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Annealed garnet electrolyte separators

  • US 9,966,630 B2
  • Filed: 01/27/2016
  • Issued: 05/08/2018
  • Est. Priority Date: 01/27/2016
  • Status: Active Grant
First Claim
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1. An electrolyte separator,having top and bottom surfaces and a bulk therebetween, wherein the bulk has a thickness,wherein the top or bottom surface length or width is greater than the thickness of the bulk by a factor of ten (10) or more, and thethickness of the bulk is from about 10 nm to about 100 μ

  • m;

    wherein the bulk is characterized by the chemical formula LixLa3Zr2Ozy(Al2O3), wherein 5≤

    x≤

    7.5, 11≤

    z≤

    12.25, and 0≤

    y≤

    1;

    wherein both the top and bottom surfaces are characterized as having substantially no layer thereupon comprising a lithium carbonate, lithium hydroxide, lithium oxide, lithium peroxide, a hydrate thereof, an oxide thereof, or a combination thereof.

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