臺灣博碩士論文加值系統

本研究除了針對雙接面機械式堆疊上下子電池各含一個中間能帶結構，以細緻平衡方法進行效率計算外，還有針對雙接面各含一個中間能帶太陽能電池進行模組設計。本研究之條件在固定下子電池為單晶矽及最強聚光46050個太陽濃度時，其結果在Eg1=3.52 eV，Eg2=1.12 eV，EH1=2.04 eV，EH2=0.76 eV時會有最佳轉換率73.10%。在固定下層單晶矽子電池數目為60個，進行上下子電池的電流和電壓匹配模組化。以往傳統的太陽能電池模組都是以電流匹配結構連接，而研究發現電壓匹配結構在上層子電池數為19個時，即可到達超過73%的最佳轉換效率，此優於電流匹配結構的37個。此外，也找出電流與電壓匹配結構在不同下子電池模組數條件時的最佳上子電池模組數之趨勢線，趨勢線斜率分別為0.60、0.32。

In this study, in addition to the calculation of the efficiency of the double-junction mechanically stacked upper and lower subcell each containing an intermediate band structure with a detailed balance method, this study also includes a module design for the double-junction each containing an intermediate band solar cell.The conditions of this study are that when the fixed bottom subcell is crystal silicon and the maximum concentration of 46050 solar concentrations, the best conversion efficiency is 73.10% at Eg1=3.52 eV, Eg2=1.12 eV, EH1=2.04 eV, and EH2=0.76 eV.The number of fixed crystal silicon bottom batteries is 60, and perform current and voltage matching modularization of the upper and lower subcell.In the past, traditional solar cell modules were connected by current-matched structures. We find that the voltage-matched structure can achieve over 73% of the best conversion efficiency when the number of upper subcells is 19. It is superior to 37 of the current-matched structure.In addition, we also find out the trend line of the optimal upper subcell module number of the current and voltage matching structure under different conditions of the lower subcell module number. The slope of the trend line is 0.60, 0.32, respectively.

中文摘要 I
Abstract II
致謝 III
目錄 IV
圖目錄 VI
表目錄 VIII
第1章 緒論 1
1.1 前言 1
1.2 文獻回顧 2
1.2.1 單片集成、機械式堆疊結構 2
1.2.2 中間能帶結構 3
1.2.3 上下子電池電流/電壓匹配模組化 4
1.3 研究動機與目的 5
1.4 本文架構 6
第2章 研究方法 7
2.1 太陽能電池轉換效率 7
2.2 黑體輻射 8
2.3 細緻平衡的極限效率計算 9
2.4 中間能帶結構太陽能電池 11
2.5 串疊型結構太陽能電池 13
2.6 單片集成與機械式堆疊結構 14
2.7 機械式堆疊上下子電池各含一個中間能帶電流/電壓匹配模組化 15
第3章 結果與討論 17
3.1 單片集成與機械式堆疊雙接面各含一個中間能帶結構優化 17
3.1.1 能隙優化 17
3.1.2 最佳值與期刊之優化結果比較 20
3.1.3 不同太陽濃度之優化結果分析 21
3.2 電流和電壓匹配之模組化 22
3.2.1 能隙優化 22
3.2.2 中間能帶位置優化 28
3.2.3 子電池模組數優化 32
3.2.4 模組化結構在1個與46050個太陽濃度下之優化結果分析 35
3.2.5 單一雙接面元件與模組化的結果比較 36
3.3 不同太陽濃度對模組化之影響 37
3.3.1 上子電池模組數隨太陽濃度之變化 37
3.3.2 上下子電池模組數比值隨太陽濃度之變化 51
3.4 符合能隙優化結果之材料與單晶矽形成中間能帶之文獻 58
第4章 結論 60
參考文獻 61

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