Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2007-08-07
2007-08-07
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S231300, C429S231500, C429S231950, C252S182100, C427S126300, C427S126400, C427S126600
Reexamination Certificate
active
10240536
ABSTRACT:
Disclosed is a positive active material for a lithium secondary battery and a preparation method of the same that can improve cycle-life characteristics and storage characteristics at a high temperature by improving structural safety characteristics and electrochemical characteristics, by forming an overlayer comprising an oxide glass phase on the surface of the positive active material, and a lithium secondary battery comprising the positive active material.
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Bae Joon-Sung
Kim Jin-On
Kwak Mi-Seon
Kwon Yong-Hoon
Park Hong-Kyu
LG Chem Ltd.
Weiner Laura
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