Abstract: Disclosed is a negative electrode for a lithium secondary battery which is prepared by mixing graphite powder with a binder. The negative electrode comprises graphite with an intensity ratio I(110)/I(002) of 0.5 or more wherein I(002) is an X-ray diffraction peak intensity I(002) at a (002) plane and I(110) is an X-ray diffraction peak intensity I(110) at a (110) plane The negative electrode for a lithium secondary battery has enhanced discharge capacity and cycle life characteristics.

Abstract: Disclosed is an electrode for a lithium secondary battery comprising a negative active material powder comprising a metal capable of alloying with lithium, a conductive material powder, and a binder, wherein the density thereof is between 1.2 g/cm3 and 4.0 g/cm3.

Abstract: Disclosed is an electrode material for a lithium secondary battery, a lithium secondary battery comprising the same, and a method for preparing the electrode material for a lithium secondary battery. The electrode material for a lithium secondary battery includes Si as a principal component, wherein the interplanar spacing of an Si (111) surface is between 3.15 ? and 3.20 ? using X-ray diffraction. This is achieve by first alloying Si with an element selected from the group consisting of Al, B, P, Ge, Sn, Pb, Ni, Co, Mn, Mo, Cr, V, Cu, Fe, Ni, W, Ti, Zn, alkali metals, alkaline earth metals, and combinations thereof, and then eluting X from the resulting alloy.

Abstract: Disclosed is an electrode for a lithium secondary battery comprising a negative active material powder comprising a metal capable of alloying with lithium, a conductive material powder, and a binder, wherein the density thereof is between 1.2 g/cm3 and 4.0 g/cm3.

Abstract: Disclosed is a negative active material for a rechargeable lithium battery including a composite of a graphite particle and at least one supermicroparticle, wherein the supermicroparticle has a diameter in the range of 1 nm to 100 nm, is produced using an evaporation method under a gas atmosphere, and includes elements alloyable with lithium.

Abstract: Disclosed are an electrode material, a method for its preparation, an electrode comprising the electrode material and a battery comprising the same. The electrode material comprises a binder comprising a water-soluble conductive polymer and a water-soluble polymer, and an active material.

Abstract: Disclosed is a negative active material for a rechargeable lithium battery comprising a Si phase, a SiM phase and at least one of a X phase and a SiX phase, wherein each of phases has a crystal grain size of 100 nm and 500 nm. The element M is at least one selected from the group consisting of Ni, Co, B, Cr, Cu, Fe, Mn, Ti, and Y, the element X is at least one selected from the group consisting of Ag, Cu, and Au. However, where M is Cu, X is not Cu.

Abstract: An electrode for a rechargeable lithium battery includes a current collector and an active material layer formed on the current collector. The active material layer includes an active material, a binder and a water-soluble polymer. The binder is a copolymer of (metha)acrylic acid and (metha)acrylic alkylester, and an amorphous polypropylene homopolymer or an amorphous copolymer of propylene and a C2 to C8 olefin.

Abstract: Disclosed is a negative active material for a lithium rechargeable battery which includes an aggregate of Si porous particles, wherein the porous particles are formed with a plurality of voids therein, wherein the voids have an average diameter of between 1 nm and 10 &mgr;m, and the aggregate has an average particle size of between 1 &mgr;m and 100 &mgr;m.

Abstract: Disclosed is a negative active material for a rechargeable lithium battery including ultra-fine particles comprising an element which is capable of alloying with lithium. The particles have a diameter of 1 nm to 200 nm, a Raman shift of 480 cm−1 to 520 cm−1 measured by Raman Spectroscopy, and a full width at half-maximum of 10 cm−1 to 30 cm−1.

Abstract: Disclosed is a negative active material for a rechargeable lithium battery exhibiting a high charge and discharge capacity, high charge and discharge efficiency, good discharge curve flatness, good charge and discharge cycle characteristics and high packing density. The negative active material includes a product made by agglomerating particles of a mixture of a carbonaceous material and an amorphous metal compound. The carbonaceous material is a material into or from which lithium is intercalated or deintercalated, and the amorphous metal compound is able to make an alloy with lithium.

Abstract: A negative electrode for a lithium rechargeable battery includes a carbon material in which lithium intercalation occurs, and at least one metallic oxide selected from yttrium oxide, cerium oxide, and titanium oxide.

Abstract: Disclosed is a carbonaceous material comprising a graphite particle having a 002 plane interval d002 of less than 0.337 nm as measured by the X-ray wide angle diffraction method; a complex particle disposed and distributed in the vicinity of the surface of the graphite particle, the complex particle comprising silicon and carbon and having a particle size smaller than that of the graphite particle; and an amorphous carbon layer with a plane interval d002 of more than 0.37 nm, the amorphous carbon layer being a polymer layer and being coated on the graphite particle and the complex particle, wherein the complex particle comprises a Si particulate, a conductive carbon material disposed and distributed in the vicinity of the surface of the Si particulate, and a rigid carbon material layer coated on the Si particulate and the conductive carbon material, the Si particulate being composed of a crystalline Si phase.

Abstract: The present invention provides anode material consisting of anode active material having a great charge-discharge capacity, a high charge-discharge efficiency, a flat discharge curve and good charge-discharge cycle properties, and provides the anode material for a lithium secondary battery consisting of being coated with an amorphous metal compound formed by a metal capable of alloying with lithium on at least one part of the surface of a carbon material capable of absorbing and releasing lithium ion.

Abstract: Disclosed is a negative electrode for a lithium secondary battery which is prepared by mixing graphite powder with a binder. The negative electrode comprises graphite with an intensity ratio I(110)/I(002) of 0.5 or more wherein I(002) is an X-ray diffraction peak intensity I(002) at a (002) plane and I(110) is an X-ray diffraction peak intensity I(110) at a (110) plane The negative electrode for a lithium secondary battery has enhanced discharge capacity and cycle life characteristics.

Abstract: An electrode for a rechargeable lithium battery includes a current collector and an active material layer formed on the current collector. The active material layer includes an active material, a binder and a water-soluble polymer. The binder is a copolymer of (metha)acrylic acid and (metha)acrylic alkylester, and an amorphous polypropylene homopolymer or an amorphous copolymer of propylene and a C2 to C8 olefin.

Abstract: The present invention provides anode material consisting of anode active material having a great charge-discharge capacity, a high charge-discharge efficiency, a flat discharge curve and good charge-discharge cycle properties, and provides the anode material for a lithium secondary battery consisting of being coated with an amorphous metal compound formed by a metal capable of alloying with lithium on at least one part of the surface of a carbon material capable of absorbing and releasing lithium ion.

Abstract: The present invention provides anode material consisting of anode active material having a great charge-discharge capacity, a high charge-discharge efficiency, a flat discharge curve and good charge-discharge cycle properties, and provides the anode material for a lithium secondary battery consisting of being coated with an amorphous metal compound formed by a metal capable of alloying with lithium on at least one part of the surface of a carbon material capable of absorbing and releasing lithium ion.

Abstract: Disclosed is a negative active material for a rechargeable lithium battery that includes graphite particles, silicon micro-particles attached on the graphite particles and a carbon film partially or totally coated on the graphite particles.

Abstract: Disclosed are an electrode material, a method for its preparation, an electrode comprising the electrode material and a battery comprising the same. The electrode material comprises a binder comprising a water-soluble conductive polymer and a water-soluble polymer, and an active material.