Method for detecting abnormality in fuel cell

Details Method for detecting abnormality in fuel cell Method for detecting abnormality in fuel cell

G - Physics

01

R

G01R 31/36 (2006.01) H01M 8/04 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2394963

The invention detects quickly and with high precision abnormalities in fuel cells. In a method of detecting abnormalities in a fuel cell 1 comprising a plurality of unit cells that generate power by supplying hydrogen gas to an anode and supplying air to a cathode of each unit cell, the abnormality in the fuel cell 1 is detected based on the speed of the decrease in the cell voltages after stopping the fuel cell, i.e., after stopping the supply of the reacting gases to the fuel cell.

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