LITHIUM SECONDARY BATTERY AND BATTERY SYSTEM
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United States of America Patent
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Jan 12, 2023
app pub date -
Dec 16, 2020
filing date -
Dec 16, 2020
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Abstract
A lithium secondary battery includes: a metal anode capable of being doped and dedoped with lithium ions; a cathode capable of being doped and dedoped with the lithium ions; and an electrolyte disposed between the metal anode and the cathode, in which the metal anode has a plate shape, and is composed of lithium and a base material in which the lithium is solid-dissolved, the metal anode in a discharged state has a layer of a substitutional solid solution, the substitutional solid solution has a structure in which a part of a crystal lattice of a metal constituting the base material is substituted with the lithium, and the layer is located on a surface of the metal anode opposite to a surface facing the cathode or inside the metal anode.
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