Energy Storage Science and Technology ›› 2021, Vol. 10 ›› Issue (2): 577-585.doi: 10.19799/j.cnki.2095-4239.2020.0393

• Energy Storage System and Engineering • Previous Articles     Next Articles

Performance degradation analysis methods for fuel cell vehicles based on demonstration operations

Junsheng ZHENG1,2(), Ningning DAI1,2, Kun ZHAO1, Jingnan YU1   

  1. 1.School of Automotive Studies, Tongji University
    2.Clean Energy Automotive Engineering Center, Tongji University, Shanghai 201804, China
  • Received:2020-12-04 Revised:2020-12-25 Online:2021-03-05 Published:2021-03-05
  • Contact: Junsheng ZHENG E-mail:jszheng@tongji.edu.cn

Abstract:

The fuel cell vehicle commercialization demonstration operation project aims to study the commercial application prospect of fuel cell vehicles and improve fuel cell vehicles in terms of economy, reliability, and life. It is an important way to promote the commercial development of fuel cell vehicles. The fuel cell system's service life is the main factor restricting the commercial development of fuel cell vehicles. Therefore, it is important to improve the service life of fuel cell vehicles, analyze the performance attenuation process of fuel cell systems under road working conditions, and clarify the performance degradation mechanism of fuel cell systems through the research work of the demonstration operation project. On the basis of the discussions of related studies, this paper reviews the research progress of the fuel cell vehicle demonstration operation project, introduces methods to analyze fuel cell system performance degradation, and points out that the main research contents of the demonstration operation project mainly include operating condition and performance degradation analyses of fuel cell stacks. The data-driven and model-based analysis methods are introduced emphatically. The function to fit the steady-state polarization characteristics is deduced from the polarization curve used in fuel cell voltage analysis. The fitting results of the steady-state polarization characteristics are only applicable to specific operating environments and have no wide applicability. Finally, this paper summarizes the emphases of the fuel cell vehicle demonstration operation project research and the development trend of the analysis methods to provide a reference for fuel cell research based on demonstration operation.

Key words: fuel cell, demonstration operation, performance degradation, data analysis

CLC Number: