Abstract: Disclosed in a battery cell including: an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive and negative electrodes, with electrode tabs protruding from at least one side of outside peripheral portions of the electrode assembly; and a battery casing including first and second casings provided with first and second receiving parts, respectively, the first and second receiving parts respectively accommodating the electrode assemblies and having different sizes or shapes, wherein in a state in which electrode leads connected to the electrode tabs protrude from outside peripheral portions of the first and second casings, the battery casing is sealed by thermal fusion along the outside peripheral portions of the first and second casings, wherein electrode lead grooves recessed downwardly such that the electrode leads are seated therein are provided at a portion of the outside peripheral portions of the first and second casings.

Abstract: An anode for a lithium secondary battery includes an anode current collector, and a first anode active material layer and a second anode active material layer sequentially stacked on a surface of the anode current collector. Each of the first anode active material layer and the second anode active material layer includes an anode active material and a binder. A content of a free binder unbonded with the anode active material in the first anode active material layer based on a weight of the binder included in the first anode active material layer is greater than a content of a free binder unbonded with the anode active material in the second anode active material layer based on a weight of the binder included in the second anode active material layer.

Abstract: In some implementations, the anode includes a current collector, a first anode mixture layer formed on at least one surface of the current collector, and a second anode mixture layer formed on the first anode mixture layer. The first anode mixture layer and the second anode mixture layer include a carbon-based active material, respectively. The first anode mixture layer includes a first binder, a first silicon-based active material, and a first conductive material. The second anode mixture layer includes a second binder, a second silicon-based active material, and a second conductive material. Contents of the first conductive material and the second conductive material are different from each other with respect to the total combined weight of the first anode mixture layer and the second anode mixture layer. Types of the first silicon-based active material and the second silicon-based active material are different from each other.

Abstract: A lithium secondary battery includes an electrolyte solution including a lithium salt, an organic solvent and a CO2 supply source, a cathode including a cathode active material layer that includes a lithium metal oxide particle containing nickel, and an anode including an anode active material layer and a solid electrolyte interface (SEI) layer formed on the anode active material layer. The anode active material layer includes a silicon-based active material. A ratio of a C—O peak intensity to a Li—F peak intensity is 0.38 or more in an X-ray photoelectron spectroscopy spectrum of the SEI layer.

Abstract: Disclosed is an appearance inspection apparatus for a secondary battery, which simultaneously obtains laterals image by picking up a plurality of secondary batteries loaded in a tray, and then simultaneously obtains top and bottom images of the secondary batteries by returning the plurality of inspected secondary batteries back to the tray and transporting the tray.

Abstract: The appearance inspection apparatus for a secondary battery according to the disclosure can obtain an image corresponding to an area of not less than 180 degrees of a lateral surface of the secondary battery when the secondary battery is captured at a first posture, and obtain an image corresponding to the entire lateral surface of the secondary battery when the secondary battery is captured at a second posture, thereby having an effect on significantly improving inspection speed.

Abstract: Disclosed is an apparatus for inspecting the appearance of a can for a secondary battery, which can obtain an image of the appearance of the can for the secondary battery and determine whether there is a defect. The apparatus for inspecting the appearance of a can for a secondary battery according to the disclosure obtains lateral images of a plurality of cans at once, and generates the lateral image for one can by extracting an area where each can is captured, thereby speeding up the inspection. Further, the lateral images of the can are obtained with light emitted in various combinations, thereby having an effect on improving the accuracy in defect diagnosis.

Abstract: A peg hook label apparatus includes a body provided with an electronic display unit displaying product information, and a holder provided on one end of the body and configured to have a first width in a portion connected to the body, the first width being greater than a second width of a locking hook disposed on an end portion thereof.

Abstract: In accordance with an embodiment of the present disclosure, there are provided a secondary battery and a battery module including the secondary battery as a unit battery, the secondary battery including an electrode assembly including a first electrode group including a first cathode; and a second electrode group including a second cathode, wherein the first cathode includes a first cathode active material, and the second cathode includes a first cathode active material and a second cathode active material, and wherein the first cathode active material is a lithium-nickel composite oxide having primary particles whose particle diameter is less than or equal to 1 ?m, and the second cathode active material is a lithium-nickel composite oxide having primary particles whose particle diameter is greater than 1 ?m.

Abstract: A label apparatus for a peg hook includes a body including a display unit displaying product information and a holder detachably provided at one end of the body and including a first engaging portion and a second engaging portion in which one end portions are rotatably connected to each other and the other end portions are attached to each other so that a catching hole is formed therebetween.

