Abstract: A negative electrode, a method of manufacturing a negative electrode, a negative electrode slurry, and a secondary battery including the negative electrode are disclosed. The negative electrode includes a negative electrode current collector and a negative electrode active material layer on a surface of the negative electrode current collector. The negative electrode active material layer includes a silicon-containing active material. The silicon-containing active material comprises silicon-containing particles including SiOx, wherein 0<x<2, and Li. The negative electrode includes 0.05 part by weight or more and 1.5 parts by weight or less of one or more element selected from the group consisting of aluminum, boron, zinc and zirconium, based on 100 parts by weight of a total weight of the negative electrode active material layer. The negative electrode includes a structure where one or more element selected from the group consisting of aluminum, boron, zinc and zirconium are bound to oxygen.

Abstract: Disclosed is a display device including a first output part, a second output part, a power supply circuit connected to input terminals of the first output part and the second output part, a first sensing part connected to an output terminal of the first output part, a second sensing part connected to an output terminal of the second output part, a first voltage output terminal connected to the first sensing part and the second sensing part, a plurality of pixels connected to the first voltage output terminal and configured to display an image, and a defect determination part controlling shutdown of the power supply circuit by comparing a first sensing value and a second sensing value, which are received from the first sensing part and the second sensing part, with a first reference value and a second reference value having a level lower than the first reference value.

Abstract: A negative electrode active material including silicon-containing oxide particles, in which the silicon-containing oxide particles include Si, Li and Mg is disclosed. An amount of Li is larger than a content of Mg, and an amount of Mg is more than 0 wt % and 0.5 wt % or less based on 100 wt % of the negative electrode active material. A negative electrode including the negative electrode active material, and a secondary battery including the negative electrode are also disclosed.

Abstract: A negative electrode active material including silicon-containing oxide particles, in which the silicon-containing oxide particles include silicon and a Li dopant and include a first covering layer and a second covering layer on the surface of the silicon-containing oxide particles. Each of the first covering layer and the second covering layer is independently a carbon layer. The negative electrode active material also includes an irreversible material formed by doping the silicon-containing oxide with Li absent between the first covering layer and the second covering layer, or each of LiOH and LizCO3 is present between the first covering layer and the second covering layer in an amount of less than 1 wt % based on 100 wt % of a total amount of the negative electrode active material.

Abstract: A manufacturing method of a negative electrode including steps of preparing a preliminary negative electrode slurry including a negative electrode active material and a conductive material; adding an acid to the preliminary negative electrode slurry and mixing to form a negative electrode slurry; applying the negative electrode slurry on at least one surface of a current collector and performing a first drying and rolling the slurry to form a negative electrode active material layer; and performing a second drying of the current collector on which the negative electrode active material layer is formed. The negative electrode active material includes silicon-containing particles including silicon and a Li compound. A pH of the negative electrode slurry at 25° C. is 10 or more and less than 12.5.

Abstract: A negative electrode active material including: silicon-containing composite particles including SiOx (0<x<2) and pores; and a carbon layer on a surface of the silicon-containing composite particles and in the pores, in which the carbon layer includes a metal, the metal includes at least one selected from the group consisting of Li, Na and K, and the pores have an average diameter in a range of 2 nm to 45 nm, a negative electrode including the same, a secondary battery including the negative electrode and a method for preparing the negative electrode active material.

Abstract: A negative electrode active material, a negative electrode including the negative electrode active material, a secondary battery including the negative electrode, and a method for preparing the negative electrode active material are provided. The negative electrode active material includes a silicon-based composite which comprises silicon-based particles and one or more elements selected from the group consisting of B and P and distributed in the silicon-based particles, the silicon-based particles comprising Si in an amount of 95 parts by weight or more based on 100 parts by weight of the silicon-based particles, and the one or more elements having an increasing concentration gradient from a center to a surface of the silicon-based composite.

Abstract: A negative electrode active material, a negative electrode including the same, a secondary battery including the same and a method for preparing the negative electrode active material are disclosed. The negative electrode active material includes silicon-containing particles including SiOx, wherein 0<x<2, and Li and having a first carbon layer on at least a portion of a surface of the silicon-containing particles; and a second carbon layer on (a) at least a portion of the Si-containing particle, (b) at least a portion of the first carbon layer, or (c) at least a portion of the Si-containing particle and at least a portion of the first carbon layer. A ratio of D band peak intensity to G band peak intensity (D/G band ratio) is 1.0 or more during analysis by Raman spectroscopy.

Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.

Abstract: A negative electrode composition, a negative electrode for a lithium secondary battery including the same, a lithium secondary battery, and a method for preparing the negative electrode composition are provided. The negative electrode composition comprises a silicon carbon composite, a graphite, and a negative electrode conductive material, wherein a BET specific surface area of the silicon carbon composite is larger than a BET specific surface area of the graphite.

