Metal complex compound, hydrogen production catalyst and hydrogenation reaction catalyst each comprising the metal complex compound, and hydrogen production method and hydrogenation method each using the catalyst
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United States of America Patent
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Jan 31, 2017
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Sep 19, 2013
app pub date -
Nov 24, 2011
filing date -
Nov 25, 2010
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Abstract
Provided is a catalyst for producing hydrogen, which catalyst has higher performance than conventional catalysts since, for example, it exhibits a certain high level of activity in an aqueous formic acid solution at high concentration even without addition of a solvent, amine and/or the like. The metal phosphine complex is a metal phosphine complex represented by General Formula (1): MHm(CO)Ln, wherein M represents an iridium, iron, rhodium or ruthenium atom; in cases where M is an iridium or rhodium atom, m=3 and n=2, and in cases where M is an iron or ruthenium atom, m=2 and n=3; and the number n of Ls each independently represent a tri-substituted phosphine represented by General Formula (2): PR1R2R3. The catalyst for producing hydrogen comprises the metal phosphine complex as a constituent component.
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