POSITIVE ACTIVE MATERIAL COMPOSITE PARTICLES, POSITIVE ELECTRODE SHEET, METHOD FOR PRODUCING THE POSITIVE ACTIVE MATERIAL COMPOSITE PARTICLES, AND METHOD FOR PRODUCING THE POSITIVE ELECTRODE SHEET

A positive active material composite particle (1) of the present disclosure includes a positive active material particle (2), a conductive particle (3) existing on a surface of the positive active material particle (2) and having a smaller diameter than the positive active material particle (2), and...

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Bibliographic Details
Main Authors UEZONO, Tomoyuki, OKUBO, Sokichi, MIYAJIMA, Momoka
Format Patent
LanguageEnglish
French
German
Published 03.08.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A positive active material composite particle (1) of the present disclosure includes a positive active material particle (2), a conductive particle (3) existing on a surface of the positive active material particle (2) and having a smaller diameter than the positive active material particle (2), and a binder resin (4) bonding the surface of the positive active material particle (2) and the conductive particle (3) on the surface of the positive active material particle (2). A positive electrode sheet (10) of the present disclosure includes a positive active material mixture layer (9) formed on a current collecting member (8) by a dry process using the positive active material composite particle (1).
Bibliography:Application Number: EP20210212477