Solid electrolyte material for solid state batteries, solid electrolyte and solid state battery

US12040446B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12040446-B2
Application numberUS-201816977492-A
CountryUS
Kind codeB2
Filing dateMar 26, 2018
Priority dateMar 26, 2018
Publication dateJul 16, 2024
Grant dateJul 16, 2024

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A solid electrolyte material for a solid state battery (10) having the following chemical formula XM2(PS4)3, where P is phosphorus, S is sulfur and X is lithium (Li), sodium (Na), silver (Ag) or magnesium (Mg0.5) and M is titanium (Ti), zirconium (Zr), germanium (Ge), silicon (Si), tin (Sn) or a mixture of X and aluminium (X+Al) and exhibiting peaks in positions of 2θ=13,64° (±1°), 16,48° (±1°) and 22,18° (±1°) in a X-ray diffraction measurement using CuKα line, where IA is the intensity in arbitrary units of the peak at 13,64° (±1°) and IB is the intensity in arbitrary units of a peak at 23,34° (±1°), (IA−IB)/(IA+IB)>0.The disclosure is also related to a solid electrolyte comprising the solid electrolyte material and a solid state battery comprising the solid electrolyte.

First claim

Opening claim text (preview).

The invention claimed is: 1. A solid electrolyte material for a solid state battery having the following chemical formula XM 2 (PS 4 ) 3 , where P is phosphorus, S is sulfur and X is lithium (Li), sodium (Na), silver (Ag) or magnesium (Mg 0,5 ) and M is a mixture of X and aluminium (X+Al) and exhibiting peaks in positions of 2θ=13,64° (±1°), 16,48° (±1° and 22,18° (±1° in a X-ray diffraction measurement using CuKα line, where I A is the intensity in arbitrary units of the peak at 13,64° (±1° and TB is the intensity in arbitrary units of a peak at 23,34° (±1°, (I A −I B )/(I A +I B )>0. 2. The solid electrolyte material according to claim 1 , exhibiting peaks in position of 2θ=13,64° (±1°), 13,76° (±1°), 14,72° (±1°), 15,36° (±1°), 15,90° (±1°), 16,48° (±1°), 17,42° (±1°), 17,56° (±1°), 18,58° (±1°, and 22,18° (±1° in a X-ray diffraction measurement using CuKα line. 3. The solid electrolyte material according to claim 1 , wherein X is lithium. 4. The solid electrolyte material according to claim 3 , wherein M is a mixture of lithium and aluminium (Li+Al). 5. The solid electrolyte material according to claim 3 , wherein the diffusion coefficient of lithium in the solid electrolyte at −20° C. is greater than or equal to 3,0.10 −12 m 2 /s. 6. A solid electrolyte comprising a solid electrolyte material according to claim 1 . 7. A solid state battery comprising a solid electrolyte according to claim 6 .

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Classifications

  • inorganic · CPC title

  • Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

  • Electric properties · CPC title

  • by peak-intensities or a ratio thereof only · CPC title

  • Sulfur, selenium, or tellurium compounds of phosphorus · CPC title

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What does patent US12040446B2 cover?
A solid electrolyte material for a solid state battery (10) having the following chemical formula XM2(PS4)3, where P is phosphorus, S is sulfur and X is lithium (Li), sodium (Na), silver (Ag) or magnesium (Mg0.5) and M is titanium (Ti), zirconium (Zr), germanium (Ge), silicon (Si), tin (Sn) or a mixture of X and aluminium (X+Al) and exhibiting peaks in positions of 2θ=13,64° (±1°), 16,48° (±1°)…
Who is the assignee on this patent?
Toyota Motor Europe
What technology area does this patent fall under?
Primary CPC classification H01M10/052. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jul 16 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).