研究生: |
謝文洲 Hsieh, Wen-Chou. |
---|---|
論文名稱: |
利用加速壽命試驗建構超級電容器壽命預測模型 Lifetime prediction model for supercapacitors using accelerated life testing |
指導教授: |
吳建瑋
Wu, Chien-Wei |
口試委員: |
侯建良
張國浩 |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 工業工程與工程管理學系碩士在職專班 Industrial Engineering and Engineering Management |
論文出版年: | 2018 |
畢業學年度: | 106 |
語文別: | 中文 |
論文頁數: | 105 |
中文關鍵詞: | 環境應力 、複合應力模型 、活化能 、加速因子 、壽命預測 |
外文關鍵詞: | Environment stress, Combination Model, Activation energy, Accelereted factor, Lifetime prediction |
相關次數: | 點閱:2 下載:0 |
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超級電容器具有大電流快速充放電以及大容量的電氣特性,為一新世代的儲能元件,目前全球各家超級電容器製造廠在市場上所宣稱的產品壽命皆為10年,唯至目前並無任何廠商提出完整的實證資料作為保證的依據。
為嘗試建構超級電容適用之壽命時間預測模型,本研究以超級電容器作為研究對象,並依超級電容器設計使用時的主要二大條件:負載額定電壓與環境溫度作為環境應力規劃執行超級電容器的加速壽命試驗,來達到期望的設定時間內使產品發生劣化最終導致失效的目的,透由失效數據的分析,除可瞭解電壓與溫度對於超級電容器壽命的影響外,亦可推估得出超級電容器在正常使用環境與條件使用下之平均壽命時間。
研究中以複合應力模型(Combination model)規劃不同的環境溫度與電壓設定條件進行加速壽命試驗,定義電容量衰退幅度超過30%為試驗終止條件並作為試驗終止的依據,接著進行失效數據分析,分別探討溫度與電壓對於超級電容器壽命的影響並計算得出活化能Ea與係數m,最終完成複合應力模型的建構並求出各溫度、電壓條件下之加速因子,進而推估出超級電容器正常使用以及個別設定溫度與電壓條件下的平均壽命時間。
As the next generation of energy storage component, supercapacitors has the characteristic of high capacitance with quick charge/discharge under high current. Although major manufacturers around the globe claim supercapacitor can operate for 10 years, none of them has provided complete empirical data as hard supporting evidence.
In order to build a suitable life prediction model for supercapacitor, this research uses two major factors from designing phase; rated load voltage and ambient temperature; as the condition of environmental stress plan to perform accelerated life test in hoping to get product deterioration and eventual failure in set time. 30% of capacitance decay is set as the basis of test termination. Activation energy Ea and coefficient m is then calculated and used to complete the construction of stress model.
In the end, through failure analysis, we not only get to understand how voltage and temperature affects the life of supercapacitor, but also can estimate its average life expectancy under normal and specific condition.
中文部分
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