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Journal of Solid State Electrochemistry

, Volume 12, Issue 3, pp 295–302 | Cite as

Lithium AlPO4 composite polymer battery with nanostructured LiMn2O4 cathode

  • Zhumabay Bakenov
  • Masanobu Nakayama
  • Masataka Wakihara
  • Izumi Taniguchi
Original Paper

Abstract

The borate ester plasticized AlPO4 composite solid polymer electrolytes (SPE) have been synthesized and studied as candidates for lithium polymer battery (LPB) application. The electrochemical and thermal properties of SPE were shown to be suitable for practical LPB. Nanostructured LiMn2O4 with spherical particles was synthesized via ultrasonic spray pyrolysis technique and has shown a superior performance to the one prepared via conventional methods as cathode for LPB. Furthermore, the AlPO4 addition to the polymer electrolyte has improved the polymer battery performance. Based on the AC impedance spectroscopy data, the performance improvement was suggested as being due to the cathode/polymer electrolyte interface stabilization in the presence of AlPO4. The Li/composite polymer electrolyte/nanostructured LiMn2O4 electrochemical cell showed stable cyclability during the various current density tests, and its performance was found to be quite acceptable for practical utilities at ambient temperature and showed remarkable improvements at 60 °C compared with the solid state reaction counterpart.

Keywords

Lithium polymer batteries Nanostructured lithium manganese oxide Cathode/electrolyte interface 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Zhumabay Bakenov
    • 1
  • Masanobu Nakayama
    • 1
  • Masataka Wakihara
    • 1
  • Izumi Taniguchi
    • 2
  1. 1.Department of Applied ChemistryTokyo Institute of TechnologyTokyoJapan
  2. 2.Department of Chemical EngineeringTokyo Institute of TechnologyTokyoJapan

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