METHOD OF PRODUCING ELECTRODE
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Mar 26, 2024
filing date -
Jul 14, 2021
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Abstract
An active material powder that includes a foreign particle and an active material particle is prepared. A first electrode material that includes the active material powder is prepared. Dry classification treatment is performed on the first electrode material, and thereby the foreign particle included in the first electrode material is decreased. An active material layer that includes the first electrode material after the dry classification treatment is formed. The first electrode material is in powder form. The foreign particle includes a metal foreign object and is a coarse particle.
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