SECONDARY BATTERY AND ELECTRONIC APPARATUS
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
May 30, 2024
filing date -
May 30, 2024
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Abstract
A secondary battery according to this application includes a negative electrode. The negative electrode includes a current collector and a negative electrode active material layer disposed on a surface of the current collector. The negative electrode active material layer includes a first negative electrode active material layer and a second negative electrode active material layer. The first negative electrode active material layer is disposed between the current collector and the second negative electrode active material layer. The first negative electrode active material layer includes a first negative electrode active material, and the first negative electrode active material has a maximum rebound rate Ra; and the second negative electrode active material layer includes a second negative electrode active material, and the second negative electrode active material has a maximum rebound rate Rb; where 5%≤Ra≤13%, 10%≤Rb≤17%, and Ra
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