Abstract: Disclosed is a battery management apparatus capable of effectively reducing the current consumption of a component for waking up a microcontroller unit. The battery management apparatus includes a wake-up unit, a first power supply path, a first regulator, a first switching element, a feedback module, and a microcontroller unit configured to convert a sleep mode to a wake-up mode by receiving a wake-up signal from the wake-up unit and connected to the feedback module to turn off the first switching element.

Abstract: Proposed is a seismic-resistant joint structure of a PC column and a PC beam using a steel bracket, in which a steel bracket is installed on a PC column by protruding therefrom to mount a PC beam to the PC column so that the PC column and the PC beam are simply joined by using a bolt fastening method, thereby reducing construction and finishing work while preventing accidents to shorten a construction period, and enabling the implementation of the performance of an intermediate moment frame or higher.

Abstract: The present invention comprises: a magnetic circuit module forming a magnetic gap; a voice coil part which is disposed in the magnetic gap and vibrates along a vibration axis; and an excitation module which is connected to the voice coil part and includes a shaft extending along the vibration axis, wherein the volume of a speaker is minimized and the position relative to a vibrated object can be changed to select the desired sound quality.

Abstract: Disclosed is a battery management apparatus capable of effectively reducing the current consumption of a component for waking up a microcontroller unit. The battery management apparatus includes a wake-up unit, a first power supply path, a first regulator, a first switching element, a feedback module, and a microcontroller unit configured to convert a sleep mode to a wake-up mode by receiving a wake-up signal from the wake-up unit and connected to the feedback module to turn off the first switching element.

Abstract: A solid-state battery includes a battery body including first and second surfaces opposing in a first direction of the battery body, and having a positive electrode layer including a positive electrode current collector and a positive electrode active material layer, a solid electrolyte layer, and a negative electrode layer including a negative electrode current collector and a negative electrode active material layer; a positive terminal connected to the positive electrode layer and disposed on the first surface of the battery body; and a negative terminal connected to the negative electrode layer and disposed on the second surface of the battery body. The positive active material layer includes lithium cobalt phosphate (LCP). The solid electrolyte layer includes a lithium aluminum germanium phosphate (LAGP) solid electrolyte represented as Li1+x AlxGe2?x(PO4)3(O<x<1).

Abstract: An all solid state battery includes a battery body including first and second surfaces opposing each other in a first direction of the battery body, third and fourth surfaces opposing each other in a second direction of the battery body, and fifth and sixth surfaces opposing each other in a third direction of the battery body, a solid electrolyte layer, and a cathode layer and an anode layer stacked in the third direction with the solid electrolyte layer therebetween, a cathode penetration electrode, and an anode penetration electrode opposing the cathode penetration electrode in the second direction; a cathode terminal; and an anode terminal. An average margin of the cathode layer from an edge of the cathode layer to the third surface in the second direction is within a range of 15% or more and 30% or less of an average width of the battery body in the second direction.

Abstract: An apparatus for controlling current consumption of a battery management system (BMS) managing a battery pack, including an input unit including a logic element to which a charger connection signal and an always constant power source off signal are input, an operation unit including a control circuit, the control circuit including a plurality of switches, a plurality of operational amplifiers, and a plurality of resistance elements, and the operation unit generates a current consumption control signal for at least one component in the BMS according to an output of the logic element and an output voltage of the battery pack.

Abstract: A all-solid-state battery includes a first battery cell in which a negative electrode current collector including a negative electrode lead portion, a first negative electrode layer, a first solid electrolyte layer and a first positive electrode layer are sequentially stacked, a second battery cell in which a second positive electrode layer, a second solid electrolyte layer and a second negative electrode layer are sequentially stacked, a third battery cell in which a third negative electrode layer, a third solid electrolyte layer, a third positive electrode layer, and a positive electrode current collector including a positive electrode lead portion are sequentially stacked, a first connection electrode connected to the first positive electrode layer and the second negative electrode layer, and a second connection electrode connected to the second positive electrode layer and the third negative electrode layer. The first to third battery cells are connected in series.

Abstract: An all-solid-state battery includes an electrode assembly including a solid electrolyte layer and first and second internal electrodes stacked with the solid electrolyte layer interposed therebetween, a first external electrode connected to the first internal electrode, and a second external electrode connected to the second internal electrode. The first internal electrode and the second internal electrode include the same active material, and the active material includes a compound having an olivine-type crystal structure.

Abstract: An all-solid-state battery includes a electrode assembly including a laminate comprising a solid electrolyte layer, and a negative electrode layer and a positive electrode layer stacked with the solid electrolyte layer interposed therebetween, and an insulating member, the laminate being wound around the insulating member in such a manner that one surface of the negative electrode layer and/or the positive electrode layer is parallel to a central axis of the insulating member in a stacking direction thereof, a negative terminal connected to the negative electrode layer, and a positive terminal connected to the positive electrode layer. When a direction of the central axis of the insulating member is a third direction, the negative terminal is disposed on one surface of the electrode assembly in the third direction, and the positive terminal is disposed on the other surface of the electrode assembly in the third direction.

