Ternary solid ionically conductive compositions and method of preparing the same

Claim 2

A solid ionically conductive ternary composition containing 20% to 95% (molar percentage) silver iodide, the remainder being MI and MAg(CN) 2 wherein M is potassium or rubidium or mixtures thereof and the molar proportion of MI to MAg(CN) 2 is between about 1.5 to 1 and about 7 to 1.

Claim 3

The composition as defined by claim 1 in which the molar proportion of MI to MAg(CN) 2 is 3 to 1.

Claim 4

The solid ionically conductive composition as defined by claim 1 having the approximate molar formula KAg(CN) 2 --3KI--13AgI.

Claim 5

The solid ionically conductive composition as defined by claim 1 having the approximate molar formula RbAg(CN) 2 --3RbI--11AgI.

Claim 6

The solid ionically conductive composition as defined by claim 1 having the approximate molar formula KAg(CN) 2 --3KI--5AgI.

Claim 7

The solid ionically conductive composition as defined by claim 1 having the approximate molar formula RbAg(CN) 2 --5.4RbI--9.6AgI.

Claim 8

A process for producing a solid ionically conductive ternary composition containing 20% to 95% (molar percentage) silver iodide, the remainder being MI and MAg(CN) 2 wheren M is potassium or rubidium or mixtures thereof and the molar proportion of MI to MAg(CN) 2 is between about 1.5 to 1 and about 7 to 1 which comprises preparing a finely divided mixture in the molar proportions of the composition of the selected iodide an cyanide; heating the mixture at a temperature below about 250°C. under inert atmosphere to produce at least a partially liquified mass; cooling the mass so produced to solidify the same, finely dividing the cooled mass; and then reheating the finely divided material to a temperature below about 215°C. under inert atmosphere until all reactions are complete.

Claim 9

A process for producing a solid ionically conductive ternary composition containing 20% to 95% (molar percentage) silver iodide, the remainder being MI and MAg(CN) 2 wheren M is potassium or rubidium or mixtures thereof and the molar proportion of MI to MAg(CN) 2 is between about 1.5 to 1 and about 7 to 1 which comprises preparing a finely divided mixture in the molar proportions of the composition of the selected iodide an cyanide; heating the mixture at a temperature below about 250°C. under inert atmosphere to produce at least a partially liquified mass; cooling the mass so produced to solidify the same, finely dividing the cooled mass; and then reheating the finely divided material to a temperature below about 215°C. under inert atmosphere until all reactions are complete.

Claim 10

The process defined by claim 7 including the steps of mixing the composition of the selected iodide and cyanide substantially in molar proportions of the composition MAg(CN) 2 --3MI--5AgI and, after cooling and finely dividing the solidified mass, adding additional silver iodide thereto prior to reheating.

Claim 11

The process defined by claim 7 including the steps of mixing the composition of the selected iodide and cyanide substantially in molar proportions of the composition KAg(CN) 2 --3KI--5AgI and, after cooling and finely dividing the solidified mass, adding additional silver iodide thereto prior to reheating.

Claim 12

The process defined by claim 7 including the steps of mixing the composition of the selected iodide and cyanide substantially in molar proportions of the composition RbAg(CN) 2 --5.4RbI--9.6AgI and after cooling and finely dividing the solidified mass, adding additional silver iodide thereto prior to reheating.