Integrated evaluation device and method for gas impurity poisoning of fuel cell material

A fuel cell and material gas technology, applied in the direction of material electrochemical variables, etc., can solve problems such as poor sealing, inaccurate temperature control, troublesome gas path switching, etc., to achieve precise gas flow control, rigorous testing, and good sealing Effect

Pending Publication Date: 2021-06-29
NANJING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the existing test device, there are problems such as troublesome gas circuit switching, poor sealing, and inaccurate temperature control.

Method used

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  • Integrated evaluation device and method for gas impurity poisoning of fuel cell material
  • Integrated evaluation device and method for gas impurity poisoning of fuel cell material
  • Integrated evaluation device and method for gas impurity poisoning of fuel cell material

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Embodiment Construction

[0024] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.

[0025] to combine figure 1 , an integrated evaluation device for gas impurity poisoning of fuel cell materials in this embodiment, including an impurity gas supply system, a nitrogen-hydrogen-air integrated gas supply system, a temperature control system, a reaction test system, and a data acquisition system;

[0026] The reaction test system includes a thin alumina tube 14 and a thick alumina tube 15; the thin alumina tube 14 is sleeved in the thick alumina tube 15, the top of the fine alumina tube 14 is sealed with silica gel, and the bottom is fixed with a test tube. For the button-type fuel cell, the battery is pressed with a glass ring 19 of the same size. Under high temperature environment, the glass ring will partially melt and fuse with the thin ceramic tube 14 to form a sealed device. The top of the thick alumina tube 15 and the The ...

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Abstract

The invention discloses an integrated evaluation device and method for gas impurity poisoning of a fuel cell material. The device mainly comprises a gas pipeline system composed of a nitrogen-hydrogen-air all-in-one machine, a steel cylinder, a pressure gauge, a mass flow meter, a ball valve and a steel pipe, a resistance wire furnace, a temperature control system composed of a temperature controller and a thermocouple thermodetector, and a performance test system composed of a glass ring, an alumina tube, a lead and an electrochemical workstation. The alumina tube is used for fixing a button cell sample needing to be tested, different atmosphere environments are provided through the gas pipeline system, the temperature in the alumina tube is monitored in real time through the temperature control system, errors are avoided, and the influence of gas impurity poisoning on a cell material is evaluated according to test data of the electrochemical workstation. The core characteristic of the invention is that: the three systems are integrated, the comprehensive performance is excellent, and the test efficiency and the data accuracy are greatly improved.

Description

technical field [0001] The invention belongs to the field of fuel cells, in particular to an integrated evaluation device and method for gas impurity poisoning of fuel cell materials. Background technique [0002] With the continuous development of human society and the acceleration of industrialization, energy, as the basis of industrial development, plays a vital role. At this stage, coal, oil and natural gas are still the original driving force for the development of all walks of life. In particular, my country's current power generation is still dominated by thermal power generation, accounting for 70%, and consumes a huge amount of fossil fuels every year. On the one hand, the stock of fossil energy on the earth is limited, and it is difficult to guarantee the continuous supply in the future; on the other hand, after the consumption of fossil fuels, a large amount of toxic gases are produced, causing irreversible damage to the environment, so the utilization efficiency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26
CPCG01N27/26
Inventor 杨权森王芳芳
Owner NANJING UNIV OF SCI & TECH
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