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Electrochemical nitric oxide gas sensor

A gas sensor and nitric oxide technology, applied in the field of sensors, can solve the problems of inconvenient portability, complicated operation, high cost, etc., and achieve the effects of reducing interfering gas interference, accurate measurement results, and light weight

Inactive Publication Date: 2019-05-28
JINGZHOU AERITECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods have disadvantages such as complex operation, high cost, inconvenient portability, and long time consumption.

Method used

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  • Electrochemical nitric oxide gas sensor
  • Electrochemical nitric oxide gas sensor
  • Electrochemical nitric oxide gas sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1, the preparation method of the working electrode: the first nanomaterial with a mass ratio of 1:1 is mixed with polytetrafluoroethylene particles to obtain a mixture, and the mixture is rolled, sprayed or printed on the electrode film to obtain a working electrode. For the electrodes, the first nanomaterials include at least one of gold nanomaterials and carbon nanomaterials, and the electrode film can be a polytetrafluoroethylene film.

Embodiment 2

[0042] Example 2, the preparation method of the reference electrode: mix the second nanomaterial with a mass ratio of 5:1 and polytetrafluoroethylene particles to obtain a mixture, and roll, spray or print the mixture on the electrode film to obtain a reference electrode. For the electrode, the second nanomaterial includes at least one of platinum nanomaterial and platinum oxide nanomaterial, and the electrode film can be a polytetrafluoroethylene film.

Embodiment 3

[0043] Example 3, the preparation method of the counter electrode: the third nanomaterial with a mass ratio of 10:1 is mixed with polytetrafluoroethylene particles to obtain a mixture, and the mixture is rolled, sprayed or printed on the electrode film to obtain a counter electrode For the electrode, the third nanomaterial includes at least one of platinum nanomaterial, ruthenium nanomaterial and rhodium nanomaterial, and the electrode film can be a polytetrafluoroethylene film.

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Abstract

The invention relates to an electrochemical nitric oxide gas sensor. The sensor comprises a shell, a gap filler, an electrolyte, a working electrode, a reference electrode and a counter electrode, theworking electrode, the reference electrode and the counter electrode form ionic conduction in the electrolyte, and each of the working electrode, the reference electrode and the counter electrode comprises an electrode membrane and a mixture attached to electrode membrane; the mixture on the working electrode comprises a first nano material and polytetrafluoroethylene particles, the mixture on the reference electrode comprises a second nano material and polytetrafluoroethylene particles, and the mixture on the counter electrode comprises a third nano material and polytetrafluoroethylene particles. According to the technical scheme, the concentration of nitric oxide gas can be accurately and quickly measured and monitored in real time.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to an electrochemical nitric oxide gas sensor. Background technique [0002] Nitric oxide is a poisonous gas. There is a high concentration of nitric oxide in industrial flue gas. It is necessary to monitor its concentration. At present, gas chromatography and differential absorption spectroscopy are generally used to detect gas concentration. These methods have disadvantages such as complex operation, high cost, inconvenient portability, and long time consumption. Contents of the invention [0003] In order to accurately and rapidly measure the concentration of nitric oxide gas and monitor the concentration of nitric oxide gas in real time, the invention provides an electrochemical nitric oxide gas sensor. [0004] The technical scheme of the present invention to solve the above-mentioned technical problems is as follows: an electrochemical nitric oxide gas sensor, including a h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/30G01N27/407
Inventor 陈震
Owner JINGZHOU AERITECH CO LTD