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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Hydrogen spillover ： ウィキペディア英語版 Hydrogen spillover In heterogeneous catalysis, hydrogen molecules can be adsorbed and dissociated by the metal catalyst. The migration of hydrogen atoms from the metal catalyst onto the nonmetal support or adsorbate comprise the spillover phenomenon.〔Gardes, G.E.E., Pajonk, G. M., and S.J. Teichner (1974). “Catalytic Demonstration of Hydrogen Spillover from Nickel-Alumina Catalyst to Alumina.” J. Catal. 33, 145-148.〕 Spillover, generally, is the transport of a species adsorbed or formed on a surface onto another surface.〔R. Prins: ''Hydrogen Spillover. Facts and Fiction.'' In: ''Chemical Reviews.'' 112, 2012, S. 2714, .〕 Hydrogen spillover can be characterized by three major steps, the first being where molecular hydrogen is split via dissociative chemisorption into its constitutive atoms on a transition metal catalyst surface, followed by migration from the catalyst to the substrate, culminating in their diffusion throughout the substrate surfaces and/or in the bulk materials.〔Hansong Cheng, Liang Chen, Alan C. Cooper, Xianwei Sha, Guido P. Pez: ''Hydrogen spillover in the context of hydrogen storage using solid-state materials.'' In: ''Energy & Environmental Science.'' 1, 2008, S. 338, .〕 ==Mechanism and Trends== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hydrogen spillover」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.