Abstract: A composite anode active material includes matrix particles including lithium titanate; and at least one nanoparticle dispersed in the matrix particles. The at least one nanoparticle includes at least one selected from the group a metal capable of forming alloys with lithium and a non-transition metal oxide.

Abstract: A secondary particle and a lithium battery including the same are provided wherein the secondary particle includes a plurality of primary particles and each primary particle contains n polycyclic nano-sheets disposed upon one another. The polycyclic nano-sheets include hexagonal rings of six carbon atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The secondary particle is used as a negative active material in the lithium battery, and the secondary particle contains pores, thereby allowing for effective intercalating and deintercalating of the lithium ions into the secondary particle to impart improved capacity and cycle lifespan.

Abstract: A negative electrode for a lithium secondary battery that includes, as a negative active material, a lithium titanate (Li4Ti5O12) compound containing 0.004 parts by weight or less of phosphorous (P) and 0.007 parts by weight or less of potassium (K) based on 100 parts by weight of lithium titanate, a binder, and a conductive agent, and a lithium secondary battery including the negative electrode.

Abstract: A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2?=18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2?=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material.

Abstract: A negative electrode active material, a method of preparing the negative electrode active material and a lithium secondary battery including the negative electrode active material are disclosed. A negative electrode active material includes a lithium titanate, wherein a portion of lithium of the lithium titanate is substituted by at least one selected from the group consisting of Sr, Ba, a mixture thereof and an alloy thereof, and thus a lithium secondary battery including the negative electrode active material may improve high-rate discharge characteristics.

Abstract: A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 ?m, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide.

Abstract: A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.

Abstract: A lithium titanium oxide for an anode active material of a lithium rechargeable battery, wherein a X-ray diffraction (XRD) spectrum has a first peak of Li4Ti5O12 and a second peak, and A50-55/A78-80 is in a predetermined range, as a result of XRD analysis, where A78-80 is an Area of the first peak and A50-55 is an Area of the second peak in XRD.

Abstract: A negative electrode active material including nanometal particles and super-conductive nanoparticles and a lithium battery including the same.

Abstract: A composite anode active material includes matrix particles including lithium titanate; and at least one nanoparticle dispersed in the matrix particles. The at least one nanoparticle includes at least one selected from the group a metal capable of forming alloys with lithium and a non-transition metal oxide.

Abstract: A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2?-18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2?=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material.

Abstract: A negative electrode active material, a method of preparing the negative electrode active material and a lithium secondary battery including the negative electrode active material are disclosed. A negative electrode active material includes a lithium titanate, wherein a portion of lithium of the lithium titanate is substituted by at least one selected from the group consisting of Sr, Ba, a mixture thereof and an alloy thereof, and thus a lithium secondary battery including the negative electrode active material may improve high-rate discharge characteristics.

Abstract: A negative electrode for a lithium secondary battery that includes, as a negative active material, a lithium titanate (Li4Ti5O12) compound containing 0.004 parts by weight or less of phosphorous (P) and 0.007 parts by weight or less of potassium (K) based on 100 parts by weight of lithium titanate, a binder, and a conductive agent, and a lithium secondary battery including the negative electrode.

Abstract: A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.

Abstract: A lithium titanate aggregate and a method of preparing the same. In the lithium titanate aggregate, a single primary particle has a median diameter (D50) of about 8×10?2 ?m to about 3.1×10?1 ?m, and has a spherical shape. In addition, an amount of primary particles having a diameter of about 55 nm to about 85 nm is about 55% to about 75% of all primary particles.

Abstract: A secondary particle and a lithium battery including the same are provided wherein the secondary particle includes a plurality of primary particles and each primary particle contains n polycyclic nano-sheets disposed upon one another. The polycyclic nano-sheets include hexagonal rings of six carbon atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The secondary particle is used as a negative active material in the lithium battery, and the secondary particle contains pores, thereby allowing for effective intercalating and deintercalating of the lithium ions into the secondary particle to impart improved capacity and cycle lifespan.

Abstract: A negative electrode active material including nanometal particles and super-conductive nanoparticles and a lithium battery including the same.

Abstract: A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 ?m, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide.

Abstract: A lithium titanium oxide for an anode active material of a lithium rechargeable battery, wherein a X-ray diffraction (XRD) spectrum has a first peak of Li4Ti5O12 and a second peak, and A50-55/A78-80 is in a predetermined range, as a result of XRD analysis, where A78-80 is an Area of the first peak and A50-55 is an Area of the second peak in XRD.

Abstract: A plasma display panel for improving luminous efficiency including first and second substrates facing each other; barrier ribs partitioning a space between the first and second substrates to define discharge cells; address electrodes on the first substrate and extending along a first direction to correspond to the discharge cells; first and second electrodes extending along a second direction crossing the first direction on the second substrate to define a discharge gap at centers of the discharge cells; a dielectric layer covering the first and second electrodes; and a protective layer covering the dielectric layer. The dielectric layer includes a first section in the discharge gap and a portion adjacent to the discharge gap in the first direction and having a smaller dielectric constant, and a second section at either side of the first dielectric constant section in the first direction and having a larger dielectric constant.