1. 11720069 Chao Qu

2. http://www.fueleconomy.gov/feg/animation/swfs/fuelcellframe.html Properties: 1.deliver high-power density 2.offer the advantages of low weight and volume 3.Operate at low temperature 4.Fast startup 5.Efficiency 60% transportation, 35% stationary

3. Cost: in 2002 $100000/kw in 2009 $61 000/kw now $35 000/kw Makers: SANYO Electric Co., Ltd TOSHIBA Fuel Cell Power System Co., Ltd Ebara Plant Panasonic

4. Properties: 1.Cathode reaction faster In alkaline electrolyte, leads to high performance 2.Sensitive to CO2 in fuel and air 3.Efficiency 85% cogeneration 37%-42% generating electricity

5. Cost: $ 4000-4500/kw Makers: UTC Power Fuji Electric

6. Properties: 1.Solid electrolyte 2.Operate at high temperature 3.Long startup time 4.Fuel flexibility 5.Can use a variety of catalysts 6.50% -80% efficiency

7. Cost: ？ relatively low Makers: Siemens Westinghouse Power Co., Ltd Mitsubishi Heavy Industries, Ltd. TOTO Rolls-Royce Fuel Cell System

8. ElectrolyteEfficiencyCostApplication PEFCPolymer membrane 35%-60%35000/kw Transporta tion, special vehicles and so on PAFCMolten phosphoric acid(H3PO4) 37%-85%4000- 4500/kw Distributed generation SOFCsolid oxide material 50%-80% ？ Electric utility, Distributed generation