Abstract: An anode for a lithium secondary battery includes an anode current collector, a first anode active material layer formed on at least one surface of the anode current collector and including a silicon-based active material and a graphite-based active material, and a second anode active material layer formed on the first anode active material layer and including a porous structure as an active material. The porous structure includes carbon-based particles including pores, and a silicon-containing coating formed at an inside of the pores of the carbon-based particles or on the surface of the carbon-based particles.

Abstract: A plasma generating apparatus for a secondary battery, including a roller part having a transfer roller configured to transfer a separator and a metal member built in the transfer roller, and a plasma generating part interacting with the metal member to generate plasma and thereby to form a mask that is patterned on a surface of the separator and has a bonding force.

Abstract: Disclosed is a method of manufacturing a solid oxide fuel cell including a multi-layered electrolyte layer using a calendering process. The method for manufacturing a solid oxide fuel cell is a continuous process, thus providing high productivity and maximizing facility investment and processing costs. In addition, the solid oxide fuel cell manufactured by the method includes an anode that is free of interfacial defects and has a uniform packing structure, thereby advantageously greatly improving the production yield and power density. In addition, the solid oxide fuel cell has excellent interfacial bonding strength between respective layers included therein, and includes a multi-layered electrolyte layer in which the secondary phase at the interface is suppressed and which has increased density, thereby advantageously providing excellent output characteristics and long-term stability even at an intermediate operating temperature.

Abstract: Provided is a lithium secondary battery including a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between a positive electrode and the negative electrode, and an electrolyte solution. The negative electrode active material includes a silicon-based oxide; and the electrolyte solution includes a lithium salt, a fluorine-substituted cyclic carbonate compound, a non-aqueous organic solvent, and a difluorophosphite compound.

Abstract: An anode for a secondary battery including an anode active material and a secondary battery including the anode and having improved stability and reduced resistance are disclosed. In an aspect, the anode active material includes a silicon-based active material having a specific surface area (BET) in a range from 0.5 m2/g to 5 m2/g, a first carbon-based active material having an average particle diameter (D50) in a range from 1 ?m to 4 ?m, and a second carbon-based active material having an average particle diameter greater than that of the first carbon-based active material.

Abstract: A portable electronic device is provided. The electronic device includes a transparent front glass cover including a planar portion that forms a front surface of the electronic device, a planar rear glass cover that forms a rear surface of the electronic device, a metal bezel that surrounds a space formed by the front glass cover and the rear glass cover, and a flexible display device that is embedded in the space and exposed through the front glass cover. The front cover includes a left bent portion and a right bent portion on the left and right of the planar portion at the center of the front cover.

Abstract: The inventive concept provides an inkjet printing method. The inkjet printing method for discharging an ink on a substrate using a head having a plurality of nozzles formed thereon includes determining a grade of nozzles by measuring a discharge performance of the nozzles, which is a grading step; selecting a use nozzle that can participate in printing the substrate among the nozzles based on the grade determined at the grading step, which is a nozzle selecting step; and discharging the ink on the substrate using at least one nozzle among use nozzles, which is a printing step.

Abstract: An anode active material including different types of particles, an anode composition including the anode active material and a lithium secondary battery including the anode active material are disclosed. In an aspect, an anode active material includes a carbon-based active material, and a silicon-based active material having a minimum particle diameter (Dmin) in a range from 0.5 ?m to 2.5 ?m, a volume average particle diameter (D50) in a range from 3.0 ?m to 7.0 ?m, and a specific surface area in a range from 0.1 m2/g to 2.5 m2/g.

Abstract: Disclosed is an anode-free all-solid-state battery having improved charge/discharge cycle stability. Specifically, the anode-free all-solid-state battery includes a cathode layer containing a cathode active material, an anode current collector layer, and a solid electrolyte layer interposed between the cathode layer and the anode current collector layer, wherein the anode current collector layer has a surface roughness (Rq) of 100 nm to 1,000 nm.

Abstract: A battery case includes: a first battery accommodating portion accommodating at least one first battery; a second battery accommodating portion arranged apart from the first battery accommodating portion and accommodating at least one second battery serially connected with the at least one first battery; a rail arranged between the first battery accommodating portion and the second battery accommodating portion; and a structure configured to move along the rail between the first battery accommodating portion and the second battery accommodating portion and prevent contact between same terminals of the at least one first battery and the at least one second battery at a point at which the at least one first battery and the at least one second battery touch each other.