Abstract: A cathode for a lithium secondary battery includes a cathode current collector and sequentially stacked first and second cathode active material layers on one surface thereof. The first cathode active material layer includes a first conductive material and either a first cathode active material having a single-particle structure or a mixture of the first and a second cathode active material having a secondary-particle structure. The second cathode active material layer includes a second conductive material and either the second cathode active material or a mixture of the first and second cathode active materials. The content of the first cathode active material in the first cathode active material layer is greater than the content of the second cathode active material, while the content of the second cathode active material in the second cathode active material layer is greater than or equal to that of the first.

Abstract: A facial image de-identification method and system are provided. A facial image de-identification method according to some embodiments may include acquiring a facial image, detecting one or more facial feature from the facial image, determining at least some of the detected facial features as a de-identification region of the facial image, and applying an image transformation technique to the determined de-identification region to generate a de-identification image. According to the method, a de-identification image can be created that preserves anatomical structure information such as a facial skeleton as it is while reducing the possibility of individual identification (that is, risk of re-identification).

Abstract: A method for ameliorating a disease caused by nitration of tyrosine in protein includes administering a composition comprising tyrosine or a salt thereof to a subject in need thereof. Tyrosine as effective component of the present invention not only can enhance the activity of glutamine synthetase having reduced activity and but also has an effect of restoring the amount (i.e., ratio) of glutamine and glutamic acid in brain and the amount of ammonia to normal level, an effect of enhancing the insulin sensitivity in a model of type 2 diabetes, an effect of suppressing the excitotoxicity and oxidative stress in a model of epileptic seizure, an effect of reducing cerebral infarction and enhancing the activity of GS in a model of brain stroke, an effect of eliminating the nitration of tyrosine using human recombinant MnSOD, and an effect for acute renal failure and hyperammonemia.

Abstract: This disclosure relates to a cathode for a lithium secondary battery and a lithium secondary battery including the same. According to one embodiment of the present disclosure, the cathode for a lithium secondary battery includes: a cathode current collector, and a first cathode active material layer and a second cathode active material layer sequentially stacked on one surface of the cathode current collector. The first cathode active material layer includes a first conductive material and a first cathode active material having a single-particle structure, or a mixture of the first cathode active material and a second cathode active material having a secondary-particle structure, and the second cathode active material layer includes a second conductive material and the second cathode active material, or a mixture of the first cathode active material and the second cathode active material.

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 a carbon-based active material, a first silicon-based active material including a carbon-silicon composite active material, and a second silicon-based active material including a silicon oxide (SiOx, 0<x<2). A content of the first silicon-based active material is in a range from 2 wt % to 40 wt % based on a total weight of the anode active material layer.

Abstract: Provided is an anode for a lithium secondary battery of the present disclosure, comprising: an anode current collector; a first anode mixture layer formed on at least one surface of the anode current collector and including a first silicon-based active material doped with a first metal and a first conductive material; and a second anode mixture layer formed on the first anode mixture layer and including a second silicon-based active material doped with a second metal and a second conductive material, and the first conductive material has a Raman R value according to the following formula 1 that is greater than that of the second conductive material. Raman R=ID/IG??[Formula 1] (In formula 1, ID is a Raman peak intensity value in an absorption region of 1330 to 1380 cm?1, and IG is a Raman peak intensity value in an absorption region of 1550 to 1625 cm?1.

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 a carbon-based active material, a first silicon-based active material including a carbon-silicon composite active material, and a second silicon-based active material including a silicon oxide (SiOx, 0<x<2). A content of the first silicon-based active material is in a range from 2 wt % to 40 wt % based on a total weight of the anode active material layer.

Abstract: A lithium secondary battery according to an embodiment includes an electrode assembly 1 in which a first electrode group 2 including at least one first unit cell 10; and a second electrode group 4 including at least one second unit cell 30 are alternately assembled. The first unit cell 10 includes a first-first anode mixture layer 111a on the first anode current collector 110; and a first-second anode mixture layer 111b on the first-first anode mixture layer. The second unit cell 30 includes a second-first anode mixture layer 311a on the second anode current collector 310; and a second-second anode mixture layer 311b on the second-first anode mixture layer. The first-first anode mixture layer 111a includes a carbon-based active material, and each of the first-second anode mixture layer 111b, the second-first anode mixture layer 311a and the second-second anode mixture layer 311b includes a silicon-based active material.

