臺灣博碩士論文加值系統

氫能源是最重要的潔淨能源之一，而目前的氫能源技術尤其是氫氣的製造與儲存上仍有許多值得研究的課題。本研究專注於利用矽顆粒來製造氫氣，並將氫氣應用於燃料電池裝置中發電，實驗探討多種影響產氫速度、產量等因素，結果顯示pH增加、升溫或攪拌溶液均有助於氫氣生成反應；利用超音波震盪反應系統，可大幅縮短獲得氫氣的誘導時間。另外，實驗發現矽粒徑越小，產氫速度越快，且獲得氫氣的誘導時間也越短。實驗利用球磨塑形矽，並討論相關因素影響，其中以Si: 0.5 mm ZrO2=1:10、600 rpm球磨10 hr，可使44 μm 矽磨成312 nm 矽。最後，嘗試以矽晶切割廢料產氫，並探討該矽泥產氫表現，同時將其成功應用於燃料電池發電。

Hydrogen energy is one of the most important clean energy, and currently many subjects about the manufacture and storage of hydrogen are studied. This research focused on producing hydrogen by silicon in NaOH(aq), and the produced hydrogen was used to generate electricity via a fuel cell. The effects of various factors on hydrogen production rate and yield were explored. The experimental results show that increasing pH and temperature or stirring solution were helpful to increase hydrogen generation rate. Using ultrasonic vibration could significantly reduce the incubation time to obtain hydrogen. In addition, the faster hydrogen generation and the shorter incubation time could be obtained by using the smaller silicon particles. In the study, we adopted ball milling to shape the silicon and discussed some milling effects on shaping were systematically investigated. By the ratio of Si:0.5 mmZrO2 =1:10 and 600 rpm-milling for 10 hr, the size of silicon reduced from 44 μm to 312 nm. Finally, we used the silicon slurry waste to produce hydrogen, and applied the hydrogen to generate electricity by a fuel cell successfully.

目錄

中文摘要…………………………………………………………………………………….....i
英文摘要…………………………………………………………………………………......ii
目錄…………………………………………………………………………………………...iii
表目錄.......................................................................................................................................v
圖目錄.....................................................................................................................................vi
第一章 緒論........................................................................................................................1
1-1 氫能源發展現況...............................................................................................1
1-2 氫能源之瓶頸與挑戰.......................................................................................2
1-3 資源化矽泥的重要性.......................................................................................5
1-4 研究動機與目的…………………………………………………………......7
第二章 文獻回顧…………………………………………………………………….......8
第三章 理論與分析技術......................................................................................................27
3-1 球磨原理……………………………………………………………………….27
3-2 分散原理…………………………………………………………………...30
3-3 產氫原理…………………………………………………………………….35
第四章 實驗設備與方法……………………………………………………………………37
4-1 實驗藥品與耗材……………………………………………………………...37
4-2 儀器設備……………………………………………………………………….38
4-3 分析儀器……………………………………………………………..………..38
4-4 實驗流程與步驟………………………………………………………………38
4-4-1 球磨法研磨矽…………………………………………………………38
4-4-2 粒子分散及測量……………………………………………………..39
4-4-3 產氫實驗………………………………………………………………41
4-4-4 產氫實驗後的分析…………………………………………………..45
第五章 結果與討論……………………………………………………………………….51
5-1 球磨參數對矽粒徑的影響…………………………………………...……..…51
5-1-1磨球與矽比例的影響…………………………………………………..51
5-1-2 磨球尺寸效應………………………………………………………….52
5-1-3 球磨轉數效應…………………………………………………………..55
5-1-4 球磨罐填充量效應……………………………………………………..56
5-1-5 球磨時間效應………………………………………………………..58
5-2 不同介質中矽粒子的分散與粒徑…………………………………….............59
5-3 矽產氫的分析………………………………………………………….........69
5-3-1 矽產氫的優勢………………………………………………………….69
5-3-2 NaOH濃度的效應…………………………………………….............71
5-3-3 溫度效應……………………………………………………………..76
5-3-4 擾動液體效應…………………………………………………………..78
5-3-5 矽的尺寸效應…………………………………………………………79
5-4 矽產氫後發電…………………………………………………………........81
第六章 結論………………………………………………………………………………….89
參考文獻
符號彙編

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