Abstract: Disclosed herein are a catalyst for a hydrogen evolution reaction, a water electrolysis electrode including the same, and a method of manufacturing the same, wherein the catalyst can be manufactured at room temperature, and catalyst diversity can be given through an alloy structure including ruthenium and two or more metals. According to the present disclosure, the catalyst can be manufactured at room temperature due to characteristics of an electroplating manufacturing method, and the catalyst diversity can be given through the alloy structure that includes ruthenium and two or more metals.

Abstract: An embodiment vehicle seat includes a seatback configured to support an occupant's upper body, the seatback including an upper seatback part and a lower seatback part, wherein the upper seatback part includes a tilting part pivotably hinged onto the lower seatback part so as to be tiltable forward and backward with respect to the lower seatback part as the upper seatback part is pivoted forward and backward about the lower seatback part, and a tilting device configured to tilt the tilting part forward and backward in conjunction with a reclining operation of the seatback, wherein the tilting device is configured to tilt the tilting part forward in conjunction with a backward reclining operation of the seatback.

Abstract: A battery pack includes at least one battery module including a plurality of battery cells, and a module housing to receive the plurality of battery cells, at least one thermoelectric module disposed outside or inside of the module housing of the battery module and configured to generate voltage when a temperature of the battery module rises to a predetermined temperature or above, and an energy drain unit configured to discharge the battery module when a predetermined magnitude of voltage or above is applied from the thermoelectric module.

Abstract: A system of controlling a vehicle may include a sensor and a controller, in which the sensor may be configured to sense vehicle operation state information, and the controller may be configured to determine whether a vehicle is running on a dangerous road based on the sensed vehicle operation state information, determine whether there is a possibility that a vehicle driving state will cause a failure of a driving system based on the sensed vehicle operation state information in response to determining that the vehicle is running on the dangerous road, and decide that torque control of the vehicle.

Abstract: Provided is a method in an electricity-driven apparatus to be driven by receiving power through a plurality of battery packs in a parallel type. The method includes detecting a state of charge (SOC) of each of the plurality of battery packs, calculating a voltage difference between the plurality of battery packs based on the detected SOC, and performing battery pack balancing based on the calculated voltage difference exceeding a threshold value. The battery pack balancing is performed by a pre-charging circuit including a balancing relay.

Abstract: The present disclosure relates to a plasticizer composition characterized in including two or more isophthalates of the same carbon number type, in which alkyl groups bonded to two ester groups have the same carbon number; one or more isophthalates of a different carbon number type, in which alkyl groups bonded to two ester groups have different carbon numbers; wherein the different carbon number type includes both a higher alkyl and a lower alkyl, the carbon number of the higher alkyl is 8 to 10, and the carbon number of the lower alkyl is selected from 5 to 7, thereby, when applied to a resin, showing improved viscosity stability, migration resistance and stress resistance, while maintaining and improving plasticization efficiency and mechanical properties to the same or better level.

Abstract: The present invention relates to novel compounds exhibiting excellent antioxidant effects, and cosmetic and pharmaceutical compositions including the same. The novel compounds according to the present invention are represented by Chemical Formula 1. In the formula, R1 to R4 are each independently hydrogen, C1-C12 alkyl, acyl, or cyclic alkyl; and X is hydrogen, fluoro, chloro, methyl, or methoxy.

Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.

Abstract: The present application relates to a preservative comprising caprylic hydroxamic acid, 4?-hydroxyacetophenone, and a polyol for an externally-applied skin preparation, and use thereof, and a preservative for an externally-applied skin preparation according to an aspect exhibits excellent anti-bacterial or anti-septic effect effects against bacteria and fungi. In particular, even though it includes 4?-hydroxyacetophenone and caprylyl glycol as active ingredients, a preservative for an externally-applied skin preparation according to an aspect does not show a deterioration in anti-bacterial or anti-septic effects against bacteria and fungi and maintains significantly excellent anti-bacterial or anti-septic effects, when applied to a cosmetic composition including a surfactant.

