Abstract: The present disclosure relates to a positive active material for a lithium rechargeable battery and a lithium rechargeable battery including the same, which include a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, and a content of the first compound is 65 wt % or more based of the positive active material of 100 wt %. Lia1Nib1Coc1Mnd1M1e1M2f1O2-f1[??Chemical Formula 1] Lia2Nib2COc2Mnd2M3e2M4f2O2-f2[??Chemical Formula 2] Chemical Composition 1 and 2 of each composition and molar ratio is as defined in the specification. Each composition and molar ratio of Chemical Formula 1 and 2 is as defined in the specification.

Abstract: An engine system having a secondary air injection device include: an engine having a plurality of cylinders; a first intake line in which intake air supplied into the cylinder flows; a second intake line in which intake air supplied into the cylinder flows; a bypass line connecting the first intake line and the second intake line; a first electric supercharger and a second electric supercharger disposed in the first intake line and the second intake line, respectively; an exhaust manifold connected with the plurality of cylinders; an exhaust line connected with the exhaust manifold such that exhaust gas flows to the exhaust line through the exhaust manifold; an exhaust gas purification device disposed in the exhaust line; and a secondary air injection device injecting air into the exhaust manifold or the exhaust line from the intake line.

Abstract: An engine system may include an engine including a plurality of combustion chambers for generating a driving force by combustion of fuel, an exhaust gas purification device mounted in an exhaust line through which exhaust gas discharged from the combustion chamber flows, an EGR gas collecting device configured for collecting a part of the exhaust gas from an exhaust manifold of the engine and supplying the exhaust gas to an intake manifold of the engine, and an EGR gas supply control valve provided between the EGR gas collecting device and the intake manifold and adapted to regulate a flow rate of EGR gas supplied to the intake manifold.

Abstract: An engine system according to an exemplary embodiment of the present invention may include an engine including a plurality of cylinders; a fuel separator separating into a low-octane fuel and a high-octane fuel based on an octane number; a cylinder deactivation device deactivating some cylinders among the plurality of cylinder based on a driving region; a low-octane fuel injector injecting the low-octane fuel separated by the fuel separator into the plurality of cylinder; a high-octane fuel injector injecting the high-octane fuel separated by the fuel separator into the activated cylinders without being deactivated by the cylinder deactivation device; and a controller configured to control the cylinder deactivation device to deactivate some cylinders or activate all the cylinders, and to control the low-octane fuel injector and the high-octane fuel injector to inject the low-octane fuel or the high-octane fuel into the cylinders.

Abstract: A shock absorbing module includes a shock absorbing layer at which the shock absorbing module is attachable to a display panel, the shock absorbing layer including a cushion layer including an adhesive polymer resin, and a hollow particle which is in the adhesive polymer resin, and an embossed adhesive layer with which the shock absorbing layer is attachable to the display panel, and a base layer. The shock absorbing module attached to the display panel disposes the shock absorbing layer between the display panel and the base layer.

Abstract: An engine system includes: an engine having a combustion chamber generating a driving torque by combust of a fuel; a plurality of intake lines through which outside air flows to the combustion chamber; an exhaust manifold connected to the combustion chamber at an exhaust side; at least two electric superchargers disposed on the plurality of intake lines, respectively; and an exhaust gas recirculation (EGR) system including a recirculation line branched from the exhaust manifold and joined to one of the plurality of intake lines and a recirculation valve disposed on the recirculation line.

Abstract: Disclosed is an apparatus and method for diagnosing a failure of a relay for a battery required to constantly supply the power to a vehicle with guaranteeing the constant power supply using a parallel circuit.

Abstract: An engine system according to an exemplary embodiment of the present invention may include an engine including a plurality of cylinders; a fuel separator separating into a low-octane fuel and a high-octane fuel based on an octane number; a cylinder deactivation device deactivating some cylinders among the plurality of cylinder based on a driving region; a low-octane fuel injector injecting the low-octane fuel separated by the fuel separator into the plurality of cylinder; a high-octane fuel injector injecting the high-octane fuel separated by the fuel separator into the activated cylinders without being deactivated by the cylinder deactivation device; and a controller configured to control the cylinder deactivation device to deactivate some cylinders or activate all the cylinders, and to control the low-octane fuel injector and the high-octane fuel injector to inject the low-octane fuel or the high-octane fuel into the cylinders.

Abstract: An engine system may include an engine including a plurality of intake lines through which outside air supplied to combustion chamber flows, a first electric supercharger and a second electric supercharger disposed respectively in the plurality of intake lines, a first exhaust gas recirculation (EGR) device including a first EGR line branched from an exhaust manifold and joining an intake manifold and a first EGR valve disposed in the first EGR line, and a controller determining an engine target torque according to a driving condition of the engine, setting an engine torque within an operation region of the first EGR device when the engine target torque is in a torque dead band between the operation region of the first EGR device and a non-operation region thereof, and compensating a difference value between the engine target torque and the engine torque by a hybrid electric vehicle (HEV) motor.