Abstract: An audio rendering method and an electronic device performing the same are disclosed. The disclosed audio rendering method includes determining an air absorption attenuation amount of an audio signal based on a recording distance included in metadata of the audio signal and a source distance between a sound source of the audio signal and a listener; and rendering the audio signal based on the air absorption attenuation amount.

Abstract: A negative electrode active material for a lithium secondary battery, the negative electrode active material including, based on 100 parts by weight of the total negative electrode active material, 5 parts by weight to 20 parts by weight of a first carbon-based particle, 55 parts by weight to 90 parts by weight of a second carbon-based particle, and 1 part by weight to 40 parts by weight of a silicon-based particle, wherein the specific surface area of the first carbon-based particle is 1.5 m2/g to 4.5 m2/g, the specific surface area of the second carbon-based particle is 0.4 m2/g to 1.5 m2/g, and the specific surface area of the first carbon-based particle is greater than the specific surface area of the second carbon-based particle, and capable of solving the problem of lifespan deterioration which may be caused by the use of a silicon-based particle as a negative electrode active material.

Abstract: A negative electrode active material including silicon-based active material particles each including a core including SiOx, wherein 0?x?2, and a coating layer present on the core. Also, a negative electrode active material in which the coating layer is any one of a carbon coating layer or a polymer coating layer, and the coating layer includes a fluorinated material including at least one of an alkali metal or an alkaline earth metal.

Abstract: A negative electrode active material for a lithium secondary battery including artificial graphite secondary particles obtained by granulating carbon-based initial particles having different average particle diameters (D50). The carbon-based initial particles include particle group A having an average particle diameter (D50) of a, and particle group B having an average particle diameter (D50) of b, and b<0.6a. As secondary particles are granulated from carbon-based initial particles having different average particle diameters, the tap density is significantly enhanced, and accordingly, the adhesive force and the high temperature storage performance of the negative electrode become excellent.

Abstract: A negative electrode active material, a negative electrode including the same, a secondary battery including the same and a method for preparing the negative electrode active material are disclosed. A negative electrode active material including silicon-containing particles including SiOx, wherein 0<x<2, and Li and having a first carbon layer on at least a portion of a surface of the silicon-containing particles, a composite layer on at least a portion of a surface of the first carbon layer on a surface of the silicon-containing particle; and a second carbon layer on at least a portion of a surface of the composite layer. The negative electrode active material comprises Li, M, P and O elements. The M is Al, B or Zn. A ratio of D band peak intensity to G band peak intensity (D/G band ratio) is 1.0 or more determined by analysis by Raman spectroscopy.

Abstract: Disclosed are a lithium secondary battery, a battery pack and an electronic device.

Abstract: Provided is a power transmission and reception system and a power transmission and reception system method capable of simultaneously transmitting/receiving data and power and including an array antenna including a plurality of antennas, a radio frequency (RF) unit and a baseband unit provided for data transmission and reception, a slot allocation unit configured to allocate a channel for power transfer and a slot for data transmission in a Contention Access Period (CAP) section, and allocate a slot for power transfer in consideration of whether to perform cooperative charging with a nearby another Simultaneous Wireless Information and Power Transfer (SWIPT) power transfer system, and a power supply and beamforming control unit configured to adjust the array antenna such that a power signal to be transmitted is beamformed according to a positioning beacon from a power receiving unit (PRU).

Abstract: Disclosed herein is a method for organizing and merging scene understanding information of an AI agent. The method includes acquiring an image of a first space, recognizing objects in the image, structuring information about the relationship between the object and information about the states of the objects in the form of a graph, and merging the structured information with information received from a nearby AI agent.

Abstract: A tie hoop untying prevention device of the present invention may comprise: a body part provided in a shape of surrounding the outer side surface and the upper and lower surfaces of a tie hoop and coupled to the tie hoop; a pair of extension parts provided at opposite ends of the body part, respectively, and formed in directions different from each other; separation preventing parts provided on both side surfaces of the body part, respectively, to prevent separation of the tie hoop; and a tying part provided at each of the corners of the body part to prevent vertical and outward movements of the tie hoop when being coupled to the tie hoop.

Abstract: A negative electrode and a secondary battery including the same are disclosed. The negative electrode may include a negative electrode active material layer. The negative electrode active material layer may include a negative electrode active material and a conductive material. The negative electrode active material may include silicon particles, the conductive material may include single-walled carbon nanotubes and graphite-containing particles, the graphite-containing particles may include a first artificial graphite and a second artificial graphite. The first artificial graphite may be a plate-type artificial graphite. The second artificial graphite may include a secondary particle structure in which a plurality of primary particles and amorphous carbon are interconnected.