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US 2025/0140909 A1Published application
Lithium-containing chloride, method for producing same, solid electrolyte and battery
AssigneesSumitomo Chemical Company, Limited, Kyoto University
InventorsAtsunori DOI, Hiroshi KAGEYAMA, Cedric TASSEL
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Abstract
A compound containing lithium, a tetravalent metal element M, chlorine and a dopant element X and having a reflection peak in each of 2θ angle ranges of 15° to 17°, 31° to 32.5°, 41° to 42.5°, 48.5° to 50° and 53° to 55° in an X-ray diffraction chart measured using a CuKα ray at 25° C., in which a half width of a reflection peak having a largest peak height in the 15° to 17° range is 0.35° to 3.00°.
Claims14
A compound comprising:
- lithium;
- a tetravalent metal element M;
- chlorine;
- and
- a dopant element X,
- wherein the compound has a reflection peak in each of 2θ angle ranges of 15° to 17°, 31° to 32.5°, 41° to 42.5°, 48.5° to 50° and 53° to 55° in an X-ray diffraction chart measured using a CuKα ray at 25° C., and a half width of a reflection peak having a largest peak height in the 15° to 17° range is 0.35° to 3.00°.
3 more elements
A compound comprising:
- lithium;
- a tetravalent metal element M;
- chlorine;
- and
- a dopant element X,
- wherein the compound has a sea-island structure including an island-like crystal phase and a sea-like amorphous phase that surrounds the crystal phase.
3 more elements
A compound that is represented by a composition formula:
- LiαZrβCl6-γX1γ,
- wherein 1.6≤α≤2.5, 0<β≤1.1, 0<γ<1, and the element X1 is at least one of Br and I.
A compound that is represented by a composition formula:
- LiαZrβX2εCl6-γX1γ,
- wherein 1.6≤α≤2.5, 0<β≤1.1, 0≤γ<1 and 0≤ε<1 are satisfied, the element X1 is at least one of Br and I, the element X2 is at least one metal element selected from the group consisting of divalent to tetravalent metal elements, and at least one of γ and ε is larger than 0.
Dependencies are inferred from the claim text.