Abstract: The present invention provides a fabrication method of a positive electrode for a secondary battery, including: (a) heating a slurry composition for a positive electrode containing a positive electrode active material, a binder, and a solvent to a temperature lower than a boiling point (Tb) of the solvent; (b) applying the heated slurry composition for a positive electrode onto a current collector; and (c) cooling the applied slurry composition for a positive electrode.

Abstract: Provided is a high-density electrode and a method of manufacturing the same. An electrode for a secondary battery includes an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector. The electrode active material layer includes an H1 region, an H2 region and an H3 region sequentially provided from an end of the electrode active material layer toward a center. The H2 region includes an inclined section in which a thickness increases from the H1 region toward the H3 region, and the electrode satisfies the following formulas (1) and (2), 0.2?h1/h2?0.7 . . . (1), h2/h3?0.9 . . . (2), where h1 is an average thickness of the H1 region, h2 is an average thickness of the H2 region, and h3 is an average thickness of the H3 region.

Abstract: The present invention provides a fabrication method of a negative electrode for a secondary battery, including: (a) heating a slurry composition for a negative electrode containing a negative electrode active material, a binder, and a solvent to a temperature lower than a boiling point (Tb) of the solvent; (b) applying the heated slurry composition for a negative electrode onto a current collector; and (c) cooling the applied slurry composition for a negative electrode.

Abstract: An electrode for lithium secondary battery and a method of manufacturing the same are disclosed. The electrode for lithium secondary battery comprised of an electric collector formed of a metal and a slurry coated on a portion of the electric collector includes a coated part including the portion of the electric collector, on which the slurry is coated, and the slurry, and an uncoated part including a remaining portion of the electric collector on which the slurry is not coated. The uncoated part includes a first uncoated part extended from the coated part and a second uncoated part extended from the first uncoated part and including a tab connection portion coupled to an electrode tab. A tensile strength of the first uncoated part is greater than a tensile strength of the tab connection portion.

Abstract: The present invention provides a fabrication method of a multilayer electrode for a secondary battery including: (a) preparing two or more electrode slurries each containing an electrode active material, a binder, and a solvent and heating at least one electrode slurry selected from the prepared two or more electrode slurries to a temperature lower than a boiling point (Tb) of the solvent contained in the selected electrode slurry; (b) coating the two or more electrode slurries on a current collector; and (c) cooling the coated two or more electrode slurries.

Abstract: The present invention relates to a room-temperature multiferroicity material, a method for preparing same, and an electronic device comprising same. According to an example embodiment of the present invention, a room-temperature multiferroicity material according to an aspect of the present disclosure comprises a compound in chemical Formula (2) below in a compound matrix in chemical formula (1) below. Chemical formula (1) (Pb1-xTMx)Fe1/2Nb1/2O3 (in chemical formula (1), TM comprises at least one selected from the group consisting of Fe, Ni and Co, and x is a number greater than 0 and smaller than 1). Chemical formula (2) ABO3 (in chemical formula (2), A comprises at least one selected from the group consisting of Pb, Bi and Ba, and B comprises Ti and/or Zr).

Abstract: The present invention provides a fabrication method of a multilayer electrode for a secondary battery including: (a) preparing two or more electrode slurries each containing an electrode active material, a binder, and a solvent and heating at least one electrode slurry selected from the prepared two or more electrode slurries to a temperature lower than a boiling point (Tb) of the solvent contained in the selected electrode slurry; (b) coating the two or more electrode slurries on a current collector; and (c) cooling the coated two or more electrode slurries.

Abstract: A battery management apparatus may include a buck converter configured to generate a driving voltage based on a voltage of a battery pack, a comparator configured to compare a divided voltage generated based on the voltage of the battery pack with a reference voltage and control an operation of the buck converter based on a result of the comparison, and a detector configured to detect whether the battery pack and a target device are connected and control an operation of the comparator based on a result of the detection. A battery management device and a method for operating the same may prevent over-discharge of a battery cell, and the efficiency of the battery management device may be increased.

Abstract: An electrode for a secondary battery includes: an electrode current collector; and an electrode mixture layer formed on at least one surface of the electrode current collector. Based on a region corresponding to 50% of a thickness of the electrode mixture layer in a direction in which the electrode mixture layer is formed from a surface of the electrode current collector, a ratio (B/A) of cohesive force (A) between an electrode active material and a binder or between adjacent binders included in a lower region, and cohesive force (B) between an electrode active material and a binder or between adjacent binders included in an upper region is less than 1.5.

