期刊
ENERGY
卷 255, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2022.124523
关键词
Fuel cell lifetime prediction; Working condition spectrum; Extraction method; Durability test protocol; Energy management strategy evaluation
资金
- National Key Research and Devel- opment Program of China [2020YFB1506002]
- National Natural Science Foundation of China [21975143]
This study proposes a working condition spectrum extraction method for predicting the lifetime of fuel cells, which is validated and used to predict the lifetime of fuel cells in hybrid power systems with different energy management strategies. The results provide valuable insights for fuel cell durability research.
Lifetime is a major bottleneck for the commercialization of fuel cells. A quick evaluating method for fuel cell lifetime can assist in immediately assessing technology progress, predicting lifetime in real-time, and extending durability. Among the existing methods, the lifetime prediction method based on working conditions is a cost-effective, time-saving, and realistic method. However, there are no methods and clear standards for extracting the time and frequency of working conditions in test protocols used in this method. In this study, the working condition spectrum extraction method is proposed and used to extract the working condition spectra of commonly used durability test protocols. The lifetime prediction of fuel cells operating under different specific test protocols based on the working condition spectrum extraction method is performed and verified to demonstrate its reliability. Furthermore, the proposed method is used to extract the working condition spectra and predict the lifetime of fuel cells in hybrid power systems with different energy management strategies (EMSs). The results show that the extraction method can provide an evaluation method for developing EMSs of fuel cell hybrid power systems from the lifetime perspective, which is useful for fuel cell durability research. (c) 2022 Elsevier Ltd. All rights reserved.
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