Oxygen sensor
First Claim
1. An oxygen sensor comprising an electrically conductive carbon substrate and an electrolytic oxidation polymeric membrane formed by electrolytic polymerization coating a surface of said electrically conductive substrate, said electrolytic oxidative polymeric membrane comprising at least one substance selected from porphyrin compounds in which a hydroxy aromatic derivative is substituted at the meso-position and porphyrin compounds in which an amino aromatic derivative is substituted at the meso-position, and metal complexes thereof.
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Abstract
An oxygen sensor includes an electrically conductive substrate directly coated with an electrolytic oxidative polmeric membrane, which contains a porphyrin compound and a metal complex thereof. Also provided is an oxygen sensor capable of being subjected to a temperature calibration and including an oxygen electrode consisting of an electrically conductive substrate directly coated with a porphyrin derivative compound and a metal complex compound thereof, a reference electrode, a gelled polymeric electrolyte in which the oxygen electrode and reference electrode are immersed, and an oxygen-selective permeable membrane coating the gelled polymer electrolyte.
104 Citations
16 Claims
- 1. An oxygen sensor comprising an electrically conductive carbon substrate and an electrolytic oxidation polymeric membrane formed by electrolytic polymerization coating a surface of said electrically conductive substrate, said electrolytic oxidative polymeric membrane comprising at least one substance selected from porphyrin compounds in which a hydroxy aromatic derivative is substituted at the meso-position and porphyrin compounds in which an amino aromatic derivative is substituted at the meso-position, and metal complexes thereof.
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5. An oxygen sensor comprising:
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an oxygen electrode consisting of an electrically conductive carbon substrate directly coated with an electrolytic oxidative polymeric membrane, said membrane being formed by electrolytic polymerization and comprising at least one substance selected from porphyrin derivative compounds and metal complex compounds thereof; a reference electrode wound around said oxygen electrode and having an insulator formed therebetween; a gelled polymeric electrolyte in which said oxygen electrode and said reference electrode are immersed; and an oxygen-selective permeable membrane coating said gelled polymeric electrolyte. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. The oxygen sensor comprising an electrically conductive carbon substrate and an electrolytic oxidative polymer membrane coating a surface of said electrically conductive substrate, said electrolytic oxidative polymeric membrane comprising at least one substance selected from porphyrin compounds and metal complexes thereof, wherein the complex-forming metal is a transition metal selected from titanium, vanadium, chromium, manganese, copper, ruthenium, rhodium, palladium, iridium, platinum, silver or gold.
Specification