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Fuel cell generating system and heat regulating system thereof

A technology of power generation system and fuel cell, which is applied in the fields of fuel cell heat exchange, fuel cell, fuel cell auxiliary, etc., and can solve the problems of consumption and waste of electric energy.

Inactive Publication Date: 2009-11-04
TATUNG COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the power supply unit with larger power will consume most of the electric energy generated by the fuel cell stack, resulting in a waste of electric energy

Method used

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  • Fuel cell generating system and heat regulating system thereof
  • Fuel cell generating system and heat regulating system thereof
  • Fuel cell generating system and heat regulating system thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Please refer to figure 1 , which shows the architecture of the fuel cell power generation system of the first preferred embodiment of the present invention. As shown in the figure, the fuel cell power generation system 1 includes a fuel tank 11, a recombination module 12, a fuel cell stack (Fuel Cell Stack) 13, a heat exchange device 14, a refrigerant tank 15, a pump 16, and a pipeline17. The fuel tank 11 contains fuel and is connected to the recombination module 12 by a fuel pipe (not shown in the figure) for inputting the fuel into the recombination module 12 . The heat exchanging device 14 is disposed adjacent to the outside of the recombination module 12 , and in this embodiment, the heat exchanging device 14 is a plate heat exchanger. The refrigerant tank 15 stores refrigerant, and a pipeline 17 is disposed between the heat exchange device 14 and the fuel cell stack 13 . The refrigerant tank 15 and the pump 16 are arranged in the route of the pipeline 17 . The ...

Embodiment 2

[0035] Please refer to figure 2 , which shows the architecture of the fuel cell power generation system of the second preferred embodiment of the present invention. As shown in the figure, the difference between this embodiment and the previous embodiment is that the heat exchange device 14 of this embodiment is installed as the same module as the recombination module 12, and its position is arranged on the high temperature water transfer reaction unit 122 And between the regenerative oxidation reaction unit 123. Therefore, when starting the fuel cell power generation system 1 of this embodiment, the fuel is introduced into the heat exchange device 14 after being processed by the autothermal reforming reaction unit 121 and the high temperature water transfer reaction unit 122 in sequence. At this time, the temperature of the fuel is about 310°C. Secondly, the heat exchange device 14 of the present embodiment is a shell-and-tube heat exchanger, and the refrigerant is passed ...

Embodiment 3

[0037] Please refer to image 3 , which shows the architecture of the fuel cell power generation system of the third preferred embodiment of the present invention. As shown in the figure, the difference between this embodiment and the previous embodiment is that the heat exchange device 14 of this embodiment is installed behind the regenerative oxidation reaction unit 123 to recover the Unit 123 reacts the thermal energy of the fuel. The temperature of the fuel after being processed by the regenerative oxidation reaction unit 123 is about 500° C., so the fuel cell stack 13 can be activated more quickly.

[0038] From the above, it can be seen that when the fuel cell power generation system of the present invention is started, the fuel is the heat energy generated by the reaction in the recombination module first, and is transferred to the heat medium through the heat exchange device, so that the heat energy of the recombination module can be recovered. After that, the heat m...

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Abstract

The invention relates to a fuel cell generating system and a heat regulating system thereof. When the fuel cell generating system is started, the heat energy generated by reaction of fuel in a recombination module is transferred to a heat medium through a heat exchanging device, thus the heat energy of the recombination module can be recovered; and then, the heat energy of the heat medium is transferred to a fuel cell stack by the circulation of the heat medium between the heat exchanging device and the fuel cell stack, thus the heat energy of the recombination module can be used for preheating the fuel cell stack, therefore, the temperature of the fuel cell stack can rise to the operating temperature without consuming extra electric energy.

Description

technical field [0001] The invention relates to a fuel cell power generation system and its thermal regulation system, in particular to a fuel cell power generation system and its thermal regulation system suitable for recovering heat energy. Background technique [0002] In recent years, people are expecting to find an energy source to replace gasoline, so many resources have been devoted to research on the production technology of fuel cell power generation systems. Generally, a conventional fuel cell power generation system mainly includes a fuel cell stack (Fuel Cell Stack) and a reformer (Reformer). After the fuel passes through the reformer, hydrogen can be generated, and the hydrogen is introduced into the fuel cell stack to generate chemical energy-electric energy conversion reaction to generate electricity. However, when this kind of fuel cell system is started, it is necessary to install a heating plate adjacent to the fuel cell stack, and provide power to the hea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/24H01M8/06H01M8/04H01M8/00H01M8/04007H01M8/0606H01M8/2404
CPCY02E60/50
Inventor 林加弘张孙伟叶名倧林明宪
Owner TATUNG COMPANY