Ionically conductive compounds and related uses
First Claim
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1. An article for use in an electrochemical cell, comprising:
- a compound of formula (I);
Li2xSx+w+5zMyP2z
(I)wherein;
M is selected from the group consisting of Lanthanides, Group 3, Group 4, Group 5, Group 6, Group 7, Group 8, Group 9, Group 12, Group 13, and Group 14 atoms, and combinations thereof;
x is 8-16,y is 1,w is 0.1-15, andz is 0.1-3.
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Abstract
Articles, compositions, and methods involving ionically conductive compounds are provided. The disclosed ionically conductive compounds may be incorporated into an electrochemical cell (e.g., a lithium-sulfur electrochemical cell, a lithium-ion electrochemical cell, an intercalated-cathode based electrochemical cell) as, for example, a protective layer for an electrode, a solid electrolyte layer, and/or any other appropriate component within the electrochemical cell. In certain embodiments, electrode structures and/or methods for making electrode structures including a layer comprising an ionically conductive compound described herein are provided.
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Citations
19 Claims
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1. An article for use in an electrochemical cell, comprising:
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a compound of formula (I);
Li2xSx+w+5zMyP2z
(I)wherein; M is selected from the group consisting of Lanthanides, Group 3, Group 4, Group 5, Group 6, Group 7, Group 8, Group 9, Group 12, Group 13, and Group 14 atoms, and combinations thereof; x is 8-16, y is 1, w is 0.1-15, and z is 0.1-3. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A compound of formula (I):
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Li2xSx+w+5zMyP2z
(I)wherein; M is selected from the group consisting of Lanthanides, Group 3, Group 4, Group 5, Group 6, Group 7, Group 8, Group 9, Group 12, Group 13, and Group 14 atoms, and combinations thereof, x is 8-16, y is 1, w is 0.1-15, and z is 0.1-3.
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19. A method for forming a plurality of particles, comprising:
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heating a mixture of precursors comprising atoms of the elements Li, S, P, and M to a temperature ranging from 400°
C. to 900°
C. for a duration ranging from 3 hours to 24 hours;cooling the mixture; and forming a plurality of particles comprising a compound of formula (I);
Li2xSx+w+5zMyP2z
(I),wherein; M is selected from the group consisting of Lanthanides, Group 3, Group 4, Group 5, Group 6, Group 7, Group 8, Group 9, Group 12, Group 13, and Group 14 atoms, and combinations thereof; x is 8-16, y is 1, w is 0.1-15, and z is 0.1-3.
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Specification