Gas Sensor With a Microporous Electrolyte Layer
First Claim
1. An electrochemical sensor for determining a gaseous analyte dissolved in an aqueous measuring medium, comprising:
- (a) a working electrode and a counter electrode,(b) an electrolyte layer located between the working electrode and the counter electrode, and(c) a gas-permeable cover layer configured to spatially separate the working electrode, the counter electrode and the electrolyte layer from the aqueous measuring medium, wherein the electrolyte layer comprises at least one particulate material and at least one binder which together form a porous, non-swellable framework structure, the pores of the non-swellable framework structure configured to absorb a liquid electrolyte or contain the liquid electrolyte.
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Abstract
The present invention relates to electrochemical sensors for determining gaseous analytes in an aqueous measuring medium, to a process for producing such sensors, and to a process for determining gaseous analytes dissolved in an aqueous measuring medium using the electrochemical sensors. The electrolyte layer of the sensors comprises at least one particulate material and at least one binder which together form a porous, non-swellable framework structure, wherein the pores in this framework structure are configured to absorb a liquid electrolyte or contain the liquid electrolyte.
11 Citations
43 Claims
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1. An electrochemical sensor for determining a gaseous analyte dissolved in an aqueous measuring medium, comprising:
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(a) a working electrode and a counter electrode, (b) an electrolyte layer located between the working electrode and the counter electrode, and (c) a gas-permeable cover layer configured to spatially separate the working electrode, the counter electrode and the electrolyte layer from the aqueous measuring medium, wherein the electrolyte layer comprises at least one particulate material and at least one binder which together form a porous, non-swellable framework structure, the pores of the non-swellable framework structure configured to absorb a liquid electrolyte or contain the liquid electrolyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification