Abstract: Disclosed are a system and method for automatically evaluating an essay. The system includes a structure analysis module configured to divide learning data and learner essay text in a predetermined structure analysis unit, generate structure tagging information for each structure analysis unit, and structure the learning data and the learner essay text by attaching the structure tagging information to the learning data and the learner essay text, a learning module configured to generate an essay evaluation model through learning by using essay text that is included in the structured learning data and the structure tagging information as an input value and using an evaluation score that is included in the structured learning data as a label, and an evaluation module configured to generate essay evaluation results using the essay evaluation model.

Abstract: The present invention relates to a novel use of NCKAP1 gene in neurodegenerative diseases. More specifically, the present invention relates to a marker composition for predicting the prognosis of a neurodegenerative disease, comprising a NCKAP1 protein or a gene encoding same, a composition and a kit for predicting the prognosis of a neurodegenerative disease, which comprises a formulation for measuring the level of the protein or an mRNA of the gene encoding same, and a pharmaceutical composition for preventing or treating neurodegenerative disease, comprising the protein or the gene encoding same as an active ingredient.

Abstract: A pixel circuit includes: a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node; a light emitting element including an anode electrode connected to the third node, and a cathode electrode connected to a power line; a first switch element to supply a data voltage of pixel data to the second node; a second switch element to supply an initialization voltage to the second node; a third switch element to supply a reference voltage to the third node; a fourth switch element configured to connect the third node to a power line to reset a voltage of the anode electrode of the light emitting element to the pixel reference voltage; and a capacitor between the second and third node.

Abstract: A pixel circuit includes: a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node; a light emitting element including an anode electrode connected to the third node, and a cathode electrode connected to a power line; a first switch element to supply a data voltage of pixel data to the second node; a second switch element to supply an initialization voltage to the second node; a third switch element to supply a reference voltage to the third node; a fourth switch element configured to connect the third node to a power line to reset a voltage of the anode electrode of the light emitting element to the pixel reference voltage; and a capacitor between the second and third node.

Abstract: A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node, and configured to supply an electric current to a light emitting element; a first switch element discharging the second node; and a second switch element configured to supply a data voltage to the second node. The light emitting element and the first switch element are commonly connected to a VSS node to which a low-potential power supply voltage is applied.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a microphone, a camera, an output device, a memory, and a processor. The processor implements the method, including receiving a voice input and/or capturing an image, and analyze the first voice input or the image to determine at least one of a user's intent, emotion, and situation based on predefined keywords and expressions, identifying a category based on the input, selecting first information based on the category, selecting and outputting a first query prompting confirmation of output of the first information, detect a first responsive input to the first query, and when a condition to output the first information is satisfied, output a second query, detecting a second input responsive to the second query, and selectively outputting the first information based on the second input.

Abstract: Various embodiments relating to a pogo module comprising a pogo pin for maintaining an electrical connection state when an electronic device is rotated and not rotated are disclosed, and according to one embodiment, the pogo module comprises: first and second housings; module circuit boards provided inside the first and second housings; at least one pogo pin provided to the module circuit board and comprising a rotatable structure electrically connected to at least one electrode pattern included in a printed circuit board of the electronic device; and a support body coupled to the module circuit board to support the at least one pogo pin, wherein the rotatable structure can maintain an electrical connection state with the at least one electrode pattern when the electronic device is rotated or not rotated. In addition, various other embodiments are possible.

Abstract: The present invention relates to a self-assembled composite of carbon nitride and graphene oxide, and in particular, to including a self-assembled composite prepared by heat treating a mixed solution dissolving melamine, tri-thiocyanuric acid and graphene oxide (GO) in a positive electrode of a lithium-sulfur battery to suppress elution of lithium polysulfide. According to the present invention, the self-assembled composite containing a pyridinic group in large quantities and having improved conductivity adsorbs lithium polysulfide eluted from a positive electrode during charge and discharge and performs a role of preventing diffusion of the lithium polysulfide, and therefore, lithium-sulfur battery capacity and lifecycle properties can be enhanced by suppressing a shuttle reaction.

Abstract: The present invention relates to a separator for a lithium-sulfur battery having a composite coating layer including polydopamine, and a method for preparing the same, and in particular, to a lithium-sulfur battery suppressing lithium polysulfide elution by using a composite coating layer including polydopamine and a conductive material on one surface of a separator. In the lithium-sulfur battery according to the present invention, a porous structure of polydopamine adsorbs lithium polysulfide eluted from a positive electrode preventing elution and diffusion, and by providing additional electric conductivity, a reaction site of a positive electrode active material is provided, and therefore, battery capacity and life time properties are enhanced.

Abstract: The present invention relates to a binder for a lithium-sulfur secondary battery cathode, and a composition containing the same. The binder of the present application enables a cathode active material electrolyte to have excellent resistance.

Abstract: The present invention relates to an electrolyte containing a polydopamine and a lithium-sulfur battery including the same and, more particularly, to a technique in which polydopamine contained in an electrolyte adsorbs a lithium polysulfide eluted from a positive electrode of a lithium-sulfur battery. When using an electrolyte, according to the present invention, to which polydopamine particles are added, the polydopamine particles dispersed in the electrolyte act to adsorb lithium polysulfide eluted from a positive electrode during the charging and discharging, and thus can suppress the diffusion thereof, i.e., suppress a shuttle reaction, thereby improving the capacity and lifetime characteristics of the lithium-sulfur battery.

