WO200115254-A2  BOYER C ET AL: "Measurements of proton conductivity in the active layer of PEM fuel cell gas diffusion electrodes" ELECTROCHIMICA ACTA,GB,ELSEVIER SCIENCE PUBLISHERS, BARKING, vol. 43, no. 24, 21 August 1998 (1998-08-21), pages 3703-3709, XP004132409 ISSN: 0013-4686;  MARR C ET AL: "Composition and performance modelling of catalyst layer in a proton exchange membrane fuel cell" JOURNAL OF POWER SOURCES,CH,ELSEVIER SEQUOIA S.A. LAUSANNE, vol. 77, no. 1, 1999, pages 17-27, XP004156276 ISSN: 0378-7753;  WANG J T ET AL: "Simulation studies on the fuel electrode of a H2-O2 polymer electrolyte fuel cell" ELECTROCHIMICA ACTA, vol. 37, no. 15, 1992, pages 2737-2745, XP002168864WO200115254-A3  WANG J T ET AL: "Simulation studies on the fuel electrode of a H2-O2 polymer electrolyte fuel cell" ELECTROCHIMICA ACTA, vol. 37, no. 15, 1992, pages 2737-2745, XP002168864;  BOYER C ET AL: "Measurements of proton conductivity in the active layer of PEM fuel cell gas diffusion electrodes" ELECTROCHIMICA ACTA,GB,ELSEVIER SCIENCE PUBLISHERS, BARKING, vol. 43, no. 24, 21 August 1998 (1998-08-21), pages 3703-3709, XP004132409 ISSN: 0013-4686;  MARR C ET AL: "Composition and performance modelling of catalyst layer in a proton exchange membrane fuel cell" JOURNAL OF POWER SOURCES,CH,ELSEVIER SEQUOIA S.A. LAUSANNE, vol. 77, no. 1, 1999, pages 17-27, XP004156276 ISSN: 0378-7753;  WANG J T ET AL: "Simulation studies on the fuel electrode of a H2-O2 polymer electrolyte fuel cell", ELECTROCHIMICA ACTA, vol. 37, no. 15, 1992, pages 2737 - 2745, XP002168864;  BOYER C ET AL: "Measurements of proton conductivity in the active layer of PEM fuel cell gas diffusion electrodes", ELECTROCHIMICA ACTA,GB,ELSEVIER SCIENCE PUBLISHERS, BARKING, vol. 43, no. 24, 21 August 1998 (1998-08-21), pages 3703 - 3709, XP004132409, ISSN: 0013-4686;  MARR C ET AL: "Composition and performance modelling of catalyst layer in a proton exchange membrane fuel cell", JOURNAL OF POWER SOURCES,CH,ELSEVIER SEQUOIA S.A. LAUSANNE, vol. 77, no. 1, 1999, pages 17 - 27, XP004156276, ISSN: 0378-7753