Electrochemical sensor of hydrogen and hydrogen-containing reducing agents
First Claim
1. An electrochemical sensor of hydrogen and hydrogen-containing reducing agents adapted to operate as a current source in a mixture of oxygen, hydrogen or hydrogen-containing reducing agents directly without preliminary separation of the components comprising:
- a cathode of coal powder in contact with a selective organic catalyst from the group consisting of chloroquinones, redox polymers; and
polymer or monomer phthalocyanines of a transition metal;
a platinum anode; and
an acidic polymeric electrolyte disposed between the cathode and the anode.
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Abstract
The electrochemical sensor of hydrogen and hydrogen-containing reducing agents comprises a cathode which is coal activated with a selective organic catalyst for electrochemical reduction of oxygen, an anode based on the metals of the platinum group and an acidic polymeric electrolyte disposed therebetween. The proposed sensor is capable of operating in a mixture of oxygen with hydrogen or a hydrogen-containing reducing agent without separation of the components. The sensitivity of the sensor to hydrogen is 10-3 to 10-4 percent by volume.
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Citations
7 Claims
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1. An electrochemical sensor of hydrogen and hydrogen-containing reducing agents adapted to operate as a current source in a mixture of oxygen, hydrogen or hydrogen-containing reducing agents directly without preliminary separation of the components comprising:
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a cathode of coal powder in contact with a selective organic catalyst from the group consisting of chloroquinones, redox polymers; and
polymer or monomer phthalocyanines of a transition metal;a platinum anode; and an acidic polymeric electrolyte disposed between the cathode and the anode. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification