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    National Tsing Hua University Institutional Repository > 工學院  > 化學工程學系 > 期刊論文 >  Numerical simulation for the discharge behaviors of batteries in series and/or parallel-connected battery pack

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/37854

    Title: Numerical simulation for the discharge behaviors of batteries in series and/or parallel-connected battery pack
    Authors: Mao-Sung Wu;Chang-Yen Lin;Yung-Yun Wang;Chi-Chao Wan;C.R. Yang
    教師: 王詠雲
    Date: 2006
    Publisher: Elsevier
    Relation: Electrochimica Acta, Elsevier, Volume 52, Issue 3, 12 November 2006, Pages 1349-1357
    Keywords: Battery pack
    Lithium-ion batteries
    Discharge behavior
    Abstract: c2006 Elsevier - Battery packs of multi-batteries supply high voltage when batteries are connected in series and high capacity when connected in parallel, which provides a new substitution of power supply for portable electronic device. A simulation method is, therefore, proposed to simulate the discharge behaviors of battery system with parallel and/or series connection. Using the simulation proposed, voltage, discharging capacity and residual capacity of the pack and individual battery at every time unit may be calculated at a given discharge current. When one of the batteries in the series-connection has a distinctly lower capacity, this battery reaches its fully discharged state sooner than the others during discharge. The simulated current distribution of a battery pack of two different-capacity batteries in parallel shows that although the pack is discharged at constant current, current through each battery is neither a constant nor proportional to its capacity. A battery of higher capacity carries a larger current. A pronounced change in current is observed near the end of the discharge process where voltage is near the cut-off value. We believe the proposed simulation method may be extended to a battery pack of multiple batteries of any capacity in any number and connections.
    URI: http://www.elsevier.com/
    Appears in Collections:[化學工程學系] 期刊論文

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