Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, the separator including a porous substrate and a coating layer on at least one side of the porous substrate, the coating layer including a fluorine-based polymer, a ceramic, or a combination thereof; and an electrolyte. The negative electrode includes a current collector, a negative active material layer on the current collector, the negative active material layer including a polyvinylidene fluoride (PVdF) latex particle and an aqueous binder, and a polymer layer on the negative active material layer, the polymer layer including a PVdF latex particle.

Abstract: In an aspect, a negative active material for a rechargeable lithium battery that includes a silicon-based active material including a core including carbon and SiOx particles (0.5?x?1.5); and a coating layer surrounding the core, and a negative electrode and a rechargeable lithium battery including the same are provided.

Abstract: A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface.

Abstract: A negative active material for a lithium rechargeable battery is provided. The negative active material includes an active metal core and a crack inhibiting layer disposed on a surface of the active metal core. The crack inhibiting layer includes a metal oxide.

Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a current collector, an active material layer on the current collector and including an amorphous silicon oxide represented by SiOx (0.95<x<1.7), and an SEI layer on the active material layer and including about 70 area % or more of protrusion parts having a size of about 5 nm to 300 nm during charging of the battery.

Abstract: In one aspect, a negative active material for a lithium secondary battery including silicon oxide represented by a chemical formula SiOx (1.1<x<1.5) and a negative electrode and a lithium secondary battery including the negative active material is provided. The silicon oxide may be amorphous silicon oxide.

Abstract: Provided are a negative active material for a rechargeable lithium battery, which includes a first silicon oxide (SiOx) and a second silicon oxide (SiOx) with a particle diameter differing from the one of the first silicon oxide (SiOx), a negative electrode including the negative active material, and a method of manufacturing the negative electrode, and a rechargeable lithium battery including the negative electrode. The first silicon oxide (SiOx) and second silicon oxide (SiOx) have a particle distribution peak area ratio ranging from 3 to 8.

Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.

Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.

Abstract: The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles.

Abstract: Disclosed is a lithium secondary battery including a positive electrode including a positive active material; a negative electrode including a negative active material; a separator interposed between the positive and negative electrodes; and an electrolyte, where an alkaline metal powder layer is formed by dispersion coating on a surface of at least one of the positive and negative electrodes and the separator.

Abstract: The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles.

Abstract: A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface.

Abstract: A negative active material for a rechargeable lithium battery includes a compound represented by the following Formula 1: Li1+xTi1?x?yMyO2+z??(1) wherein, in the above Formula 1, 0.01?x?0.5, 0?y?0.3, ?0.2?z?0.2, and M is an element selected from the group consisting of V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, W, Ag, Sn, Ge, Si, Al, and combinations thereof. The negative active material has high capacity and excellent cycle-life characteristics, and particularly, can provide a rechargeable lithium battery having high capacity at high-rate charge and discharge.

Abstract: A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface.

Abstract: The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles.

Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a silicon-based negative active material, an electrolyte including a lithium salt and a non-aqueous organic solvent, and a separator including a polymer substrate and a ceramic-containing coating layer on the polymer substrate. The ceramic-containing coating layer has a porosity at or between about 50% and about 90%, and a thickness at or between about 2 ?m and about 6 ?m. The rechargeable lithium battery has a capacity per volume of more than or equal to about 700 Wh/l.

Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a silicon-based negative active material, an electrolyte including a lithium salt and a non-aqueous organic solvent, and a separator including a polymer substrate and a ceramic-containing coating layer on the polymer substrate. The ceramic-containing coating layer has a porosity at or between about 50% and about 90%, and a thickness at or between about 2 ?m and about 6 ?m. The rechargeable lithium battery has a capacity per volume of more than or equal to about 700 Wh/l.

Abstract: A negative active material of a non-aqueous electrolyte battery includes a compound represented by formula 1: LixMyVzO2+d??(1) where 0.1?x?2.5, 0<y?0.5, 0.5?z?1.5, 0?d?0.5, and M is at least one element selected from the group consisting of Al, Cr, Mo, Ti, W, and Zr.

Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate.