Abstract: Disclosed is an all-solid-state battery having a uniformly deposited or grown lithium layer, thereby having excellent durability.

Abstract: An all-solid-state battery with improved durability by preventing deposition due to non-uniform growth of lithium (Li), according to an embodiment, includes an anode layer, a solid electrolyte layer disposed on the anode layer, a cathode layer disposed on the solid electrolyte layer, and an edge part disposed at an upper surface of the anode layer to contact a side surface of the solid electrolyte layer, thereby suppressing non-uniform lithium that may be non-uniformly deposited in a conventional all-solid-state battery, in particular, non-uniform lithium that may be deposited of in a corner direction between the electrode and a solid electrolyte layer. The edge part has a lower lithium ionic conductivity than that of the solid electrolyte layer.

Abstract: An all-solid-state battery comprises a cathode active material layer, an anode active material layer and a solid electrolyte layer interposed between the cathode active material layer and the anode active material layer, and wherein the all-solid-state battery satisfies Requirement 1 below, 3<(b1+b2)/a[10?4·cm3/mA]<11,??[Requirement 1] wherein, a indicates current density [mA/cm2] of the all-solid-state battery, b1 indicates surface roughness [?m] of one side of a cathode active material layer in a direction to a solid electrolyte layer, and b2 indicates surface roughness [?m] of one side of an anode active material layer in a direction to the solid electrolyte layer.

Abstract: Provided are a lithium secondary battery having high durability and a method for manufacturing the same. The lithium secondary battery includes a reinforcing layer positioned on the outside of at least one of a negative electrode current collector and a positive electrode current collector and including a matrix containing a polymer and a thermally conductive filler dispersed in the matrix.

Abstract: A gas measuring apparatus for a secondary battery comprises: a chamber accommodating a secondary battery therein; a heater unit applying heat to the chamber to ignite the secondary battery accommodated in the chamber; a collection tube connected to the inside of the chamber to collect a gas generated in the secondary battery; a vacuum unit connected to the collection tube to vacuumize the inside of the chamber so as to introduce the gas into the collection tube; and a gas measuring unit measuring an amount of gas introduced into the collection tube.

Abstract: Disclosed are an all-solid-state battery that may have uniform deposition of lithium and have excellent durability, and a method of manufacturing the same.

Abstract: A battery unit for a vehicle is provided. The battery unit includes a lower case having two battery compartments arranged in a direction toward opposite sides of the vehicle, respectively, and a connecting portion bent to be convex upwardly between the two battery compartments. A reinforcing structure is disposed on the connecting portion. Two battery modules are installed in the two battery compartments, respectively and a power wire is electrically connected to at least one of the two battery modules and extends from one of the two battery compartments to the other one of the two battery compartments through the connecting portion.

Abstract: A battery unit for a vehicle is provided and includes a lower case having two battery compartments arranged in a direction toward opposite sides of the vehicle, respectively, and a connecting portion bent to be convex upwardly between the two battery compartments. Battery modules are installed in the two battery compartments, respectively. A cooling block is disposed under each of the battery modules and receives and discharges coolant to cool the battery module. An upper case is installed on the lower case and has a coolant inlet port through which the coolant is supplied to the cooling block and a coolant outlet port through which the coolant is discharged from the cooling block.

Abstract: An all-solid-state battery includes: an anode current collector; a lithium storage layer including a first layer located at an electrolyte-layer side and a second layer located at an anode current collector side, having a higher porosity than the first layer, and including an interface portion and a core portion, which is a remaining portion other than the interface portion; an electrolyte layer; and a cathode layer, wherein the anode current collector, the lithium storage layer, the electrolyte layer, and the cathode layer are sequentially laminated, and the interface portion is in contact with the first layer and has a higher binder content per unit volume than the core portion.

Abstract: An all solid state battery includes a cathode active material layer disposed in contact with a predetermined area of a cathode current collector, a solid electrolyte layer disposed on the cathode active material layer, and including a central part disposed on the cathode active material layer based on a stack direction of the all solid state battery, and a peripheral part extending from the central part and contacting the cathode current collector while surrounding side surfaces of the cathode active material layer, an anode layer disposed on the solid electrolyte layer and having an area greater than an area of the cathode active material layer but less than an area of the solid electrolyte layer, and a spacer disposed on the solid electrolyte layer and in contact with side surfaces of the anode layer.

