Hydrogen generation from alkaline NaBH4 solution using a dandelion-like Co-Mo-B catalyst supported on carbon cloth

被引：83
作者：
Wei, Yongsheng [1 ]
Wang, Ru [1 ]
Meng, Liyuan [1 ]
Wang, Yan [2 ,3 ]
Li, Guode [4 ]
Xin, Shigang [4 ]
Zhao, Xinsheng [1 ]
Zhang, Ke [3 ]
机构：
[1] Jiangsu Normal Univ, Hydrogen Technol Res Ctr, Sch Phys & Elect Engn, Xuzhou 221116, Peoples R China
[2] Nankai Univ, Key Lab Adv Energy Mat Chem, Minist Educ, Collaborat Innovat Ctr Chem Sci & Engn,Coll Chem, Tianjin 300071, Peoples R China
[3] Shenyang Normal Univ, Inst Catalysis Energy & Environm, Coll Chem & Chem Engn, Shenyang 110034, Peoples R China
[4] Shenyang Normal Univ, Expt Ctr, Shenyang 110034, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 15期
基金：
美国国家科学基金会;
关键词：
Electrodeposition; Co-Mo-B catalysts; Hydrogen generation; NaBH4; Hydrolysis; Defects; SODIUM-BOROHYDRIDE; NI-B; HYDROLYSIS; COBALT; KINETICS; FOAM; MICROSTRUCTURES; PROGRESS;
D O I：
10.1016/j.ijhydene.2016.12.130
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, a dandelion-like Co-Mo-B catalyst was prepared on carbon cloth (CC) by two-step electrodeposition method for the first time. The composition and microscopy are characterized by XRD and SEM technology. The results revealed that the as-synthesized Co-Mo-B catalyst exhibited high hydrogen generation rate (1280.80 mL min(-1) g(-1)) and low activation energy (51.0 kJ mol(-1)) for the hydrolysis of alkaline NaBH4 solution. The results reveal that the reason might be due to high specific surface of the novel dandelion-like nanostructure and the synergistic effect of Co, Mo and B. Moreover, the catalytic activity was closely related to NaOH concentration, and OH- anions were competitive with BH4- anions in alkaline NaBH4 solution to transfer to the catalyst surface. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：9945 / 9951
页数：7
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