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Anode gas circulating system for fuel battery

A kind of anode gas and fuel cell technology, which is applied in the direction of fuel cells, fuel cell additives, electrical components, etc., can solve the problems of affecting the service life of fuel cells, increasing the resistance of fuel cells, and the reaction cannot continue, so as to reduce electric energy, Effect of reducing parasitic loss and improving power generation efficiency

Inactive Publication Date: 2003-03-26
ASIA PACIFIC FUEL CELL TECH
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AI Technical Summary

Problems solved by technology

Generally speaking, when the water content in hydrogen is too small, the proton exchange membrane will dehydrate, which will increase the resistance of the fuel cell and reduce the voltage, which will affect the service life of the fuel cell
On the contrary, if the water content is too much, it may block the passage of the gas in the bipolar plate, so that the reaction between the gases cannot continue, and it will also have a negative impact on the performance of the fuel cell

Method used

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  • Anode gas circulating system for fuel battery
  • Anode gas circulating system for fuel battery
  • Anode gas circulating system for fuel battery

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Embodiment Construction

[0049] The anode gas circulation system of the fuel cell of the present invention is mainly aimed at the hydrogen circulation system of the proton exchange membrane fuel cell, wherein a preferred embodiment is roughly as follows Figure 5As shown in , an anode gas supply source 60 is included to provide the anode gas required by the fuel cell 80 for the reaction. In the embodiment of the proton exchange membrane fuel cell, the anode gas is pure hydrogen. The anode gas is input into the fuel cell 80 through an input port 82 after passing through a switch device 62 and a regulator device 64 . The switch device 62 can be a solenoid valve (solenoid valve), which can control the flow of the pipeline in one direction, so as to determine whether to supply new gas from the anode gas supply source 60 . As for the regulating device 64, such as a regulating valve (regulation valve), it is used to control the size of the anode gas flow rate, and it is usually set to provide a flow rate hi...

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Abstract

The system mainly comprises th anodic gas supply source, the switching device and the adjusting device, the sensor and the humidifying device. The adjusting device is utilized to control the quantity of supplying the anodic gas. The sensor senses the content of the anodic gas discharged after the reactino of the fuel cell. The sensor is connected to the switching device for controlling on / off the switching device. The humidifying device is used to adjust the humidify of the anodic gas discharged. The discharged anodic gas with the humidity being adjusted is connected to the input end of the anodic gas of the fuel cell, forming the anodic gas circulation.

Description

technical field [0001] The present invention relates to an anode gas circulation system for a fuel cell, in particular to an anode streamer circulation system for a proton exchange membrane fuel cell (proton exchange membrane fuel cell), especially for Hydrogen circulation system for proton exchange membrane fuel cells. Background technique [0002] With the progress of human civilization, the consumption of traditional energy such as coal, oil and natural gas continues to rise, causing serious pollution of the earth, leading to the deterioration of the environment such as greenhouse effect and acid rain. Human beings have clearly realized and realized that the stock of natural energy is limited, and if it is continuously abused, it may be exhausted in the near future. Therefore, the world's advanced countries have recently been devoting themselves to research and development of new alternative energy sources, and fuel cells (fuel cells) are one of the important options wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04089H01M8/04119
CPCH01M8/04097H01M8/04126Y02E60/50
Inventor 杨源生
Owner ASIA PACIFIC FUEL CELL TECH
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