Catalytic dehydrogenation of ammonia borane in non-aqueous medium |
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| Authors: | Roshan P Shrestha Himashinie VK DiyabalanageTroy A Semelsberger Kevin C OttAnthony K Burrell |
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| Affiliation: | Materials Physics and Applications Division, Materials Chemistry, Los Alamos National Laboratory, Mail Stop J514, Los Alamos, NM 87545, USA |
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| Abstract: | Dehydrogenation of Ammonia Borane (NH3BH3, AB) catalyzed by transition metal heterogeneous catalysts was carried out in non-aqueous solution at temperatures below the standard polymer electrolyte membrane (PEM) fuel cell operating conditions. The introduction of a catalytic amount (∼2 mol%) of platinum to a solution of AB in 2-methoxyethyl ether (0.02–0.33 M) resulted in a rapid evolution of H2 gas at room temperature. At 70 °C, the rate of platinum catalyzed hydrogen release from AB was the dehydrogenation rate which was 0.04 g s−1 H2 kW−1. |
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| Keywords: | Ammonia borane Catalyst Hydrogen storage Catalysis Dehydrogenation Kinetics |
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