Nanoporous Ni-based catalysts for hydrogen generation from hydrolysis of ammonia borane

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題名:	Nanoporous Ni-based catalysts for hydrogen generation from hydrolysis of ammonia borane
作者:	鄭芳怡;Du, Jing;Cheng, Fangyi;Si, Meng;Liang, Jing;Tao, Zhanliang;Chen, Jun
貢獻者:	地球科學學院大氣科學學系
關鍵詞:	Alternative fuels. Production and utilization;Ammonia borane;Applied sciences;Catalytic hydrolysis;Energy;Exact sciences and technology;Fuels;Hydrogen;Hydrogen generation;Nanoparticles;Ni alloys
日期:	2013-05-10
上傳時間:	2026-04-21 13:39:36 (UTC+8)
出版者:	Elsevier Ltd.;Kidlington: Elsevier Ltd
摘要:	摘要： We report nanoporous Ni, Ni–Fe, and Ni–Pt as catalysts for hydrogen generation from hydrolytic dehydrogenation of ammonia borane (NH3BH3, AB). The Ni and Ni–Fe nanoparticles with diameters of 20–25 nm were synthesized by a colloidal method in starch-containing aqueous solution. They exhibited considerable in situ catalytic performance but severely lost activity after separating from the reaction solution. Nanoporous Ni1−xPtx (x = 0.01, 0.08 and 0.19) with particle size below 5 nm was prepared from the isolated Ni nanoparticles through a replacement reaction. After centrifugation, drying, washing, and annealing, the obtained nanoporous Ni–Pt could attain remarkable activity, high hydrogen generation rate and efficiency, and low activation energy. •Facile synthesis of nanoporous Ni, Ni–Fe, NiPt.•Catalytic hydrolysis of ammonia borane by Ni-based nanoparticles.•High activity of Ni0.99Pt0.01 catalyst with low Pt loading. 出版者： Kidlington: Elsevier Ltd 出版日期： 2013-05-10 出處： International journal of hydrogen energy, 2013-05, Vol.38 (14), p.5768-5774 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2013 Hydrogen Energy Publications, LLC. 版權： 2014 INIST-CNRS 識別號： ISSN: 0360-3199 識別號： EISSN: 1879-3487 識別號： DOI: 10.1016/j.ijhydene.2013.03.002 識別號： CODEN: IJHEDX
顯示於類別:	[大氣科學學系] 期刊論文

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