ACTIVE MATERIAL, POSITIVE ELECTRODE MIXTURE USING SAME, AND SOLID-STATE BATTERY
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United States of America Patent
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May 12, 2022
app pub date -
Feb 26, 2020
filing date -
Feb 26, 2020
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Abstract
An active material is provided for use in a solid-state battery. The active material exhibits at least one peak in the range of 0.145 to 0.185 nm and at least one peak in the range of 0.280 to 0.310 nm in a radial distribution function obtained through measurement of an X-ray absorption fine structure thereof. In the particle size distribution, by volume, of the active material obtained through a particle size distribution measurement by laser diffraction scattering method, the ratio of the absolute value of the difference between the mode diameter of the active material and the D10 of the active material (referred to as the “mode diameter” and the “D10” respectively) to the mode diameter in percentage terms, (|mode diameter−D10|/mode diameter)×100, satisfies 0%<((|mode diameter−D10|/mode diameter)×100)≤58.0%.
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