http://www.fch-ju.eu/ Programme Review Day 2011 Brussels, 22 November
Development of an Internal Reforming Alcohol igh Temperature PEM Fuel Cell Stack IRAFC 245202 FC-JU-2008-1 Stylianos G. Neophytides Advent Technologies
Consortium Advent Technologies (Coordinator) Greece R&D and production of MEAs University of Maria Curie- Sklodowska, Department of Chemical Technology UMCS, Poland Preparation, studying and characterization of catalysts Nedstack Fuel Cell Technology BV, The Netherlands Producer of PEM fuel cell stacks and systems Centre National de la Recherche Scientifique, Laboratory of Materials, Surfaces and Catalytic Processes (LMSPC) France Preparation of new catalytic materials, catalytic reactivity, kinetic studies and surface science, new energy sources,electrocatalysis and fuel cells Foundation for Research and Technology ellas-institute of Chemical Engineering & igh Temperature Chemical Processes, Greece igh and low temperature electrochemistry, heterogeneous catalysis, chemical and electrochemical kinetics and reactor design Institut für Mikrotechnik Mainz Gmb, Germany Research and development in microtechnology
The ultimate goal of the project is to deliver: -An Internal-Alcohol-Reforming igh-temperature PEM fuel cell (IRAFC) with the following characteristics: (i) 0.15 W/cm 2 at 0.7V, operating at 220 C (ii) Specific (W/kg) and volumetric (W/m 3 ) power density similar to current, state-of-the-art high-temperature PEM fuel cells operating on hydrogen.
STRATEGY AND MILESTNES MEA operating at temperatures 200-220 C Methanol reforming catalysts active at 200-240 C ptimum combined fuel cell and reformer stack design Reliable system performance at 200-220 C for 500hrs
WP1: Management Research Activities WP2: Synthesis and characterization of novel high temperature polymer electrolyte membranes WP3: Reforming catalyst: synthesis and screening WP5: Electrochemical characterization of materials WP4: Catalytic formulations into functional structures WP6: Single cell, stack design and testing WP7: Construction, long term testing of short stacks and integration of a 100W stack to a complete system WP8: Dissemination, Exploitation and management of IPRs
MEA testing at 180-220 C Preparation of new crosslinked membranes Crosslinking of the polymer electrolytes using three different methodologies has been selected and tested providing high quality crosslinked membranes that was the base of MEA construction that are able to operate at temperatures up to 230 C.
MEA stability test 200 C MEA stability test 210 C No degradation observed at 200 C for 48hrs Stable performance at 210 C for 550hrs
Me conversion, % C selectivity, % CuMnAl results in More than threefold increase in catalytic rate than x CuMn x 20 CuMn x 100 15 CuMnAl x solid symbols: 5% Me/7.5 % 2 /e open symbols: 20% Me/30 % 2 /e 10 5 W=0.3 g F=70 cc/min 60 40 0 180 200 220 240 260 280 300 2 production rate, cm 3 min -1 g -1 Me conversion, % 80 CuMnAl/Cu foam (5x5x0.3 cm) 200 o C, single cell 30% Me/45% 2 /e 20% Me/30% 2 /e 20 0 10% Me/15% 2 /e 5% Me/7.5% 2 /e 100 80 60 40 40 30 20 20 0 180 200 220 240 260 280 300 T, o C 10 0 0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0 5,5 Contact time, g s cm -3
Internal reforming alcohol single cell Different combined single cell architectu Been tested Internal Reforming Methanol Fuel Cell Al Plate Current Collector Graphite Plate Flowfield T-Polymer Electrolyte Membrane C methanol & water + + oxygen + C carbon dioxide & water + water CuMn/Cu foam catalyst C 3 + 2 3 2 +C 2 Anode: Pt/C 2 2 + +2e - Cathode: Pt/C 0.5 2 +2 + +2e - 2 CuMnx/Cu foam Modified Graphite Plate (Anode) MEA and CuMn x /Cu foam catalyst
CAD model of the final system Dimensions: L 320 mm W 290 mm 125 mm Volume 11.6 L (w/o Insulation + DC/DC converter + control board) Comparison: n market system (250 W) L 600 mm W 400 mm 250 mm Volume 60 L
IRAFC System advantages: Easy fueling Use of liquid fuel Compact design Combination of reformer/fuel cell Multi application Application areas: Portable fuel cells Stationary Back up and UPS systems Remote and off grid areas In agreement with early markets application areas goals
Technology transfer: ighly interdisciplinary approach since the consortium consists of companies and academic institutes whose expertise cover a broad range of activities Interface with international and national research projects, e.g.: - DEMMEA -245156-09-ΣΥΝ-51-453 - Eurostars E!5094 Future perspectives: Exploitation of the system application in: - Refrigerators in remote and off grid areas - Stationary back up power systems
Dissemination & public awareness: 6 publications in peer reviewed journals Participation in 16 conferences and events 1 patent application Website dedicated to IRAFC project (http://irafc.iceht.forth.gr/index.php)