COMPOSITE METAL PRECURSOR, ELECTRODE ACTIVE MATERIAL PREPARED THEREFROM, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME

Disclosed are a composite metal precursor including a composite metal hydroxide represented by the chemical formula 1 and having the content of magnesium being in the composite metal hydroxide below 0.005 wt%, an electrode active material prepared therefrom, a positive electrode for a lithium second...

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Main Authors JUNG, SUK CHUL, OH, HEUNG MIN, BAE, MYUNG HUN, KANG, HAK SEOK, DO, YOUNG HOON
Format Patent
LanguageEnglish
Korean
Published 18.11.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:Disclosed are a composite metal precursor including a composite metal hydroxide represented by the chemical formula 1 and having the content of magnesium being in the composite metal hydroxide below 0.005 wt%, an electrode active material prepared therefrom, a positive electrode for a lithium secondary battery including the same, and a lithium secondary battery employing the same. [Chemical formula 1] (A1-x-yBxCy)(OH)2 where x, y, A, B and C are as specified in the specification. [Reference numerals] (AA) Capacity (mAh);(BB) Example 1;(CC) Example 2;(DD) Example 3;(EE) Number of cycles (number of times)
Bibliography:Application Number: KR20120048822