Lithium secondary battery
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United States of America Patent
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Jul 30, 2024
Grant Date -
Mar 14, 2024
app pub date -
Nov 20, 2023
filing date -
Jun 28, 2022
priority date (Note) -
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Abstract
A lithium secondary battery includes a cathode including a cathode current collector and a cathode active material layer formed on the cathode current collector, and an anode including an anode current collector and an anode active material layer formed on the anode current collector. The anode active material layer has an area larger than that of the cathode active material layer. The cathode active material layer includes a central portion and an outer portion surrounding the central portion, and the outer portion has a specific capacity less than that of the central portion.
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