Abstract: A cathode active material for lithium secondary batteries having a multiphase structure and a manufacturing method thereof are disclosed. The cathode active material includes a lithium oxide according to the chemical formula Li1+xMn2O4 and having a multiphase structure including at least a cation-disordered rock salt (DRX) structure. In the formula, x satisfies the relationship 0?x?0.75.

Abstract: A method of securing a home network system applied to an apartment building includes providing a home server connected to a network, a plurality of home network devices, a VPN server installed between the home server and the home network devices, and VPN gateways individually installed for the home network devices. The method also includes extracting an IP and a MAC address of a connected device using a local packet analyzer by means of VPN gateways. The method also includes detecting alteration of the IP or the MAC address of the connected device using a connection log table by means of the VPN gateways. The method also includes defining and blocking the connected device as an unauthorized device by means of a communication blocker of the VPN gateways when an alteration ratio of the IP or the MAC address of the connected device is a predetermined danger ratio or more.

Abstract: A sensor for measuring a temperature change amount. The sensor includes a first composite material layer including a polymer having a volume changing according to a temperature change amount; an electrode layer provided on one side of the first composite material layer and capable of representing the temperature change amount as a resistance change amount; and a second composite material layer at least partially provided on the upper side of the first composite material layer and containing polydimethylsiloxane (PDMS) and at least one of carbon nanotubes (CNT), boron nitride nanotubes (BNNT), and graphene or containing a thermoplastic polyurethane (TPU) so that the temperature change occurring on one side thereof is transferred to the other side thereof.

Abstract: A vehicle and an acceleration limit control method thereof, includes obtaining a driving score of a driver, determining a driving score change amount of the driver based on traveling information measured or generated when the vehicle is driving, determining a current driving score based on the determined change amount of the driving score and the obtained driving score, and setting an acceleration limit level or changing a preset acceleration limit level based on the determined current driving score.

Abstract: Disclosed are methods, apparatuses, and systems for controlling a valet mode of a vehicle. The method may include activating a valet mode, determining a parking environment of the vehicle being parked in a parking area, when the valet mode is set. Based on the parking environment of the vehicle, a first signal or a second signal may be output. The first signal may be configured to permit parking of the vehicle in the parking area. The second signal may be configured to prohibit parking of the vehicle in the parking area. Determining the parking environment of the vehicle may include determining, based on the parking environment, whether to limit a vehicle control of the vehicle and/or a degree of limit of the vehicle control.

Abstract: A method for providing oracle service of a blockchain network by using zero-knowledge proof includes steps of: (a) in response to feeder terminals registering data feeder transactions, including commitments generated with a commitment key and off-chain data, encrypted data generated by encrypting the off-chain data with a public key and data validation values proving with feeder zero-knowledge proof keys that the commitments are identical to the off-chain data, onto the blockchain network, the aggregator terminal acquiring at least one data feeder transaction therefrom; (b) the aggregator terminal verifying data validation values with its corresponding feeder zero-knowledge proof key, decrypting encrypted data with a private key, generating on-chain data from the decrypted data using a calculator and calculation validation values proving with an aggregator zero-knowledge proof key that the on-chain data is generated from the decrypted data, and registering the on-chain data and the calculation validation valu

Abstract: The present invention relates to a method for culturing skin-derived stem cells and uses of the same, particularly to a method for culturing skin-derived stem cells; skin-derived stem cells prepared by the method; and a pharmaceutical composition for skin regeneration or wound treatment; a quasi-drug composition; and a cosmetic composition, which contain the prepared skin-derived stem cells, a culture of the skin-derived stem cells, or cells differentiated from the skin-derived stem cells as an active ingredient. According to the culture method of the present invention, stem cells can be effectively isolated and obtained from skin tissue, and the obtained skin-derived stem cells have excellent pluripotency and self-replication ability as well as excellent skin regeneration and wound treatment effects and can be usefully utilized for skin regeneration and wound treatment or improvement.

