Abstract: An electrode for a rechargeable lithium battery and method of manufacturing a rechargeable lithium battery including the electrode is disclosed. In one embodiment, the electrode includes i) a current collector, ii) a first electrode composition layer provided on a surface of the current collector and iii) a second electrode composition layer farther than the first electrode composition layer from the current collector. Further, each of the first and second electrode composition layers comprises an active material and a conductive material, and wherein the amount of the conductive material of the first electrode composition layer is different from that of the conductive material of the second electrode composition layer.

Abstract: A positive electrode includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material including a core including a compound LiaCO1?bMbO2 and a surface-treatment layer. In the core compound, 0.95?a?1.1, 0.002?b?0.02, and M is one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, P, As, Sb, Bi, S, Se, Te, Po. The surface-treatment layer includes a compound including element of P, and one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Ti, Si, Ge, Sn, As, Sb, Bi, S, Se, Te, Po.

Abstract: An electrode, for a rechargeable lithium battery, including a current collector; an active material layer disposed on the current collector; and a coating layer disposed on the active material layer. The coating layer includes a lithium ion conductive polymer and an inorganic material represented by Formula 1: MwHxPyOz, wherein M is an element selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and a combination thereof; and 1?w?4, 0?x?4, 1?y?7, and 2?z?30.

Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.

Abstract: Active materials for batteries are provided. According to an embodiment of the present invention, the active material includes a core material including a compound capable of electrochemical oxidation/reduction and a lithium ion conducting layer surrounding the core material. The lithium ion conducting layer includes a compound selected from the group consisting of lithium ion conductor, lithium ion conductive polymers, and mixtures thereof.

Abstract: The rechargeable lithium battery includes a positive electrode which includes a positive active material, a negative electrode, and an electrolyte which includes a non-aqueous organic solvent and a lithium salt. The positive active material includes a core including at least one of a compound represented by Formula 1 and a compound represented by Formula 2, and a surface-treatment layer which is formed on the core and includes a compound represented by Formula 3. The lithium salt includes LiPF6 and a lithium imide-based compound. LiaNibCocMndMeO2 ??(1) LihMn2MiO4 ??(2) M?xPyOz ??(3) wherein each of M and M? is independently selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and combinations thereof, 0.95?a?1.1, 0?b?0.999, 0?c?0.999, 0?d?0.999, 0.001?e?0.2, 0.95?h?1.1, 0.001?i?0.2, 1?y?4, 0?y?7, and 2?z?30.

Abstract: A positive electrode including a current collector; a positive active material layer disposed on the current collector; and a coating layer disposed on the positive active material layer. The coating layer includes a binder and a inorganic additive. The binder is a poly(vinylidenefluoride-hexafluoropropylene) copolymer comprising 2 to 16 mole % of hexafluoropropylene. The positive electrode for a rechargeable lithium battery suppresses side-reactions between a positive electrode and an electrolyte, at a high voltage.

Abstract: A rechargeable lithium battery including a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte including a non-aqueous organic solvent and a lithium salt. The positive electrode has an active-mass density of about 3.7 to 4.1 g/cc, and the non-aqueous electrolyte includes a nitrile-based compound additive, a non-aqueous organic solvent, and a lithium salt.

Abstract: The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCo0.98M?0.02O2, and the coating layer is made of a material such as MxPyOz. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.