Abstract: Disclosed is a method of controlling the operation of a fuel cell triple cogeneration system configured to supply power and cooling heat to a data center, the method including detecting change in a power load or a cooling heat load of the data center and adjusting electrical energy and cooling capacity of the fuel cell triple cogeneration system.

Abstract: A variable coherence illumination device is disclosed. The variable coherence illumination device includes a light source generator configured to emit a beam and configured to control a wavelength of the beam, a focusing lens configured to focus the beam, a first diffuser on which a beam passing through the focusing lens is incident, a second diffuser facing the first diffuser and rotatable around a rotation axis of the second diffuser, in which a focusing region on which the beam passing through the first diffuser is focused by the focusing lens is formed on the second diffuser, in which the focusing region of the second diffuser is spaced apart from the rotation axis of the second diffuser.

Abstract: A novel compound of the Chemical Formula 1 and an organic electroluminescent device including the compound are disclosed.

Abstract: The present invention relates to a secondary battery, in which a sealing property is improved, and a method for manufacturing the same. The secondary battery includes: a can member having an opening; a top cap assembly sealing the opening; a gasket insulating the opening from the top cap assembly; and a hot melt applied to a surface of the gasket, wherein the hot melt has fluidity and viscosity at a predetermined temperature or more and is hardened at a temperature less than the predetermined temperature.

Abstract: A device and a method for measuring a time-resolved thermal image. An embodiment comprises an optical imaging unit comprising a camera and a probe light source, the optical imaging unit emitting a probe optical signal from the probe light source to a sample during a time-resolution time; a control unit for outputting a first trigger signal to the camera, outputting a driving signal to the probe light source such that the probe light source emits the probe light source to the sample during the time-resolution time, outputting a second trigger signal to a bias unit in an turn-on interval, and outputting no second trigger signal to the bias unit in a turn-off interval; and a bias unit for applying a bias signal generated on the basis of the second trigger signal in the turn-on interval to the sample, and applying no bias signal to the sample in the turn-off interval.

Abstract: A heat exchanger apparatus and a heat management system facilitate temperature management of each cooling medium through heat exchange between a refrigerant and a coolant and diversify the flow direction of the coolant by providing a bypass circulation path through which the coolant bypasses the heat exchange with the refrigerant in addition to the circulation path through which the coolant exchanges heat with the refrigerant. As a result, a manifold for a bypass path may be eliminated through which the coolant bypasses the heat exchanger, reducing the number of components, material costs, weight, and the package size of the cooling circuit.

Abstract: An embodiment integrated thermal management system includes a first refrigerant line configured to allow a refrigerant to flow therethrough and including a compressor, an interior heat exchanger, a first expander, an exterior heat exchanger, a second expander, and an evaporator, a second refrigerant line including an integrated heat exchanger, a third refrigerant line, an expansion module configured to allow the refrigerant having passed through the first refrigerant line to flow to the integrated heat exchanger or to flow through the third refrigerant line, a first coolant line connected to the integrated heat exchanger, the first coolant line including a first water pump, a PE component, a first radiator, and a first valve, and a second coolant line connected to the integrated heat exchanger, the second coolant line including a second water pump, a battery, a second radiator, and a second valve.

Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.

Abstract: A secondary battery according to an embodiment of the present disclosure includes an electrode assembly, a battery case that houses the electrode assembly and has an opened upper party, and a cap assembly that is coupled to the opened upper part of the battery case.The cap assembly comprises a safety vent formed with a notch portion, and a gap formed by the notch portion is closed.

Abstract: A cylindrical secondary battery may have an insulation layer formed in a region in which the top cap and the first gasket are coupled to each other. The insulation layer may include a ceramic material and a binder. The secondary battery is designed so that, when an external electrical conductive object is electrically connected directly to a positive electrode and a negative electrode of the secondary battery, an electrode tab of the secondary battery is broken as quickly as possible.

