gas flow cell

A flow cell and gas technology, applied in the direction of electrochemical variables of materials, etc., to achieve the effect of fast on and off gas

Active Publication Date: 2021-09-21
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, flow cells suitable for screen-printed electrodes are mainly used in biosensing and component sensing in liquids, but less for gas component sensing.

Method used

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Embodiment Construction

[0031] Hereinafter, a gas flow cell according to the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.

[0032] It will be understood that the use of the terms first, second, etc. may not indicate order or importance, but rather the terms first, second, etc. may be used to distinguish one element from another.

[0033] In addition, for the convenience of description, the "left", "right", "upper" and "lower" referred to below are consistent with the left, right, up and down directions of the drawings themselves, but do not limit the structure of the present invention.

[0034] Such as Figure 1A to Figure 5 As shown in , the gas flow cell according to the exemplary embodiment of the present invention includes a base 11 , a working module 10 and a sealing cover 9 . Wherein, the base 11 includes a groove 20 for placing an electrode 23 . The working module 10 is installed on the base 11, and the working module 10...

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Abstract

The invention provides a gas flow cell, the gas flow cell includes: a base, including a groove for placing electrodes; a working module, installed on the base, and the working module includes: a cavity, passing through the working module, and having The upper opening and the lower opening, the lower opening is arranged around the working area of ​​the electrode; the first gas through hole passes through the side wall of the working module and communicates with the cavity; and the electrode connection assembly is formed on the working module except that the cavity is provided and a part other than the first gas through hole, and is used to connect the electrode with an external device; and a sealing cover, which seals the upper opening, and the sealing cover includes a second gas through hole and a third gas through hole. The gas flow cell of the invention can satisfy both the dynamic on-line gas sensitivity test and the static gas sensitivity test.

Description

technical field [0001] The invention relates to a detection device, in particular to a gas flow cell for gas sensitivity performance testing. Background technique [0002] Gas sensors are widely used in the fields of environment, meteorology, energy, life and health, infrastructure construction, industrial production and other fields and are developing rapidly. In recent years, with the increasingly serious problem of environmental pollution and the continuous improvement of people's awareness of environmental protection, the detection requirements for various toxic and harmful gases are also getting higher and higher, which also puts forward higher requirements for the gas sensing performance of gas sensors, such as durable Sex, low cost, miniaturization, intelligence, portability, etc. Therefore, the development of effective and practical gas detection and monitoring equipment has attracted more and more attention from researchers at home and abroad. [0003] Electrochem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/28
CPCG01N27/28
Inventor 高健秦浩东郜蕾朱亚峰詹自力韩一帆
Owner ZHENGZHOU UNIV
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