Siemens Aktiengesellschaft

Emitec Gesellschaft Fuer Emissionstechnologie Mbh

Forschungszentrum Julich Gmbh

Manfred Poppinger

Rolf Brück

Joachim Grosse

Meike Reizig

Andreas Gubner

Dieter Froning

Mass transfer and/or heat transport processes in a fuel-cell stack are controlled by first modeling a selected region of the stack with at least two fluid components separated from one another by solid material. Each fluid component of the selected region is then transformed into a respective auxiliary volume in which all of the fluid components and solid material in the region are assembled additionally and whose outer cell corresponds to that of the region. Then each auxiliary volume is divided into a lattice with individual lattice elements that are linked by references so that linked or coupled lattices result. Finally the exchange between the fluids in the fuel-cell stack is implemented via the references of the respective component lattices.

Method for the modeling of material and/or heat exchange process in a device and device for carrying out said method

A fuel cell system is used for on-board power supply in a motor vehicle that is powered by an internal combustion engine. The blower fan that is used to cool the radiator of the engine also cools the fuel cell module and/or it provides the air feed for operating the fuel cell module.

Cooling system for a fuel cell module as part of an on-board power supply

Growing community of inventors

Uttenreuth, Germany

Manfred Poppinger