Fuel cell control structure and fuel cell system

By setting detection and control components in the fuel cell system to adjust the gas pressure, the problem of excessive pressure difference between the anode and the anode during emergency braking of large loads of hydrogen fuel cell vehicles is solved, preventing damage to the proton exchange membrane and improving the safety of the system and energy efficiency.

CN222168445UActive Publication Date: 2024-12-13TEHI HYDROGEN TESTING (BAODING) CO LTD
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Patent Information

Application Number
CN202420151897.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-22
Publication Date
2024-12-13
Estimated Expiration
2034-01-22

AI Technical Summary

Technical Problem

When hydrogen fuel cell vehicles are emergency braking at high speed and high loads, the pressure difference between the cathode and anode may be too large, resulting in the damage to the proton exchange membrane structure.

Method used

A fuel cell control structure is designed, including anode and cathode gas pipelines, equipped with detection and control components, to adjust the gas inlet and discharge volume by detecting pressure differences, maintain the pressure balance of the cathode and anode, and recover through gas-liquid separation and circulation pump. No gas is used.

Benefits of technology

It effectively prevents damage to the proton exchange membrane, extends the service life of the fuel cell system, and improves safety and energy utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fuel cell control structure and a fuel cell system, the fuel cell control structure comprises an exhaust pipeline, an anode gas pipeline and a cathode gas pipeline, and the anode gas pipeline and the cathode gas pipeline are both communicated with the exhaust pipeline. The anode gas pipeline is provided with a first detection part for detecting the pressure of anode gas entering the fuel cell, the cathode gas pipeline is provided with a gas supply part, a first control part and a second detection part, the gas supply part is used for providing cathode gas for the fuel cell, the first control part is used for controlling the cathode gas to enter the fuel cell and / or the exhaust pipeline, and the second detection part is used for detecting the pressure of the cathode gas entering the exhaust pipeline. The second detection part is used for detecting the pressure of cathode gas entering the fuel cell, and the first control part is in signal connection with the first detection part and the second detection part to realize interconnection. According to the fuel cell control structure disclosed by the utility model, the amount of cathode gas entering the fuel cell can be adjusted according to the anode gas pressure, so that the pressure difference between the cathode and the anode is in a proper range.
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