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US 2026/0279901 A1Published application
Solid electrolyte, method for producing solid electrolyte, and energy storage device
AssigneeGS Yuasa International Ltd.
InventorAkihiro FUKUSHIMA
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Abstract
One aspect of the present invention is a solid electrolyte containing lithium, phosphorus, sulfur, halogen, and tin as constituent elements and having a crystal structure.
Claims13
A solid electrolyte having a crystal structure, comprising:
- lithium, phosphorus, sulfur, halogen, and tin as constituent elements,
- wherein the crystal structure has a diffraction peak in a range of 20.2°±0.50 in an X-ray diffraction diagram using a CuKα ray, and a number of the diffraction peak in the range of 20.2°±0.5° is only one.
A method for producing a solid electrolyte having a crystal structure, comprising:
- preparing a composition containing lithium, phosphorus, sulfur, halogen, and tin;
- reacting the composition to obtain an intermediate;
- and
- heating the intermediate,
- wherein the crystal structure has a diffraction peak in a range of 20.2°±0.50 in an X-ray diffraction diagram using a CuKα ray, and a number of the diffraction peak in the range of 20.2°±0.5° is only one.
2 more elements
A solid electrolyte having a crystal structure, comprising:
- lithium, phosphorus, sulfur, halogen, and tin as constituent elements,
- wherein the molar ratio of the content of the tin to the content of the phosphorus is 0.01 or more and 0.2 or less.
Dependencies are inferred from the claim text.