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recirculating fuel cell system

A fuel cell system and recirculation system technology, which is applied to fuel cells, circuits, electrical components, etc., can solve the problems of being unsuitable for direct discharge, unable to achieve zero discharge of cathode and anode reaction gases, etc., so as to improve nitrogen utilization and utilization. rate, switching flexible effects

Active Publication Date: 2019-01-29
TSINGHUA UNIV
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Problems solved by technology

Therefore, in a confined space, the cathode gas and anode gas of the fuel cell are not suitable for direct discharge
However, the existing fuel cell system structure cannot achieve zero discharge of cathode and anode reactant gas

Method used

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Embodiment Construction

[0083] The present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments, with reference to the accompanying drawings. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0084] see figure 1 , the embodiment of the present invention provides a recirculating fuel cell system 10, which includes a first fuel cell body 110, a second fuel cell body 120, an anode recirculation system 130, a cathode recirculation system 140, and a nitrogen Recirculation system 150. The anode recirculation system 130 and the cathode recircu...

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Abstract

The invention provides a recycling fuel cell system which comprises a first fuel cell main body, a second fuel cell main body, an anode recycling system, a cathode recycling system and a nitrogen recycling system. The anode recycling system and the cathode recycling system are respectively communicated with the first fuel cell main body, and are used for recycling an anode reactant gas and a cathode reactant gas of the first fuel cell main body. The second fuel cell main body is connected with the first fuel cell main body in series, and is used for consuming the residual anode reactant gas and cathode reactant gas of reaction of the first fuel cell main body. The nitrogen recycling system is respectively communicated with the anode recycling system, the cathode recycling system and an exhaust end of the second fuel cell main body. The nitrogen recycling system introduces nitrogen circulation for an anode and a cathode of the first fuel cell main body.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to the technical field of fuel cells. Background technique [0002] At present, global oil resources are becoming increasingly depleted, and environmental problems such as the greenhouse effect are becoming more and more serious. Compared with traditional internal combustion engines, electric motors and other power sources, fuel cells have great advantages in power density and environmental friendliness. A fuel cell is an electrochemical device that converts chemical energy directly into electrical energy. Since the energy conversion process of the fuel cell is not limited by the Carnot cycle, its energy conversion efficiency is relatively high. During the working process of the fuel cell, the fuel consumed is hydrogen, the reaction product is water, and the harmful emissions are zero, so it is one of the cleanest energy sources. [0003] Only the fuel cell body cannot work, an...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04089H01M8/0662
CPCH01M8/04097H01M8/0662Y02E60/50
Inventor 李建秋胡尊严方川徐梁飞欧阳明高
Owner TSINGHUA UNIV
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