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Cathode Materials Having High Energy Density and Lithium Secondary Battery Containing the Same
Cathode Materials Having High Energy Density and Lithium Secondary Battery Containing the Same
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机译:具有高能量密度的正极材料和包含该正极材料的锂二次电池
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摘要
Disclosed is a cathode material comprising a mixture of an oxide powder (a) defined herein and an oxide powder (b) selected from the group consisting of an oxide powder (b1) defined herein and an oxide powder (b2) defined herein and a combination thereof wherein a mix ratio of the two oxide powders (oxide powder (a): oxide powder (b)) is 50:50 to 90:10. The cathode material uses a combination of an oxide powder (a) and 50% or less of an oxide powder (b) which can exert high capacity, high cycle stability, superior storage stability and high-temperature stability, thus advantageously exhibiting high energy density and realizing high capacity batteries.
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