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    Title: 以電化學模式為核心之鋰電池充電流程模擬與分析
    Other Titles: Analysis and simulation of lithium battery charging based on electrochemical model
    Authors: 馬阡蔚;Ma, Chien-Wei
    Contributors: 淡江大學航空太空工程學系碩士班
    蕭照焜;Shiau, Jau-Kuen
    Keywords: 電池模型;升降壓電源轉換器;電池充電模型;battery model;buck-boost power converter;battery charging model
    Date: 2012
    Issue Date: 2013-04-13 11:58:26 (UTC+8)
    Abstract: 本篇論文主要是以鋰離子電池的電化學模式結合電源升降壓轉換器運用在太陽能電源管理系統的鋰電池充放電流程的分析。鋰離子嵌入和脫出正負極材料而造成電池內部的鋰離子濃度變化,鋰電池的電壓會因內部鋰離子濃度變化而有所不同。經由升降壓轉換器的三個模式:升壓、降壓和升降壓;根據充電的形式調整升降壓轉換器的模式來對電池進行充電。電池濃度的判斷,是將電極假設為單一球型粒子,藉由得到粒子表層的濃度分布後,經由鋰電池的開路電壓方程式來計算出電池的電壓狀況及電池之殘存電量,並於MATLAB環境先行模擬電池充電,最後再由建立在simulink底下的PLECS電子電路模擬軟體來執行鋰電池充電流程分析與模擬。並將充電過程和當下電池的殘存電量完整地呈現出來。
    This thesis presents the analysis and simulation of Li-ion battery charging process for a solar powered battery management system based on electrochemical model. The battery is charged with a non-inverting synchronous buck-boost DC/DC power converter. The system can operate in buck, buck-boost or boost mode according to the condition of the supply voltage from the solar panels. The approximate electrochemical based lithium battery model is investigated and tailored to control and estimation applications. The approximate model is expressed in state space form with nonlinear output. In this model, the surface concentration information and the applied current , the battery voltage can be determined. A dynamical model for the battery charging process is established based on electrochemical model for the Li-ion battery along with the dynamic model of the buck-boost power converter. The battery charging model is verified by utilizing the MATLAB based Simulink toolbox-Piecewise Linear Electric Circuit Simulation tool.
    Appears in Collections:[航空太空工程學系暨研究所] 學位論文

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