Abstract: In an aspect, a positive active material for a rechargeable lithium battery including overlithiated layered oxide (OLO), a method of preparing the same, and a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same is disclosed.

Abstract: A positive active material includes a compound represented by Chemical Formula 1, and the positive electrode including a positive active material and a rechargeable lithium battery including the same are provided. Li(1.33?0.67x?z)Mn(0.67?0.33x?0.5y)Ni(x?0.5y+z)M(y)O2??[Chemical Formula 1] Definitions of Chemical Formula 1 are the same as in the detailed description.

Abstract: The present invention provides a positive active material including a lithium-containing compound represented by the following Chemical Formula 1 and a rechargeable lithium battery including the positive active material. LiFe1-x-zMxM?zPyO4.

Abstract: A positive active material, a method of preparing the same, and a lithium battery including the positive active material, the positive active material including a core, the core including an overlithiated lithium transition metal oxide; and a coating layer on the core, the coating layer including Li3VO4.

Abstract: Provided are a method of manufacturing a composite positive active material, a composite positive active material manufactured by the method, and a positive electrode and a lithium battery including the composite positive active material. The method may include acid-treating an overlithiated lithium transition metal oxide; and applying fluorine onto the acid-treated overlithiated lithium transition metal oxide using a fluorine compound.

Abstract: A positive active material includes a compound represented by Chemical Formula 1, and the positive electrode including a positive active material and a rechargeable lithium battery including the same are provided. Li(1.33?0.67x?z)Mn(0.67?0.33x?0.5y)Ni(x?0.5y+z)M(y)O2??[Chemical Formula 1] Definitions of Chemical Formula 1 are the same as in the detailed description.

Abstract: A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM?yMO3-(1-x)LiM?O2, [Formula 3] xLi2-yM?yMO3-x?LiM?O2-x?Li1+dM??2-dO4, x+x?+x?=1, 0<x<1, 0<x?<1, 0<x?<1, 0<y?1, and 0?d?0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.

Abstract: An active material for a lithium secondary battery, a method of manufacturing the same, an electrode including the active material, and a lithium secondary battery including the electrode, the active material including a lithium composite oxide represented by the following Formula 1: Li[LixNiaCobMnc]O2-yFy.

Abstract: A positive active material including a lithium composite oxide and a transition metal oxide including a transition metal having an oxidation number smaller than an oxidation number when the transition metal is in the most stable state hinders generation of oxygen occurring during charging and provides a lithium battery with high-temperature preservation characteristics and high stability.

Abstract: Disclosed are a positive electrode active material including a compound represented by Formula 1 and also including about 3% by mole to about 10% by mole of chromium, xLi2MnO3-(1?x)LiyNiAMnBCoCMDO2??[Formula 1] wherein 0<x?0.8, 0.7?y?1.3, 0<A?0.5, 0<B?0.8, 0<C?0.5, and 0?D?0.20, and M is one or more metals selected from the group includes titanium (Ti), vanadium (V), iron (Fe), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B); a positive electrode for a lithium secondary battery including the positive electrode active material; and a lithium secondary battery including the positive electrode.

Abstract: Provided are a method of manufacturing a composite positive active material, a composite positive active material manufactured by the method, and a positive electrode and a lithium battery including the composite positive active material. The method may include acid-treating an overlithiated lithium transition metal oxide; and applying fluorine onto the acid-treated overlithiated lithium transition metal oxide using a fluorine compound.

Abstract: A positive active material, a method of preparing the same, and a lithium battery including the positive active material, the positive active material including a core, the core including an overlithiated lithium transition metal oxide; and a coating layer on the core, the coating layer including Li3VO4.

Abstract: Provided is a positive electrode for a rechargeable lithium battery including a positive active material including a lithium phosphate compound particle and fiber-type carbon attached inside the lithium phosphate compound particle, a method of preparing the same, and a rechargeable lithium battery including the same.

Abstract: Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5±2°, 21±2°, 38±2°, and 64±2° 2-theta (2?) and represented by Formula 1: LixMoO3, where 1<x?3. Also disclosed is a method of preparing the positive active material.

Abstract: Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium ions, and a second layer allowing reversible intercalation and deintercalation of lithium ions. In one embodiment, the first layer further comprises a first sublayer and a second sublayer, in which the first sublayer is interposed between the current collector and the second sublayer. The first sublayer comprises a first active material represented by Formula 1 Li2Mo1-nR1nO3, and the second sublayer comprises a second active material represented by Formula 2 Li2Ni1-mR2mO2. In Formula 1, 0?n<1; and R1 is selected from the group consisting of manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), magnesium (Mg), nickel (Ni), and combinations of at least two of the foregoing elements.

Abstract: In an aspect, a positive active material for a rechargeable lithium battery including overlithiated layered oxide (OLO), a method of preparing the same, and a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same is disclosed.

Abstract: An active material for a lithium secondary battery, a method of manufacturing the same, an electrode including the active material, and a lithium secondary battery including the electrode, the active material including a lithium composite oxide represented by the following Formula 1: Li[LixNiaCobMnc]O2-yFy.

Abstract: A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM?yMO3-(1-x)LiM?O2, [Formula 3] xLi2-yM?yMO3-x?LiM?O2-x?Li1+dM??2-dO4, x+x?+x?=1, 0<x<1, 0<x?<1, 0<x?<1, 0<y?1, and 0?d?0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.

Abstract: The present invention provides a positive active material including a lithium-containing compound represented by the following Chemical Formula 1 and a rechargeable lithium battery including the positive active material.

Abstract: A positive active material for a rechargeable lithium battery including a compound represented by the following Chemical Formula 1: LixMyCozPO4??Chemical Formula 1 wherein 0?x?2, 0.98?y?1, 0<z?0.02, M is selected from the group consisting of V, Mn, Fe, Ni, and combinations thereof, and the compound exhibits a peak at a 2? value in a range of 40.0 degrees to 41.0 degrees in an X-ray diffraction pattern measured using CuK? radiation, is disclosed.