Hybrid Thermo-Electrochemical In Situ Instrumentation for Lithium-Ion Energy Storage

Tazdin Amietszajew, Joe Fleming, Alexander J. Roberts, Widanalage D. Widanage, David Greenwood, Matt D. R. Kok, Martin Pham, Dan J. L. Brett, Paul R. Shearing, Rohit Bhagat

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    Abstract

    Abstract Current state-of-the-art monitoring and control techniques for lithium-ion cells rely on full-cell potential measurement and occasional surface temperature measurements. However, Li-ion cells are complex multi-layer devices and as such these techniques have poor resolution, limiting applicability. In this work we develop hybrid thermo-electrochemical sensing arrays placed within the cell. The arrays are integrated into A5 pouch cells during manufacture and are used to create thermal maps in parallel with anode and cathode electrochemical data. The sensor array can be adapted to a range of cell formats and chemistries and installed into commercial or other industrially relevant cells, incorporating enhanced thermal and electrochemical diagnostic capability into a standard cell build.
    Original languageEnglish
    Pages (from-to)934-940
    Number of pages7
    JournalBatteries & Supercaps
    Volume2
    Issue number11
    Early online date3 Sep 2019
    DOIs
    Publication statusPublished - Nov 2019

    Bibliographical note

    This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

    Keywords

    • electrochemistry
    • energy storage
    • in situ instrumentation
    • lithium ion batteries
    • sensors

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