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US 4,399,203 AGranted
Sulfide and selenide compositions
AssigneeThe Standard Oil Company
InventorPhillip D. Bennett
Life of this patent
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Abstract
Novel sulfide, polysulfide, selenide and polyselenide compositions are provided which are useful as ionic conducting solid electrolytes. Electrical energy storage devices utilizing such electrolytes are also provided.
Claims10
A composition of the formula:
- [AlYZ.sub.2 ].sub.n [A.sub.a Cs.sub.b ].sub.n (I)
- wherein:
- Y is selected from the group consisting of S and Se;
- Z is selected from the group consisting of Cl, Br and I or combinations thereof;
- A is selected from the group consisting of Li, Na or K or combinations thereof;
- n is a positive integer;
- a is a number greater than 0.1,
- b is a number greater than 0.01 and the sum of a+b equals 1.
5 more elements
An ionic conducting solid electrolyte comprising a composition of the formula:
- [AlYZ.sub.2 ].sub.n [A.sub.a Cs.sub.b ].sub.n (I)
- wherein:
- Y is selected from the group consisting of S and Se;
- Z is selected from the group consisting of Cl, Br and I or combinations thereof;
- A is selected from the group consisting of Li, Na or K or combinations thereof;
- n is a positive integer or a combination thereof;
- a is a number greater than 0.1,
- b is a number greater than 0.01 and the sum of a+b equals 1.
5 more elements
An electrical energy storage device comprising:
- (a) a housing;
- (b) at least two electrodes, including a positive electrode and a negative electrode, positioned within said housing;
- and,
- (c) an ionic conducting solid electrolyte disposed between and electrically contacting said electrodes;
- and wherein said ionic conducting solid electrolytes comprises a composition of the formula:
- [AlYZ.sub.2 ].sub.n [A.sub.a Cs.sub.b ] (I)
- wherein
- Y is selected from the group consisting of S and Se;
- Z is selected from the group consisting of Cl, Br and I or combinations thereof;
- A is selected from the group consisting of Li, Na or K or combinations thereof;
- n is a positive integer;
- a is a number greater than 0.1,
- b is a number greater than 0.01 and the sum of a+b equals 1.
10 more elements
Dependencies are inferred from the claim text.