Abstract: A clock generating circuit includes a first frequency multiplier configured to generate a second clock signal having a second frequency based on a first clock signal having a first frequency, and a second frequency multiplier configured to generate a third clock signal having a third frequency based on the second clock signal. The first frequency multiplier includes a circuit configured to control a duty cycle of the first clock signal, a delay circuit configured to receive the duty controlled clock signal, and delay the received signal based on a duty cycle of the second clock signal to output a first delay clock signal, and an XOR gate configured to perform an XOR computation using the duty controlled clock signal and the first delay clock signal to output the second clock signal. The second frequency is greater than the first frequency, and the third frequency is greater than the second frequency.

Abstract: The battery rack includes: a plurality of battery modules; a rack case configured to store the plurality of battery modules; a control unit configured to control charging and discharging of the plurality of battery modules; a data storage unit including a cable configured to transmit data from the control unit and a data recording unit configured to store the data; and a storage unit including an accommodating case having an inside space for accommodating the data recording unit, a plurality of ventilation holes formed by opening a portion of the accommodating case so that the inside space and the outside are communicated with each other, and a cover portion that has a plate shape, is spaced apart from the plurality of ventilation holes by a predetermined interval, and is configured to cover the plurality of ventilation holes.

Abstract: The present disclosure relates to a positive electrode for a lithium secondary battery and a lithium secondary battery including the same, wherein the positive electrode for a lithium secondary battery sequentially includes a first coating layer and a second coating layer on a current collector, and by introducing a patterned layer in a form in which the conductive material is dispersed in the binder between the first coating layer and the second coating layer at a specific area ratio, the safety of the battery is improved, and therefore, when a metal body penetrates the electrode from the outside, not only heat generation due to an overcurrent, ignition, and the like may not occur, but also the adhesive force between layers constituting the positive electrode may be improved, so that the life characteristics of the batteries may be improved.

Abstract: A battery module improves safety by blocking current when the temperature rises, a battery pack includes the battery module, and a vehicle includes the battery pack. The battery module includes two or more battery cells, an electrode assembly having both ends respectively connected to one ends of electrode leads of opposite polarities in a pouch case together with an electrolyte and other ends of the electrode leads are exposed to an outside of the pouch case, wherein the electrode leads and a bus bar connecting a first battery cell and a second battery cell, wherein the bus bar comprises a metal layer and a material layer that is normally conductive but may act as a resistor when a temperature rises, and wherein the material layer comprises a gas generating material that is decomposed at a certain temperature or higher to generate a gas and increase resistance.

Abstract: The present technology relates to a positive electrode for a lithium secondary battery, and the positive electrode includes: a first positive electrode mixture layer contacting a positive electrode current collector; and at least one second positive electrode mixture layer arranged on the first positive electrode mixture layer. Herein, the first positive electrode mixture layer includes a first positive electrode active material and a first binder, and the second positive electrode mixture layer includes a second positive electrode active material and a second binder. Further, an average particle diameter (D50) the first positive electrode active material is smaller than an average particle diameter (D50) of the second positive electrode active material and is equal to or less than 3 ?m, and a specific surface area (BET) of the first positive electrode active material is equal to or greater than 3 m2/g.

Abstract: The present invention relates to a positive electrode for a lithium secondary battery, and a lithium secondary battery including the same. The positive electrode for a lithium secondary battery according to the present invention sequentially includes a first mixture layer and a second mixture layer on a positive electrode current collector, and a heterogeneous fluorine-based binder having different miscibility and molecular weight is used for the first mixture layer and the second mixture layer respectively. Accordingly, it is possible to secure the safety of the battery by increasing the penetration resistance in the case that a metal body such as a nail penetrates the electrode, and the lifespan characteristics of the battery can be improved by enhancing the interface adhesive force of each layer constituting the positive electrode and wettability of the mixture layer to the electrolyte solution at the same time.

Abstract: The present technology relates to a positive electrode for a lithium secondary battery and a lithium secondary battery including the positive electrode. The positive electrode includes: a safety function layer arranged on a positive electrode current collector; and a positive electrode mixture layer arranged on the safety function layer. Herein, the safety function layer is formed of a multi-layer structure of two or more layers including a first safety function layer contacting the positive electrode current collector, and a second safety function layer arranged on the first safety function layer, and the second safety function layer is obtained by mixing a composition of the first safety function layer with a composition of the positive electrode mixture layer.

Abstract: An automated material handling system includes: at least one state detecting sensor disposed inside or outside the carrier to detect an internal state of the carrier including a degree of pollution in the carrier; a carrier interface to transmit a carrier state value; a carrier controller including a controller interface disposed on the plate to obtain a carrier state value by communicating with the carrier interface, and a carrier control unit configured to generate carrier management information including the carrier state value obtained through the controller interface and current location information of the carrier and output the carrier management information to a server; and a server configured to analyze an internal pollution state of the carrier based on the carrier management information provided by the carrier controller.

