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Issue 31, 2010
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Bimetallic catalysts selectively grown via N-doped carbon nanotubes for hydrogen generation

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Abstract

This work provides both a facile method to synthesize bimetallic catalysts (BMCs) via pyridine-like N atoms of N-doped carbon nanotubes (NDCNTs) and also a picture about how to design the optimal BMC for hydrogen generation from the hydrogen storage material. In principle, the ratio of one component to another component could be generically extended to fabricate the high-performance BMCs on host nanostructures. Indeed, we demonstrate that the BMC composed of the optimum composition (Ni0.72Pt0.28) results in the large hydrogen generation of ∼28 kg h−1/kg of catalyst from an aqueous borane ammonia hydrogen storage, thus being capable of satisfying the DOE target (7.2 kg h−1) required for advanced applications even with the small amount of our BMC attached onto the NDCNTs. This high hydrogen generation rate is found to be attributed to the optimal distance between active Pt and cheap Ni atoms for effective hydrogen generation.

Graphical abstract: Bimetallic catalysts selectively grown via N-doped carbon nanotubes for hydrogen generation

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Publication details

The article was received on 20 Apr 2010, accepted on 12 May 2010 and first published on 30 Jun 2010


Article type: Paper
DOI: 10.1039/C0JM01126F
Citation: J. Mater. Chem., 2010,20, 6544-6549
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    Bimetallic catalysts selectively grown via N-doped carbon nanotubes for hydrogen generation

    W. H. Shin, H. M. Jung, Y. J. Choi, K. Miyasaka and J. K. Kang, J. Mater. Chem., 2010, 20, 6544
    DOI: 10.1039/C0JM01126F

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