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Magnetically recyclable hollow Co–B nanospindles as catalysts for hydrogen generation from ammonia borane

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Abstract

Magnetically recyclable Co–B hollow nanospindles have been prepared by using poly(styrene-co-methacrylic acid) nanospindles as scarified templates for the first time. The effect of the weight ratio of poly(styrene-co-methacrylic acid) to Co(OAc)2 on the structure of Co–B hollow nanospindles is not significant. In the hydrolysis of ammonia borane to release H2, the activity of Co–B hollow nanospindles was much higher than that of regular Co–B prepared without templates. Their catalytic performance is comparable to that of the reported Pt black concerning hydrogen yield. The favorable activity is attributed to the large specific surface area and hollow structure. In addition, Co–B hollow nanospindles have good reusability in the application due to their unique magnetic properties.

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Acknowledgements

This work was supported by Research Funds of CDUT (2007-YG2 and HZ0033), and the Natural Science Foundation of Sichuan Province (07ZA004).

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Authors and Affiliations

  1. College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China

    D. G. Tong, X. L. Zeng, D. Wang & P. Wu

  2. Lab 230, College of Chemical Engineering, Sichuan University, Chengdu, 610065, China

    W. Chu

Authors
  1. D. G. Tong
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  2. X. L. Zeng
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  3. W. Chu
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  4. D. Wang
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  5. P. Wu
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Correspondence to D. G. Tong or W. Chu.

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Tong, D.G., Zeng, X.L., Chu, W. et al. Magnetically recyclable hollow Co–B nanospindles as catalysts for hydrogen generation from ammonia borane. J Mater Sci 45, 2862–2867 (2010). https://doi.org/10.1007/s10853-010-4275-0

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  • DOI: https://doi.org/10.1007/s10853-010-4275-0

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