Abstract: An all-solid-state battery includes a battery body having first and second surfaces in a first direction, third and fourth surfaces in a second direction, and fifth and sixth surfaces in a third direction. The battery body including a solid electrolyte layer, and an electrode assembly in which a positive electrode layer and a negative electrode layer are stacked in the third direction, a first positive terminal disposed on the first surface and connected to the positive electrode layer, and a first negative terminal also disposed on the first surface but connected to the negative electrode layer. The positive electrode layer includes a first positive electrode lead portion extending from the positive electrode layer and connected to the first positive terminal, and the negative electrode layer includes a first negative electrode lead portion extending from the negative electrode layer and connected to the first negative terminal.

Abstract: An apparatus and method for preventing overcharge of a secondary battery that prevents the overcharge of a Starting Lighting Ignition (SLI) battery, which can be applied to both a regulated system with a voltage regulator and an unregulated system without a voltage regulator, by regulating the voltage applied to the cell assembly.

Abstract: A battery apparatus includes: a plurality of battery cells; a battery management system (BMS) for managing the plurality of battery cells; and a connection controller for sequentially connecting the plurality of battery cells to the BMS, and the connection controller connects a corresponding battery cell to the BMS according to a potential of a lower battery cell and a potential of the corresponding battery cell.

Abstract: A battery pack according to an embodiment includes a case in which a plurality of battery cells are accommodated, and a battery management system (BMS) for detecting damage to the case, wherein the BMS includes a voltage output terminal for outputting a predetermined voltage, a ground terminal, and a voltage measurement terminal for measuring voltage, wherein the case includes a conductive member having a first end connected to the voltage output terminal of the BMS and a second end connected to the ground terminal of the BMS, and a sensing wire having a first end connected to the conductive member and a second end connected to a voltage measurement terminal of the BMS, the conductive member being provided between one surface inside the case and the other surface opposite to the one surface.

Abstract: Disclosed is a battery management apparatus capable of effectively reducing the current consumption of a component for waking up a microcontroller unit. The battery management apparatus includes a wake-up unit, a first power supply path, a first regulator, a first switching element, a feedback module, and a microcontroller unit configured to convert a sleep mode to a wake-up mode by receiving a wake-up signal from the wake-up unit and connected to the feedback module to turn off the first switching element.

Abstract: A battery pack according to an embodiment of the present invention includes a (+) output terminal of the battery pack, a (?) output terminal of the battery pack, a (?) line connecting the (?) output terminal to a (?) terminal of a battery cell constituting the battery pack, a pre-charge FET provided on the (?) line, a system contact terminal configured to check whether the external system is connected, a battery management system (BMS), and a charge/discharge FET configured to charge or discharge the battery pack under a control of the BMS, wherein the pre-charge FET and the charge/discharge FET are connected in parallel.

Abstract: The present invention relates to a voltage recognition system of a starting battery and a method of recognizing an off state of an external system using the same, and more particularly, to a driving system of a starting battery and a method of recognizing an off state of an external system using the same, which make it possible to start an engine next time by recognizing the off state of the external system in an overvoltage state according to whether there occurs a difference between values of voltages measured by two ADCs having different positions of ground GND without requiring a current sensor.

Abstract: A data-based nuclear power plant design basis management system and a method therefor are disclosed. According to an embodiment of the present invention, the data-based nuclear power plant design basis management system comprises a database for storing: information on a plurality of design basis for defining a design basis document for configuration management in a nuclear power plant; information on a category, corresponding to each of the design basis, among a plurality of categories; and an associative relationship between the plurality of design basis, wherein the plurality of categories includes design requirements (REQ), at least one design basis specification (DBS) for satisfying the REQ, and the like.

Abstract: A hot-work mold steel includes 0.37 to 0.46 wt % of carbon (C), 0.25 to 0.5 wt % of silicon (Si), 0.36 to 0.56 wt % of manganese (Mn), 2.0 to 5.0 wt % of chromium (Cr), 1.4 to 2.6 wt % of molybdenum (Mo), 0.4 to 0.8 wt % of vanadium (V), 0.0007 to 0.004 wt % of boron (B), 0.002 to 0.022 wt % of aluminum (Al), 0.001 to 0.09 wt % of titanium (Ti) and the remainder of iron (Fe) and inevitable impurities. The hot-work mold steel exhibits superior thermal conductivity, hardenability, durability, and nitriding characteristics, and increased resistance to heat check and melt-out. A die-casting mold made of the steel has improved thermal conductivity regardless of mold size and a prolonged life cycle and can improve the surface quality in manufactured parts.

Abstract: An apparatus and method for preventing overcharge of a secondary battery that prevents the overcharge of a Starting Lighting Ignition (SLI) battery, which can be applied to both a regulated system with a voltage regulator and an unregulated system without a voltage regulator, by regulating the voltage applied to the cell assembly.