抄録
As a promising alternative power unit for low emission vehicles, a polymer electrolyte fuel cell was investigated. To evaluate the characteristics of start-up of a single fuel cell at the condition of the low temperature, -25℃, fuel cell performance was measured at the experiments of the low temperature starting. As the result, the power is generated at the low current density and dropped by the freezing of the produced water at the cathode side. The fuel cell maintained a uniform cell voltage without humidification at low temperature, such as 40℃, and low current density because of a balance of water generated at the cathode and water carried away by the exhaust gas.
