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研究生:陳建霖
研究生(外文):Jiann-Lean Chen
論文名稱:硼氫化鈉產氫系統之研究
論文名稱(外文):Study on Hydrogen Production System based on Sodium Borohydride Solutions
指導教授:鄭錕燦
指導教授(外文):Kun-Tsan Jeng
口試委員:鄭錕燦陳照忠黃建立
口試委員(外文):Kun-Tsan JengJau-Jung ChenJiann-Lih Hwang
口試日期:2012-10-05
學位類別:碩士
校院名稱:大葉大學
系所名稱:機械與自動化工程學系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:101
語文別:中文
論文頁數:72
中文關鍵詞:燃料電池硼氫化鈉產氫效率觸媒反應器
外文關鍵詞:fuel cellSodium BorohydrideHydrogen production ratecatalyst reactor
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自工業革命以來,人類使用化石燃料,所排放的二氧化碳造成嚴重的溫室效應及汙染,且化石燃料總有用完的一天,使得潔淨能源技術的開發已迫在眉睫,在此情勢下,燃料電池成為取代低效高污染性引擎的首選。但燃料電池有著一個致命的缺點,便是氫氣的純度必須要很高,且儲存不易,所以,利用氫的化合物產氫,已經是一個大趨勢,在氫化物產氫中的「硼氫化鈉產氫」引起大家的討論與研究,因為硼氫化鈉含氫量高且硼氫化鈉溶液的濃度容易調配
,產氫後的副產物毒性低,對環境影響不大又可還原成硼氫化鈉,達到循環使用的目的。
本研究目的在於探討硼氫化鈉溶液於不同溶液流量下流經觸媒反應器的產氫總量、產氫效率以及分析觸媒反應器的耐久性。實驗過程中使用之硼氫化鈉溶液濃度為10wt%與15wt%,氫氧化鈉濃度為1wt%。研究結果顯示:硼氫化鈉產氫效率會隨著溶液流量改變。溶液濃度15wt%之硼氫化鈉溶液在溶液流量100cc/min下,溫度與產氫流量達到較穩定的狀態。觸媒反應器耐久性、產氫溶液黏度會影響產氫效率。

After the Industrial Revolution, people began to apply fossil fuel. However, the application of fossil fuel released CO2, which caused greenhouse effect and even polluted the environment. Not only concerning the negative to environment, but the amount of fossil fuel reduces abruptly these days. It’s urgent for people to explore for a substitute resource with little pollution. As taking this into concerned, fuel cell become the first choice. The only shortage of fuel cell is that it not only requires hydrogen with high purity, but be difficult to be storing. So, it trends to apply hydrogen by using composite of hydrogen -- Sodium Borohydride, in stead of using hydrogen directly.

People turn to discuss and study the Sodium Borohydride due to both the high capacity of hydrogen and the simplicity of density control. Most important of all, the generation of Sodium Borohydride is low-toxicity to environment and can be reverted to Sodium Borohydride, which also achieve the goal of recycling usage.

The objective of this study is to discuss the generation amount and efficiency of hydrogen production in different solution flow rate by flowing throw the catalyst reactor, and also to analyze the durability of catalyst reactor. During the experiments, the solution density of Sodium Borohydride is 10wt% and 15wt%; and the solution density of Sodium hydroxide is 1wt%. The research indicates that Hydrogen production rate changes with the solution flow rate. However, the temperature and the hydrogen production flow rate appear better stability while the Sodium Borohydride solution flow rate is 100cc/min with solution densence 15wt%. The durability of catalyst reactor and viscosity of hydrogen production will also affect the production of hydrogen.

目錄

封面內頁
簽名頁
中文摘要.........iii
ABSTRACT........iv
誌謝.............vi
目錄.............vii
圖目錄...........ix
表目錄............xi
第一章 緒論........1
1.1前言...........1
1.2燃料電池簡介....4
1.3 研究動機與目的........10
第二章 產氫技術介紹........12
2.1氫的特性...............12
2.2產氫技術簡介...........13
2.2.1化石燃料重組產氫......13
2.2.2水電解產氫...........14
2.2.3生物產氫.............15
2.2.4光電化學產氫.........17
2.2.5熱化學產氫...........17
2.2.6再生能源產氫..........18
2.2.7氫化物產氫...........18
2.3文獻回顧...............18
第三章 研究方法............28
3.1硼氫化鈉產氫實驗........30
3.2硼氫化鈉產氫元件之設計...31
A觸媒反應器與反應槽.........31
B燃料槽...................31
C冷凝器...................32
D乾燥器...................33
E蠕動幫浦.................35
F沉水幫浦.................36
G浮子式流量計.............37
H數位式溫度紀錄器..........38
3.3硼氫化鈉產氫實驗與量測...38
3.4 氫氣流量量測...........39
第四章 結果與討論...........40
4.1實驗量測結果............40
4.1.1溶液濃度15wt%於不同溶液流量之下產氫結果 .40
4.1.2溶液濃度10wt%與15wt%之產氫效率比較.....51
4.2 觸媒反應器耐久性分析....................53
第五章 結論.................................55
參考文獻.....................................57

參考文獻

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