1. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 1 10,000-hours Endurance Test on 10kW-class Molten Carbonate Fuel Cell(MCFC), and Wide Range Capacity Controllable MCFC/GT Cycle with Pressure Swing Operation for Distributed Power. F. YOSHIBA, Y. Mugikura, Y. Izaki, T.Watanabe Central Research Institute of Electric Power Industry (CRIEPI), Japan

2. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 2 Schmatic design of MCFC system

3. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 3 Cemical Reaction of MCFC Natural gas Reforming: CH 4 +2H 2 O=>CO 2 +4H 2 Anode Reaction: H 2 +CO 3 2- =>CO 2 +H 2 O+2e - Cathode Reaction: CO 2 +1/2CO 2 =>CO 3 2- Total Reaction: CH 4 +2O 2 =>CO 2 +2H 2 O

4. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 4 Key Technology Li/K=>Li/Na Carbonate Electrolyte ( Low Internal Resistance, Low NiO dissolution) Press Stamping Separator

5. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 5 Progress of Life Performance

6. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 6 Pressure Swing System

7. F. YOSHIBA JAP Session 4b – Block Y – Question Z Barcelona 12-15 May 2003 7 Thermal Efficiency in Partial Load