Abstract: An apparatus estimating a state of charge (SOC)-open circuit voltage (OCV) profile, including: a storage unit storing: a beginning of life (BOL) positive electrode (PE) half-cell SOC-OCV profile and available range (AR), a BOL negative electrode (NE) half-cell SOC-OCV profile and AR, and a BOL full-cell SOC-OCV profile and total capacity (TC), and a control unit estimating a full-cell SOC-OCV profile at middle of life (MOL), including: an AR determination module for: calculating an MOL full-cell TC while a secondary battery is fully charged/discharged at MOL, and determining the MOL PE and NE ARs so a ratio of the MOL to the BOL full-cell TCs equals a ratio of the MOL to the BOL PE ARs and a ratio of the MOL to the BOL NE ARs, and a profile management module for: estimating, as an MOL full-cell SOC-OCV profile, a differential profile, and updating the BOL full-cell SOC-OCV profile.

Abstract: Disclosed is a technique capable of improving the life span of a battery by managing the charging of the battery. The battery charging management apparatus includes a degradation rate estimating unit configured to estimate a degradation rate of a secondary battery; a ceiling calculating unit configured to calculate a charge ceiling voltage based on the degradation rate estimated by the degradation rate estimating unit; a charge control unit configured to control the charging of the secondary battery so that the secondary battery is charged only up to the charge ceiling voltage calculated by the ceiling calculating unit; and a memory unit configured to store information required for operating at least one of the degradation rate estimating unit, the ceiling calculating unit and the charge control unit.

Abstract: A battery module includes a secondary battery including an electrode assembly formed by alternately stacking an electrode and a separator and a pouch type battery case which accommodates the electrode assembly therein and in which an upper case and a lower case are integrated with each other, a housing which includes at least one opening and into which the secondary battery is inserted through an opening of the at least one opening, and a cooling unit formed in the housing and disposed at one side of the secondary battery. The battery case includes a folding edge part formed at an area on a side of the secondary battery at which the upper case and the lower case are folded at an edge where the upper case and the lower case are connected, and the folding edge part of the secondary battery directly contacts the cooling unit.

Abstract: A blank mask including a transparent substrate, a phase shift film disposed on the transparent substrate, and a light shielding film disposed on the phase shift film. The phase shift film has XRD maximum peak at 2? of 15° to 30° when normal mode XRD analysis is performed on an upper surface of the phase shift film. The transparent substrate has XRD maximum peak at 2? of 15° to 30° when performing normal mode XRD analysis on a lower surface of the transparent substrate. AI1 value of the blank mask expressed by below Equation is 0.9 to 1.1. AI ? ? 1 = XM ? ? 1 XQ ? ? 1 XM1 is the maximum value of the measured X-ray intensity when the normal mode XRD analysis is performed on upper surface of the phase shift film. XQ1 is the maximum value of the measured X-ray intensity when the normal mode XRD analysis is performed on the lower surface of the transparent substrate.

Abstract: The present disclosure relates to a blank mask and the like, and comprises a transparent substrate, a phase shift film disposed on the transparent substrate, and a light shielding film disposed on the phase shift film. The blank mask has a TFT1 value of 0.25 ?m/100° C. or less expressed by Equation 1 below: TFT ? ? 1 = ? ? ? PM T ? ? 2 - T ? ? 1 [ Equation ? ? 1 ] where, when the thermal variation of the processed blank mask, which is formed by processing the thickness of the transparent substrate of the blank mask to be 0.6 mm and removing the light shielding film, is analyzed in a thermomechanical analyzer, the measuring temperature of the thermomechanical analyzer is increased from T1 to T2, and ?PM is a position change of the upper surface of the phase shift film in the thickness direction at T2, based on a position of the upper surface of the phase shift film at T1.

Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.

Abstract: The present invention relates to a secondary battery. The secondary battery according to the present invention comprises an electrode stack in which an electrode and a separator are combined with each other and a ground part grounding the electrode stack to the outside, wherein the ground part comprises a ground member disposed at one side of the separator to allow abnormal current flowing from the electrode to the one side of the separator to be introduced therein.

Abstract: A side camera for a vehicle comprises: a main body disposed at a left-hand and/or a right-hand side of the vehicle; a blind-spot view camera of which at least a portion is accommodated in the main body and being configured to photograph a view in lateral and rearward directions; a surround view camera (SVC) of which at least a portion is accommodated in the main body and being configured to photograph a view in a lateral direction; and a blind-spot view monitor disposed inside the vehicle to transmit an image captured by the blind-spot view camera. When the blind-spot view camera fails, an image transformation process is performed based on an image captured by the SVC and transmitted to the blind-spot view monitor. When the blind-spot view monitor fails, an image captured by the blind-spot view camera is transmitted to another display device in the vehicle.

Abstract: The present invention relates to a polyester resin for an adhesive strength-improved binder and a polyester fiber using the same, in which adhesive properties of the polyester resin for the adhesive strength-improved binder are not lowered at high temperatures since melt viscosity even at high temperatures of the polyester resin for the adhesive strength-improved binder, as a polyester resin for a binder, the polyester resin including terephthalic acid or an ester-forming derivative thereof as an acid component and including 2-methyl-1,3-propanediol, 2-methyl-1,3-pentanediol, and ethylene glycol as diol components, is not greatly lowered.

