Forschungszentrum Karlsruhe Gmbh

Herbert Gleiter

Dominik Kramer

Jörg Weismüller

Olaf Wollersheim

In a method of reversably storing hydrogen in a hydrogen reservoir including a hydrogen storage material disposed between an electrode and a counter electrode, the hydrogen storage material is charged with hydrogen and the hydrogen is recuperated from the hydrogen storage material by applying between the electrodes a voltage differential to generate a current flow across the electrolyte which is adjustable for controlling the rate of release of the hydrogen from the hydrogen storage material.

Removable storage method for hydrogen and hydrogen reservoir

An apparatus having a percolating, sponge-like nanoparticulate layer, the apparatus being suitable for numerous technical applications. The object is accomplished by an apparatus having an electrode and a sponge-like, percolating, electrically-conductive layer comprising bound nanoparticles, the layer containing cavities and at least partially covering the electrode. The size of the nanoparticles is at most 15 times the size of a forming space-charge region in the layer; the cavities in the layer are at least partially filled with an electrolyte. The cavities of the layer are larger than the space-charge region in the electrolyte. The electrolyte also forms a film, which borders the surface of the layer located opposite the electrode. The apparatus also includes elements with which a voltage can be applied between the electrode and the electrolyte.

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Karlsruhe, Germany

Herbert Gleiter