Basf Aktiengesellschaft

Stephen Nicholas Heavens

Kerstin Schierle-Arndt

Ivor Wynn Jones

Günther Huber

John Stuart Blackburn

Guenther Huber

A method is provide for preparing potassium metal which comprises embedding a polycrystalline alkali metal &#x3b2;&#x2033;-AlOmolding in an oxidic powder containing potassium and aluminum of a molar KO:AlOratio within the range of 1:(x&#x2212;1) to 1:(x+1), the weight of oxidic powder amounting to at least two times the weight of the molding; heating the embedded molding at a rate of at least 100&#xb0; C. per hour to at least 1100&#xb0; C.; and further heating to at least 1300&#xb0; C., this temperature being maintained for at least one hour prior to cooling.

[object Object]

A solid polycrystalline potassium ion conductor having a &#x3b2;&#x2033;-AlOstructure, its production, and the preparation of potassium metal using this potassium ion conductor.

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Ludlow, United Kingdom

Stephen Nicholas Heavens