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A Bunch‐like Copper Oxide Nanowire Array as an Efficient, Durable, and Economical Catalyst for the Methanolysis of Ammonia Borane
Author(s) -
Cui Liang,
Cao Xueying,
Sun Xuping,
Yang Wenrong,
Liu Jingquan
Publication year - 2018
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201701317
Subject(s) - ammonia borane , dehydrogenation , catalysis , copper oxide , oxide , copper , materials science , ammonia , hydrogen , chemical engineering , nanowire , borane , inorganic chemistry , chemistry , nanotechnology , organic chemistry , metallurgy , engineering
The dehydrogenation of ammonia borane (AB) is an effective method to produce and store hydrogen, but efficient, durable, and low‐costing dehydrogenation catalysts are lacking. In this work, we successfully prepared a self‐supported bunch‐like copper oxide nanowire array on copper foam (b‐CuO NA/CF) through a facile in situ wet oxidation and annealing method. b‐CuO NA/CF shows high catalytic activity for the methanolysis of AB with an initial turnover frequency of 13.3 molH2 mol CuO −1 min −1 and an activation energy of 34.7 kJ mol −1 . Moreover, this self‐supported bunch‐like nanoarray catalyst could be easily separated from fuel solutions with excellent stability and maintained its activity even after prolonged use. It is thus an efficient, economical, and durable catalyst for hydrogen fuel cells.