1 July 2014 Kultur- und Kongresszentrum Luzern
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1 EFCF FUEL CELL TUTORIAL by Tutors Dr. Günther G. Scherer Electrochemistry Laboratory Paul Scherrer Institute PSI Switzerland MER Dr. Jan Van Herle Laboratory of Industrial Energy Systems (LENI, EPFL) EPF Lausanne Switzerland 1 July 2014 Kultur- und Kongresszentrum Luzern On the occasion of the 11 th European SOFC and SOE Forum July European Fuel Cell Forum Obgardihalde 2, 6043 Luzern-Adligenswil, Switzerland
2 This tutorial manuscript and part of it must not be made available for sharing through any open electronic means or hardcopy or other media tools and channels. Copyright European Fuel Cell Forum AG EFCF Obgardihalde Luzern-Adligenswil Switzerland Paul Scherrer Institute PSI Electrochemistry Laboratory ECL 5232 Villigen PSI Switzerland EPF Lausanne EPFL Laboratory of Industrial Energy Systems LENI 1015 Lausanne Switzerland 2/196 Tutorial Lecture 1-6
3 Table of content TUTORS... 5 L1: Fundamentals of Electrochemical Energy Conversion (GGS)... 6 a. Introduction to fuel cells 6 b. Fundamentals of fuel cells 14 L2: Characteristics of the Important Fuel Cell Technologies (GGS) a. Overview of FC Technologies 26 b. PEFC 31 c. PAFC 39 d. AFC 40 e. MCFC 42 f. SOFC 45 g. Redox Flow Batteries 48 L3: Fuels for Fuel Cells, Fuel Processing (JVh) a. FC Types 50 b. Which fuel for which application? 54 c. Fuel Cell SYSTEM 59 d. H2 production 61 e. Fuel and electrical efficiency 64 f. Carbon deposition issue at high T from CHx fuels 69 g. CO adsorption issue in low T FC 71 h. Fuel processing summary 75 Lecture 1-6 Tutorial 3/196
4 L4: Applications of Polymer Electrolyte Fuel Cells PEFC (GGS) a. Systems issues: 79 Cost 79 Reliability 80 Humidification 81 Platinum loading, H2-purity 87 Gas diffucion layer, Bipolar plate 89 b. Mobile, stationary, portable applications 91 Mobile Application : H2 (on board) /Air 91 Stationary Applications :H2 (from natural gas, Methanol) / Air 102 Portable Applications : Methanol / Air 107 Mobile Applications : H2 (on board) /O2 (on board) 111 c. Future 116 L5: System Aspects, Applications of High Temperature Fuel Cells e.g. SOFC (JVh) a. Balance of Plant (BoP) Layout (e.g. SOFC) 119 b. Application Markets 121 c. System Aspects with H2 as Transport Fuel 132 d. SOFC System Modeling and Optimisation 145 e. Conclusion 151 L6: State-of-the-art, challenges per fuel cell type (JVh) a. Specifics of FC types 152 b. Fact Sheet of SOFC today Commercialisation 160 c. Factors to success Testing 164 d. Levels in development and modeling 170 e. Electrolyte and Anode 171 f. Interconnect 177 g. Cathode 180 h. Sealing 183 i. Modelling 184 j. System lifetime & efficiency 189 k. Solid Oxide Electrolysis: inverse fuel cell 190 l. Conclusion 193 4/196 Tutorial Lecture 1-6
5 TUTORS MER Dr. Jan Van Herle (JVh) Dr. Günther G. Scherer (GGS) Jan Van Herle obtained a chemistry degree from Basel University (Switzerland) in 1987 followed by a masters degree in Information Science in The same year he temporarily joined ABB in Baden for a SOFC demonstration project led by Dr Ulf Bossel, in preparing for his PhD. In 1993 he obtained a doctoral degree from Ecole Polytechnique Fédérale de Lausanne (EPFL, Switzerland) with a thesis on SOFC cathode reaction mechanisms. After a postdoc in Japan (Tsukuba, Prof. H Yokokawa, Prof. T Kawada) he returned to EPFL as scientific collaborator in SOFC research at the Chemistry Department, focusing on electrochemistry and materials. In 2000, he cofounded HTceramix, a Swiss SOFC company, and completed a masters degree in Energy Technology at EPFL, to join the Laboratory of Industrial Energy Systems (LENI, EPFL, Prof. D Favrat), as a lecturer and group leader of SOFC research, focusing on fuels and stacks. J. Van Herle has coauthored 165 publications and comanaged 50 SOFC projects in half of which he was the main applicant. In 2008 he was promoted to MER at EPFL (Research and Teaching Responsible). f Dr. Günther G. Scherer studied Chemistry at the Technical University Munich (Diplom-Chemiker) and obtained a PhD in Physical Chemistry from the Technical University Berlin in 1975, while working with Prof. Heinz Gerischer and Prof. Frank Willig at the Fritz-Haber Institut of the Max-Planck- Gesellschaft. After a stay as an IBM World Trade Post-Doctoral Fellow at the IBM Research Laboratory in San Jose, California, he joined the Battelle-Institut Frankfurt (Dr. G. Sandstede) with a scholarship of the German National Science Foundation, working on electrochemical oxygen reduction. In 1980 he moved on to the Brown Boveri Research Center, Baden, Switzerland, where he was involved in an R&D project on large scale water electrolysis, and from 1986 to 1989 he continued to work at Ingold Messtechnik, Urdorf, Switzerland, heading a research group on electrochemical sensors. In 1989 he joined Paul Scherrer Institut, Villigen, Switzerland and started PSI's activity on Polymer Electrolyte Fuel Cells (PEFCs). Since 2002 he is Head of the Electrochemistry Laboratory of Paul Scherrer Institut. Lecture 1-6 Tutorial 5/196
6 l. Conclusion Lecture 1-6 Tutorial 193/196
7 194/196 Tutorial Lecture 1-6
8 Lecture 1-6 Tutorial 195/196
9 196/196 Tutorial Lecture 1-6
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