Abstract: A system for reversibly storing hydrogen includes a storage tank with an internal volume with a thermally conducting composite material situated within the storage tank and having a three-dimensional and interconnected framework of a conductive metal within the internal volume of the storage tank.

Abstract: According to one aspect of the present invention, a battery system is provided. In one embodiment, the battery system includes a metal oxygen battery including a first electrode and a second electrode, the second electrode including a metal material (M); and an oxygen containment unit in communication with and external to the metal oxygen battery, the oxygen containment unit including an oxygen storage material. In another embodiment, the metal oxygen battery and the oxygen containment unit are in a closed-loop with respect to each other.

Abstract: According to one aspect of the present invention, a hybrid hydrogen storage system is provided. In one embodiment, the hybrid hydrogen storage system includes: a first hydrogen storage material present at a first volume percent (%) having a first gravimetric capacity and a first volumetric capacity; and a second hydrogen storage material forming an unreacted mixture with the first hydrogen storage material and present at a second volume % being 100 volume % minus the first volume %, the second storage material having a second gravimetric capacity and a second volumetric capacity, the first gravimetric capacity at the first volume % being higher or lower than the second gravimetric capacity at the second volume %, and the first volumetric capacity at the first volume % being the other of higher or lower than the second volumetric capacity at the second volume %.

Abstract: A battery system includes a metal oxygen battery. The metal oxygen battery includes a first electrode and a second electrode. The second electrode includes a metal material (M). The metal oxygen battery is in communication with an oxygen storage material. In certain instances, the oxygen storage material is contained within an oxygen containment unit. The metal oxygen battery and the oxygen containment unit may be in a closed-loop with respect to each other. The battery system further includes a conduit for providing fluid communication from one of the metal oxygen battery and the oxygen containment unit to the other of the metal oxygen battery and the oxygen containment unit.

Abstract: In one embodiment, a hydrogen storage system includes a core of hydrogen sorbent material and a shell of crystalline metal hydride material enclosing at least a portion of the core of hydrogen sorbent material. In another embodiment, the hydrogen storage system further includes an intermediate layer of amorphous metal hydride material, at least a portion of which being positioned between the core of hydrogen sorbent material and the shell of crystalline metal hydride material.

Abstract: According to one aspect of the present invention, there is provided a catalyst assembly. In one embodiment, the catalyst assembly includes a two-dimension (2-D) extensive catalyst including one or more precious catalytic metals and having a catalyst crystal plane; and a substrate supporting the 2-D extensive catalyst, the substrate including one or more non-precious catalytic metals and having a substrate crystal plane in substantial alignment with the catalyst crystal plane.

Abstract: A battery system includes a metal oxygen battery. The metal oxygen battery includes a first electrode, an oxygen storage material, and a selective transport member separating the oxygen storage material and the first electrode.

Abstract: In one aspect of the present invention, a battery system is disclosed. In one embodiment, the battery system includes a metal oxygen battery (MOB) having a first electrode and second electrode. The second electrode includes a metal material. The battery system also includes an oxygen storage material disposed within the metal oxygen battery. In another embodiment, the oxygen storage material is on oxygen communication with the first electrode.