| 摘要 |
An internal state monitoring device for a fuel cell having multiple separators and an electrolyte sandwiched therebetween includes multiple electrodes for electrical conduction with multiple regions on a surface of a first separator at prescribed contact points in the fuel cell, a collecting portion for collecting currents flowing through the electrodes to give them the same electric potential, sensors for measuring the currents flowing through the electrodes, a load device connected to the fuel cell via the collecting portion and a second separator for variably controlling a load applied between the collecting portion and the second separator, and an extracting-monitoring device for extracting alternating current components, contained in each of the measured electrode currents, generated in response to a change in the load and monitoring the distribution of a state quantity of resistance polarization in the fuel cell based on each of the extracted alternating current components. |
