| 20100040913 | APPARATUS AND METHOD FOR DETERMINING DETERIORATION OF A FUEL CELL AND METHOD FOR PREVENTING DETERIORATION OF THE SAME - The present invention provides an apparatus and method for determining deterioration of a fuel cell, the method including measuring in real time fluoride ion concentration or pH value of outflow water from a fuel cell stack during operation in a fuel cell vehicle, calculating a fluoride emission rate from the measured value and, if the calculated fluoride emission rate is out of a predetermined normal range, determining deterioration of an electrolyte membrane of the fuel cell stack. | 02-18-2010 |
