Performance test method for low-medium temperature solid oxide fuel cells (SOFC)

A solid oxide, fuel cell technology, used in fuel cells, circuits, measuring electricity, etc., can solve problems such as difference in result data, accurate data, and inability to obtain fuel cells, to ensure accuracy, fairness, and comprehensive data. Effect

Active Publication Date: 2018-06-29
SOUTHEAST UNIV
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Problems solved by technology

At the same time, due to the different fuel cell test standards and methods adopted by different institutions or individuals, it is inevitable that others will encounter data differences caused by different method standards when collating and summarizing data from different sources, which affects the quality of th

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  • Performance test method for low-medium temperature solid oxide fuel cells (SOFC)
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  • Performance test method for low-medium temperature solid oxide fuel cells (SOFC)

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Embodiment Construction

[0039] The performance test method of a medium and low temperature solid oxide fuel cell of the present invention can measure all solid oxide fuel cells at high, medium and low temperatures, and is based on a test performed by using an electronic load as an electrical measuring instrument. The test method of the present invention is as follows:

[0040] 1) Preparation before test:

[0041] Fix the fuel cell and place it in a certain temperature environment (800 degrees Celsius to 900 degrees Celsius for high temperature solid oxide fuel cells, 800 degrees Celsius to 600 degrees Celsius for medium temperature solid oxide fuel cells, and 600 degrees Celsius to 300 degrees Celsius for low temperature solid oxide fuel cells ), and preheat for about 10 to 30 minutes, the purpose of which is to stabilize the battery temperature; lead wires from the two poles of the battery and connect them to an electronic load or other measuring device, pay attention to the positive and negative conditi...

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Abstract

The invention relates to a performance test method for low-medium temperature SOFCs. The performance test method specifically comprises the following steps based on a test using electronic loads as anelectrical measuring device: 1) preparing before testing; 2) determining battery activation and a current scanning upper limit; 3) performing fast constant current scanning (a transient performance fast test); 4) performing slow constant current scanning (a quasi-steady state performance test); 5) carrying out a further current scanning test; 6) performing steady-state polarization measurement; and 7) processing experimental data. The method emphasizes two points of the steady-state maintenance and detailed recording of test conditions in the fuel cell measurement process. By using the method, performances of various different SOFCs can be evaluated accurately, simply, efficiently and intuitively. The data obtained by the test is comprehensive and actual working performances of the fuel cells can be better reflected.

Description

Technical field [0001] The invention relates to the field of solid oxide fuel cells, and in particular to a performance testing method for solid oxide fuel cells. Background technique [0002] Fuel cell is a device that can directly convert chemical energy in fuel and oxidant into electrical energy. It has many advantages over traditional energy sources, such as high efficiency, environmental protection and pollution-free. [0003] Fuel cells can be divided into many different types according to the electrolyte used. Among them, the solid oxide fuel cell (Solid Oxide Fuel Cells, SOFC) uses ion-conducting ceramics as the main component of the battery, which has many unique advantages and is considered to have broad development space in many fields. [0004] Depending on the operating temperature, solid oxide fuel cells that work above 800 degrees Celsius are generally called high-temperature solid oxide fuel cells, and solid oxide fuel cells that work between 800 degrees Celsius and ...

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Application Information

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IPC IPC(8): G01R31/36H01M8/04537
CPCG01R31/382H01M8/04582Y02E60/50
Inventor 杨帆张锡鑫王浩田文涛董婷
Owner SOUTHEAST UNIV
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