Gas exposure dose detection device and method

By designing a gas exposure dose detection device for a micro working electrode group and a gas diffusion channel, the problem of difficulty in measuring multiple toxic and harmful gases at the same time in the prior art is solved, and efficient resolution and accurate detection of multi-components in the mixed gas are achieved.

CN115436443BActive Publication Date: 2025-04-29SEMEATECH SHANGHAI CO LTD
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Patent Information

Application Number
CN202211137734.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-19
Publication Date
2025-04-29
Estimated Expiration
2042-09-19

AI Technical Summary

Technical Problem

Existing gas exposure dose detection technology is difficult to accurately measure multiple toxic and harmful gases at the same time, resulting in inaccurate detection results and reduced detection efficiency.

Method used

A gas exposure dose detection device is designed, using tiny working electrode groups and gas diffusion channels, combined with precious metal catalytic materials and filter materials, to improve the resolution of multi-components in the mixed gas.

Benefits of technology

It realizes efficient resolution of multi-components in the mixed gas, reduces the amount of precious metal catalyst, reduces the cost, and improves the detection accuracy.

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Abstract

The present application relates to a gas exposure dose detection device and method, the gas exposure dose detection device comprising: a substrate; an electrolyte; a working electrode group arranged on the substrate, the working electrode group being in an electrolyte environment; wherein the working electrode group comprises: a gas diffusion channel, one end of the gas diffusion channel being separated by the substrate; a plurality of working electrodes, arranged at intervals on the gas diffusion channel. The gas exposure dose detection device of the present application has a simple structure and is convenient for mass production. The use of tiny working electrodes can reduce the amount of precious metal catalysts used to reduce costs and improve the ability to resolve multiple components in a mixed gas.
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Citation Information

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