Temperature adaptive control method for cathode open type fuel cell

An adaptive control and fuel cell technology, applied in fuel cells, circuits, electrical components, etc., can solve the problems of reducing proton conductivity, slowing down the electrochemical reaction rate, reducing proton exchange membrane, etc., and achieve good dynamic control performance and The effect of robustness

Active Publication Date: 2019-08-09
FUZHOU UNIV
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Problems solved by technology

If the temperature of the stack is too low, the evaporation of water in the proton exchange membrane will be reduced, resulting in slower electrochemical reaction rate and lower battery performance
However, if the stack temp

Method used

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  • Temperature adaptive control method for cathode open type fuel cell
  • Temperature adaptive control method for cathode open type fuel cell
  • Temperature adaptive control method for cathode open type fuel cell

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0035] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to a temperature adaptive control method for a cathode open type fuel cell. The method comprises steps that a cathode open type fuel cell temperature model is established, various thermodynamic equations are expanded, physical quantities other than the fuel cell stack temperature and a forced heat convection transfer coefficient are further constantized, a state equation consisting of the fuel cell stack temperature and the forced heat convection transfer coefficient is established, a sliding mode surface of temperature tracking control is defined, a Lyapunov function isconstructed, a controller based on adaptive inversion sliding mode control strategy is designed in combination with the state equation, temperature control of the cathode open type fuel cell stack isrealized, and an adaptive system parameter changes.

Description

technical field [0001] The invention relates to the field of battery design, in particular to a temperature self-adaptive control method for an open cathode fuel cell. Background technique [0002] At present, global energy and environmental problems are becoming more and more serious, and countries all over the world are actively seeking solutions, and the purpose of vigorously promoting new energy vehicles in the automotive field is exactly the same. There are different types of new energy vehicles. Among them, fuel cell vehicles can not only completely replace fuel in fuel, but also have "zero emissions", high energy conversion efficiency, diverse fuel sources, and flexible renewable energy sources. Therefore, it is considered to be one of the important directions to realize the sustainable development of the automobile industry in the future, and also one of the ideal solutions to solve global energy and environmental problems. [0003] A fuel cell is an energy conversi...

Claims

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Application Information

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IPC IPC(8): H01M8/04701H01M8/04992
CPCH01M8/04701H01M8/04992Y02E60/50
Inventor 王亚雄林飞廖锐越张博
Owner FUZHOU UNIV
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