Robert Boschgmbh

Mark Hellmann

Helerson Kemmer

Stefan Schoenbauer

Sergei Hahn

Andreas Haeffelin

Markus Brenk

Matthias Rink

A compressed gas storage unit () for mobile applications, in particular for storing hydrogen on board a vehicle, including at least one metal storage housing () which delimits a storage volume () that can be filled with compressed gas, as well as at least one temperature-and/or pressure-sensitive overload valve () arranged on the storage housing (). The storage housing () or the compressed gas storage unit () is surrounded by a heat protection shield () at least in regions, preferably releasing the at least one overload valve ().

Compressed gas storage unit, and vehicle comprising a compressed gas storage unit

The invention relates to a fuel cell system () having at least two fuel cell units () that are respectively designed to be operated independently from each other, wherein the fuel cell system () is designed to provide an amount of heat for activating a second fuel cell unit () of the at least two fuel cell units () from waste heat of a first fuel cell unit ().

Fuel cell system with two fuel cell units which can be operated independently from each other

The invention relates to a method for operating a fuel cell system (), having a fuel cell stack () with a plurality of fuel cells () each having at least one cathode portion (K) and at least one anode portion (A), a compressor () for conveying air into the cathode portions (K), a pressure-sustaining valve (), and a control device (), the at least one cathode portion (K) being arranged downstream of and in fluid communication with the compressor () and upstream of and in fluid communication with the pressure-sustaining valve (), the fuel cell system () having a high-pressure region (HDB) between the compressor () and the pressure-sustaining valve (). The invention further relates to a control device () and to a fuel cell system ().

Method for operating a fuel cell system, control device, and fuel cell system

The invention relates to a turbo compressor (), in particular for a fuel cell system (). The turbo compressor () has a first compressor unit () and a second compressor unit (). The first compressor unit () comprises a first compressor () arranged on a first shaft () drivable by a drive unit (). The second compressor unit () comprises a second compressor () and an exhaust gas turbine (). The second compressor () and the exhaust gas turbine () are arranged on a second shaft ().

Turbo compressor, in particular for a fuel cell system

The invention relates to a fuel cell () comprising an anode chamber () for supplying a fuel-containing gas mixture, a cathode chamber () for supplying an oxygen-containing gas mixture, and a membrane () for transporting fuel ions from the anode chamber () into the cathode chamber (). For this purpose, according to the invention, the membrane () has a graduated water permeability.

Fuel cell having a variable water permeability

A fuel cell assembly (), having at least one fuel cell () with a cathode () and an anode, the cathode () and the anode each having a fluid inlet () and a fluid outlet (), a cooling device () for cooling at least the cathode () of the fuel cell () by means of a coolant, and a device () for influencing the moisture content of at least one cathode fluid.

Growing community of inventors

Korntal, Germany

Mark Hellmann