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Solid-state lithium battery with electrolyte

  • US 10,008,739 B2
  • Filed: 02/23/2015
  • Issued: 06/26/2018
  • Est. Priority Date: 02/23/2015
  • Status: Active Grant
First Claim
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1. A solid-state lithium battery cell comprising:

  • (a) a support;

    (b) a plurality of electrodes on the support; and

    (c) a multilayer electrolyte between a pair of the electrodes, the multilayer electrolyte (i) composed of lithium-phosphorous-oxygen-nitrogen, and (ii) comprising an oxygen-rich electrolyte layer abutting at least one oxygen-deficient electrolyte layer, the oxygen-rich electrolyte layer having an atomic concentration of oxygen of at least about 55%, where 100% is the total of the atomic concentrations of lithium, phosphorous and oxygen, and the oxygen-rich electrolyte layer comprising an atomic concentration of oxygen that is higher than the atomic concentration of oxygen in the oxygen-deficient electrolyte layer.

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