Abstract: The present invention relates to a method for culturing hair follicle-derived stem cells and uses thereof, particularly to a method for culturing hair follicle-derived stem cells; hair follicle-derived stem cells prepared by the method; and a pharmaceutical composition for hair loss treatment or hair growth promotion; a quasi-drug composition; and a cosmetic composition, which contains the prepared hair follicle-derived stem cells, a culture of the hair follicle-derived stem cells, or cells differentiated from the hair follicle-derived stem cells as an active ingredient. According to the culture method of the present invention, stem cells can be effectively isolated and obtained from hair follicle tissue, and the obtained hair follicle-derived stem cells have excellent pluripotency and self-replication ability as well as excellent hair loss treatment and hair growth promotion effects and can be usefully utilized for hair loss improvement, prevention, or treatment.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: The present invention relates to squid-derived peptides and uses thereof and, more specifically, to uses of squid-derived peptides squidtocin and pro-sepiatocin for prevention or treatment of V1B receptor-related diseases. It has been confirmed that the squidtocin and pro-sepiatocin according to the present invention have an effect of inducing activation of a V1B receptor which is a type of vasopressin receptor. The V1B receptor which is a type of vasopressin receptor is present in the anterior pituitary and in the hippocampal CA2 region, and it is known that the V1B receptor increases intracellular calcium concentration and is involved in response to stress and sociality. Accordingly, the squidtocin and the pro-sepiatocin according to the present invention can be used in various ways in the field of prevention, amelioration, or treatment of V1B receptor-related diseases.

Abstract: An anode for a secondary battery includes an anode current collector, a first anode active material layer disposed on at least one surface of the anode current collector and including a first anode active material that includes a first silicon composite oxide, and a second anode active material layer disposed on the first anode active material layer and including a second anode active material that includes a second silicon composite oxide. Each of the first silicon composite oxide and the second silicon composite oxide includes a metal. A BET specific surface area of each of the first silicon composite oxide and the second silicon composite oxide is in a range from 2.0 m2/g to 6.5 m2/g.

Abstract: Disclosed may be a method for evaluating valet mode driving of a vehicle. The method includes determining whether or not a valet mode entry condition may be satisfied, determining a plurality of driving evaluation factors for valet parking based on at least one of a vehicle status or a driving environment, upon determining that the valet mode entry condition may be satisfied, calculating a valet driving evaluation score by analyzing the determined driving evaluation factors and collecting result values acquired through analysis, and displaying the calculated valet driving evaluation score.

Abstract: A wire transfer device is provided. The wire transfer device includes a frame, a bobbin connected to the frame and on which a wire is configured to be wound; a holder including a first end connected to the wire and a second end opposite to the first end and configured to be connected to foil; and a guide roller configured to guide a movement path of the wire or the holder. The guide roller includes a groove region for accommodating the wire and a protruding region extending from the groove region and configured to contact with the holder.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: A heat generating fabric for curing outer wall concrete is provided and more specifically, to a heat generating fabric for curing outer wall concrete and an outer wall concrete curing method using the same, wherein the heat generating fabric has the effects of: enabling concrete curing even in winter; having a uniform temperature distribution; having excellent flexibility, and thus excellent adhesion when applied to a concrete structure having a stepped region; having excellent heat insulating performance; enabling uniform curing even to the inside of concrete; having remarkably little change in material properties after generating heat; and having excellent durability.

Abstract: A heating fabric for curing inner wall concrete is provided and; more specifically, to a heating fabric for curing inner wall concrete and a method for curing inner wall concrete by using same, wherein the heating fabric has the effects of: enabling concrete curing even in winter; having a uniform temperature distribution; having excellent flexibility, and thus excellent adhesion when applied to a concrete structure having a stepped region; having excellent heat insulating performance; enabling uniform curing even to the inside of concrete; having remarkably little change in material properties after generating heat; and having excellent durability.

Abstract: Provided is a system and method for interaction analysis of virtual space. The system for interaction analysis of virtual space includes an interaction data collection unit which collects interaction data of at least one user participating in virtual space in which virtual content is implemented, an interaction data storage unit which synchronizes and stores the collected interaction data, and an interaction data analysis unit which provides an analysis mode of the interaction data.

Abstract: The present invention relates to a method for regenerating a catalyst that can effectively remove a poison bound to a catalyst without chemical injury while minimizing the loss of catalytically active components through a process with improved efficiency, whereby the regenerated catalyst may exhibit excellent denitrification performance.

Abstract: Provided is a system and method for interaction analysis of virtual space. The system for interaction analysis of virtual space includes an interaction data collection unit which collects interaction data of at least one user participating in virtual space in which virtual content is implemented, an interaction data storage unit which synchronizes and stores the collected interaction data, and an interaction data analysis unit which provides an analysis mode of the interaction data.

Abstract: The present invention relates to a method for regenerating a catalyst that can effectively remove a poison bound to a catalyst without chemical injury while minimizing the loss of catalytically active components through a process with improved efficiency, whereby the regenerated catalyst may exhibit excellent denitrification performance.