1 Subsidary of DaimlerChrysler AG Established January 2003 Located near Munich / Germany Total Area: 5000 m² Research & Development Power Plant Assembly and Test Pilot Cell Manufacturing 2
The HotModule Fuel Cell Programme Peter M. Berger D 81663 München Technology und Plant-Design Advantages compared to conventional power plants Biogas and the carbonate fuel cell Next stepps, Commerzialisation 3 Principle of the Carbonate Fuel Cell CH 4, H 2 O Catalyst CH 4 + 2 H 2 O ---> CO 2 + 4 H 2 Reforming reaction O 2, CO 2 H 2 O, CO 2 Anode H 2 + CO -- 3 ---> H 2 O + CO 2 + 2 e - Matrix with Electrolyte CO -- 3 Cathode CO 2 + 1/2 O 2 + 2 e - ---> CO -- 3 Anoden reaction 2 e - Cathode reaction Offgas DaimlerChrysler Powersystems Off -Highway 4
Single Carbonate Fuel Cell 5 Integration - Fuel Cell Stack 6
Hot Module packaging priniziple Mixing box Air el. heater Vessel Gasket Blower Catalytic burner MCFC Stack Offgas Manifold Gas 7 Process Flow Diagram Hot Module Periphery Boiler Feed Water Heat Utilization (optional) Steam HotModule Fresh Air Cat. Burner Nitrogen for Start and Emergency Fuel Gas Desulfurizer FC electrical start heater Dosing Pump HUMIHEX Preconverter preheater Mixing Zone FC start heater DC/AC Converter Grid Connector Control System DaimlerChrysler Powersystems Off-Highway 18.05.2004 Pfad\Verzeichnis\Verzeichnis 8
Prototyp Prototyp, Dezember, 2001 DaimlerChrysler Powersystems Off-Highway 18.05.2004 DaimlerChrysler Powersystems Off -Highway Pfad\Verzeichnis\Verzeichnis 9 Electrical efficiencies of power plants El. Efficiency in % 70 MCFC, 60 50 40 hotmodul e BuD GuD High temperature fuel cell PAFC, Low temperature fuel cell 30 Gas engine 20 Gas turbine 10 Steam power plant 0 0, 1 1 10 100 1000 Power class in Megawatt Future technology Today s technology 10
Options for the use of high temperature heat (400 C) Process steam and/or heating heat Coldness in combination with absorption chiller engines Better utilization of the power plant Higher coldness to heat ratio Compact shelving The market for cooling is growing worldwide DaimlerChrysler Powersystems Off-Highway 18.05.2004 DaimlerChrysler Powersystems Off -Highway Pfad\Verzeichnis\Verzeichnis 11 Applications & Customers Hospitals Beverages Pharmaceutical Commercial Facilities Utilities Food Industry IT-Sector Telecommunication 12
Fuel Flexibility Natural Gas Sewage Gas Biogas Landfill Gas hotmodule Methanol Coal Mine Gas Coal Gas Residual Gas 13 Die Zellspannung profitiert vom CO 2 -Gehalt des Gases Biogas Test 900 895 890 885 880 875 870 865 860 855 850 Brenngas: CH4/CO 2 60% 40% CO2 50% 40 35 30 25 20 15 10 5 0 Time U Avg. CO2 at Anode DaimlerChrysler Powersystems Off-Highway 18.05.2004 Pfad\Verzeichnis\Verzeichnis 14
Variation der Gaszusammensetzung CO 2, CO, H 2 CH 4, H 2 O Katalysator CH 4 + 2 H 2 O ---> CO 2 + 4 H 2 Reformierreaktion O 2, CO 2 H 2 O, CO 2 Anode H 2 + CO -- 3 ---> H 2 O + CO 2 + 2 e - Matrix mit Elektrolyt CO -- 3 Kathode CO 2 + 1/2 O 2 + 2 e - ---> CO -- 3 Anodenreaktion 2 e - Kathodenreaktion Abluft DaimlerChrysler Powersystems Off-Highway 18.05.2004 DaimlerChrysler Powersystems Off -Highway Pfad\Verzeichnis\Verzeichnis 15 Renewable Energies Agriculture waste Biogas Plants Sewage Plants Residual Gas Coal-Mine Gas Landfill Gas 16
Field trial in Germany Essen Magdeburg Berlin Grünstadt RHÖN-KLINIKUM AG Bad Neustadt Bad Berka Karlsruhe Munich MTU CFC Solutions DaimlerChrysler Powersystems Off-Highway 18.05.2004 Pfad\Verzeichnis\Verzeichnis 17 Gesamtanlage HM300-3 AG Rhön-Klinikum Krankenhaus Energieversorgung In Bad Neustadt/Saale betrieben von der Rhön-Klinikum AG DaimlerChrysler Powersystems Off-Highway 18.05.2004 Pfad\Verzeichnis\Verzeichnis 18
Emission Measured HotModule Piston Engine Pilot Plant Cogeneration Unit CO mg/m 3 14 30 480 NOx mg/m 3 < 2 10 750 Total Carbon (incl. CO) mg/m 3 5 310 450 Organic Carbon mg/m 3 < 1 19 Clinic Magdeburg - Germany 20
System Part Load Efficiency Electrical Efficiency over Electrical Load HotModule Fuel Cell Gasmotor G V12 45 Electrical Efficiency in % 40 35 30 25 20 110 130 150 170 190 210 230 Electrical Power in kw The HotModule System confirms an excellent part load efficiency 21 EnBW - Michelin - Karlsruhe Foto: EnBW 22
Efficiency of the power plant DaimlerChrysler Powersystems Off-Highway 18.05.2004 Pfad\Verzeichnis\Verzeichnis 23 Telekom - München Foto :DeTeImmobileien München 24
Operation and Monitoring Entirely remote controlled test operation 25 Pfalzwerke - Kreiskrankenhaus Grünstadt Foto: Pfalzwerke 26
Ongoing Field Test Installations Grünstadt Hospital RWE / Germany Otto-von-Guericke Clinic / Germany Telekom / Germany IZAR / Spain Rhön Klinikum AG Mercedes Benz / USA LADWP / USA Michelin / Germany Rhön Klinikum / Germany 27 Load Profile of the Bad Berka-unit Load Profile Diagram from 10/01/03 to 03/05/04 300,00 250,00 Power [kw] and Stackvoltage [V] 200,00 150,00 100,00 Power-DC [M30253] Power-AC [M10146] 50,00 0,00 01.10.03 16.10.03 31.10.03 16.11.03 01.12.03 17.12.03 01.01.04 16.01.04 01.02.04 16.02.04 03.03.04 18.03.04 Time 28
MTU Field Test Units Cartagena 11.000h Bielefeld 16,000 h Essen 15.700 h Grünstadt 7.200 h Karlsruhe 11.300h Magdeburg 12.200 h Bad Berka 4.800 h Bad Neustadt 20.500 h München 13.200 h 29 Field Test Experience Electrical Plant Efficiency: 47 % Demonstrated Operating Time of one Field Test Unit > 19.000 hrs. Total Accumulated Operating Time > 80.000 hrs. Variable Power to Heat Ratio Over 90 % Total Efficiency Multistage Heat Utilization Trigeneration Demonstrated: Power, Heat, Cooling DC Application Demonstrated Foto: RWE Essen 30
31