Enzymatic fuel cell with fixed dehydrogenase enzyme
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United States of America Patent
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N/A
Issued Date -
May 8, 2003
app pub date -
Apr 15, 2002
filing date -
Apr 13, 2001
priority date (Note) -
Abandoned
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Abstract
Additionally provided is a fuel cell with an anode compartment, a cathode compartment and a barrier separating the anode compartment from the cathode compartment but effective to convey protons from the anode compartment to the cathode compartment, comprising in the anode compartment, one or more anode electrodes and, one or more dehydrogenase enzymes effective to transfer electrons from a C1 compound to electron carrier(s), wherein one or more of the said enzyme(s) are covalently linked to surface(s) within the anode compartment. Also provided is a fuel cell with an anode compartment, a cathode compartment and a barrier separating the anode compartment from the cathode compartment but effective to convey protons from the anode compartment to the cathode compartment, comprising in the anode compartment, one or more anode electrodes and, one or more dehydrogenase enzymes effective to transfer electrons from a C1 compound to electron carrier(s), wherein one or more of the said enzyme(s) are covalently linked to a polymer matrix within the anode compartment. When the dehydrogenase enzymes are covalently linked within the anode compartment, useful surfaces include: the anode/cathode barrier, one or more of the anode electrodes, beads or gels in the anode compartment, anode walls and fuel feeding membrane(s).
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