Abstract: A rechargeable lithium battery includes an electrode laminate including a positive electrode including a positive current collector and a positive active material layer disposed on the positive current collector; a negative electrode including a negative current collector, a negative active material layer disposed on the negative current collector, and a negative electrode functional layer disposed on the negative active material layer; and a separator, wherein the electrode laminate has a ratio (L/W) of a height (L), which is a length in a protruding direction of an electrode terminal, relative to a width (W), which is perpendicular to the protruding direction of the electrode terminal and parallel to the laminate surface, is about 1.1 to about 2.

Abstract: A rechargeable lithium battery includes a positive electrode including a positive current collector and a positive active material layer disposed on the positive current collector; and a negative electrode including a negative current collector, a negative active material layer disposed on the negative current collector, and a negative electrode functional layer disposed on the negative active material layer, wherein the positive active material layer includes a first positive active material including at least one of a composite oxide of metal selected from cobalt, manganese, nickel, and a combination thereof and lithium and a second positive active material including at least one of compounds represented by Chemical Formula 1 to Chemical Formula 4, and the negative electrode functional layer includes flake-shaped polyethylene particles and Lix2Mn1-y2M?y2A2??[Chemical Formula 1] Lix2Mn1-y2M?yO2-z2Xz2??[Chemical Formula 2] Lix2Mn2O4-z2Xz2??[Chemical Formula 3] Lix2Mn2-y2M?y2M?z2A4??[Chemical Formul

Abstract: A rechargeable lithium battery includes a negative electrode including a negative current collector, a negative active material layer disposed on the negative current collector, and a negative electrode functional layer disposed on the negative active material layer; and positive electrode including a positive current collector and a positive active material layer disposed on the positive current collector, wherein the negative electrode functional layer includes flake-shaped polyethylene particles, the positive active material layer includes a first positive active material including at least one of a composite oxide of a metal selected from cobalt, manganese, nickel, and a combination thereof and lithium, a second positive active material including a compound represented by Chemical Formula 1, and carbon nanotubes, and the carbon nanotubes have an average length of 30 ?m to about 100 ?m. LiaFe1-x1Mx1PO4 ??[Chemical Formula 1] In Chemical Formula 1, 0.90?a?1.8, 0?x1?0.

Abstract: A rechargeable lithium battery includes a positive electrode having a positive current collector and a positive active material layer at least partially disposed on the positive current collector, wherein the positive active material layer includes a first positive active material having at least one of a composite oxide of a metal selected from cobalt, manganese, nickel, and a combination thereof and lithium, and a second positive active material having a compound represented by Chemical Formula 1 as defined herein, and a negative electrode having a negative current collector, a negative active material layer at least partially disposed on the negative current collector, and a negative electrode functional layer having generally flake-shaped polyethylene particles at least partially disposed on the negative active material layer.

Abstract: Disclosed are an electrode for a rechargeable lithium battery and a rechargeable lithium battery. The electrode includes a current collector, a first active material layer, and a second active material layer. The first active material layer is formed on the current collector and includes a first active material. The second active material layer is formed on the first active material layer. The second active material layer includes a second active material having an active material and a meltdown polymer disposed on the surface of the active material.

Abstract: An electrode for a rechargeable lithium battery includes a current collector and an active material layer on the current collector, wherein the active material layer includes flake-shaped polyethylene particles, and the flake-shaped polyethylene particles have an average particle size (D50) of about 1 ?m to about 8 ?m. A rechargeable lithium battery includes the electrode including the flake-shaped polyethylene particles.

Abstract: Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material layer; and a negative electrode including a negative active material layer and a negative functional layer on the negative active material layer, wherein the functional layer includes flake-shaped polyethylene particles, and the positive active material layer includes a first positive active material including one or more composite oxides of lithium and a metal selected from cobalt, manganese, nickel, and a combination thereof, and a second positive active material including a compound represented by Chemical Formula 1 and. In Chemical Formula 1, 0.90?a ?1.8, 0?x?0.7, and M is Mg, Co, Ni, or a combination thereof.

Abstract: An electrode assembly and a rechargeable battery including the same are disclosed. The electrode assembly includes a plurality of unit cells overlapping in a thickness direction of the plurality of unit cells and a functional unit cell disposed with the plurality of unit cells. The functional unit cell includes a positive electrode. The positive electrode includes a positive current collector, a positive active material layer on at least one surface of the positive current collector and including a positive active material having a first reference potential, and a functional layer on the positive active material layer and including an active material having a lower reference potential than the first reference potential.

Abstract: Provided are a positive active material for a rechargeable lithium battery and a positive electrode including the same. The positive active material for a rechargeable lithium battery includes a first positive active material and a second positive active material, wherein the first positive active material includes at least one nickel-based lithium composite oxide, and the second positive active material is represented by Chemical Formula 2 and has an average particle diameter of about 300 nm to about 600 nm: Lia1Fe1-x1M1x1PO4.??[Chemical Formula 2] In Chemical Formula 2, 0.90?a1?1.8, 0?x1?0.7, and M1 may be Mg, Co, Ni, or a combination thereof.