CPC H01M 10/0562 (2013.01) [H01M 4/366 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0071 (2013.01); H01M 2300/0094 (2013.01)] | 20 Claims |
1. A multi-layer solid-state electrolyte, comprising:
a) a solid bulk electrolyte layer comprising carbon-doped lithium phosphorus oxynitride (LiPON) or WO3+x, wherein 0≤x≤1; and
b) a solid anode interface layer comprising LiPON or a metal oxide that forms a stable complex oxide with lithium oxide and conducts lithium ions when lithiated,
wherein the anode interface layer has a thickness less than that of the bulk electrolyte layer.
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