Lithium ion secondary battery
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United States of America Patent
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Jul 17, 2018
Grant Date -
Oct 6, 2016
app pub date -
Mar 29, 2016
filing date -
Mar 31, 2015
priority date (Note) -
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Abstract
Provided is a lithium ion secondary battery including a power generation element, the power generation element including a positive electrode, a negative electrode, a separator, and an electrolyte solution, the positive electrode including a positive electrode current collector, and a positive electrode active material layer provided for the positive electrode current collector, the positive electrode active material layer including a positive electrode active material and binder, the negative electrode including a negative electrode current collector and a negative electrode active material layer provided for the negative electrode current collector, the negative electrode active material layer including a negative electrode active material and binder. The positive electrode has a volume resistivity in a range of 100 Ωcm or more and 700 Ωcm or less after at least one charging and discharging cycle.
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