, Toshihiko Kawamura, Hongyu Wang, Masaki Yoshio

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


A graphite/TiO2 full cell has been developed as a new safety energy storage system using a highly safety process. The crystal structures of the anatase TiO2 electrode have been investigated with respect to the performance of the electrodes. Due to the large anion intercalation into the graphite positive electrode, the possible charging potential can be raised to around 5.3 V against the Li/Li+ electrode, which is a higher charging voltage than lithium-ion batteries (maximum voltage is around 4.3 V vs. Li/Li+). In situ XRD measurements have been carried out on both the cathode and anode electrodes of the graphite/TiO2 cell during the charge process to elucidate the intercalation mechanism.

Original languageEnglish
Pages (from-to)7305-7309
Number of pages5
JournalElectrochimica Acta
Issue number24
Publication statusPublished - Oct 1 2010

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

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