| 摘要 |
A method of calculating fuel concentration in a liquid fuel cell comprises the following steps. One or more fuels with different known concentrations are separately provided for the liquid fuel cell such that the liquid fuel cell performs electrochemical reactions and generates power with various conditions having different known concentrations of fuels. An electrical load is provided to electrically couple with the liquid fuel cell, and a voltage (V) of the electrical load is changed. A plurality of physical parameters are produced when the liquid fuel cell is operated with fuels having known concentrations are respectively measured and recorded, and three of the physical parameters are selected to construct a corresponding three-dimensional measuring space. An interpolation means is generated based on the measuring space to estimate an unknown fuel concentration. At least three instant physical parameters are measured when a fuel with an unknown concentration is provided for the liquid fuel cell to react and generate power, and the interpolation means is used to calculate a current fuel concentration in the liquid fuel cell.
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