Abstract: Formable mixture of flexible graphite sheet particles having embedded ceramic fibers extending into the particles from the particle surfaces to increase the permeability of the sheet to resin.

Abstract: A catalyst support material useful in a membrane electrode assembly is presented. The support catalyst material is elongate electrically anisotropic particles of flexible graphite, and the membrane electrode assembly includes a pair of electrodes, an ion exchange membrane having opposed surfaces positioned between the electrodes and a catalyst material on the inventive support, at least a portion of an opposed surface of the ion exchange membrane being adjacent the catalyst which is supported on the elongate electrically anisotropic particles of flexible graphite sheet.

Abstract: A graphite article useful in producing a membrane electrode assembly comprising a pair of electrodes and an ion exchange membrane positioned between the electrodes is presented. At least one of the electrodes is formed of a sheet of a compressed mass of expanded graphite particles having a plurality of transverse fluid channels passing through the sheet between first and second opposed surfaces of the sheet, one of opposed surfaces abutting the ion exchange membrane when used in a membrane electrode assembly. At least some of the fluid channels are interconnected to enable flow of fluid therebetween.

Abstract: A thermal insulating device, and process for making it, are presented. The inventive thermal insulating device is formed of a cylindrically shaped shell comprising multiple layers of a continuous spiral wound anisotropic flexible graphite sheet, the layers of spiral wound graphite sheet being separated by and bonded to a cured resin.

Abstract: A membrane electrode assembly is provided. More particularly, an assembly is provided which includes a pair of electrodes and an ion exchange membrane positioned between the electrodes, at least one of the electrodes being formed of a sheet of a compressed mass of expanded graphite particles having a plurality of transverse fluid channels passing through the sheet between first and second opposed surfaces of the sheet, one of opposed surfaces abutting the ion exchange membrane. The surfaces of at least some of the transverse fluid channels have glassy carbon thereon or therein.

Abstract: Fluid permeable graphite article in the form of a glassy carbon coated perforated flexible graphite sheet useful as an electrode and electrically conductive backing material in flow-through type electrical capacitors.

Abstract: Thermal insulating device for high temperature reactors and furnaces utilizing highly active chemical gases in a reducing atmosphere, in the form of a shell of resin bonded flexible graphite sheet.

Abstract: A method of manufacturing an electrode for an electrochemical fuel cell is disclosed, comprising providing a sheet of compressed mass of expanded graphite particles having a plurality of perforations defined by walls of the expanded graphite particles, and the perforations passing through the sheet between first and second opposed surfaces of the sheet; coating the sheet with a thermosettable organic resin, said coating step compring filling a portion of said perforations with the thermosettable organic resin; curing and baking the sheet, and reopening a portion of the filled perforations during the curing and baking step; activating the thermosettable organic resin to form a high surface area carbon on the walls of the perforations; and loading a catalyst onto the high surface area carbon.

Abstract: A method of fabricating a bonded flexible graphite laminate having an intermediate core of metal bonded on opposite sides to a flexible graphite sheet through a polymerized phenolic resin bonding agent under controlled conditions which avoids surface blistering and produces a chemical bond impervious to an organic solvent.

Abstract: A flexible graphite sheet exhibiting enhanced isotropy is provided. In addition, an apparatus, system and method for continuously producing a resin-impregnated flexible graphite sheet is also provided.

Abstract: A flexible graphite sheet exhibiting enhanced isotropy is provided. In addition, an apparatus, system and method for continuously producing a resin-impregnated flexible graphite sheet is also provided.

Abstract: Formable mixture of flexible graphite sheet particles having embedded ceramic fibers extending into the particles from the particle surfaces to increase the permeability of the sheet to resin.

Abstract: Flexible graphite sheet is made by compressing a mixture of relatively large particles of intercalated, exfoliated, expanded natural graphite with smaller particles of intercalated, exfoliated expanded, expanded particles of natural graphite. The resulting sheet of flexible graphite exhibits increased electrical conductivity through the thickness (“c” direction) of the sheet and improved sealability perpendicular to the “c” direction.

Abstract: Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable particles of natural graphite, the unexpanded particles being more finely sized than the expanded particles. The resulting sheet of flexible graphite exhibits improved fire retardant and sealability properties.

Abstract: Flexible graphite sheet having embedded ceramic fibers extending from its opposite planar surfaces into the sheet to provide permeability of the sheet to gases so that it is useful as an electrode in electrochemical fuel cells.

Abstract: Flexible graphite sheet having embedded ceramic fibers extending from its surfaces into the sheet to increase the permeability of the sheet to resin.

Abstract: An electrically conductive seal comprising first and second thin sheets of flexible graphite for bonding together individual electrical fuel cells into an assembly in the form of a stack in which the individual electrical fuel cells are electrically connected together by the electrically conductive seal.

Abstract: Flexible graphite sheet having embedded ceramic fibers extending from its surfaces into the sheet to increase the permeability of the sheet to resin which is grooved by mechanical deformation into a shape useful as a flow field plate in fuel cells, having a thin sheet of flexible graphite affixed to the grooved sheet to provide support therefor.

Abstract: Flexible graphite sheet is made by compressing a mixture of fine particle of intercalated, exfoliated, expanded natural graphite with fine particles of intercalated, unexpanded, expandable particles of natural graphite, the unexpanded particles being more finely sized than the expanded particles. The resulting sheet of flexible graphite exhibits improved fire retardant and sealability properties.

Abstract: Flexible graphite sheet having embedded ceramic fibers extending from its surfaces into the sheet to increase the permeability of the sheet to resin. The resin impregnated sheet is formed into a sealing gasket.