Abstract: The present invention relates to a negative electrode for a secondary battery, an electrode assembly comprising same, and a secondary battery comprising the electrode assembly, the negative electrode comprising: a current collector; and a negative electrode active material layer on one or more sides of the current collector, wherein the negative electrode active material layer comprises an amphiphilic polymer and a negative electrode active material having graphite on which an amorphous carbon coating layer is formed.

Abstract: Provided are a negative electrode active material and a method of preparing the same, and particularly, the present invention relates to a negative electrode active material including a core including natural graphite, and a shell surrounding the core and including a roughened amorphous carbon layer. Since the negative electrode active material according to the present invention has a roughened surface, adhesion may be improved by using a less amount of a binder due to an anchoring effect in which curved surfaces of active material particles in contact with each other are anchored. Thus, an increase in resistance due to the use of an excessive amount of the binder may be prevented while achieving high loading in a negative electrode. Also, since a specific surface area is increased due to the roughened surface, access of lithium ions becomes easy, and thus, high output of a battery may be obtained.

Abstract: There are provided a system and a method for controlling power of a high speed vehicle. The system for controlling power of a vehicle includes: a latch relay configured to supply power to a vehicle load or to block power to the vehicle; a communication part configured to output a driving signal when a wakeup signal is received; a pulse generator configured to output a one shot pulse that turns on the latch relay when the driving signal is applied; and a processor configured to control a driving of the latch relay turned on by the one shot pulse when being initialized.

Abstract: Disclosed is a digital signage device and a method for operating the same, the digital signage device enabling a terminal, which has approached a display panel, to acquire tagging information, which has been updated with regard to each display object inside contents displayed on the display panel.

Abstract: An apparatus for managing power of a vehicle and a method of controlling the same, for effectively shutting off dark current are disclosed. The method includes cutting off a first load part when a preset first time condition is satisfied, additionally cutting off a second load part when at least one of a preset second time condition or a first battery state condition is satisfied, and additionally cutting off a third load part to interrupt all loads when at least one of a preset third time condition, a second battery state condition, or a dark current state condition is satisfied.

Abstract: Provided are a carbon-silicon composite having improved capacity and cycle stability, and a method of preparing the same. More particularly, the present invention relates to a carbon-silicon composite, in which surfaces of silicon particles are coated with a carbon-based material that is doped with at least one type of doping atoms selected from the group consisting of nitrogen (N), phosphorous (P), boron (B), sodium (Na), and aluminum (Al), and a method of preparing the same.

Abstract: The present invention relates to a lithium secondary battery including a negative electrode and a positive electrode, wherein the negative electrode includes a first negative electrode active material made of a carbonaceous material, and a second negative electrode active material having a lower initial charge/discharge efficiency than the first negative electrode active material, and the initial charge/discharge efficiency of the negative electrode is lower than the initial charge/discharge efficiency of the positive electrode. The present invention provides a lithium secondary battery capable of realizing high output by remarkably reducing the resistance at a low state-of-charge (SOC) level.

Abstract: Provided are a method and apparatus for encoding an audio signal and a method and apparatus for decoding an audio signal, in which errors generated during encoding and decoding of the audio signal are reduced to enhance the audio quality of a reconstructed audio signal. The method of encoding the audio signal includes detecting a pitch of the audio signal, determining a filter coefficient based on the detected pitch, performing second filtering on the audio signal, based on the determined filter coefficient; and encoding an audio signal resulting from the second filtering.

Abstract: The present invention relates to a composition for preventing or treating renal diseases. The composition of the present invention improves lipid metabolism, prevents histological damage including renal fibrosis, alleviates microalbuminuria, and maintains nephrons of renal glomeruli. Therefore, the composition is useful for treating renal diseases.

Abstract: A vehicular fuel cap opening/closing structure may include a stopper hinged to a fuel inlet to rotate when a fuel cable is pulled via operation of a switch provided inside a vehicle, a fuel cap external device configured to be held in place by the stopper, the fuel cap external device being discharged in a longitudinal direction of the fuel inlet via rotation of the stopper, a fuel cap internal device fitted inside the fuel cap external device to close the fuel inlet, the fuel cap internal device being engaged with the discharged fuel cap external device, and a fuel cap handle coupled to the fuel cap internal device and held in place by the fuel cap external device to rotate the fuel cap external device and cause the fuel cap internal device to be rotated, guiding opening of the fuel inlet.