Abstract: A system for detecting a defective battery using wireless communications. The system includes first sensors and a first master device. The first sensors are matched on a 1:1 basis with first battery modules to monitor the first battery modules. The first master device communicates with the first sensors. The respective first sensors each include a first monitoring circuit which collects a primary data on a 1:1-matched first battery module in a monitoring mode, and a first communicating circuit which outputs the primary data to the first master device in a communicating mode. The first monitoring circuit is turned off in the communicating mode. The first communicating circuit is turned off in the monitoring mode.

Abstract: The present disclosure relates to a plasticizer composition including a cyclohexane 1,4-diester-based material and a cyclohexane 1,2,4-triester-based material, and may provide a plasticizer maintaining an excellent level of plasticization efficiency when compared with a common phthalate-based plasticizer product and improving mechanical properties, and may also provide a plasticizer having excellent stress resistance as an advantage.

Abstract: The present invention relates to a battery management system and a battery pack and the battery management system according to an embodiment of the present invention includes: a pack voltage sampling unit configured to periodically sample a pack voltage of a battery pack; a pack current sampling unit configured to sample a pack current of the battery pack; and a control unit configured to, after starting to sample the pack voltage of the battery pack, when the pack voltage sampling of the battery pack is completed, record a time from a sampling start time of the pack voltage to a sampling completion time of the pack voltage as a first time, and transmit a voltage sampling synchronization signal for measuring a cell voltage of a battery cell to a plurality of lower-level battery management systems, wherein the control unit performs sampling synchronization on the sampled measurement signal between each lower-level battery management system based on a second time, which is a sampling time at which a cell voltag

Abstract: An apparatus for controlling a slippage rate of a vehicle includes: a vehicle information receiver configured to receive off-road driving information of the vehicle, a target slippage rate estimation unit configured to estimate a target slippage rate value, a wheel slippage rate section corresponding to a maximum traction coefficient, using the off-road driving information, and a storage unit configured to store the target slippage rate value.

Abstract: An auxiliary propulsion apparatus of an air vehicle may include an engine mounted in a fuselage of the air vehicle, a generator configured to be driven using power from the engine, a compressor configured to be driven by the engine or the generator, a battery configured to store electricity generated by the generator, an electricity distributor connected to the generator, the battery and the main propulsion apparatus and configured to distribute electricity generated by the generator to the battery and to a main propulsion apparatus, and at least one nozzle device configured to jet high-pressure gas, supplied from the compressor, to an outside of the fuselage.

Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.

Abstract: A vehicle behavior control method includes: selecting a center of gravity point at which behavior control for a vehicle is to be performed; setting a target roll behavior value and a target pitch behavior value at the selected center of gravity point such that behavior of the selected center of gravity point is less than a predefined reference value; calculating a target roll moment corresponding to the target roll behavior value and a target pitch moment corresponding to the target pitch behavior value; generating a control signal to be transmitted to at least one actuator for following the target roll moment and the target pitch moment; and transmitting the control signal to the at least one actuator to perform control such that the behavior at the selected center of gravity point is less than the predefined reference value.

Abstract: An apparatus for escaping an uneven driving surface for an electric vehicle includes a maximum traction identification portion configured to search for a steering angle at which maximum traction is generated by applying driving torque while rotating the steering wheel. The maximum traction identification portion is also configured to identify maximum wheel torque able to be applied after rotating the steering wheel by the steering angle at which maximum traction is generated. The apparatus also includes an axle weight computation portion configured to repeatedly calculate an axle weight applied to front and rear wheels of a vehicle in which various pitching motions are implemented. The apparatus also includes a driveaway controller configured to receive information from the maximum traction identification portion and the axle weight computation portion and to control escape of the vehicle.

Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.

Abstract: An apparatus and a method for controlling motion of a vehicle to improve turning motion performance are provided. The processor determines a riding position of a user, receives information about a steering angle of the vehicle, and outputs a vehicle control signal with regard to turning motion performance according to at least one of a phase difference between a yaw rate and lateral acceleration or a lateral slip angle with respect to the riding position, based on the received steering angle. A controller controls the vehicle in accordance with the vehicle control signal. The apparatus provides a passenger of the vehicle with optimal turning motion performance.

Abstract: An external connection pad apparatus includes a first pad and a second pad. The first pad has a first surface area. The second pad has a second surface area larger than the first surface area.