Abstract: A secondary air injection system may include an engine that includes a plurality of cylinders that generate a driving torque of a vehicle by combustion of a fuel; a main line connected to an exhaust manifold or an exhaust line which is connected to the plurality of cylinders; a recirculation line which is branched from the main line and then connected to an intake manifold; an air injection line which is branched from the main line and then connected to an intake line; and an electric supercharger which is provided in the intake line.

Abstract: An engine may include a plurality of cylinders generating driving torque by burning fuel; a first intake valve disposed in a first intake line in which intake air supplied to the cylinders flows; a second intake valve disposed in a second intake line in which intake air supplied to the cylinders flows; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a bypass valve disposed in a bypass line connecting the first intake line and the second intake line; and a controller for controlling the first electric supercharger and the second electric supercharger to be operated in a single mode, a serial mode, or a parallel mode based on an operating region of the engine determined by driving information.

Abstract: A system of forcibly regenerating a gasoline particulate filter may include an exhaust pipe connected to the engine; a catalyst apparatus mounted on the exhaust pipe; first and second intake lines; first and second electric superchargers disposed on the first and second intake lines; a bypass line connecting a first point of the first supercharger and a second point of the second supercharger to each other; a first intake valve disposed at a downstream of the first point of the first intake line; a second intake valve disposed at an upstream of the second point of the second intake line; a bypass valve disposed on the bypass line; and a regeneration air line connecting the first intake line or the bypass line between the first electric supercharger, the first intake valve, and the bypass valve to the exhaust pipe between the catalyst apparatus and the gasoline particulate filter.

Abstract: A positive electrode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium transition metal composite oxide and doping metals doped in the lithium-transition metal composite oxide, wherein the doping metals includes at least two kinds and the average oxidation number of the doping metals is greater than 3.5.

Abstract: An engine system may include an engine including a plurality of combustion chambers for generating a driving force by combustion of fuel, an exhaust gas purification device mounted in an exhaust line through which exhaust gas discharged from the combustion chamber flows, an EGR gas collecting device configured for collecting a part of the exhaust gas from an exhaust manifold of the engine and supplying the exhaust gas to an intake manifold of the engine, and an EGR gas supply control valve provided between the EGR gas collecting device and the intake manifold and adapted to regulate a flow rate of EGR gas supplied to the intake manifold.

Abstract: A device for waking up a battery management system (BMS) in response to an external power signal received from an external power module, and includes a pulse generator which receives the external power signal from the external power module and is supplied with source power through a different path from the external power signal, and generates a pulse signal depending on whether the source power is passed through when the pulse generator receives the external power signal, and a power output module which supplies the source power to the pulse generator, and outputs operating power for operating the BMS based on the pulse signal when the power output module receives the pulse signal from the pulse generator.

Abstract: A system of forcibly regenerating a gasoline particulate filter may include an exhaust pipe connected to the engine; a catalyst apparatus mounted on the exhaust pipe; first and second intake lines; first and second electric superchargers disposed on the first and second intake lines; a bypass line connecting a first point of the first supercharger and a second point of the second supercharger to each other; a first intake valve disposed at a downstream of the first point of the first intake line; a second intake valve disposed at an upstream of the second point of the second intake line; a bypass valve disposed on the bypass line; and a regeneration air line connecting the first intake line or the bypass line between the first electric supercharger, the first intake valve, and the bypass valve to the exhaust pipe between the catalyst apparatus and the gasoline particulate filter.

Abstract: An engine structure for a vehicle includes: a turbocharger rotating by a flow of exhaust gas and compress intake air; a first runner communicating with at least one of a plurality of combustion chambers which are formed in an engine and communicating with the turbocharger; a second runner communicating with remaining combustion chambers which are not in communication with the first runner; and a supercharger rotating by a motor, which is cooled by a coolant, and compressing intake air.

Abstract: An engine system includes an engine including one or more cylinders for generating a driving torque, a plurality of intake lines for supplying external air to the one or more cylinders, and one or more electric superchargers disposed on, or in, the plurality of intake lines.

Abstract: An engine system includes: an engine including a plurality of combustion chambers generating driving torque by combustion of fuel; an exhaust gas purification apparatus installed at an exhaust line in which exhaust gas exhausted from the combustion chambers flows; a bypass line branched from the exhaust line at an upstream side of the exhaust gas purification apparatus and joining the exhaust line at a downstream side of the exhaust gas purification apparatus so that the exhaust gas flowing in the exhaust line bypasses the exhaust gas purification apparatus; and a bypass valve installed at the bypass line.

Abstract: An engine may include a plurality of cylinders generating driving torque by burning fuel; a first intake valve disposed in a first intake line in which intake air supplied to the cylinders flows; a second intake valve disposed in a second intake line in which intake air supplied to the cylinders flows; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a bypass valve disposed in a bypass line connecting the first intake line and the second intake line; and a controller for controlling the first electric supercharger and the second electric supercharger to be operated in a single mode, a serial mode, or a parallel mode based on an operating region of the engine determined by driving information.