Electrochemical properties of NaTi2(PO4)3 anode for rechargeable aqueous sodium-ion batteries

Sun Il Park, Irina Gocheva, Shigeto Okada, Jun Ichi Yamaki

Research output: Contribution to journalArticle

272 Citations (Scopus)

Abstract

The charge/discharge characteristics of NaTi2(PO 4)3 as an anode active material for aqueous sodium-ion battery containing 2 M Na2SO4 aqueous electrolyte were examined. Cyclic voltammograms, galvanostatic discharge/charge and XRD data of the material indicated that sodium can be reversibly intercalated into NASICON-type NaTi2(PO4)3 without serious degradation of the host structure. The best reversible capacity at rate of 2.0 mA cm-2 was 93 of the theoretical capacity of 133 mAh g-1 and the plateau voltage was 2.1 V versus Na/Na.

Original languageEnglish
Pages (from-to)A1067-A1070
JournalJournal of the Electrochemical Society
Volume158
Issue number10
DOIs
Publication statusPublished - 2011

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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