About 19 results
https://drivepatents.com/patents/938300 · 7 Sep 2016
Fuel cell reactant flow field plates (22, 32) are formed by extruding long sections (17, 25) of carbonaceous material, either with straight grooves (18, 28) formed by the extrusion die, or by end milling or arbor milling, and then cut to a proper size, inc...
https://drivepatents.com/patents/938300 · 7 Sep 2016
Fuel cell reactant flow field plates (22, 32) are formed by extruding long sections (17, 25) of carbonaceous material, either with straight grooves (18, 28) formed by the extrusion die, or by end milling or arbor milling, and then cut to a proper size, inc...
https://drivepatents.com/patents/976413 · 9 Apr 2014
Provided is a method for manufacturing a fuel cell separator that exhibits excellent mechanical characteristics, electrical conductivity, and dimensional precision. The method includes a step wherein at least one of each of the following are layered togeth...
https://drivepatents.com/patents/1067627 · 10 May 2006
The present invention discloses the forming material which can get the separator for fuel cell which can show a superior characteristic electrically. This forming material consists of the aggregation of granular composite which is formed by coating graphit...
https://drivepatents.com/patents/1068304 · 12 Apr 2006
The present invention provides a separator for fuel cell, which is a molded article including a resin and a conductive filler, wherein a contact angle of water on a surface of the separator for fuel cell is from 20 to 85°, and a process for producing the ...
https://drivepatents.com/patents/1072565 · 16 Nov 2005
The present invention provides a method of producing the separator for a fuel cell that is suitable for mass production and that by separating the compression-molding process of pressing a precursor powder comprising carbon powder and thermosetting resin w...
https://drivepatents.com/patents/1073958 · 21 Sep 2005
A method for manufacturing fuel cell bipolar plates involves heating and softening a nonwoven fabric including an electrically conductive powder and thermoplastic resin fibers of 0.1 to 20 µm diameter, and shaping the softened nonwoven fabric.
https://drivepatents.com/patents/1076034 · 13 Jul 2005
Fuel cell separators (18) sandwich an anode (13) and a cathode (14) which are installed along both sides of an electrolyte film (12) and diffusion layers (16, 16). The separators (18) are made of a mixture material containing a thermoplastic resin selected...
https://drivepatents.com/patents/1076856 · 15 Jun 2005
Fuel cell separators which are made by shaping a composition that includes a thermosetting resin, an artificial graphite with an average particle size of 20 to 70 µm and an internal mold release agent and which have a surface with an average roughness Ra ...
https://drivepatents.com/patents/1087414 · 6 May 2004
A separator plate (10) includes an electronic conductor portion (10a) containing conductive carbon and an insulating portion surrounding the conductor portion. The electronic conductor portion has flow channel (5a) of gas and cooling water on its respectiv...