Chao Qu
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
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
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
Cost: $ /kw Makers: UTC Power Fuji Electric
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
Cost: ? relatively low Makers: Siemens Westinghouse Power Co., Ltd Mitsubishi Heavy Industries, Ltd. TOTO Rolls-Royce Fuel Cell System
ElectrolyteEfficiencyCostApplication PEFCPolymer membrane 35%-60%35000/kw Transporta tion, special vehicles and so on PAFCMolten phosphoric acid(H3PO4) 37%-85% /kw Distributed generation SOFCsolid oxide material 50%-80% ? Electric utility, Distributed generation