About 23 results
https://drivepatents.com/patents/991379 · 1 May 2013
The present invention relates to a bipolar plate for a fuel cell and a method of manufacturing the same, and relates to an invention wherein a surface-modification layer is formed through the use of non-thermal plasma processing such that it is possible to...
https://drivepatents.com/patents/998807 · 29 Aug 2012
A fuel cell stack comprising a unit cell group, wherein the unit cell group includes: a plurality of unit cells (C1,C2,C3) connected in series; and at least one bypass resistor (BR1); wherein a respective said bypass resistor is connected in parallel with ...
https://drivepatents.com/patents/1003159 · 25 Apr 2012
In order to prevent electrical short-circuiting between separators (20, 30) on both sides of a power generating body (10), and to provide sealing protrusions (41, 42) for the anode and the cathode and a sealing protrusion (44) for a cooling medium in an ag...
https://drivepatents.com/patents/1004628 · 7 Mar 2012
In a fuel cell stack (12) constituting a fuel cell module (10), electrolyte/electrode assemblies (26) and separators (28) are alternately laminated. An electrolyte/electrode assembly (26) and a terminal separator (84) are arranged on one end of the fuel ce...
https://drivepatents.com/patents/1014190 · 6 Apr 2011
In a fuel cell stack, a cell stack is formed by laminating membrane electrode assemblies and a separator, and sandwiching them with a pair of end plates from the both sides in the laminating direction, and the cell stack is tightened and fastened in a lami...
https://drivepatents.com/patents/1015368 · 2 Mar 2011
Provided are a fuel cell making it possible to make contact pressures high between its electrode layers and its metallic layers and others, thereby improving the power of the cell, and a method for manufacturing the cell. A fuel cell of the invention compr...
https://drivepatents.com/patents/1079667 · 2 Mar 2005
Bipolar plate (100) has at least one first fluid channel, at least one first inflow opening and at least one first outflow opening for a first medium. The first inflow and outflow openings are arranged in non diametrically opposing edge regions of the bipo...
https://drivepatents.com/patents/1086217 · 23 Jun 2004
The device (10) has at least one fuel cell with at least one electrolyte and two electrodes and at least one separator unit with at least one fluid channel, so that at least one electrode can be subjected to a fluid via at least one second fluid channel. A...
https://drivepatents.com/patents/1091555 · 26 Nov 2003
The invention relates to the field of electrochemical cells and fuel cells, more specifically to membrane fuel cells such as polymer-electrolyte-membrane fuel cells (PEMFC) and DMFC and describes a continuous process for the manufacture of gas diffusion la...
https://drivepatents.com/patents/1092550 · 15 Oct 2003
The fuel cell arrangement has at least two fuel cell stacks (1,2) formed of polymer electrolyte membrane fuel cells at a distance apart and an arrangement that feeds air required for the delivery of oxygen through the stacks. The air is fed in a partially ...