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    An improved battery characterization method using a two-pulse load test

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    Date
    2008-06-01
    Author
    Coleman, M.
    Hurley, W.G.
    Chin Kwan Lee,
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    Recommended Citation
    Coleman, M. Hurley, W.G.; Chin Kwan Lee, (2008). An improved battery characterization method using a two-pulse load test. IEEE Transactions on Energy Conversion 23 (2), 708-713
    Published Version
    http://hdl.handle.net/10397/8172
    Abstract
    It is very important to have the ability to determine the available capacity, the state of charge (SoC), and the state of health (SoH) of a battery; this ensures that the battery has the available power for the system requirements. A battery is aged by charging and discharging cycles; this process degrades the chemical composition of the battery. An undercharged battery has sulphation and stratification effects that shorten the lifetime of the battery. Overcharging causes gassing and water loss. This paper describes a novel two-pulse test to determine the AHC, SoC, and SoH of a valve regulated lead acid (VRLA) and a lithium ion battery. These parameters are related to the voltage drop after each pulse of current discharge. The first pulse stabilizes the battery relative to its previous history, and the second pulse establishes the parameters. The new approach is fully validated by experiment.
    URI
    http://hdl.handle.net/10379/10842
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    • Externally hosted open access publications with NUI Galway authors (2)
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