Solid-state lithium battery with electrolyte
First Claim
Patent Images
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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Abstract
A solid-state lithium battery cell comprises a support, and a plurality of electrodes on the support, the electrodes comprising a cathode and an anode. An electrolyte lying between the cathode and anode comprises an oxygen-rich electrolyte layer. In another version, a multilayer electrolyte comprises an oxygen-rich electrolyte layer and an oxygen-deficient electrolyte layer.
269 Citations
20 Claims
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1. A solid-state lithium battery cell comprising:
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(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. - View Dependent Claims (2, 3, 4, 17, 18, 19, 20)
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5. A solid-state lithium battery cell comprising:
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(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 sandwiched between oxygen-deficient electrolyte layers, the oxygen-rich electrolyte layer having an atomic concentration of oxygen of at least about 55%, where 100% is the combined atomic concentrations of lithium, phosphorous and oxygen, and the oxygen-rich electrolyte layer having an atomic concentration of oxygen that is higher than the atomic concentration of oxygen of the oxygen-deficient electrolyte layers. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A solid-state lithium battery cell comprising:
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(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 sandwiched between oxygen-deficient electrolyte layers, the oxygen-rich electrolyte layer having an atomic concentration of oxygen that is at least about 3% higher than the atomic concentration of oxygen in the oxygen-deficient electrolyte layers, and the oxygen-deficient electrolyte layers comprising an atomic concentration of oxygen that is less than about 48%, where 100% is the combined atomic concentrations of lithium, phosphorous and oxygen. - View Dependent Claims (13, 14, 15, 16)
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Specification