Abstract: Disclosed is an anode including an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector and has a multilayer structure comprising a first anode active material layer and a second anode active material layer. At least one of the first anode active material layer and the second anode active material layer includes a first metal-doped first silicon-based active material, and a doping amount of the first metal is 1.5% by weight to 8% by weight based on a total weight of the first silicon-based active material.

Abstract: An anode for a secondary battery according to exemplary embodiments of the present disclosure includes: an anode current collector; a first anode active material layer which is disposed on at least one surface of the anode current collector and includes natural graphite and artificial graphite; and a second anode active material layer which is disposed on the first anode active material layer and includes a silicon-based active material, a graphite-based active material and carbon nanotubes. Accordingly, a lithium secondary battery having improved rapid charge/discharge cycle lifespan characteristics may be implemented.

Abstract: An anode for a lithium secondary battery and a lithium secondary battery including the same are provided. The anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on a surface of the anode current collector. A Raman R1 value represented by ID/IG and measured on a surface of the anode active material layer is greater than about 0.2 and about 0.5 or less. The Raman R1 value is measured from a Raman spectrum at a laser focus level of 100% using InVia Raman Microscope from Renishaw as a Raman spectrometer.

Abstract: A secondary battery includes a first cathode group in which first cathodes are stacked adjacent to each other, a second cathode group in which second cathodes are stacked adjacent to each other, and anodes facing the first cathode or the second cathode. Each of the first cathodes includes a first cathode current collector and a first cathode active material layer on the first cathode current collector. Each of the second cathodes includes a second cathode current collector and a second cathode active material layer on the second cathode current collector. The second cathode active material layer has a different active material composition or a different stacked structure from that of the first cathode active material layer.

Abstract: A boron nitride composite is proposed. The boron nitride composite may include an aggregate including a plurality of boron nitride particles bonded to each other to form a plurality of pores. The boron nitride composite may also include a filler containing at least one of an organic material or an inorganic material, and filled in at least some of the plurality of pores such that the organic material and the inorganic material do not cover an outer surface of the aggregate.

Abstract: An anode for a secondary battery is provided, the anode for a secondary battery including: an anode current collector; a first anode mixture layer formed on at least one surface of the anode current collector, and including a first silicon-based active material and a first conductive material; and a second anode mixture layer formed on the first anode mixture layer, and including a second silicon-based active material and a second conductive material, wherein a content of the first silicon-based active material in the first anode mixture layer is lower than a content of the second silicon-based active material in the second anode mixture layer, and a Radial Breathing Mode (RBM) peak is observed in a Raman spectrum obtained from a surface of the second anode mixture layer.

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 a carbon-based active material, a first silicon-based active material including a carbon-silicon composite active material, and a second silicon-based active material including a silicon oxide (SiOx, 0<x<2). A content of the first silicon-based active material is in a range from 2 wt % to 40 wt % based on a total weight of the anode active material layer.

Abstract: An anode for a secondary battery includes an anode current collector, a first anode mixture layer on at least one surface of the anode current collector, and a second anode mixture layer on the first anode mixture layer. The first anode mixture layer includes a first silicon-based active material having a carbon coating layer formed on a surface, and a first conductive material, the second anode mixture layer includes a second silicon-based active material doped with a metal, and a second conductive material, and the anode for a secondary battery exhibits a Radial Breathing Mode (RBM) peak in a Raman spectrum obtained from a surface of the second anode mixture layer. An influence of volume expansion/contraction of a silicon-based active material during battery charging/discharging may be alleviated.

Abstract: Provided is an overlay mark. The overlay mark comprises a substrate, a lower overlay in the substrate, a pattern layer on the substrate, and an upper overlay defining an opening on the pattern layer. The lower overlay does not overlap the upper overlay in a thickness direction of the substrate.

Abstract: A peptide with terminal tyrosine has an excellent effect on inhibiting protein nitration and also an excellent effect on preventing, ameliorating, or treating disease symptoms in chronic immobilization stress-induced depression/cognitive impairment model, Alzheimer's disease model, epileptic seizure model, stroke model, type 2 diabetes model, acute renal failure model, or hyperammonemia model.

Abstract: Disclosed are an object recognition apparatus and method for a vehicle. The object recognition apparatus for a vehicle may include two or more sensors each configured to transmit a signal toward an object and receive signals having a direct path and indirect path and reflected and received from the object, a time of flight (ToF) detector configured to detect ToFs of the direct path and indirect path of each of the two or more sensors using the signals having the direct path and indirect path and received by each of the two or more sensors, and an object recognizer configured to recognize the object using the ToFs of the direct path and indirect path of each of the two or more sensors, detected by the ToF detector.