Robert Boschgmbh

Stefan Schoenbauer

Helerson Kemmer

Ulrich Eisele

Ulrich Berner

Jan Hendrik Ohs

Christoph Haluschka

Stefan Grosse

Frank Baumann

Kai Weeber

Imke Heeren

Mark Hellmann

Sebastian Maass

Ulrich Sauter

Laura Bauer

Thomas Loibl

Juergen Oberle

Achim Eisemann

Alexander Eifert

Nils Kaiser

Alexander Bluthard

Andre Neidhardt

Arne Stephen Fischer

Laszlo Hagymasi

Birgit Thoben

Jan Goehler

Friedrich Kneule

Rainer Seitz

Felix Wald

Rolf Lernbecher

Andreas Schulze

Raphaelle Satet

The invention relates to a distributor structure (), particularly a bipolar plate for a stack structure () of a fuel cell or of an electrolyser. The distributor structure () comprises a channel structure () that interacts with at least one polymer membrane (). The distributor structure () is designed as a plastic part () that has electrically conductive properties.

Distributor structure for a fuel cell or electrolyser

The invention relates to a fuel cell () comprising at least one membrane/electrode unit () comprising a first electrode () and a second electrode (), which electrodes are separated from one another by a membrane (), and comprising at least one bipolar plate () which comprises a first distribution region () for distributing a fuel to the first electrode () and a second distribution region () for distributing an oxidation agent to the second electrode (). A distribution unit () is provided in at least one of the distribution regions () and has at least one flat woven fabric (), wherein the flat woven fabric () is deformed in such a way that raised portions () of the woven fabric () touch one of the electrodes ().

Fuel cell

The invention relates to a gas distributor plate () for gas distribution and flow guidance at least in electrolysers or fuel cells, comprising a structure arranged on a contact surface of the gas distributor plate (), for gas distribution and flow guidance, the structure for gas distribution and flow guidance being formed as a deformable structure ().

Gas distributor plate for gas distribution and flow guidance in electrolysers and fuel cells

The invention relates to a bipolar plate () for a fuel cell, comprising a first distributing region () for distributing a fuel to a first electrode () and a second distributing region () for distributing an oxidant to a second electrode (). At least one woven fabric () is provided in at least one of the distributing regions (). The invention further relates to a fuel cell, comprising at least one membrane electrode assembly () having a first electrode () and a second electrode (), which are separated from each other by a membrane (), and comprising at least one bipolar plate () according to the invention.

Bipolar plate for a fuel cell and fuel cell

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

The invention relates to a distribution structure () for providing at least one reaction gas, in particular a gas mixture containing oxygen (O2), for a fuel cell () or an electrolyser, having a first structure element () and a second structure element (), wherein the first structure element () and the second structure element () are designed and arranged with respect to one another such that: a distribution area () for the reaction gas is formed between the first structure element () and the second structure element (); a plurality of feed channels () branch off from the distribution area () and are orientated substantially perpendicular to the distribution area (); and a plurality of discharge channels () are formed below the second structure element () and are orientated parallel to the distribution area ().

Distribution structure for providing at least one reaction gas

The invention relates to a method for producing a flow plate () for a fuel cell, in particular a PEM fuel cell, and/or an electrolyzer, wherein the flow plate () is provided with at least one flow element (), which is at least partially made of metal fibers (). According to the invention, in at least one method step, the metal fibers () are aligned by means of at least one alignment unit ().

Method for producing a flow plate for a fuel cell and/or an electrolyzer

The invention relates to a fuel cell () comprising at least one membrane electrode assembly () and at least one flow field plate () comprising a separator plate (). The flow field plate () has at least one structural part () which comprises a base body () in which recesses () are introduced, and vanes () which extend from sides () of the recesses () and extend to the at the least one membrane electrode assembly ().

An energy system having a fuel cell arrangement, wherein the fuel cell arrangement has at least one fuel cell and the fuel cell arrangement has at least one first electrical contact and at least one second electrical contact for tapping off electrically generated energy of the fuel cell arrangement. An electrical component for warming up the fuel cell arrangement is electrically connectable between the first electrical contact and the second electrical contact. At least some of the electrical energy flow which is necessary to release the thermal energy can be fed back to the energy system by the electrical component.

Energy system having a fuel cell arrangement

An energy storage and power generation system () with at least one fuel cell (), in which an oxidant and a fuel which can be stored can be converted electrochemically and in the process an electrical current can be generated, and with at least one electrolysis cell (), which is used for generating the fuel which can be stored for the fuel cell (), wherein the fuel cell () and the electrolysis cell () share a common electrode (), and the fuel cell () and the electrolysis cell () each use a respective further electrode () only for themselves. For this purpose, the invention provides that the fuel can be stored outside the fuel cell () and outside the electrolysis cell () in a store ().

Energy storage and power generation system

Growing community of inventors

Ditzingen, Germany

Stefan Schoenbauer