The degradation of fuel cells cannot be avoided, but it can be slowed down to meet lifetime requirements. To achieve this, the operating and control strategy of the fuel cell system must be calibrated to be sensitive to states that accelerate degradation to avoid unnecessary stressors. Since fuel cell degradation is strongly interconnected and non-linear, exploring its cause-and-effect relations is not straight forward but AVL has developed AVL Fuel Cell Diagnostic to help.

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