Fuel cell anode circulation path, control method, fuel cell system, and storage medium

By introducing a hydrogen heat exchanger and an adjustable heat exchanger valve into the fuel cell anode circulation path, the problem of inaccurate hydrogen temperature control in the prior art is solved, effective control of the stack humidity is achieved, and the performance and life of the fuel cell are improved.

CN119725633APending Publication Date: 2025-03-28ANHUI RUIHE POWER TECH CO LTD
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Patent Information

Application Number
CN202411829492.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to accurately control the hydrogen temperature of the fuel cell, resulting in abnormal stack humidity and affecting the stability and life of the fuel cell.

Method used

A fuel cell anode circulation path is designed, including a hydrogen heat exchanger and an adjustable heat exchanger valve. By adjusting the opening degree of the heat exchanger valve and the rotation speed of the hydrogen circulation pump, the temperature of the hydrogen gas is accurately controlled.

Benefits of technology

Accurate control of the hydrogen temperature of the fuel cell is achieved, ensuring that the stack humidity is within the appropriate range, and improving the performance and durability of the fuel cell.

✦ Generated by Eureka AI based on patent content.
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Abstract

The invention discloses a fuel cell anode circulation path which comprises a first controller, a second controller, a hydrogen circulation pump, an ejector connected with the hydrogen circulation pump, a hydrogen heat exchanger and a heat exchanger valve connected with the hydrogen heat exchanger. The first controller is set to adjust the opening degree of the heat exchanger valve according to the obtained first data information, and the second controller is set to adjust the rotating speed of the hydrogen circulating pump according to the obtained second data information. According to the fuel cell anode circulation path disclosed by the invention, the hydrogen heat exchanger is additionally arranged, and the adjustable valve is additionally arranged in the hot fluid pipeline, so that heat for preheating new hydrogen can be controlled, and the temperature value of the new hydrogen is controlled; by adjusting the valve opening degree of the heat exchanger and the rotating speed value of the hydrogen circulating pump, the ideal hydrogen entering temperature under different powers is achieved, the control accuracy of the hydrogen temperature of the fuel cell is improved, the proper humidity of the galvanic pile under different current densities is achieved, and therefore the performance and durability of the galvanic pile are improved. The invention also discloses a control method of the fuel cell anode circulation path, a fuel cell system and a computer readable storage medium.
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