Nonaqueous electrolyte secondary battery, method of manufacturing nonaqueous electrolyte secondary battery, and method of using nonaqueous electrolyte secondary battery
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United States of America
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Mar 25, 2025
Grant Date -
Jan 6, 2022
app pub date -
Oct 25, 2019
filing date -
Oct 25, 2019
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Abstract
A nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte, the positive electrode containing, as a positive active material, a lithium transition metal composite oxide having an α-NaFeO2 type crystal structure, a molar ratio of Li to Me, Li/Me of more than 1, Me representing transition metal elements including Ni and Mn or including Ni, Mn, and Co, and a molar ratio of Mn to Me, Mn/Me of 0.40 or more and 0.65 or less, and the nonaqueous electrolyte containing, as an electrolyte salt, LiPF6 and a lithium imide salt.
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