Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite includes a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite, and depositing a thin metal coating on an outer surface of the porous metal foam substrate or an outer surface of the graphene using any of physical vapor deposition and chemical vapor deposition.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

Abstract: Embodiments of the present technology include metal foams and methods of manufacture. An example method of creating a porous metal foam includes mixing an amount of a metallic powder with an amount of sacrificial particles in a specified ratio to create a mixture; and applying pressure to the mixture that is sufficient to: compact the mixture; decompose or dissolve the sacrificial particles; and fuse the metallic powder into the porous metal foam.

Abstract: Embodiments of the present technology include thin coating methods for graphene and/or stanene metal composites. An example composite is created by depositing a material including any of graphene and stanene onto a porous metal foam substrate, compressing the porous metal foam the deposited material to form a graphene-metal composite, and depositing a thin metal coating on an outer surface of the porous metal foam substrate or an outer surface of deposited material using any of physical vapor deposition and chemical vapor deposition.

Abstract: Embodiments of the present technology include graphane-metal composites. An example graphane-metal composite includes a porous metal foam substrate, a graphane layer deposited to the porous metal foam substrate, a metal layer applied to the graphane layer, and another graphane layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphane-metal composite, and depositing a thin metal coating on an outer surface of the porous metal foam substrate or an outer surface of the graphane using any of physical vapor deposition and chemical vapor deposition.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite includes a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite, and depositing a thin metal coating on an outer surface of the porous metal foam substrate or an outer surface of the graphene using any of physical vapor deposition and chemical vapor deposition.

Abstract: Embodiments of the present technology include graphane-metal and graphene-metal composites. An example composite comprises a porous metal foam substrate, a graphane or graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphane or graphene layer, and another graphane or graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphane-metal or graphene-metal composite.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

Abstract: Embodiments of the present technology include metal foams and methods of manufacture. An example method of creating a porous metal foam includes mixing an amount of a metallic powder with an amount of sacrificial particles in a specified ratio to create a mixture; and applying pressure to the mixture that is sufficient to: compact the mixture; decompose or dissolve the sacrificial particles; and fuse the metallic powder into the porous metal foam.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

Abstract: Embodiments of the present technology include thin coating methods for graphene and/or stanene metal composites. An example composite is created by depositing a material including any of graphene and stanene onto a porous metal foam substrate, compressing the porous metal foam the deposited material to form a graphene-metal composite, and depositing a thin metal coating on an outer surface of the porous metal foam substrate or an outer surface of deposited material using any of physical vapor deposition and chemical vapor deposition.

Abstract: Embodiments of the present technology include graphane-metal composites. An example graphane-metal composite includes a porous metal foam substrate, a graphane layer deposited to the porous metal foam substrate, a metal layer applied to the graphane layer, and another graphane layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphane-metal composite, and depositing a thin metal coating on an outer surface of the porous metal foam substrate or an outer surface of the graphane using any of physical vapor deposition and chemical vapor deposition.

Abstract: Embodiments of the present technology include graphene-metal composites. An example graphene-metal composite comprises a porous metal foam substrate, a graphene layer deposited to the porous metal foam substrate, a metal layer applied to the graphene layer, and another graphene layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphene-metal composite.

Abstract: Embodiments of the present technology include graphane-metal composites. An example graphane-metal composite comprises a porous metal foam substrate, a graphane layer deposited to the porous metal foam substrate, a metal layer applied to the graphane layer, and another graphane layer deposited to the metal layer; the multilayered porous metal foam substrate being compressed to form a graphane-metal composite.