期刊
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
卷 42, 期 12, 页码 3899-3914出版社
WILEY-HINDAWI
DOI: 10.1002/er.4125
关键词
alkaline water electrolyzer; external electrothermal characteristic; hydrogen production; mathematical modeling; power regulation model; simulation tool; temperature rise model
资金
- Fundamental Research Funds for the Central Universities
The water electrolyzer is a key device in the direct energy interaction between the hydrogen production system and the fluctuation power supply. Therefore, to understand its external electrothermal characteristics and modeling, an efficient simulation method is not only theoretically significant but also of great value in engineering applications for the key techniques, such as the study of control strategy and optimum configuration of renewable energy generation. Currently, research studies on the electrothermal characteristics of the alkaline water electrolyzer (AWE) are focused mainly on the microcosmic mechanism, without sufficient emphasis on the modeling and simulation technique of the external macroscopic electrothermal characteristics. Based on relevant theories in electrochemistry and test results of the electrothermal characteristics, this paper establishes a mathematical model of the equivalent impedance characteristics, electrothermal characteristics, and power regulation characteristics of AWE. Then, a simulation model of the external electrothermal characteristics is built with Matlab/Simulink. Finally, the accuracy of the established mathematical model and the functionality of the simulation model are verified. The research can provide some reference for the modeling and simulation of the electrical characteristics of AWE.
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