教師資料查詢 | 類別: 期刊論文 | 教師: 黃國楨 Hwang, Kuo-Jen (瀏覽個人網頁)

標題:Preparation of magnetic cobalt-based catalyst for hydrogen generation from alkaline NaBH4 solution
學年98
學期1
出版(發表)日期2009/09/01
作品名稱Preparation of magnetic cobalt-based catalyst for hydrogen generation from alkaline NaBH4 solution
作品名稱(其他語言)
著者Liu, Cheng-Hong; Chen, Bing-Hung; Hsueh, Chan-Li; Ku, Jie-Ren; Tsau, Fanghei; Hwang, Kuo-Jen
單位淡江大學化學工程與材料工程學系
出版者Amsterdam: Elsevier BV
著錄名稱、卷期、頁數Applied Catalysis B-Environmental 91(1-2), pp.368-379
摘要A fast and simple fabrication process, viz. a wet-chemical reduction process, was utilized for preparation of a cobalt-based catalyst to be used for hydrogen generation from alkaline NaBH4 solution. Characteristics of this cobalt-based catalyst were carried out by using various instruments, such as SEM/EDS, XPS, ICP, VSM, BET and TGA. The surface chemistry of the obtained catalyst is mainly cobalt oxides, not cobalt borides. Ferromagnetic property of the cobalt-based catalyst makes it convenient for being recycled from spent NaBH4 solution. The rate of hydrogen generation from catalyzed hydrolysis of alkaline NaBH4 solution was determined as a function of temperature, NaBH4 concentration, and NaOH concentration in the presence of prepared catalysts. In general, stable generation rate of highly pure hydrogen near 200 mL min−1 g−1 was achieved in 100 mL of 5 wt% NaBH4 solution containing 5 wt% NaOH solution and 200 mg of Co/IR-120 catalyst, in which no temperature runoff was observed during the course of hydrogen production. The activation energy of NaBH4 hydrolysis reaction was found at 66.67 kJ mol−1, which was comparable with others reported in the open literatures.
關鍵字Hydrogen generation; Cobalt-based catalyst; Sodium borohydride; Wet-chemical reduction process; Fuel cell
語言英文
ISSN0926-3373
期刊性質國外
收錄於SCI;EI
產學合作
通訊作者Chen, Bing-Hung
審稿制度
國別荷蘭
公開徵稿
出版型式紙本
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