Abstract: Provided are an apparatus and method of obtaining degradation information of a lithium ion battery cell. The apparatus according to an embodiment estimates a first positive electrode usage region related to a first state of health of the lithium ion battery cell. The apparatus estimates a second positive electrode usage region related to a second state of health of the lithium ion battery cell. Then, the apparatus calculates an amount of change of maximum storage capacity of a positive electrode of the lithium ion battery cell with respect to a usage period from the first state of health to the second state of health, based on the first positive electrode usage region and the second positive electrode usage region.

Abstract: Disclosed is a fuel cell membrane electrode assembly (MEA) embodiment including an anode layer; at least one exchange membrane that is disposed on the anode layer as either a single-layered structure including one exchange membrane or a multi-layered structure including a plurality of exchange membranes, each exchange membrane of the at least one exchange membrane consisting of a film comprising hexagonal boron, and the at least one exchange membrane having a total thickness ranging from 0.3 to 3 nm; an interfacial binding layer that completely covers an exposed surface of one exchange membrane which is obverse to the anode layer and that consists of poly(methylmethacrylate) (PMMA) as a binder material; and a cathode layer formed on the interfacial binding layer. Alternately, a fuel cell membrane electrode embodiment may completely eliminate the interfacial binding layer and both embodiments provide superior fuel cell performance.

Abstract: Disclosed herein is an electrode assembly configured to have a rectangular structure including two long sides and two short sides when viewed in a plan view, wherein the electrode assembly includes positive electrode tabs protruding from two or more regions of a first long side that are spaced apart from each other, the first long side being one of the two long sides, and negative electrode tabs protruding from two or more regions of a second long side that are spaced apart from each other, the second long side being the other of the two long sides, and wherein the positive electrode tabs are coupled to a positive electrode lead located at the first long side whereas the negative electrode tabs are coupled to a negative electrode lead located at the second long side.

Abstract: A method for preparing a thermal adhesive copolymerized polyester resin is disclosed. The method includes: a transesterification reaction in a reaction mixture of a diol compound according to Formula 1, for example, 2-Methyl-1,3-propanediol, an isophthalic acid (IPA) or an IPA derivative as an acid component, and polyethylene terephthalate; and a condensation polymerization reaction of the reaction mixture to prepare a copolymerized polyester resin. The copolymerized polyester resin has an intrinsic viscosity (I.V.) of 0.5 dL/g to 0.75 dL/g, a softening point (Ts) of 100° C. to 160° C., and a glass transition temperature (Tg) of 60° C. to 70° C. The copolymerized polyester resin can be effectively used in fields of clothing, automobile parts, as a thermal adhesive fiber. wherein R1 is an alkyl group having 1 to 4 carbon atoms, a and b are each independently an integer ranging from 0 to 3, and each solid line represents a single bond when a and b is 0.

Abstract: Provided is an apparatus and method for testing the electrochemical performance of a battery cell in a non-destructive manner. The apparatus includes a measuring unit configured to measure an open circuit voltage (OCV) of the battery cell, a memory unit configured to store data obtained through pre-experiments for each of a plurality of reference cells and a process deviation value occurred in a manufacturing process of the battery cell, and a control unit electrically connected to the measuring unit and the memory unit. The control unit is configured to determine at least one of a capacity of the battery cell, an estimated profile data indicating a change in OCV of the battery cell in a predetermined state of charge (SOC) range and a resistance of the battery cell.

Abstract: Provided is an apparatus and method for testing the electrochemical performance of a battery cell in a non-destructive manner. The apparatus includes a measuring unit configured to measure an open circuit voltage (OCV) of the battery cell, a memory unit configured to store data obtained through pre-experiments for each of a plurality of reference cells and a process deviation value occurred in a manufacturing process of the battery cell, and a control unit electrically connected to the measuring unit and the memory unit. The control unit is configured to determine at least one of a capacity of the battery cell, an estimated profile data indicating a change in OCV of the battery cell in a predetermined state of charge (SOC) range and a resistance of the battery cell.

Abstract: Provided are an automobile interior/exterior material including a low-melting-point polyester resin fiber layer, and a method of manufacturing the same. More particularly, an automobile interior/exterior material having excellent processability and price competitiveness without deterioration of properties, such as strength and durability, is provided.

Abstract: The present application relates to a fermented soybean composition and a method for preparing a fermented soybean composition.

Abstract: A sound-absorbing air duct for a vehicle includes a lower non-woven fabric and an upper non-woven fabric sandwiching wires therebetween; and a film made of a polyester resin having a low melting point and disposed on the upper non-woven fabric, wherein each of the lower and upper non-woven fabrics includes a mixture between a first polyester fiber containing a polyester resin having a melting point higher than 250° C. and a second polyester fiber containing a polyester resin having a low melting point and having a softening point of 100° C. to 150° C., wherein the second polyester fiber includes a polyester resin having a low melting point composed of: an acid component including terephthalic acid or an ester-forming derivative thereof; and a diol component including 2-methyl-1,3-propanediol, 2-methyl-1,3-pentanediol, and ethylene glycol.

Abstract: Provided are apparatus and method of testing electrochemical performance of a battery cell in a nondestructive manner The apparatus according to an embodiment of the present disclosure includes: a memory configured to store first profile data, second profile data, a first positive electrode upper limit, a first positive electrode lower limit, a first negative electrode upper limit, and a first negative electrode lower limit that are determined in advance through a preliminary experiment with respect to each of a plurality of reference cells; a sensing unit configured to measure an open-circuit voltage of a test cell according to a variation in a state of charge (SOC) of the test cell; and a controller electrically connected to the memory and the sensing unit. The controller is configured to test performance of the test cell in a nondestructive manner based on data regarding the reference cells and data measured by the sensing unit stored in the memory.

Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.