POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE

PURPOSE: A positive electrode for a lithium secondary battery, and the lithium secondary battery including thereof are provided to secure the high output retention rate after several times of charging/discharging by using two different kinds of positive electrode active material. CONSTITUTION: A pos...

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Bibliographic Details
Main Authors KASAI MASAHIRO, KIM, SUNG HOON, YANG, CHUN MO
Format Patent
LanguageEnglish
Korean
Published 15.12.2010
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PURPOSE: A positive electrode for a lithium secondary battery, and the lithium secondary battery including thereof are provided to secure the high output retention rate after several times of charging/discharging by using two different kinds of positive electrode active material. CONSTITUTION: A positive electrode for a lithium secondary battery contains a first positive electrode active material marked with chemical formula 1: Li_aNi_bCo_cM_dO_2, and a second positive electrode active material marked with chemical formula 2: Li_eNi_fCo_gMn_hO_2. In the chemical formula 1, M is selected from the group consisting of Al, B, Cr, Fe, Mg, Sr, and V.
Bibliography:Application Number: KR20090050053