Microelectrode-Based Characterization Systems: Application to Lithium Ion Battery Materials

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  • NISHIZAWA Matsuhiko
    Department of Applied Chemistry, Graduate School of Engineering, Tohoku University
  • UCHIDA Isamu
    Department of Applied Chemistry, Graduate School of Engineering, Tohoku University

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Abstract

<p>Some of recent topics on the use of microelectrodes for the characterization of solid materials, especially the active materials of lithium ion batteries, were overviewed based mainly on our research. The microelectrodes used here can be classified to the microdisk and interdigitated array. The systems based on the microdisk electrodes were established for the characterization of a single particle of active materials. On the other hand, the interdigitated array microelectrodes were used for measuring conductivity changes of materials' film in situ during the lithium insertion / extraction reaction. It is demonstrated here that the microelectrode-based characterization techniques bring unique information, which will contribute to the design of high performance lithium ion batteries.</p>

Journal

  • Electrochemistry

    Electrochemistry 67 (5), 420-426, 1999-05-05

    The Electrochemical Society of Japan

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