How the lifetime of phosphoric acid fuel cell is affected by the electrolyte
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Phosphoric acid fuel cells (PAFCs) operate at 150–220 °C, using a 100% phosphoric acid electrolyte retained in a silicon carbide matrix. Generally, platinum electrocatalysts are used in both anode and cathode. However it has been difficult to reduce the cost of this technology. It is estimated that it currently costs US$3000 kW e-1 using the United Technologies Corp (UTC) PureCell 400 system (Greene et al., 2011). In 2013 UTC sold its PAFC business to ClearEdge Power (CEP) who continue to manufacture the PureCell 400 system. Fuji electronic are the only other company who develop this technology today.
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