LITHIUM SECONDARY BATTERY

The present invention relates to a lithium secondary battery, and the lithium secondary battery comprises: a positive electrode comprising a positive active material represented by Chemical Formula 1, a plate-like conductive agent, and a spherical conductive agent; a negative electrode comprising a...

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Bibliographic Details
Main Authors PARK, Dohyung, CHA, Jungwook, LEE, Kunwoo, WON, Jungyeon, KIM, Dongjin, KIM, Eun Jung
Format Patent
LanguageEnglish
French
German
Published 01.07.2020
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The present invention relates to a lithium secondary battery, and the lithium secondary battery comprises: a positive electrode comprising a positive active material represented by Chemical Formula 1, a plate-like conductive agent, and a spherical conductive agent; a negative electrode comprising a negative active material; and an electrolyte, wherein the positive electrode has a W value defined by Equation 1 of 1.0 to 1.5.        [Chemical Formula 1]     LiNiCoMeOIn Chemical Formula 1, 0.9 ≤ a ≤ 1.1, 0.5 ≤ x ≤ 0.90, 0.05 ≤ y ≤ 0.5, 0.01 ≤ z ≤ 0.5, x + y + z =1, andMe is Mn or Al.
Bibliography:Application Number: EP20170875549