FR2888331-A1  METIKOS-HUKOVIC ET AL: &quot;Anodically formed oxide films and oxygen reduction on electrodeposited ruthenium in acid solution&quot; ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 51, no. 7, 1 juillet 2005 (2005-07-01), pages 1157-1164, XP005223773 ISSN: 0013-4686;  METIKOS-HUKOVIC ET AL: "Anodically formed oxide films and oxygen reduction on electrodeposited ruthenium in acid solution" ELECTROCHIMICA ACTA, ELSEVIER SCIENCE PUBLISHERS, BARKING, GB, vol. 51, no. 7, 1 juillet 2005 (2005-07-01), pages 1157-1164, XP005223773 ISSN: 0013-4686;  GARNIER A J ET AL: &quot;Dynamic PEM fuel cell modeling for automotive applications&quot; VEHICULAR TECHNOLOGY CONFERENCE, 2003. VTC 2003-FALL. 2003 IEEE 58TH ORLANDO, FL, USA 6-9 OCT. 2003, PISCATAWAY, NJ, USA,IEEE, US, vol. 5, 6 octobre 2003 (2003-10-06), pages 3284-3288, XP010702425 ISBN: 0-7803-7954-3;  GARNIER A J ET AL: "Dynamic PEM fuel cell modeling for automotive applications" VEHICULAR TECHNOLOGY CONFERENCE, 2003. VTC 2003-FALL. 2003 IEEE 58TH ORLANDO, FL, USA 6-9 OCT. 2003, PISCATAWAY, NJ, USA,IEEE, US, vol. 5, 6 octobre 2003 (2003-10-06), pages 3284-3288, XP010702425 ISBN: 0-7803-7954-3;  HOMBRADOS ET AL: &quot;Symmetrical electrode mode for PEMFC characterisation using impedance spectroscopy&quot; JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 151, 2 juin 2005 (2005-06-02), pages 25-31, XP005108139 ISSN: 0378-7753;  HOMBRADOS ET AL: "Symmetrical electrode mode for PEMFC characterisation using impedance spectroscopy" JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 151, 2 juin 2005 (2005-06-02), pages 25-31, XP005108139 ISSN: 0378-7753;  KURZWEIL P ET AL: &quot;A new monitoring method for electrochemical aggregates by impedance spectroscopy&quot; JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 127, no. 1-2, 10 mars 2004 (2004-03-10), pages 331-340, XP004494995 ISSN: 0378-7753;  KURZWEIL P ET AL: "A new monitoring method for electrochemical aggregates by impedance spectroscopy" JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 127, no. 1-2, 10 mars 2004 (2004-03-10), pages 331-340, XP004494995 ISSN: 0378-7753;  VLADIKOVA D ET AL: &quot;Secondary differential impedance analysis - a tool for recognition of CPE behavior&quot; JOURNAL OF ELECTROANALYTICAL CHEMISTRY AND INTERFACIAL ELECTROCHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 572, no. 2, 1 novembre 2004 (2004-11-01), pages 377-387, XP004588688 ISSN: 0022-0728;  VLADIKOVA D ET AL: "Secondary differential impedance analysis - a tool for recognition of CPE behavior" JOURNAL OF ELECTROANALYTICAL CHEMISTRY AND INTERFACIAL ELECTROCHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 572, no. 2, 1 novembre 2004 (2004-11-01), pages 377-387, XP004588688 ISSN: 0022-0728