In the early 2000s, sodium borohydride (NaBH4) was presented as a promising hydrogen storage material with an ideal gravimetric hydrogen storage capacity of 10.8 wt%. Despite ten-year efforts in research and development, the U.S. Department of Energy (US DOE) recommended a no-go for NaBH4 for on-board automotive hydrogen storage. This is the central purpose of the present paper. The US DOE decision was based on the following observations: too low effective gravimetric hydrogen storage capacities, inefficiency of hydrolysis by-product (NaBO2) recycling, and cost. The present paper illustrates this decision on the basis of the state-of-the-art we can find throughout the open international literature. Furthermore as the decision clearly focuses automotive applications, we attempt to show that NaBH4 may have a potential for portable applications.


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    Title :

    Ten-year efforts and a no-go recommendation for sodium borohydride for on-board automotive hydrogen storage


    Contributors:
    Demirci, U.B. (author) / Akdim, O. (author) / Miele, P. (author)

    Published in:

    Publication date :

    2009


    Size :

    8 Seiten, 6 Bilder, 38 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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