Solid Electrolyte, Fabrication Method Thereof and Thin Film Battery Comprising the Same
AssigneeGsnano Tech Co., Ltd.
InventorsSangcheol Nam, Hoyoung Park, Youngchang Lim, Kichang Lee, Geunwan An, Giback Park, Hosung Hwang, Jimin Kim
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Abstract
The present invention relates to a solid electrolyte enables high ion conductivity, excellent voltage stability, low electric conductivity, homogeneous composition, reduced self-discharge and excellent atmosphere stability, a method of producing the same and a thin film battery comprising the same. The solid electrolyte according to the present invention is represented by the following formula. Lix—B—Oy—Nz <Formula>
Claims13
A solid electrolyte represented by the following formula:
- Lix—B—Oy—Nz <Formula>
- wherein 1.1<x<3.6, 0.6<y<3.1, 0.5<z<1, and 2.2<x+y+z<7.7 are in the formula.
A method of producing a solid electrolyte, the method comprising:
- providing a target comprising Li, B, and O;
- depositing the target on a substrate under an atmosphere comprising nitrogen by using a vacuum deposition to form the solid electrolyte represented by the following formula:
- Lix—B—Oy—Nz <Formula>
- wherein 1.1<x<3.6, 0.6<y<3.1, 0.5<z<1, and 2.2<x+y+z<7.7 are in the formula.
A thin film battery comprising:
- a substrate;
- a cathode current collector that is positioned on the substrate;
- a cathode that is positioned on the cathode current collector;
- a solid electrolyte that is positioned on the cathode and is represented by the following formula;
- an anode current collector that is electrically insulated with the cathode current collector;
- and
- an anode that is positioned on the anode current collector:
- Lix—B—Oy—Nz <Formula>
- wherein 1.1<x<3.6, 0.6<y<3.1, 0.5<z<1, and 2.2<x+y+z<7.7 are in the formula.
Dependencies are inferred from the claim text.