Abstract: The present invention relates to: a substituted thiazolidinedione derivative compound having a novel structure acting as a sterol regulatory element-binding protein-1 (SREBP1) inhibitor, a hydrate thereof, or a pharmaceutically acceptable salt thereof; and a pharmaceutical composition for preventing or treating cancer, comprising same as an active ingredient.

Abstract: A positive electrode active material includes a lithium transition metal oxide and a coating element M3-containing coating layer formed on a surface of the lithium transition metal oxide, wherein M3 comprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide is doped with a doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the total amount of the doping element M2 and the coating element M3 is in a range of 4,580 ppm to 9,120 ppm based on a total weight of the positive electrode active material.

Abstract: A cathode active material for a lithium secondary battery includes a coating element and lithium-nickel metal oxide particles. A coating area defined as (AC/ANi)*100 1 is 25% or more. AC is an area of a region where a content of the coating element is 1.6 wt % or more based on a total weight of the lithium-nickel metal oxide particles in a quantitative map (Q-map) image obtained through a scanning electron microscope-energy dispersive X-ray spectroscopy (SEM-EDS), and ANi is an area of a region where nickel is present in the Q-map image obtained through the SEM-EDS.

Abstract: A secondary battery comprising a positive electrode current collector, a first positive electrode mixture layer disposed on the positive electrode current collector and including a first positive electrode active material and a binder, and a second positive electrode mixture layer disposed on the first positive electrode mixture layer and including a second positive electrode active material and a binder. A nickel content of the second positive electrode active material is 80% by weight or less of a nickel content of the first positive electrode active material. By providing a secondary battery including a positive electrode of a multi-layer structure that includes positive electrode active materials having different contents of nickel, a secondary battery capable of improving high-temperature characteristics while maintaining energy density may be provided.

Abstract: A negative electrode active material for a secondary battery, including lithium titanium-based composite particles comprising: a lithium titanium oxide represented by LixTiyOz, wherein x, y and z satisfy 0.1?x?4, 1?y?5 and 2?z?12; Zr doped into the lithium titanium oxide; and an aluminum and sulfur containing compound coated on a surface of the lithium titanium oxide. The lithium titanium-based composite particles include at least one of primary particles or secondary particles formed by agglomeration of the primary particles, and an average particle size of the primary particles of the lithium titanium-based composite particles is in a range of 550 nm to 1.1 ?m.

Abstract: A negative electrode including a negative electrode current collector; a first negative electrode active material layer on the negative electrode current collector and a second negative electrode active material layer on the first negative electrode active material layer. The first negative electrode active material layer includes a first carbon-containing active material, a first silicon-containing active material, and a first binder. The second carbon-containing active material, a second silicon-containing active material, and a second binder. The first silicon-containing active material includes a first silicon-containing compound and a first metal doped in the first silicon-containing compound. The second silicon-containing active material includes a second silicon-containing compound and a second metal doped in the second silicon-containing compound.

Abstract: A positive electrode material and a positive electrode and a lithium secondary battery including the same are provided. The positive electrode material having a bimodal particle size distribution which includes large-diameter particles and small-diameter particles having different average particle diameters (D50), wherein the large-diameter particles are lithium composite transition metal oxide having a nickel content of 80 atm % or more in all transition metals thereof, and the small-diameter particles are a lithium composite transition metal oxide including nickel, cobalt, and aluminum, having a nickel content of 80 atm % to 85 atm % in all transition metals, and having an atomic ratio of the cobalt to the aluminum (Co/Al) of 1.5 to 5.

Abstract: A positive electrode active material includes a lithium transition metal oxide and a coating element M3-containing coating layer formed on a surface of the lithium transition metal oxide, wherein M3 comprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide is doped with a doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the total amount of the doping element M2 and the coating element M3 is in a range of 4,580 ppm to 9,120 ppm based on a total weight of the positive electrode active material.

Abstract: A negative electrode including: a negative electrode current collector; a first negative electrode active material layer on the negative electrode current collector, where the first negative electrode active material layer includes a first carbon-containing active material, a first silicon-containing active material, and a first binder; and a second negative electrode active material layer on the first negative electrode active material layer, where the second negative electrode active material layer includes a second carbon-containing active material, a second silicon-containing active material, and a second binder, wherein the first binder includes styrene-butadiene rubber, and the second binder includes a copolymer comprising an acrylamide-derived unit, an acrylic acid-derived unit, and an acrylonitrile-derived unit.

Abstract: A positive electrode material for a lithium secondary battery includes a first positive electrode active material and a second positive electrode active material, both of which are lithium composite transition metal oxides containing transition metals. The first positive electrode active material has a larger average particle size (D50) than the second positive electrode active material, wherein a ratio (Li/Me)1 of the mole number of lithium with respect to the total mole number of transition metals of the first positive electrode active material is more than 1 to 1.5 or less, and a ratio (Li/Me)2 of the mole number of lithium (Li) with respect to the total mole number of transition metals of the second positive electrode active material is 0.9 to 1. The second positive electrode active material has a crystallite size of 180 nm or more.

