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Implementation of DEIS for reliable fault monitoring and detection in PEMFC single cells and stacks

Darowicki, Kazimierz and Janicka, Ewa and Mielniczek, Michal and Zielinski, Artur and Gawel, Lukasz and Mitzel, Jens and Hunger, Jürgen (2018) Implementation of DEIS for reliable fault monitoring and detection in PEMFC single cells and stacks. International Journal of Hydrogen Energy, 292, pp. 383-389. Elsevier. DOI: 10.1016/j.electacta.2018.09.105 ISSN 0360-3199 (In Press)

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Official URL: https://www.sciencedirect.com/science/article/pii/S0013468618320929

Abstract

Dynamic Electrochemical Impedance Spectroscopy (DEIS) was presented as novel method for diagnostic and monitoring of PEMFC stack and single cells operation. Impedance characteristics were obtained simultaneously with current - voltage characteristics for stack and each individual cell. Impedance measurements were performed in galvanodynamic mode. It allowed to compare performance of each cell and identification of faulty cell operation for activation, ohmic and mass transfer losses regions. The biggest difference in impedance value between healthy and faulty cell was registered for mass Transfer losses region. The authors discussed the statistical selection of an equivalent circuit based on the course of c2 value in the function of current.

Item URL in elib:https://elib.dlr.de/122420/
Document Type:Article
Title:Implementation of DEIS for reliable fault monitoring and detection in PEMFC single cells and stacks
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Darowicki, KazimierzPolitechnika GdanskaUNSPECIFIED
Janicka, EwaPolitechnika GdanskaUNSPECIFIED
Mielniczek, MichalPolitechnika GdanskaUNSPECIFIED
Zielinski, ArturPolitechnika GdanskaUNSPECIFIED
Gawel, LukaszPolitechnika GdanskaUNSPECIFIED
Mitzel, JensJens.Mitzel (at) dlr.dehttps://orcid.org/0000-0001-8137-9689
Hunger, JürgenZSWUNSPECIFIED
Date:1 December 2018
Journal or Publication Title:International Journal of Hydrogen Energy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:292
DOI :10.1016/j.electacta.2018.09.105
Page Range:pp. 383-389
Publisher:Elsevier
ISSN:0360-3199
Status:In Press
Keywords:PEM fuel cell Performance Diagnostics Impedance Equivalent circuit
HGF - Research field:Energy
HGF - Program:Storage and Cross-linked Infrastructures
HGF - Program Themes:Fuel cells
DLR - Research area:Energy
DLR - Program:E SP - Energy Storage
DLR - Research theme (Project):E - Electrochemical Processes (Fuel Cells)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Electrochemical Energy Technology
Deposited By: Mitzel, Dr. Jens
Deposited On:26 Nov 2018 10:24
Last Modified:26 Nov 2018 10:24

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