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Synthesis and Structures of Compounds with Anion-Derived Functions / アニオン由来の機能をもつ化合物の合成と構造Goto, Yoshihiro 24 November 2021 (has links)
京都大学 / 新制・論文博士 / 博士(工学) / 乙第13457号 / 論工博第4197号 / 新制||工||1770(附属図書館) / (主査)教授 陰山 洋, 教授 安部 武志, 教授 江口 浩一 / 学位規則第4条第2項該当 / Doctor of Philosophy (Engineering) / Kyoto University / DGAM
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Studies on Sr-Fe Mixed Oxides for Purifying Automotive Exhaust Gas / 自動車排気ガス浄化を指向したSr-Fe系複合酸化物に関する研究Beppu, Kosuke 26 March 2018 (has links)
京都大学 / 0048 / 新制・課程博士 / 博士(工学) / 甲第21122号 / 工博第4486号 / 新制||工||1697(附属図書館) / 京都大学大学院工学研究科分子工学専攻 / (主査)教授 田中 庸裕, 教授 陰山 洋, 教授 佐藤 啓文 / 学位規則第4条第1項該当 / Doctor of Philosophy (Engineering) / Kyoto University / DFAM
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Quantifying the impact of pump performance, chemical conversion, and material properties on solar hydrogen productionJarrett, Colby Lewis 07 January 2016 (has links)
As renewable energy production becomes more prevalent, the challenge of producing renewable dispatchable fuel for the transportation sector remains unresolved. One promising approach is to produce hydrogen from solar energy with a two step thermochemical cycle which utilizes an oxygen storage material (OSM) to split water through two reversible reactions. Due to the strong coupling between reactor design, operational parameters, and OSM properties, the direct comparison of two OSMs is not straightforward. In order to guide the designs of OSMs for two-step thermochemical hydrogen production, a methodology is developed to model the max performance possible for a two-step thermochemical cycle. The novel contribution of this model considers the strong coupling between reactor operation, OSM properties, and reactor performance. Next, a method for screening and evaluating new OSMs which utilizes thermogravimetric analysis (TGA) is proposed. With this data, the modeling method previously developed is applied to determine maximum reactor efficiency possible with new materials. This allows many materials to be evaluated quickly, and facilitates further characterization new OSMs. Additionally, by comparing the predicted maximum efficiency of a new material with the efficiency of current ones, this method facilitates the comparison of two different OSMs on equal footing.
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