Abstract: A storage device may include: a memory device for extracting bits having a first logic value among bits included in data received from outside the memory device, generating a plurality of compressed data chunks including the bits comprising the first logic value and position information representing positions of the bits having the first logic value in the data, and outputting the plurality of compressed data chunks in response to a data output command; and a memory controller for receiving the plurality of compressed data chunks from the memory device, and recovering the data, based on the bits having the first logic value, which are included in the plurality of compressed data, and the position information.

Abstract: A negative electrode, and a method and apparatus for manufacturing a negative electrode, are provided. The apparatus for manufacturing a negative electrode includes a pair of magnet plates including an upper magnet plate and a lower magnet plate respectively disposed above and below a plane (e.g., X-Y plane) in which the negative electrode moves in a direction (e.g., X-axis direction). In the magnet plate, first and second vertical unit magnets and first and second horizontal unit magnets with magnetic force lines having different directions are arranged, and a direction of magnetic force lines of the unit magnets changes by 90 degrees in a second direction (e.g., Y-axis direction). The upper and lower magnet plates have opposite polarities, and the upper and lower magnet plates have constant magnetic force in the first direction and a magnetic force changing in the second direction.

Abstract: The present disclosure relates to an anode for a secondary battery, a method of manufacturing the anode, and a lithium ion secondary battery including the anode. An anode includes an anode mixture layer on at least one surface of an anode current collector, with pores inside the anode mixture layer having a Z-tensor value of 0.33 or more. In addition, a method of manufacturing the anode and a lithium ion secondary battery including the anode are provided.

Abstract: A circuit and diagnosis method capable of individually diagnosing abnormality of a plurality of internal FETs constituting a MOSFET provided between a secondary battery pack and an electric vehicle. Voltage at both ends of each of the internal FETs is measured while individually turning ON/OFF the internal FETs, and is compared with a diagnosis table in order to determine abnormality thereof.

Abstract: A multilayer electrode includes a current collector, a first electrode mixture layer disposed on at least one surface of the current collector, and a second electrode mixture layer disposed on the first electrode mixture layer. The first and second electrode mixture layers include one or more types of conductive materials. A porosity of the conductive material contained in the second electrode mixture layer is greater than that of the conductive material contained in the first electrode mixture layer. Ion mobility to the inside of an electrode may be improved while maintaining electrical conductivity, by including a conductive material having a relatively great average particle diameter and pores in the conductive material itself. Output characteristics of a lithium secondary battery and charging and discharging performance may be improved.

Abstract: A storage device may include: a memory device for extracting bits having a first logic value among bits included in data received from outside the memory device, generating a plurality of compressed data chunks including the bits comprising the first logic value and position information representing positions of the bits having the first logic value in the data, and outputting the plurality of compressed data chunks in response to a data output command; and a memory controller for receiving the plurality of compressed data chunks from the memory device, and recovering the data, based on the bits having the first logic value, which are included in the plurality of compressed data, and the position information.

Abstract: A memory device may include a data receiver configured to receive a plurality of read data chunks from a plurality of memory areas which transmit and receive data through one channel, a data compressor configured to generate a plurality of compressed data chunks from each of the plurality of read data chunks and a data output unit configured to simultaneously output the plurality of compressed data through the channel in response to a data output command.

Abstract: The present technology relates to an electronic device. A memory device according to the present technology may include a first plane, a second plane, a data input/output circuit, and an encoder. The data input/output circuit may output data read from the first and second planes. The encoder may compress second data read from the second plane while first data read from the first plane is being output. The data input/output circuit may output the compressed second data after outputting the first data.

Abstract: The present disclosure relates to an anode for a secondary battery, a method of manufacturing the anode, and a lithium ion secondary battery including the anode. The anode includes an anode mixture layer on at least one surface of an anode current collector, with pores inside the anode mixture layer having a Z-tensor value of 0.33 or more. In addition, a method of manufacturing the anode and a lithium ion secondary battery including the anode are provided.

Abstract: A memory device comprises a command decoding unit configured to generate a command by decoding an input signal applied to a first pad, wherein whether the command decoding unit is to be disabled is selected based on whether an operating state signal is activated, an operating state control unit configured to activate or deactivate the operating state signal in response to a set signal applied to the first pad, and an internal operation execution unit configured to perform a set internal operation in response to the command.

Abstract: A ring-type wearable device is disclosed. The disclosed ring-type wearable device comprises: an outer ring member; an inner ring member separably inserted into the outer ring member; a sensor unit disposed in the outer ring member; and a control unit disposed in the outer ring member so as to be electrically connected to the sensor unit, wherein the sensor unit can maintain constant sensitivity in correspondence to the thickness of the inner ring member.