  We consider the shape optimization of flow fields for electrochemical cells.
Our goal is to improve the cell by modifying the shape of its flow field. To do
so, we introduce simulation models of the flow field with and without the
porous transport layer. The latter is less detailed and used for shape
optimization, whereas the former is used to validate our obtained results. We
propose three objective functions based on the uniformity of the flow and
residence time as well as the wall shear stress. After considering the
respective optimization problems separately, we use techniques from
multi-criteria optimization to treat the conflicting objective functions
systematically. Our results highlight the potential of our approach for
generating novel flow field designs for electrochemical cells.
