Max-planck-gesellschaft Zur F&#xf6;rderung Der Wissenschaften E. V.

Canadian Patents & Development Ltd.

Varta Batterie Aktiengesellschaft

Michael F Bell

Werner Weppner

Michael Sayer

Ulrich Von Alpen

Patrick S Nicholson

Klaus-Dieter Kreuer

Albrecht Rabenau

Kimihiro Yamashita

Holger Diem

Hans Hofer

A method of converting a feed solid polycrystalline of .beta. alumina into a hydronium conductor requires the preselection of an appropriate feed ceramic preferably with a chemical formula;

Method of converting a precursor ceramic solid into a solid ceramic

Mixed crystals, a method for their preparation and their use

Solid proton conductors are described, which are based on zeolites having oton-containing cations and having six-member and larger rings as secondary structural groups of the zeolitic structure, and in whose crystal lattice passages a phase is present which promotes proton transport. Their use as separator material and electrolyte for electrochemical cells is also described.

Solid proton conductors and their use

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Kingston, Canada

Michael F Bell