Abstract: A positive electrode includes a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material and a conductive material. The conductive material includes a linear conductive material. The positive electrode active material includes a lithium composite transition metal oxide containing nickel (Ni), cobalt (Co), and manganese (Mn). The lithium composite transition metal oxide is in the form of a single particle. The positive electrode active material has an average particle diameter (D50) of 2 ?m to 10 ?m. The positive electrode satisfies a specific equation for a BET specific surface area and an amount of the positive electrode active material and the linear conductive material.

Abstract: A electronic device and method for providing store payment service are provided. An electronic device for providing store payment service comprising a processor; and a memory operatively coupled to the processor, wherein the memory, when executed, causes the processor to identify first tracking data of the tracking data corresponding to a first time period including the trigger time point, identify a user candidate group for at least some of the at least one user based on the first tracking data, calculate a first reliability for each of the at least some users included in the user candidate group, identify that a user related to the trigger is a first user based on the first reliability, and store instructions for performing an update related to the trigger for a virtual shopping cart of the first user.

Abstract: A positive electrode material for a lithium secondary battery includes a first positive electrode active material and a second positive electrode active material, both of which are lithium composite transition metal oxides containing transition metals. The first positive electrode active material has a larger average particle size (D50) than the second positive electrode active material, wherein a ratio (Li/Me)1 of the mole number of lithium with respect to the total mole number of transition metals of the first positive electrode active material is more than 1 to 1.5 or less, and a ratio (Li/Me)2 of the mole number of lithium (Li) with respect to the total mole number of transition metals of the second positive electrode active material is 0.9 to 1. The second positive electrode active material has a crystallite size of 180 nm or more.

Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), and at least one particle growth-promoting element selected from the group consisting of strontium (Sr), zirconium (Zr), magnesium (Mg), yttrium (Y), and aluminum (Al). The lithium composite transition metal oxide includes the nickel (Ni) in an amount of 65 mol % or more and the manganese (Mn) in an amount of 5 mol % or more based on a total amount of transition metals, and the positive active material has a single particle.

Abstract: The present disclosure provides a method for manufacturing a positive electrode for a secondary battery, the method including forming a positive electrode mixture layer including a positive electrode active material on a positive electrode current collector, and forming a metal oxide coating layer on the positive electrode mixture layer by atomic layer deposition, wherein the positive electrode active material includes lithium composite transition metal oxide particles and a boron-containing coating layer formed on the lithium composite transition metal oxide particles, and the lithium composite transition metal oxide particles include nickel (Ni), cobalt (Co), and manganese (Mn), wherein the nickel (Ni) is 60 mol % or greater of all metals excluding lithium.

Abstract: A an electrode having an improved safety,including: a current collector including a main body and an electrode tab formed at one side of the main body; a conductive coating layer which is formed on at least one surface of the current collector and includes a conducting polymer of which resistance increases when a temperature rises; and an electrode mixture layer which is formed on the conductive coating layer. Herein, the conductive coating layer is formed on a region including both the main body and the electrode tab.

Abstract: A positive electrode active material includes a lithium transition metal oxide and a coating element M3-containing coating layer formed on a surface of the lithium transition metal oxide, wherein M3 comprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide is doped with a doping element M2, wherein M2 includes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the total amount of the doping element M2 and the coating element M3 is in a range of 4,580 ppm to 9,120 ppm based on a total weight of the positive electrode active material.

Abstract: The present disclosure relates to a method of preparing an electrode assembly capable of improving life characteristics and rapid charging performance by minimizing a space between a folding separator and an electrode. The method of preparing the electrode assembly includes disposing a plurality of unit cells on a first surface of a folding separator, fixing the unit cells on the first surface of the folding separator, providing a binder composition to at least one end portion of a second surface of the folding separator, and stacking the unit cells by folding the folding separator.

Abstract: A method for producing a high-nickel positive electrode active material, a positive electrode active material produced thereby, and a positive electrode and a lithium secondary battery including the same is provided. The method includes preparing a lithium composite transition metal oxide having a nickel content of 80 atm % or greater among transition metals, washing the lithium composite transition metal oxide, and mixing the washed lithium composite transition metal oxide with an aluminum raw material and heat treating the mixture at a temperature of 650° C. to 690° C. to obtain a positive electrode active material having a surface portion doped with aluminum.

Abstract: The present disclosure provides an electrode for an electrochemical device comprising an electrode current collector, a conductive polymer layer that is located on at least one surface of the electrode current collector; and an electrode active material layer that is located on an upper surface of the conductive polymer layer and includes an electrode active material and a binder polymer, wherein the conductive polymer layer includes a poly(thiophene)-based polymer represented by Chemical Formula 1: wherein R1 to R4, m and n are describe herein.