Abstract: Disclosed is an electronic device. The electronic device includes a processor configured to execute one or more instructions stored in a memory to: control a receiver to receive a speech signal; determine whether the received speech signal includes speech signals of a plurality of different speakers; when the received speech signal includes the speech signals of the plurality of different speakers, detect feature information from a speech signal of each speaker; determine relations between pieces of speech content of the plurality of different speakers, based on the detected feature information; determine a response method based on the determined relations between the pieces of speech content; and control the electronic device such that an operation of the electronic device is performed according to the determined response method.

Abstract: An ultrasonic includes: a piezoelectric layer; an absorbing layer disposed at a lower portion of the piezoelectric layer, configured to absorb an acoustic signal; and a connection part disposed between the piezoelectric layer and the absorbing layer. The connection part may deform at least partially so that a plurality of acoustic signals radiated from the piezoelectric layer due to the connection part have different magnitudes. In the case of the ultrasonic probe, since the magnitude of the acoustic energy radiated from the center of the ultrasonic probe is larger than the magnitude of the acoustic energy radiated from the side of the ultrasonic probe, the directivity of the ultrasonic signal is improved and a side lobe is decreased. In addition, an apodization effect capable of suppressing overlapping between adjacent phases can be obtained by using a difference in the magnitude of the acoustic energy to be radiated.

Abstract: A catalyst structure includes: (1) a substrate; (2) a catalyst layer on the substrate; and (3) an adhesion layer disposed between the substrate and the catalyst layer. In some implementations, an average thickness of the adhesion layer is about 1 nm or less. In some implementations, a material of the catalyst layer at least partially extends into a region of the adhesion layer. In some implementations, the catalyst layer is characterized by a lattice strain imparted by the adhesion layer.

Abstract: A clock generating circuit includes a first frequency multiplier configured to generate a second clock signal having a second frequency based on a first clock signal having a first frequency, and a second frequency multiplier configured to generate a third clock signal having a third frequency based on the second clock signal. The first frequency multiplier includes a circuit configured to control a duty cycle of the first clock signal, a delay circuit configured to receive the duty controlled clock signal, and delay the received signal based on a duty cycle of the second clock signal to output a first delay clock signal, and an XOR gate configured to perform an XOR computation using the duty controlled clock signal and the first delay clock signal to output the second clock signal. The second frequency is greater than the first frequency, and the third frequency is greater than the second frequency.

Abstract: The present disclosure relates to a novel Lactobacillus plantarum CJLP475 strain having acid-resistance, bile-resistance and an immune-enhancing activity, and a composition including the same.

Abstract: The present disclosure relates to a composition comprising a Lactobacillus plantarum CJLP475 strain deposited under Accession No. KCCM12287P; and a Lactobacillus plantarum CJLPl7 strain deposited under Accession No. KCCM12249P, and use thereof.

Abstract: Disclosed is an electronic device. The electronic device includes a processor configured to execute one or more instructions stored in a memory to: control a receiver to receive a speech signal; determine whether the received speech signal includes speech signals of a plurality of different speakers; when the received speech signal includes the speech signals of the plurality of different speakers, detect feature information from a speech signal of each speaker; determine relations between pieces of speech content of the plurality of different speakers, based on the detected feature information; determine a response method based on the determined relations between the pieces of speech content; and control the electronic device such that an operation of the electronic device is performed according to the determined response method.

Abstract: The present disclosure relates to a composition comprising a Lactobacillus plantarum CJLP475 strain deposited under Accession No. KCCM12287P; and a Lactobacillus plantarum CJLP243 strain deposited under Accession No. KCCM11045P, and use thereof.

Abstract: A battery rack includes a plurality of battery modules respectively having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, and a separation bracket mounted at the rear of the rack case and configured to secure a predetermined separated space at the rear of the rack case.

Abstract: A battery rack with increased durability to prevent a rack case from being deformed or broken by external impacts during delivery. To achieve the above-described object, the battery rack includes a plurality of battery modules arranged in a first direction, at least one rack case including a plurality of rack frames configured to mount the plurality of battery modules, and at least one fixing frame including a body in the shape of a plate extending along the plurality of battery modules and a fixing portion formed on one surface of the body and configured to be attached and detached to/from each of the plurality of battery modules.

Abstract: The present invention provides an electrode assembly comprising: a radical unit provided with first and second electrodes stacked with a separator therebetween, wherein the first electrode is stacked at the outermost side; and a safety unit disposed on the outermost surface of the radical unit, wherein the safety unit comprises: a first safety plate disposed above the outermost surface of the radical unit; and a first semiconductor material provided between the radical unit and the first safety plate, wherein the first semiconductor material changes from an insulator to a conductor at the first set temperature or more to connect the radical unit to the first safety plate, thereby dissipating heat of the radical unit while conducting the heat to the first safety plate.

Abstract: The present disclosure relates to a novel Lactobacillus plantarum CJLP17 strain having acid resistance, bile resistance, and an immune-enhancing activity, and to a composition comprising the Lactobacillus plantarum CJLP17 strain.