ALL-SOLID SECONDARY BATTERY AND METHOD FOR PREPARING ALL-SOLID SECONDARY BATTERY
First Claim
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1. An all-solid secondary battery comprising:
- an anode layer including a first anode active material layer;
a cathode layer including a cathode active material layer;
a solid electrolyte layer between the anode layer and the cathode layer; and
an anode current collector on the anode layer and opposite the solid electrolyte layer,wherein a maximum roughness depth Rmax of a surface of the first anode active material layer is about 3.5 micrometers or less.
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Abstract
An all-solid secondary battery including: an anode layer including a first anode active material layer; a cathode layer including a cathode active material layer; a solid electrolyte layer between the anode layer and the cathode layer; and an anode current collector on the anode layer and opposite the solid electrolyte layer, wherein a maximum roughness depth Rmax of a surface of the first anode active material layer is about 3.5 micrometers or less.
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Citations
21 Claims
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1. An all-solid secondary battery comprising:
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an anode layer including a first anode active material layer; a cathode layer including a cathode active material layer; a solid electrolyte layer between the anode layer and the cathode layer; and an anode current collector on the anode layer and opposite the solid electrolyte layer, wherein a maximum roughness depth Rmax of a surface of the first anode active material layer is about 3.5 micrometers or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of preparing an all-solid secondary battery, the method comprising:
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preparing a first laminate by placing an anode active material layer on an anode current collector; and preparing an anode layer by pressing the first laminate. preparing a second laminate by placing a solid electrolyte layer on a cathode layer; preparing a third laminate by placing the anode layer on the second laminate such that the solid electrolyte layer and the anode active material layer contact each other; and pressing the third laminate to prepare the all-solid secondary battery. - View Dependent Claims (19, 20, 21)
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Specification