Abstract: Embodiments of the present invention provide a lithium secondary battery including anode active material layers which have a multi-layered structure and include carbon-based active materials having different contents from each other, thereby improving mechanical stability and battery performance.

Abstract: An anode active material composition for a lithium secondary battery includes a carbon-based anode active material and a silicon-based anode active material, wherein the carbon-based anode active material has an orientation (I004/I110, here, I004 is a peak intensity of the (004) plane when measuring X-ray diffraction (XRD) of the carbon-based anode active material, and I110 is a peak intensity of the (110) plane when measuring XRD of the carbon-based anode active material) of 2.85 or less measured by XRD.

Abstract: A display device includes a substrate, a first data fan-out line disposed on the substrate, a first data line disposed on the first data fan-out line and comprising a repair area overlapping the first data fan-out line, a color filter disposed on the first data line and overlapping the repair area, and a connection electrode disposed in the repair area and being in direct contact with the first data fan-out line and the first data line.

Abstract: Disclosed are a dual modulator of mGluR5 and 5-HT2AR (5-HT2A receptor), and use thereof. More specifically, disclosed are a compound which acts as modulator of mGluR5 and an antagonist of 5-HT2AR at the same time, and use thereof as therapeutic agent for pain.

Abstract: A lithium secondary battery includes a cathode including a cathode active material that includes a lithium metal oxide, an anode facing the cathode and including an anode electrode active material that includes a graphite-based active material and a silicon-carbon composite, and an electrolyte solution including a lithium salt and an organic solvent, the lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and the organic solvent including an acetate-based solvent. A content of the silicon-carbon composite is in a range from 5 wt % to 12 wt % based on a total weight of the anode active material.

Abstract: An anode for a lithium secondary battery includes an anode current collector, a second anode active material layer disposed on the anode current collector and including a second anode active material that includes a graphite-based active material and composite particles, and a first anode active material layer disposed between the anode current collector and the second anode active material layer and including a first anode active material that includes a graphite-based active material and does not include the composite particles. Each of the composite particles includes a carbon-based particle including pores, a silicon-containing coating layer disposed on an inside of the pores of the carbon-based particle or on a surface of the carbon-based particle, and a surface oxide layer disposed on the silicon-containing coating layer and including a silicon oxide.

Abstract: Disclosed are a dual modulator of mGluR5 and 5-HT2AR (5-HT2A receptor), and use thereof. More specifically, disclosed are a compound which acts as modulator of mGluR5 and an antagonist of 5-HT2AR at the same time, and use thereof as therapeutic agent for pain.

Abstract: Provided are a negative electrode for a lithium secondary negative electrode battery including: a current collector; a first negative electrode active material layer disposed on the current collector and including a silicon-based active material, a first graphite-based active material, and a linear conductive material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material. The first graphite-based active material has a carbon coating layer on at least a part of a surface. Also provided is a lithium secondary battery including the negative electrode.

Abstract: According to an embodiment, a lithium secondary battery substantially suppressing volume expansion of a silicon-based active material and having excellent characteristics such as capacity, lifespan, and the like is provided. An anode for the lithium secondary battery includes a current collector; a first anode mixture layer on at least one surface of the current collector; and a second anode mixture layer on the first anode mixture layer, wherein the first anode mixture layer and the second anode mixture layer include a carbon-based active material, respectively, the second anode mixture layer includes a silicon-based active material, and an upper and lower layer unit capacity ratio (Ruc) is 1.1 or more.

Abstract: In an embodiment a method includes manufacturing a membrane-electrode-gas diffusion layer assembly (MEGA) fabric by bonding a gas diffusion layer (GDL) material to a first surface of a membrane-electrode assembly (MEA) fabric, injecting, by a steam injector, a liquid material to a first surface of the MEGA fabric while allowing the liquid material to be absorbed to the first surface of the MEGA fabric, supplying, by a gas injector, compressed gas to a second surface of the MEGA fabric in which the liquid material has been absorbed, inspecting, by a surface inspection device, a surface state of the MEGA fabric after supplying the compressed gas and, after inspecting, winding the MEGA fabric around a MEGA winding unit.