Abstract: Provided are wireless charging equipment, a terminal, a wireless charging system comprising the same, a control method thereof, and a non-transitory computer readable storage medium having computer program recorded thereon. That is, the present invention performs a charging function based on a charging signal in the corresponding terminal by transmitting the charging signal to only the terminal corresponding to a communication provider or an affiliated company pre-registered in the wireless charging equipment to provide a charging function to only the pre-registered terminal with respect to a terminal to use a wireless charging infrastructure, easily and conveniently perform an authentication function for the terminal without a separate additional component, and improve operation efficiency of the entire wireless charging system.

Abstract: The present invention relates to a negative electrode for a secondary battery, an electrode assembly comprising same, and a secondary battery comprising the electrode assembly, the negative electrode comprising: a current collector; and a negative electrode active material layer on one or more sides of the current collector, wherein the negative electrode active material layer comprises an amphiphilic polymer and a negative electrode active material having graphite on which an amorphous carbon coating layer is formed.

Abstract: A method of encoding a multi-channel 3-dimensional (3D) audio signal mixed with a multi-channel 3D object signal is provided. The method includes: obtaining a location parameter indicating a virtual location of the multi-channel 3D object signal on a multi-channel speaker layout based on a gain value of the multi-channel 3D object signal for each channel; and encoding the multi-channel 3D audio signal and the location parameter.

Abstract: Provided are an anode including spherical natural graphite having a surface coated with an amorphous carbon layer, wherein a crystal orientation ratio is in a range of 0.06 to 0.08 at a compressed density of 1.40 g/cc to 1.85 g/cc, and a lithium secondary battery including the anode. Initial efficiency, electrode adhesion, and capacity characteristics of the lithium secondary battery may be improved by using the anode of the present invention in the lithium secondary battery.

Abstract: A method of encoding a multi-channel 3-dimensional (3D) audio signal mixed with a multi-channel 3D object signal is provided. The method includes: obtaining a location parameter indicating a virtual location of the multi-channel 3D object signal on a multi-channel speaker layout based on a gain value of the multi-channel 3D object signal for each channel; and encoding the multi-channel 3D audio signal and the location parameter.

Abstract: An electrode assembly is provided. The electrode assembly has a plurality of electrode plates having one or both sides of each of the electrode plates that are coated with an electrode active material and are stacked with a separator interposed between the respective electrode plates. The separator includes a surplus outer periphery of a size greater than the outer periphery of an electrode plate, an electrode tab which extends from the outer periphery of the electrode plate and protrudes outwardly beyond the outer periphery of the separator is formed on each electrode plate, and at least some of the separators forming the electrode assembly have an insulation-enhancing part for suppressing heat shrinkage of a separator formed in the surplus outer peripheries thereof which are adjacent to the respective electrode tabs.

Abstract: Provided are wireless charging equipment, a terminal, a wireless charging system comprising the same, a control method thereof, and a non-transitory computer readable storage medium having computer program recorded thereon. That is, the present invention can easily implement the present invention without a separate BLE beacon device by using the wireless charging infrastructure and improve operation efficiency of the entire wireless charging system by transmitting additional information (alternatively, specific information) to the peripheral BLE terminal for a time where the charging signal is not transmitted in the corresponding BLE by using the BLE of the resonance scheme wireless charging equipment.

Abstract: The present invention relates to a conductive material for a secondary battery, including a pitch coated graphene sheet, an anode for a secondary battery including the same, and a lithium secondary battery including the electrode.

Abstract: An apparatus and method for a sensor network, machine-to-machine (M2M) communication, machine type communication (MTC), and Internet of things (IoT) are disclosed. The disclosure may be applied to, for example, intelligent services related to the above technologies, in conjunction with smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security, and safety related services. The method includes generating first image data by resizing original image data to a predetermined size, inserting watermark data into the first image data, and adding difference data corresponding to the difference between the original image data and the first image data to second image data that is image data in which the watermark data is inserted.

Abstract: Since a surface of the artificial graphite of the negative electrode active material according to the present invention is modified with nitrogen, dispersibility in an aqueous system may be improved and accordingly, affinity between a binder and the negative electrode active material is increased to increase the adhesive strength of an electrode. Also, since the surface of the artificial graphite is modified with nitrogen, there is an effect of maintaining a high battery capacity. Furthermore, in the method of preparing a negative electrode active material according to the present invention, since an oxygen-containing functional group is connected to the artificial graphite by a mild oxidation process, the nitrogen may be easily attached to the artificial graphite so that the negative electrode active material becomes an electrical conductor by maintaining original crystallinity while having a hydrophilic property. Thus, excellent battery efficiency may be achieved.