Abstract: A modeling method for designing a flow field of a fuel cell including a membrane electrode assembly including a catalyst layer and an electrolyte membrane, a gas diffusion layer, a flow field, and a bipolar plate includes modeling using a numerical model derived from a governing equation including a mass conservation equation of species, a fluid momentum in a porous media, and a modified Butler-Volmer's equation and outputting an oxygen diffusion characteristic in a catalyst layer from the modeling result.

Abstract: Provided is a method of training a neural network model for calculating an uncertainty index, the method including: obtaining a reference answering data set of a plurality of reference users, calculating expected score information of the reference user from the reference answering data set; obtaining actual score information of the reference user; obtaining a training set on the basis of the reference answering data set, the expected score information, and the actual score information, the training set including label information that is defined as a difference between the expected score information and the actual score information; and training a first neural network model for calculating an uncertainty index related to accuracy of the expected score information of the reference user from the reference answering data set using the training set.

Abstract: An integrated thermal management system for vehicles includes: a first cooling line; a second cooling line; a refrigerant line; and a bypass line configured to diverge from the second cooling line, to be connected to a chiller, and to allow a coolant to bypass a second radiator and to circulate between a high-voltage battery and the chiller.

Abstract: A gasket for a secondary battery includes a base resin and a rust inhibitor, wherein the base resin includes polybutylene terephthalate and the rust inhibitor includes an anti-rust material and a polymer resin, and the base resin and the polymer resin are different.

Abstract: A display apparatus displaying content corresponding to an installation location and a server providing content considering the installation location of the display apparatus are provided. The display apparatus includes: a display; a communication interface configured to communicate with an external server; and a processes configured to control the communication interface to receive, from the external server, content including an element with a large number of expected viewers identified based on at least one of a number of viewers or an installation location, and control the display to display the received content.

Abstract: A secondary battery includes a current interrupt device (CID), a safety vent disposed on the current interrupt device and electrically connected to the current interrupt device, and a CID gasket for surrounding an edge of the current interrupt device. The CID gasket includes reinforcement material, and the reinforcement material includes at least one of glass fiber, carbon fiber, aramid fiber, cellulose, ceramic particles, and a filler.

Abstract: A method for correcting a massage position and a massage chair for performing the same includes allowing a shoulder height measurement module to measure a shoulder height of a user, allowing a hip bone position prediction module to predict a hip bone position through a preset prediction method by using the shoulder height measured by the shoulder height measurement module, allowing a massage position determination module to determine a plurality of determination massage positions and a plurality of correction massage positions spaced from the determination massage positions by a predetermined distance on the basis of the hip bone position predicted by the hip bone position prediction module, and allowing a massage ball assembly control module to control a massage ball assembly so as to massage the determination massage positions and the correction massage positions determined by the massage position determination module.

Abstract: A method for fabricating a semiconductor device includes: forming a first conductive structure over a substrate; forming a multi-layer spacer including a non-conformal sacrificial spacer on both sidewalls of the first conductive structure; forming a second conductive structure adjacent to the first conductive structure with the multi-layer spacer therebetween; forming an air gap by removing the non-conformal sacrificial spacer; forming a capping layer covering the second conductive structure and the air gap; forming an opening that exposes a top surface of the second conductive structure by etching the capping layer; and forming a conductive pad coupled to the second conductive structure in the opening.

Abstract: Disclosed is a massage chair capable of performing acupuncture point massage.

Abstract: The present disclosure relates to a system capable of increasing the accuracy of a prediction result when predicting a user drop-out rate or predicting a correct answer probability of a user in an online learning environment, and further relates to an operation method of the system. A system according to the present disclosure may include a plurality of encoder neural networks and a plurality of decoders, and may input question information to a kth encoder neural network and input response information to kth decoder neural network to learn the system, thereby predicting the user drop-out rate information and the users correct answer probability information with higher accuracy on the basis of the learned system.