New electroless plating method for preparation of highly active Co-B catalysts for NaBH4 hydrolysis

Muir, Sean S., Chen, Zhigang, Wood, Barry J., Wang, Lianzhou, Lu, G.Q. (Max) and Yao, Xiangdong (2014) New electroless plating method for preparation of highly active Co-B catalysts for NaBH4 hydrolysis. International Journal of Hydrogen Energy, 39 1: 414-425. doi:10.1016/j.ijhydene.2013.10.022


Author Muir, Sean S.
Chen, Zhigang
Wood, Barry J.
Wang, Lianzhou
Lu, G.Q. (Max)
Yao, Xiangdong
Title New electroless plating method for preparation of highly active Co-B catalysts for NaBH4 hydrolysis
Journal name International Journal of Hydrogen Energy   Check publisher's open access policy
ISSN 0360-3199
1879-3487
Publication date 2014-01-02
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.ijhydene.2013.10.022
Open Access Status
Volume 39
Issue 1
Start page 414
End page 425
Total pages 12
Place of publication London, United Kingdom
Publisher Elsevier
Collection year 2015
Language eng
Abstract Supported non-noble transition metal catalysts are ideal for use in NaBH4-based hydrogen storage systems because of their low cost, robustness, and ease of handling. We have developed a new low-temperature electroless plating method for preparation of Co-B catalysts supported on Ni foam. This method requires only one plating step to achieve the desired catalyst loading, and has higher loading efficiency than conventional multi-step methods. The produced Co-B catalyst shows higher NaBH4 hydrolysis activity than those prepared by conventional methods due to increased boron content and nanosheet-like morphology. The pH and NH3 concentration of the precursor solution were found to have considerable influences on both the catalyst loading and activity. Temperature dependence of hydrogen generation suggests that the catalytically active phase is formed in situ above a certain temperature threshold, which is supported by XPS analysis. The maximum specific hydrogen generation rate is in excess of 24,000 mL min-1 g -1, which is among the highest values for catalysts of this type reported in the literature. Copyright
Keyword Cobalt
Electroless plating
Hydrogen storage
Hydrolysis catalyst
Sodium borohydride
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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