Battery system for secondary battery comprising blended cathode material, and apparatus and method for managing the same
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United States of America Patent
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Jan 13, 2015
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app pub date -
Aug 16, 2013
filing date -
Apr 13, 2012
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Abstract
Disclosed is a battery system for a secondary battery including a blended cathode material, and an apparatus and method for managing a secondary battery having a blended cathode material. The blended cathode material includes at least a first cathode material and a second cathode material. The first and second cathode materials have different operating voltage ranges. When the secondary battery comes to an idle state or a no-load state, the battery system detects a voltage relaxation occurring by the transfer of operating ions between the first and second cathode materials.
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