Abstract: An anode for a lithium secondary battery includes a anode current collector, a first anode mixture layer disposed on at least one surface of the anode current collector and including a first carbon-based active material and a silicon-based active material including a porous structure, and a second anode mixture layer disposed on the first anode mixture layer and including a second carbon-based active material and a silicon-based active material doped with magnesium.

Abstract: An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on at least one surface of the anode current collector. The anode active material layer includes an anode active material and an anode binder. The anode active material includes a plurality of composite particles, each of the composite particles include a silicon-based active material particle, and a solid electrolyte interphase (SEI) layer formed on at least a portion of a surface of the silicon-based active material particle. A relative standard deviation of thickness values of the SEI layer of the composite particles, which are measured by an X-ray photoelectron spectroscopy (XPS) from 9 different composite particles among the plurality of composite particles after repeating 100 cycles of charging and discharging is 20% or less.

Abstract: The present disclosure relates to a system for installing a floor finishing material using an autonomous driving robot. According to the present disclosure, there is provided a system for installing a floor finishing material using autonomous driving including: a floor surface cleaning and adhesive application robot that cleans a floor surface and applies adhesive while moving with autonomous driving; a finishing material installation robot that installs the floor finishing material on an upper side of the adhesive surface; a finishing material loading robot that loads the floor finishing material loaded in an installation site, on a pallet; a finishing material transport robot that transports and delivers the loaded floor finishing material to the finishing material installation robot; and a 3D positioning device that sets a position thereof as an origin and recognizes positions of a plurality of active markers installed in a work site.

Abstract: A cathode for a lithium secondary battery includes a cathode current collector, a first cathode active material layer on the cathode current collector and a second cathode active material layer on the first cathode active material layer. The first cathode active material layer includes first cathode active material particles and a first binder. The first cathode active material particles include large-scaled particles having an average diameter (D50) from 10 ?m to 20 ?m and small-scaled particles having an average (D50) diameter from 1 ?m to 9 ?m. The second cathode active material layer includes second cathode active material particles having an average diameter (D50) from 1 ?m to 20 ?m and a second binder.

Abstract: Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.

Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes a cathode active material and a conductive material ID/IG is in a range from 0.5 to 1.25 in a Raman spectrum of the cathode active material layer. The cathode active material includes lithium metal oxide particles containing nickel and manganese and having a content of cobalt of less than 2 mol % among all elements except for lithium and oxygen.

Abstract: In an embodiment a method includes manufacturing a membrane-electrode-gas diffusion layer assembly (MEGA) fabric by bonding a gas diffusion layer (GDL) material to a first surface of a membrane-electrode assembly (MEA) fabric, injecting, by a steam injector, a liquid material to a first surface of the MEGA fabric while allowing the liquid material to be absorbed to the first surface of the MEGA fabric, supplying, by a gas injector, compressed gas to a second surface of the MEGA fabric in which the liquid material has been absorbed, inspecting, by a surface inspection device, a surface state of the MEGA fabric after supplying the compressed gas and, after inspecting, winding the MEGA fabric around a MEGA winding unit.

Abstract: An anode for a lithium secondary battery includes a anode current collector, a first anode mixture layer disposed on at least one surface of the anode current collector and including a first carbon-based active material and a silicon-based active material including a porous structure, and a second anode mixture layer disposed on the first anode mixture layer and including a second carbon-based active material and a silicon-based active material doped with magnesium.

Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer formed on the cathode current collector. The cathode active material layer includes cathode active material particles. The cathode active material particles include a lithium metal oxide particle containing nickel and having a mole fraction of cobalt of 0.02 or less among all elements except lithium and oxygen.

Abstract: A lithium secondary battery includes a cathode, a separator, and an anode including an anode current collector and an anode active material layer formed on the anode current collector and facing the cathode with the separator interposed therebetween. The anode active material layer includes a first anode active material layer formed on the anode current collector and including a first anode active material and a first anode binder containing a styrene-butadiene-based rubber (SBR) binder and a second anode active material layer formed on the first anode active material layer and including a second anode active material and a second anode binder containing a acryl-based binder. Each of the first anode active material and the second anode active material includes a silicon-based active material and a graphite-based material and contains 2 to 9.5 parts by weight of silicon with respect to the 100 part by weight of the graphite-based active material.