ELECTRODE MATERIAL, METHOD FOR MANUFACTURING ELECTRODE MATERIAL, ELECTRODE, AND LITHIUM ION BATTERY
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United States of America Patent
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Mar 20, 2017
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Aug 31, 2016
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Abstract
An electrode material made of a carbonaceous-coated electrode active material having primary particles of an electrode active material and aggregates of the primary particles and a carbonaceous film that coats the primary particles of the electrode active material and the aggregates of the primary particles, in which an average particle diameter of the carbonaceous-coated electrode active material is 30 nm or more and 200 nm or less, a crystallite diameter obtained from a full width at half maximum of a (020) plane in an X-ray diffraction measurement is 30 nm or more and 100 nm or less, a specific surface area obtained using a BET method is 10 m2/g or more and 25 m2/g or less, and a carbon content is 0.5% by mass or more and 2.5% by mass or less.
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