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標題: | 含有化學產氫系統之燃料電池電動車自動進料系統研發 The Development of an Auto-Feeding System for the PEMFC Electric Vehicle with Chemical Hydrogen Generation System |
作者: | Yu-Ting Teng 鄧宇廷 |
指導教授: | 王富正(Fu-Cheng Wang) |
關鍵字: | 自動進料,化學產氫,硼氫化鈉,燃料電池,電動車,能量密度, Auto-feeding system,Chemical hydrogen generator,Sodium borohydride,Fuel Cell,Electric vehicle,Energy density, |
出版年 : | 2017 |
學位: | 碩士 |
摘要: | 本論文開發一套硼氫化鈉(Sodium borohydride;NaBH4)自動進料系統,用以供應本實驗室已架設完成之燃料電池混合電力電動車使用,此自動進料系統根據已開發之化學產氫系統需求所設計,用以調配定量硼氫化鈉溶液,並多次測試自動進料系統產氫量。此外亦使用Matlab/SimpowerSystemTM模擬自動進料系統供應市售規格之燃料電池電動車所能提升之能量密度與行駛距離。
實際架設之前,優先根據硼氫化鈉粉末易吸水潮解之性質,並以提升能量密度與進料次數為目標,構思多種自動進料系統設計架構,並比較各種設計之優缺點與建構容易度。本論文最終使用物理吸濕式防潮箱與兩個氣動式閘刀閥(Knife Gate Valve)做為粉末進料架構主要元件,在防潮箱中保存大量硼氫化鈉粉末,並使用管道連結防潮箱與閘刀閥,利用兩個閘刀閥之間的空間進行硼氫化鈉粉末定量批次進料,依照所配置的化學產氫機燃料濃度需求設計批次粉末進料量並搭配水箱與果汁機,以達到完整的硼氫化鈉溶液調配流程,同時根據本實驗室已建構完成之燃料電池混合電力電動車內部所能利用之有限空間,架設一套硼氫化鈉自動進料系統。 為測試架設完成之系統穩定性,進行多次閘刀閥開啟時間操作以測試粉末進料量,並測試自動進料系統與化學產氫系統結合後實際產氫誤差量。最終根據市售車輛油箱規格,討論自動進料系統粉末與水箱容量最佳配置比例以及為電動車所提升的能量密度與行駛距離,除此之外,亦利用 模擬市售規格之燃料電池電動車輛搭載自動進料系統後行駛距離量,以此探討自動進料系統在未來市售規格燃料電池電動車中行程增益,以此評估移動式供電站之發展可行性。 This thesis develops a sodium borohydride (NaBH4) auto-feeding system that can supply hybrid Proton Exchange Membrane Fuel Cell (PEMFC) electric vehicle built by our laboratory. The auto-feeding system is designed in accordance with the quantity of NaBH4 solution which is the demand of the chemical hydrogen generator, and we test the hydrogen product error of the complete system several times. Moreover, we simulate the energy density and driving distance for the marketable PEMFC electric vehicle using auto-feeding system by Matlab/SimpowerSystemTM. For rising the energy density and feeding times, we design and compare various types of auto-feeding system structure based on the deliquescence of NaBH4 powder. Finally, we choose the dry cabinet and two pneumatic knife gate valves as the main components of powder-feeding structure, and use a passage to connect the dry cabinet, which preserves NaBH4, with the knife gate valve. The space of two knife gate valves can quantitate the NaBH4 powder for each batch, and the quantity of NaBH4 powder is set in accordance with the requirement of the chemical hydrogen generator. Therefore, we can accomplish the NaBH4 solution dispensing procedure with water tank and juicer, and choose the suitable sizes for all components based on the useable space from our PEMFC electric vehicle. For testing the stability of the system, we control opening time of the knife gate valves repeatedly to measure the powder-feeding quantity, and combine the auto-feeding system with chemical hydrogen generator to test the real hydrogen product error. Finally, according to the fuel tank volume of marketable vehicle, the optimal volume ratio of the water tank to NaBH4 tank is discussed. Moreover, we compare our PEMFC electric vehicle using auto-feeding system and NaBH4 solution fuel tank about the energy density and the driving distance. Furthermore, we build a simulation system in Matlab/SimpowerSystemTM based on the marketable PEMFC electric vehicle, and simulate the vehicle driving with auto-feeding system to discuss the distance improvement. According to the simulation result, the practicality of movable power station can be estimated. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/68140 |
DOI: | 10.6342/NTU201704428 |
全文授權: | 有償授權 |
顯示於系所單位: | 機械工程學系 |
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