Abstract: Article comprising at least one leather and/or artificial leather component that is coated with an ink or coating comprising graphene sheets.

Abstract: Embodiments of the present invention relate to microphones diaphragms. In one embodiment, a sensor comprising a diaphragm comprised of a composition having a plurality of individual graphene sheets. An emitter formed in a manner to transmit lights towards a surface of the diaphragm. A collector that captures at least a portion of light that is reflected by the diaphragm. A converter is in communication with the detector that converts a signal that is generated by the sensor to a digital signal for processing. The graphene-based composition includes graphene sheets.

Abstract: Wearable electronic devices that comprise an article of apparel that comprises at least one electronic or electrical component.

Abstract: Embodiments of the present invention relate to graphene-based capacitive sensors. In one embodiment, a touch sensor comprises a non-porous insulating substrate having a first side and a second side. A first conductive material is at least partially in communication with the first side. A second conductive material is at least partially in communication with the first side. A third conductive material is at least partially in communication with the second side. The first conductive material and the second conductive material are in communication. The first conductive material forms a linearization pattern. The first conductive material includes a metal. The second conductive material and/or third conductive material comprise graphene sheets.

Abstract: Thermal management device systems comprising a thermal management device component and a computing device component, wherein the thermal management device component comprises compositions that comprise graphene sheets.

Abstract: Electrical switches or sensors that comprise (a) a first electrical pole, (b) a layer of a variable resistance material in electrical contact with the first electrical pole, and (c) a second electrical pole that is in electrical contact with the variable resistance material and is not in electrical contact with the first pole, wherein the variable resistance material comprises at least one polymer having a glass transition temperature of no higher than about 10° C.

Abstract: Embodiments of the present invention relate to radio transponders and radio transponder antenna inlays. In an embodiment, a radio transponder comprises an integrated circuit having a memory unit. A printed antenna inlay is in electrical communication with the integrated circuit. The antenna inlay comprises a non-metallic conductive compound. The antenna inlay is non-ferromagnetic. The antenna inlay is radiolucent at wavelengths of at least 0.01 nm. The antenna inlay has a thickness of about 0.8 ?m to about 150 ?m.

Abstract: Embodiments of the present invention relate to graphene-based microphone diaphragms. In one embodiment, a acoustic wave sensor comprises a diaphragm comprised of a graphene-based composition, wherein the diaphragm has a first side at least partially covered with a reflective material. An emitter fiber is positioned proximate to the diaphragm, wherein the emitter fiber transmits light towards the first side. A collector fiber is positioned proximate to the diaphragm, wherein the collector fiber captures at least a portion of light reflected by the first side, wherein the collector fiber is in communication with a detector. A converter is in communication with the detector and converts a signal received by the detector to a digital signal for processing. The portion of light that is captured as a result of diaphragm distortion is different than the portion of light captured in the absence of diaphragm distortion. The graphene-based composition includes graphene sheets.

Abstract: Compositions comprising graphene sheets, at least one binder, and a carrier system, wherein about 1 to about 50 weight percent of the carrier system comprises at least one cyclic amide, cyclic imide, and/or lactone. The compositions may be used as coatings and inks.

Abstract: Embodiments of the present invention relate to an electrically conductive composition and an article. The electrically conductive composition comprises a polymer, graphene sheets, and carbon black, wherein the ratio of the graphene sheets to carbon black is about 1:2 to about 1:20. An article comprising the electrically conductive composition.

Abstract: Embodiments of the present invention relate to footwear articles and a method for fabricating a footwear article. The footwear article comprises an upper and a sole that is comprised of a graphene-containing polymer composition and having one or more layers affixed to the upper. The method for fabricating the footwear article comprises forming a sole on an upper. The sole comprises a graphene-containing polymer composition and one or more layers affixed to the upper.

Abstract: Compositions comprising carbonaceous filler, polymeric binder, and at least one organic compound having at least one charged functional group.

Abstract: Processes for preparing or handling graphene sheets wherein low bulk density graphene sheets are compressed. The graphene sheets may be produced by a thermal treatment such as exfoliation of precursor or reduction or annealing of previously existing graphene sheets and conveyed in a closed system to a compression apparatus.

Abstract: Multilayered security devices comprising a patterned substrate over which a graphene-based coating has been applied.

Abstract: A method of printing articles having variable conductivities, including those having conductivity gradients.

Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.

Abstract: Compositions comprising graphene sheets. at least one reinforcing agent, and at least one rubber. The compositions may further comprise carbon black. The compositions may be formed into articles including tire components.

Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.

Abstract: A method of making a composition, comprising: (1) oxidizing graphite to graphite oxide using at least one sulfur-containing reagent, (2) exfoliating the graphite oxide to form graphene sheets, and (3) blending the graphene sheets with elemental sulfur and/or at least one organosulfur compound, wherein the graphene sheets comprise at least about 1 weight percent sulfur. The composition may be made into an electrode that may be used in batteries, including lithium sulfur batteries.

Abstract: Compositions comprising graphene sheets, at least one polymeric binder, and at least one polyalkyleneimine. The compositions may further comprise a liquid carrier. They may be in the form of a coating.