Device and method for producing flow field plates
AssigneeSchuller Pressen GmbH
InventorsRolf Cisar, Alexander Seitz
Life of this patent
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Abstract
A method and a device for producing bipolar plates for fuel cells. A bipolar plate is formed by joining an anode plate to a cathode plate, wherein the anode plate and the cathode plate are formed by forming a substrate plate. In order to provide a cost-effective and automated method, it is proposed that a plate already provided with a reactive coating or catalyst coating, which is transported, automatically driven, via a transport device from the forming device to the joining device, is used as substrate plate.
Claims8
A method for producing bipolar plates for fuel cells, the method comprising:
- providing a substrate strip in a coil, the substrate strip being pre-coated with a reactive coating and/or catalyst coating;
- cutting a first substrate plate from the pre-coated substrate strip;
- cutting a second substrate plate from the pre-coated substrate strip;
- forming or stamping structures into the first substrate plate to form an anode plate;
- forming or stamping structures into the second substrate plate to form a cathode plate;
- and
- joining the anode plate to the cathode plate to form a bipolar plate.
A method for producing bipolar plates for fuel cells,
- wherein a bipolar plate is formed by joining an anode plate to a cathode plate, and, before the joining, an anode plate and a cathode plate are formed from a substrate plate by forming or stamping structures,
- wherein a plate provided with a reactive coating and/or catalyst coating is used as substrate plate, and
- wherein the method is carried out using a device comprising a conveying device, a forming device and a joining device, wherein the conveying device transports substrate plates, automatically driven, in a transport direction first to the forming device and then to the joining device,
- wherein the forming device stamps structures into the substrate plates by means of at least one stamping die or at least one forming die and thereby forms a substrate plate into an anode plate or a cathode plate, and
- wherein the joining device joins an anode plate and a cathode plate to form a bipolar plate, and
- wherein the conveying device has a transport beam with at least one workpiece gripper for gripping substrate plates and/or anode plates and/or cathode plates, wherein the transport beam extends from the forming device to the joining device, and a conveying drive device is connected to the transport beam in order to move the workpiece gripper and/or the transport beam, automatically driven, in or against the transport direction, and to move the workpiece gripper and/or the transport beam, automatically driven, in a lifting direction and/or in a clamping direction.
Dependencies are inferred from the claim text.