Electrode assembly and battery with sectioned active layers
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United States of America Patent
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Sep 21, 2021
Grant Date -
Oct 17, 2019
app pub date -
Dec 3, 2018
filing date -
Apr 12, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The present application provides an electrode assembly including a first electrode sheet including a first current collector and a first active substance layer arranged on the surface of the first current collector; the first electrode sheet includes a first section and a second section; both surfaces of the first section is applied with the first active substance layer while one surface of the second section is applied with the first active substance layer; the second section is electrically connected to the first section, and the first section is closer to a starting end of the first electrode sheet than the second section is; wherein the second section includes a first bending section, and the first bending section is a region where the first electrode sheet is bent for the first time. Thereby, the risk of lithium decomposition of the battery is reduced, and the life is prolonged.
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