Abstract: Provided is a silicon nanocomposite structure powder for a negative electrode material, where a SiOx layer is formed on the surface of ultrafine silicon powder by a low-temperature oxidation reaction, and then the silicon powder is milled with graphite powder having excellent conductivity to form a nanocomposite structure, thus achieving improved discharge capacity, efficiency, and cycle characteristics. A method for manufacturing a silicon nanocomposite structure powder for a negative electrode material includes: mechanically milling micro-sized micro silicon powder into nano-sized nano silicon powder; forming an SiOx (1<x<2) layer on the surface of the nano-silicon powder by surface-oxidizing the nano-silicon powder at a low temperature; and dispersing the silicon powder, with the SiOx (1<x<2) layer formed on the surface thereof, in a graphite matrix by mixing and milling the silicon powder, with the SiOx (1<x<2) layer formed on the surface thereof, with graphite powder.

Abstract: The present invention provides an electronic device and a method for processing an image. A method of the electronic device according to various embodiments can comprise the operations of: obtaining, using an image sensor, a plurality of images including a first image and a second image corresponding to external objects, providing, using the image sensor, at least a part of processed images of the plurality of images as a preview image; detecting image information based on at least the preview image; storing, in a buffer, images including at least the first and second images of the plurality of images; and synthesising, in response to an image capture related input, an image set including at least the first and second images of the images stored in the buffer using the image information so as to create a third image. In addition, the present invention may include other embodiments.

Abstract: An electronic device includes a camera, a memory, and a processor. The processor is configured to: (1) obtain a plurality of images having a first attribute with respect to an external object, by using the camera, (2) generate at least one first image by correcting images included in a first image set from among the plurality of images, during at least a portion of the obtaining of the plurality of images, (3) display the generated at least one first image, (4) obtain a plurality of images having a second attribute with respect to the external object, based on a received signal corresponding to an image capture of the external object, during the at least portion of obtaining the plurality of images, and (5) store at least one second image generated by correcting the plurality of images having the second attribute based on the first image set.

Abstract: An electronic device includes a camera, a memory, and a processor. The processor is configured to: (1) obtain a plurality of images having a first attribute with respect to an external object, by using the camera, (2) generate at least one first image by correcting images included in a first image set from among the plurality of images, during at least a portion of the obtaining of the plurality of images, (3) display the generated at least one first image, (4) obtain a plurality of images having a second attribute with respect to the external object, based on a received signal corresponding to an image capture of the external object, during the at least portion of obtaining the plurality of images, and (5) store at least one second image generated by correcting the plurality of images having the second attribute based on the first image set.

Abstract: The present invention provides an electronic device and a method for processing an image. A method of the electronic device according to various embodiments can comprise the operations of: obtaining, using an image sensor, a plurality of images including a first image and a second image corresponding to external objects, providing, using the image sensor, at least a part of processed images of the plurality of images as a preview image; detecting image information based on at least the preview image; storing, in a buffer, images including at least the first and second images of the plurality of images; and synthesising, in response to an image capture related input, an image set including at least the first and second images of the images stored in the buffer using the image information so as to create a third image. In addition, the present invention may include other embodiments.

Abstract: A positive active material for a rechargeable lithium battery includes a positive active material compound including a metal compound for intercalating and deintercalating lithium, a coating particle having an embedded portion embedded into the active material compound and a protruding portion protruding from the surface of the active material, and a rechargeable lithium battery including the positive active material.

Abstract: An electrode active material for a lithium secondary battery, a method of preparing the electrode active material, an electrode for a lithium secondary battery which includes the same, a lithium secondary battery using the electrode. The electrode active material includes a core active material and a coating layer including magnesium aluminum oxide (MgAlO2) and formed on the core active material. 1s binding energy peaks of oxygen (O) in the electrode active material measured by x-ray photoelectron spectroscopy (XPS) are shown at positions corresponding to 529.4±0.5 eV, about 530.7 eV, and 531.9±0.5 eV, and a peak intensity at the position corresponding to 529.4±0.5 eV is stronger than a peak intensity at the position corresponding to about 530.7 eV.

Abstract: An electrode for a lithium secondary battery includes a silicon-based alloy, and has a surface roughness of about 1 to about 10 ?m and a surface roughness deviation of 5 ?m or less. A method of manufacturing the electrode includes mixing an electrode composition, milling the composition, coating the milled composition on a current collector, and drying the milled composition. A lithium secondary battery includes the electrode.

Abstract: Disclosed is a solid electrolyte including particles comprising Li(1+x)Ti(2-x)Alx(PO4)3 (0?x?1) having a true density of about 2.20 to about 2.50 g/cm3.

