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以作者查詢圖書館館藏 、以作者查詢臺灣博碩士 、以作者查詢全國書目 、勘誤回報 、線上人數：58 、訪客IP：18.222.106.205
姓名 李易翰(Yi-Han Lee) 查詢紙本館藏 畢業系所 電機工程學系 論文名稱 P型鎂矽錫合金及其熱電模組研究
(Thermoelectric Module Properties of P-type Mg2(Si,Sn) Alloy)相關論文 檔案 [Endnote RIS 格式]
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[完整記錄]
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至系統瀏覽論文 ( 永不開放)
摘要(中) 在近年來，全球都在追求綠能發電，綠能能遏制地球環境的劣化，所以現今積極地開發綠色能源為主要的研究議題，而熱電能本身是種非常良好的綠色能源，熱電效應是指一種熱能與電能互相轉換的效應，其環保價值非常高，可以應用於，例如廢熱回收、溫差發電、熱電致冷等等…。而影響熱電效應好壞取決於材料本身的熱電優值(ZT)。因此提升材料ZT為其中最為重要的研究。
本研究主要透過在摻雜反應製作出P、N-type 奈米粉末，在與鎂錫粉末混合並冷壓成錠，接著在不同溫度下做退火反應，並得到何種溫度下最好的熱電特性，再使用此錠，來製作其模組，並量測其特性。摘要(英) In these years, the power consumption has been reaching new records, consuming lots of energy from coal, gasoline, fuel, and nuclear. These energy resource has their own drawbacks, resulting in pollutions and hazardous substance. Due to the concern of environmental sustainability, clean energy is in demand and in dire need.
In this study, P and N-type nanopowders were prepared by mechanical grinding, followed by doping and mixing to obtain the designed composition. Then it was cold-pressed into ingots and annealed at different temperatures to study the thermoelectric properties. The thermoelectric module was made and measured to test its conversion efficiency.關鍵字(中) ★ P型鎂矽錫合金及其熱電模組研究
★ 熱電模組
★ P型鎂矽錫合金關鍵字(英) ★ Thermoelectric Module Properties of P-type Mg2(Si,Sn) Alloy
★ Thermoelectric Module
★ P-type Mg2(Si,Sn) Alloy論文目次 目錄
摘要................................................................i
Abstract...........................................................ii
目錄...............................................................iv
第一章、導論........................................................1
1-1 前言................................................................ 1
1-2 研究動機............................................................ 2
1-3 熱電歷史............................................................ 2
1-4 文獻回顧 ........................................................... 3
第二章、實驗方法與儀器..............................................5
2-1 球磨粒徑 5um 矽粉末 ................................................. 5
2-2 混合粉末並退火 ..................................................... 5
2-3 冷壓成錠 ........................................................... 5
2-4 退火反應 ........................................................... 5
2-5 組裝模組............................................................ 5
2-6 量測儀器 ........................................................... 6
2-6-1 Seebeck 量測.................................................... 6
2-6-2 電導率量測 ..................................................... 7
2-6-3 密度量測 ....................................................... 8
2-6-4 熱擴散量測 ..................................................... 8
2-6-5 比熱量測 ....................................................... 9
2-6-6 熱導率量測 .................................................... 10
2-6-7 熱電優質 ZT(Figure of merit): .................................. 10
第三章、實驗流程與步驟.............................................11
3-1 前言 .............................................................. 11
3-2 實驗流程設計 ...................................................... 12
v
3-3 實驗步驟 .......................................................... 13
3-3-1 矽粉末球磨 .................................................... 13
3-3-2 P type 摻雜 ................................................... 14
3-3-3 混合美矽錫銀粉末 .............................................. 15
3-3-4 冷壓成錠 ...................................................... 15
3-3-5 封管及加壓 Cr .................................................. 16
3-3-6 組裝模組 ...................................................... 16
3-3-6-1 開路電壓量測...................................20
3-3-6-2 短路電流量測...................................20
3-3-6-3 輸出功率.......................................21
第四章、實驗結果與討論.............................................22
4-1 前言 .............................................................. 22
4-2 退火後詴片量測..................................................... 22
4-2-1 高溫退火量測................................................... 22
4-2-2 退火量測 ...................................................... 26
4-2-3 加壓 Cr 後退火量測 ............................................. 43
4-2-4-2 塊材退火量測...................................48
4-2-4-3 最佳 ZT 塊材 XRD 分析............................49
4-3 熱電模組電性量測 .................................................. 50
4-3-1 熱電模組組裝 .................................................. 50
4-3-2 Voc、Isc、Ri、Po量測 ............................................. 50
第五章、結論.......................................................52
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