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Fuel cell membrane electrode anti-pole-reversion test system and method

A fuel cell membrane and test system technology, which is applied in the direction of fuel cells, fuel cell additives, fuel cell control, etc., and can solve problems such as the difficulty of integrating anti-reverse polarity test functions

Active Publication Date: 2021-05-18
KUSN INNOVATION INST OF NANJING UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fuel cell membrane electrode anti-reverse test has not yet formed a standard test method, so it is still very difficult to integrate the anti-reverse test function in the fuel cell membrane electrode test equipment

Method used

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  • Fuel cell membrane electrode anti-pole-reversion test system and method
  • Fuel cell membrane electrode anti-pole-reversion test system and method
  • Fuel cell membrane electrode anti-pole-reversion test system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] When the described anti-reversal test method of a fuel cell membrane electrode is applied to the anti-reversal performance test of a hydrogen / air fuel cell membrane electrode, it is divided into the following steps:

[0036] (1) Installation: such as figure 1 As shown, the membrane electrode is put into the cell fixture 1 to form a fuel cell cell; the fuel cell cell is connected to the humidification module 21, the temperature control module 22, the back pressure automatic adjustment module 23, the electronic load 3, and the boost module 4. connection, the effective area of ​​the membrane electrode is 25cm 2 .

[0037] (2) Purge: The gas supply module 2 is switched to the purge mode, and nitrogen gas is supplied to the cathode and anode of the single fuel cell respectively, and a constant flow rate is maintained for 10 minutes.

[0038] (3) Adjust the operating state of the fuel cell: the user specifies the temperature of the fuel cell through the host computer as 75°...

Embodiment 2

[0044] Replacing the air source in Example 1 with an oxygen source can be applied to the anti-reversal performance test of the hydrogen / oxygen fuel cell membrane electrode.

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Abstract

The invention discloses a fuel cell membrane electrode anti-reverse pole test system and method, the test system comprises a single cell clamp, a gas supply module, an electronic load and a boost module, the single cell clamp is used for forming a single cell with a membrane electrode; the single cell clamp is connected with a gas supply module, the front end of the gas supply module is connected with three gas sources of hydrogen, nitrogen and oxidant gas, the hydrogen and the nitrogen are respectively connected with the anode of the single cell, and the oxidant gas and the nitrogen are respectively connected with the cathode of the single cell; the boost module is connected with the single battery clamp in series, the negative electrode of the electronic load is connected with the negative electrode of the single battery clamp, and the positive electrode of the electronic load is connected with the positive electrode of the boosting module. According to the integrated fuel cell membrane electrode anti-reverse pole test system, an automatic test function is integrated, the test efficiency is higher, and the test consistency can be further improved by a standardized test method.

Description

technical field [0001] The invention relates to a fuel cell membrane electrode anti-reversal test system and method, belonging to the technical field of fuel cell testing. Background technique [0002] As global energy and environmental problems become increasingly severe, hydrogen energy and fuel cell technology, as an ideal clean energy, are being accelerated in their research and development and application. The fuel cell membrane electrode is the core component of the fuel cell, which directly affects the working performance of the fuel cell. Therefore, the research and development investment of the membrane electrode is the most, and the related testing and characterization techniques are becoming more and more refined. Membrane electrode reverse polarity resistance is an important technical index that affects the life of fuel cells, and is a hot issue in the field of fuel cell research, but a unified test method has not yet been formed. [0003] The existing fuel cell...

Claims

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Application Information

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IPC IPC(8): H01M8/0432H01M8/0438H01M8/04492H01M8/04992H01M8/1006
CPCH01M8/1006H01M8/04328H01M8/04388H01M8/045H01M8/04992Y02E60/50
Inventor 邓俊杰黄林姚颖方吴聪萍邹志刚
Owner KUSN INNOVATION INST OF NANJING UNIV