COMPOSITE PARTICLES AND METHOD OF PRODUCING SAME, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Nov 11, 2022
filing date -
Nov 11, 2022
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Abstract
Composite particles contain electrode active material particles, a conductive material, and a binder. The electrode active material particles have a number-based median diameter of primary particles of not less than 0.2 μm and not more than 4.0 μm. The composite particles have a D50 of not less than 20 μm and not more than 250 μm and a D90/D10 of not less than 2 and not more than 30 in a volume-based particle diameter distribution. The proportion constituted by carbon atoms at surfaces of the composite particles is not less than 20 mass % and not more than 70 mass %.
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