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Fuel cell and thermal management control system thereof

A fuel cell and control system technology, applied in fuel cells, circuits, electrical components, etc., can solve the problems of hydrogen fuel cell intake efficiency, water pump power, etc., to increase net output power, reduce area, and reduce energy consumption Effect

Pending Publication Date: 2022-04-08
SHANGHAI EVERPOWER TECHNOLOGIES LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As shown above, in the prior art, only by exchanging the cold of the air conditioner with the heat of the fuel cell, it does not solve the need of how to further improve the intake efficiency of the hydrogen fuel cell and reduce the power of the water pump

Method used

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  • Fuel cell and thermal management control system thereof

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Embodiment Construction

[0036] A detailed description will be given below in conjunction with the accompanying drawings.

[0037] Aiming at the deficiencies of the prior art, the present invention provides a fuel cell and its thermal management control system. The present invention can also provide a carrier provided with the thermal management control system of the present invention. The vehicle is, for example, a vehicle or a ship.

[0038] The cooling medium of the present invention includes at least cooling water, cooling liquid, cooling oil and the like.

[0039] Cold energy: Usually temperature is the embodiment of the average kinetic energy of molecules. Generally speaking, it is cold so that the molecules of matter move slowly and have little energy. However, under certain conditions, the temperature difference between the cold source and the heat source can be used. For example, in this paper, a heat exchanger is used to cool the relatively high-temperature medium to achieve the energy uti...

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Abstract

The invention relates to a fuel cell and a thermal management control system thereof.The thermal management control system at least comprises a hydrogen supply pipeline and a cooling liquid loop, at least one heat exchanger is arranged between a hydrogen storage tank of the hydrogen supply pipeline and an anode of a galvanic pile, and one end of the heat exchanger is connected with a cooling outlet of the galvanic pile; the other end of the heat exchanger is connected with a cooling inlet of a galvanic pile through a pump, under the condition that hydrogen exchanges heat with a cooling medium through the heat exchanger, the hydrogen absorbs heat energy of the cooling medium to be gasified, and the hydrogen with the increased pressure drives a turbine pressure reduction mechanism to perform pressure reduction action; and / or the heat exchanger further enables the refrigerant to communicate with the air conditioning system loop in a mode of passing through the heat exchanger, so that the refrigerant in the air conditioning system loop exchanges heat energy with the hydrogen. The method has the advantages that firstly, the cold energy of the liquid hydrogen is effectively utilized; and secondly, by arranging the heat exchanger, the power of the radiator is reduced or even the radiator is omitted, and energy consumption is saved.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a fuel cell and a thermal management control system thereof. Background technique [0002] Hydrogen usually passes through heating and decompression devices before entering the stack, and the stack and its accessories will generate a lot of heat during operation, and a cooling system is usually required for cooling. The temperature of liquid hydrogen is around -240°C, the pressure inside the high-pressure hydrogen tank is usually 35MPa or 70MPa, the pressure of hydrogen before the stack inlet is generally 0.2MPa, and the temperature is around 50°. Cold energy and pressure potential energy are not utilized. [0003] The thermal management technology of hydrogen fuel cells focuses on the control and management of the temperature difference between the outlet water of the stack cooling circuit and the temperature difference between the inlet and outlet. Conventional thermal mana...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04029H01M8/04089
CPCY02E60/50
Inventor 沈威慧高勇胡磊
Owner SHANGHAI EVERPOWER TECHNOLOGIES LTD
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