Efficient production of hydrogen
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United States of America Patent
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Apr 16, 2013
Grant Date -
Nov 12, 2009
app pub date -
Jun 23, 2006
filing date -
Jun 23, 2005
priority date (Note) -
Expired
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Abstract
A liquid phase process for producing hydrogen gas in a reactor comprising the step of combining at least one oxidizable reactant with liquid water and at least one alkaline electrolyte to form a mixture having a pH, wherein the pH of the mixture is substantially maintained at a value of about 10.5 or greater and conducting a reaction in the presence of an electron transfer material that permits the movement of electrons. An alternative method produces hydrogen gas from a reaction in an electrochemical cell, the reaction characterized by an overall thermodynamic energy balance and half-cell reactions occurring at each of an anode and cathode. Energy transfers, such as thermal and electric, are analyzed and controlled in order to satisfy the thermodynamic energy balance of the reaction for efficient hydrogen production.
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