Abstract: The present invention relates to a separator for a lithium-sulfur battery having a composite coating layer including polydopamine, and a method for preparing the same, and in particular, to a lithium-sulfur battery suppressing lithium polysulfide elution by using a composite coating layer including polydopamine and a conductive material on one surface of a separator. In the lithium-sulfur battery according to the present invention, a porous structure of polydopamine adsorbs lithium polysulfide eluted from a positive electrode preventing elution and diffusion, and by providing additional electric conductivity, a reaction site of a positive electrode active material is provided, and therefore, battery capacity and life time properties are enhanced.

Abstract: Various embodiments relating to a pogo module comprising a pogo pin for maintaining an electrical connection state when an electronic device is rotated and not rotated are disclosed, and according to one embodiment, the pogo module comprises: first and second housings; module circuit boards provided inside the first and second housings; at least one pogo pin provided to the module circuit board and comprising a rotatable structure electrically connected to at least one electrode pattern included in a printed circuit board of the electronic device; and a support body coupled to the module circuit board to support the at least one pogo pin, wherein the rotatable structure can maintain an electrical connection state with the at least one electrode pattern when the electronic device is rotated or not rotated. In addition, various other embodiments are possible.

Abstract: The present disclosure relates to a lithium sulfur battery comprising a negative electrode and a positive electrode disposed opposite to each other, a separator positioned between the negative electrode and the positive electrode, and a gel polymer electrolyte positioned between the separator and the positive electrode, wherein the gel polymer electrolyte comprises LiNO3. The present disclosure relates to a lithium sulfur battery preventing degeneration caused by a shuttle effect, and the lithium sulfur battery comprises a gel polymer electrolyte configured to inhibit a transfer of a polysulfide-based material to a negative electrode so as to prevent a loss of the polysulfide formed on a positive electrode surface during charge and discharge reactions, whereby, lifespan characteristics of the lithium sulfur battery are capable of being enhanced.

Abstract: The present invention relates to an electrode for a lithium secondary battery, a method for preparing the same, an electrode assembly for a lithium secondary battery comprising the same, and a lithium secondary battery comprising the same, wherein the electrode comprises an electrode active material, an aqueous binder, a compound represented by Formula 1, and a compound represented by Formula 2. Formula 1 and Formula 2 are the same as set forth in the specification. The electrode for a lithium secondary battery improves the physical properties of the aqueous binder in a manner whereby a cross-linking reaction material is combined with the aqueous binder, so that the electrode can improve initial charge/discharge efficiency and the life span of a lithium secondary battery, preferably a lithium sulfur battery, and improve the area capacity of the electrode.

Abstract: A cartridge having a novel structure for guaranteeing stable operational performance of a secondary battery that operates at a high temperature or has improved performance at a high temperature, and a battery module including the cartridge is provided. The battery module includes at least one secondary battery; and a cartridge receiving at least a portion of the secondary battery and configured to be stacked in at least one direction, the cartridge including a heat insulating member.

Abstract: An electronic device includes a housing including a head part that is rotatable, a plurality of microphones disposed in the head part, a sensor for detecting a rotation angle of the head part, a memory storing data classifying feature parameters for each of the plurality of microphones according to a plurality of rotation angles, a motor configured to rotate the head part; and a processor. The processor implements the method, including when detecting sound by the plurality of microphones originating from a sound source, driving the motor to rotate the head part until a designated portion of a surface of the head part is facing the sound source, and when the designated portion of the surface is facing the sound source, adjusting feature parameters for each the plurality of microphones based on the classified feature parameters and a current angle of the head part.

Abstract: The present disclosure relates to an electrode that may minimize an electrical resistance increase caused by a binder polymer or a conductive material used in the electrode and provide a high capacity, a method for manufacturing the same, and an electrochemical device comprising the electrode, and an electrode mix slurry is prepared using a high shearing mixing process for each step such that fine grained conductive material and a binder polymer are uniformly dispersed in an electrode mix, and a high capacity electrode active material is used in the electrode mix, to manufacture a high capacity electrochemical device.

Abstract: The present invention relates to an electrolyte containing a polydopamine and a lithium-sulfur battery including the same and, more particularly, to a technique in which polydopamine contained in an electrolyte adsorbs a lithium polysulfide eluted from a positive electrode of a lithium-sulfur battery. When using an electrolyte, according to the present invention, to which polydopamine particles are added, the polydopamine particles dispersed in the electrolyte act to adsorb lithium polysulfide eluted from a positive electrode during the charging and discharging, and thus can suppress the diffusion thereof, i.e., suppress a shuttle reaction, thereby improving the capacity and lifetime characteristics of the lithium-sulfur battery.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a microphone, a camera, an output device, a memory, and a processor. The processor implements the method, including receiving a voice input and/or capturing an image, and analyze the first voice input or the image to determine at least one of a user's intent, emotion, and situation based on predefined keywords and expressions, identifying a category based on the input, selecting first information based on the category, selecting and outputting a first query prompting confirmation of output of the first information, detect a first responsive input to the first query, and when a condition to output the first information is satisfied, output a second query, detecting a second input responsive to the second query, and selectively outputting the first information based on the second input.