Abstract: A negative active material for a rechargeable lithium battery includes a Si—Al—Fe alloy represented by Formula 1. The Si—Al—Fe alloy includes a Si phase and an alloy phase, and the alloy phase includes Si, Al, and Fe in a ratio of atomic percentages of about 3:3:2: xSi-yAl-zFe??Formula 1 wherein 50 at %?x?90 at %, 5 at %?y?30 at %, 5 at %?z?30 at %, and x+y+z=100 at %.

Abstract: A positive active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery using the same, the positive active material including a secondary particle formed of a plurality of primary particles, the primary particles being made of a metal compound capable of intercalating/deintercalating lithium; and a coating layer on a surface of the secondary particle in an island arrangement, the coating layer including a metal oxide, wherein the secondary particle includes pores formed by the primary particles, the pores including a surface pore on the surface of the secondary particle and an internal pore inside the secondary particle, and the metal oxide of the coating layer fills a portion of the surface pore of the secondary particle.

Abstract: A negative active material for a lithium battery with an improved cycle characteristic and capacity retention rate, and the negative active material comprises a plurality of particles comprising a plurality of first particles comprising Si, Ti, and Ni; and composite particles comprising a plurality of second particles in which at least one element selected from the group consisting of Cu, Fe, Ni, Au, Ag, Pd, Cr, Mn, Ti, B, and P is partially or completely deposited on surface(s) of other of first particles, a method of preparing the negative active material, and a lithium battery including a negative electrode including the negative active material.

Abstract: Disclosed is a rechargeable lithium battery including: a positive electrode; a negative electrode including a negative current collector including a copper foil having elongation of about 5% to about 10% and a particle size of about 1 ?m to about 20 ?m, and a negative active material layer provided on the negative current collector; and an electrolyte solution.

Abstract: A negative active material having controlled particle size distribution of silicon nanoparticles in a silicon-based alloy, a lithium battery including the negative active material, and a method of manufacturing the negative active material are disclosed. The negative active material may improve capacity and lifespan characteristics by inhibiting (or reducing) volumetric expansion of the silicon-based alloy. The negative active material may include a silicon-based alloy including: a silicon alloy-based matrix; and silicon nanoparticles distributed in the silicon alloy-based matrix, wherein a particle size distribution of the silicon nanoparticles satisfies D10?10 nm and D90?75 nm.

Abstract: A solid electrolyte for a rechargeable lithium battery includes a compound represented by Li1+xTi2?xAlxMy(PO4)3-y, and a glass-based oxide selected from LiPO3, Li2O—B2O3, and combinations thereof. A rechargeable lithium battery includes the solid electrolyte.

Abstract: An apparatus and method for detecting flicker in a camera module is provided. The method including generating a first image frame and a second image frame, setting up a first sampling area in the first image frame and a second sampling area in the second image frame, sampling a plurality of horizontal lines from among all of the horizontal lines contained in each of the first sampling area and the second sampling area, accumulating brightness values of pixels located on each of the sampled horizontal lines to generate first accumulated brightness values for the first image frame and second accumulated brightness values for the second image frame, and detecting flicker based on the first accumulated values and the second accumulated values, wherein the first sampling area and the second sampling area have the same sizes and the same horizontal starting points but have different vertical starting points.

Abstract: A solid electrolyte includes a sulfide-based electrolyte and a coating film including a water-resistant, lithium conductive polymer on a surface of the sulfide-based electrolyte, a method of preparing the solid electrolyte, and a lithium battery including the solid electrolyte.

Abstract: A composite includes a compound selected from the group consisting of a lithium lanthanum zirconium oxide and a lithium lanthanum tantalum oxide; a lanthanum oxide; and an oxide selected from the group consisting of a lanthanum zirconium oxide and a lanthanum tantalum oxide. An electrode active material for a secondary lithium battery may include such composite. Methods of preparing the composite, an electrode for a secondary lithium battery including the electrode active material, and a secondary lithium battery including the electrode are disclosed.

Abstract: Disclosed is a bifacial thin film solar cell that is applicable to a BIPV window, particularly a bifacial CIGS thin film solar cell that can generate electricity by both sunlight and indoor illumination due to its ability to absorb light at both front and rear sides. According to several embodiments, visible light in a particular wavelength region can be transmitted through the semi-transparent thin film solar cell. In addition, high stability and safety of the thin film solar cell can be ensured because there is no need to use organic materials and liquid electrolytes. Furthermore, the fabrication cost of the thin film solar cell can be reduced by a low cost solution process. The thin film solar cell exhibits various other effects described in the specification.

Abstract: A negative active material for a lithium battery with an improved cycle characteristic and capacity retention rate, and the negative active material comprises a plurality of particles comprising a plurality of first particles comprising Si, Ti, and Ni; and composite particles comprising a plurality of second particles in which at least one element selected from the group consisting of Cu, Fe, Ni, Au, Ag, Pd, Cr, Mn, Ti, B, and P is partially or completely deposited on surface(s) of other of first particles, a method of preparing the negative active material, and a lithium battery including a negative electrode including the negative active material.