| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a direct methanol fuel cell system, and its control method, capable of making the temperature of a power generating part up to a preset level in a short time, and prolonging the time in which power supply to electronic equipment is stably carried out. <P>SOLUTION: The direct methanol fuel cell system is provided with a power generating part 1, including a fuel electrode, an oxidant electrode, and an electrolyte film arranged between the fuel electrode and the oxidant electrode, a fuel vessel 2 in which methanol aqueous solution supplied to the fuel electrode is stored, a supplement vessel 6 storing methanol to be supplemented to the fuel vessel 2, and a density/voltage control mechanism for lowering the density of the methanol aqueous solution in the fuel vessel 2, as well as, voltage of the power generating part 1, in accordance with the decrease in the temperature difference between the preset level and rising temperature of the power generating part 1. <P>COPYRIGHT: (C)2007,JPO&INPIT |
