ELECTRODE PLATE, METHOD FOR PREPARING SAME, SECONDARY BATTERY, BATTERY MODULE, AND BATTERY PACK
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Apr 12, 2024
filing date -
Jan 4, 2022
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Abstract
In various embodiments, provided are an electrode plate, a method for preparing the same, a secondary battery, a battery module, and a battery pack comprising a main body region and an isolation region, where the isolation region is arranged on both sides of the main body region along a width direction of the electrode plate, the isolation region is provided with an insulating strip coating, and the main body region is provided with an active material layer. An outer edge of the active material layer is confined to a junction between the main body region and the isolation region, and a contact angle between a slurry forming the active material layer and the insulating strip coating is more than 90°, thereby improving the problem of diffusion of the active material slurry along the width direction of the electrode plate, and reducing a defective rate of the electrode plate.
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