A positive active material for a rechargeable lithium battery is provided. The positive active material includes a core having a lithiated compound and at least two surface-treatment layers on the core, and each of the two surface-treatment layers includes at least one coating element. Alternatively, the positive active material includes at least one surface-treatment layer on the core, wherein the surface treatment at least comprises at least two coating element-included oxides.

 
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< Electrochemical analysis of coenzyme Q10 and reduced coenzyme Q10

< Electrolyte copper foil having carrier foil, manufacturing method thereof, and layered plate using the electrolyte copper foil having carrier foil

> Integrated reformer and shift reactor

> Binding acceleration techniques for the detection of analytes
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