ZIF-67 derived cobalt-based catalysts for hydrogen generation from the hydrolysis of alkaline sodium borohydride solution

被引：7
|
作者：
Wei, Lei [1 ]
Liu, Hongyan [1 ]
Wang, Qian [1 ]
Li, Wenjuan [1 ]
Peng, Lufeng [1 ]
机构：
[1] Langfang Normal Univ, Coll Chem & Mat Sci, Langfang, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2019年 / 12卷 / 04期
关键词：
Hydrogen generation; sodium borohydride; catalytic hydrolysis; cobalt-based catalyst; ZIF-67; pyrolysis; REDUCTION; PRECURSOR;
D O I：
10.1142/S1793604719500504
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cobalt-based catalysts are highly efficient and low-cost for sodium borohydride (NaBH4) hydrolysis to generate hydrogen. Co3O4 and carbon-supported metal Co (i.e., Co/C) catalysts were prepared by means of ZIF-67 pyrolysis. Effects of pyrolysis temperature and atmosphere on catalyst composition and performance were mainly investigated. For material analyses, a series of characterizations were carried out including FE-SEM, TEM, XRD, BET, TGA and ICP-AES. Conventional water-displacement method was employed to evaluate the catalyst performance toward NaBH4 hydrolysis. Experimental results indicated that catalytic activity of the Co3O4 was much higher than that of Co/C, and the reasons were discussed in detail.
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页数：5
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