The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The present paper deals with monitoring of flooding and drying out of a proton exchange membrane (PEM) fuel cell using a model-based approach coupled with ac impedance measurements. A study of the impedance response of a 150 cm 2 six-cell air/H 2 PEM fuel cell as a function of inlet gas relative humidity was carried out. Parameters of a Randles-like equivalent circuit were then fitted...