指導教授：韋文諴臺灣大學：材料科學與工程學研究所張源開Cheong, Un-HoiUn-HoiCheong2014-11-262018-06-282014-11-262018-06-282014http://ntur.lib.ntu.edu.tw//handle/246246/262082生質材料在台灣屬最有前途的可再生能源之一。然而生質料經過氣化後，氣體裡會含有一些雜質如焦油，會使催化劑或陽極因積碳或毒化而影響其效能。在本論文裡將會研究三種台灣較易容取得之生質料，包括：棕櫚纖維(PF)，柳杉(CW)，廢木屑(WS) ， 都市固體廢棄物(MSW)。通過添加碳酸鹽催化劑與否和使用Ni-CeO2/γ-Al2O3 重整燃氣的研究，提高了合成氣中氫氣的比例，而焦油也得到了減少。最後經過自組裝的SOFC進行測試，在800oC測到的OCV值為1.00伏　(開路電壓)，輸出功率為62 mWcm-2，比使用純氫氣作為燃料時的1.10伏和 62 mWcm-2稍低。Biomass is one of the promising renewable energy sources in Taiwan. However, after gasification, there release gaseous fuel and some impurities, such as tar, which make catalyst or anode coking and poisoning, and degrade the performance of fuel cells. Three biomasses, including palm fiber (CSPF), cryptomeria waste (CW), waste sawdust (WS) and one municipal solid waste (MSW) have been tested. Gasification with and without carbonate catalysts, and the reforming of fuel gas by using Ni-CeO2/γ-Al2O3 catalyst were investigated. The improvement on the H2 content in the syngas and the reduction of tar were noted and optimized. The syngas was tested as a fuel for self-assembled SOFC. The output of the SOFC were 1.00 V (open-circuit voltage) and a maximum power density of 62 mWcm-2 at 800oC, which were inferior to 1.10 V and 140 mWcm-2 of using pure H2 as the fuel.Content Abstract II 摘要 III List of Figures VII List of Tables IX Chapter 1 Introduction 1 1.1 Motivation 1 1.2 Research Objectives 2 Chapter 2 Literature Review 3 2.1 Biomass 3 2.1.1 Production and Quantity of Biomass 3 2.1.2 Cycling of Biomass 5 2.2 Gasification of Biomass 6 2.2.1 Gasification 6 2.2.2 Tar 7 2.2.3 Gasification with catalyst 7 2.3 Reforming of Syngas 9 2.3.1 Reforming of fuel gas 9 2.4 Syngas as SOFC Fuel 10 2.4.1 Effect of OCV while using fuel gas 10 2.4.2 Impurities and Composition of Biofuel effect to the cell 10 Chapter 3 Experimental Procedure 22 3.1 Experimental Design 22 3.2 Sample Preparation 22 3.2.1 Treatment of Biomass and MSW 22 3.2.2 Preparation of Catalyst 23 3.3 Property Characterization 23 3.3.1 Basic Analysis of Biomasses 23 3.3.2 EDS and SEM Analysis 23 3.3.3 Thermal Analysis 24 3.3.4 Tar Measurement 24 3.3.5 Tar Reduction 24 3.3.6 Gas Chromatography 25 3.3.7 Syngas Reforming 25 3.3.8 Temperature-Distribution inside biomass while gasification 25 Chapter 4 Results and Discussion 30 4.1 Properties of Biomasses and Raw Syngas 30 4.1.1 Basic Analysis of Biomasses 30 4.1.2 Composition of Ash 31 4.1.3 Thermal Analysis 31 4.1.4 Composition of Raw Syngas 32 4.2 Gasification with Catalyst 33 4.2.1 Gasification with K2CO3 and CaCO3 33 4.2.2 Gasification with K2CO3 33 4.2.3 Effects of K2CO3 and Heating Rate 34 4.2.4 Temperature Distribution inside Biomass while Gasification 35 4.3 Syngas Reforming 36 4.3.1 Characterization of Catalyst 36 4.3.2 Composition of Final Syngas 37 4.4 Supplying Syngas for SOFC 38 4.4.1 Open Circuit Voltage Test 38 Chapter 5 Conclusion 62 5.1 Gasification of Biomass and Decomposition 62 5.2 Fuel Gas Reforming 62 5.3 Syngas for SOFC 63 References 646769870 bytesapplication/pdf論文公開時間：2016/09/03論文使用權限：同意有償授權(權利金給回饋學校)生質材料氣化催化劑分解重整[SDGs]SDG7[SDGs]SDG11[SDGs]SDG12thesishttp://ntur.lib.ntu.edu.tw/bitstream/246246/262082/1/ntu-103-R00527067-1.pdf