Abstract: A battery unit for a vehicle is provided and includes a lower case having two battery compartments arranged in a direction toward opposite sides of the vehicle, respectively, and a connecting portion bent to be convex upwardly between the two battery compartments. Battery modules are installed in the two battery compartments, respectively. A cooling block is disposed under each of the battery modules and receives and discharges coolant to cool the battery module. An upper case is installed on the lower case and has a coolant inlet port through which the coolant is supplied to the cooling block and a coolant outlet port through which the coolant is discharged from the cooling block.

Abstract: A vehicular battery unit includes a lower case including a pair of battery-receiving sections disposed at two lateral sides of a vehicle, and a connecting section, which is disposed between the pair of battery-receiving sections and is bent so as to be convex upwards, battery modules respectively mounted in the pair of battery-receiving sections, cooling blocks, which are disposed under the battery modules and which receive and discharge cooling water to cool the battery modules, at least one cooling water hose configured to exchange cooling water with the cooling blocks, and an upper case, which is disposed on the lower case and includes a cooling water hose coupler unit configured to connect the cooling water hose to the cooling blocks.

Abstract: A vehicular battery unit includes a lower case, including a pair of battery-receiving sections disposed at two lateral sides of a vehicle, and a connecting section, which is disposed between the pair of battery-receiving sections and is convex upwards, battery modules mounted in the battery-receiving sections, a lower cross member, which is fixed to a lower surface of the lower case and extends beyond the lower surface of the lower case in a lateral direction of the lower case, the lower cross member being bent upwards beyond the lower surface of the lower case and bent in the lateral direction of the lower case, and an upper cross member, which is fixed to a lateral side surface of the lower case, is bent in the lateral direction of the lower case, and is coupled to the lower cross member.

Abstract: An all-solid-state battery includes: a cathode-current-collector layer, a first layer disposed on the cathode-current-collector layer, and including at least one selected from the group consisting of a particulate carbon material, a fibrous carbon material, and a combination thereof; a second layer arranged between the first layer and the cathode-current-collector layer, and including a carbon material having a layered structure; an electrolyte layer disposed on the first layer; and a complex anode layer disposed on the electrolyte layer.

Abstract: A high voltage battery unit for a vehicle and an underbody of the vehicle are provided. The high voltage battery unit mounted to the vehicle is installed under a center floor of the vehicle at the outdoor side. A drive shaft forming a drive device of the vehicle is installed to penetrate between battery built-in parts positioned at both sides with respect to a center tunnel to deliver the power of a powertrain mounted at the front of the vehicle to a rear wheel through the drive shaft.

Abstract: A battery unit for a vehicle is provided. The battery unit includes a lower case having two battery compartments arranged in a direction toward opposite sides of the vehicle, respectively, and a connecting portion bent to be convex upwardly between the two battery compartments. A reinforcing structure is disposed on the connecting portion. Two battery modules are installed in the two battery compartments, respectively and a power wire is electrically connected to at least one of the two battery modules and extends from one of the two battery compartments to the other one of the two battery compartments through the connecting portion.

Abstract: A carbon composite composition and a carbon heater are provided. The carbon composite composition may include a phenolic resin as a binder, a lubricant, and a base material that determines a specific resistance of a resistance heating element at a high temperature. The carbon composite composition may prevent a dielectric breakdown, a spark and plasma from occurring in a carbon heater, and may improve radiation efficiency of the carbon heater.

Abstract: A multi-path cooling system is provided that includes a first cooling path in which a refrigerant is circulated by a first pump and a second cooling path in which the refrigerant is circulated by a second pump. A reservoir tank is provided through which the refrigerant circulating through the first cooling path enters or exits. An air separator is disposed on the second cooling path to separate air from the passing refrigerant when the refrigerant circulating through the second cooling path passes. The reservoir tank and the air separator communicate with each other.

Abstract: A carbon heating element and a method for manufacturing a carbon heating element are provided. The carbon heating element may efficiently dissipate heat and prevent disconnection or destruction of a heating element to prolong a lifespan thereof without generating a spark and plasma under a high voltage. The carbon heating element may include carbon (C) and silicon carbide (SiC), and the carbon heating element may have a thermal conductivity of 1.6 W/m·K or more.

Abstract: A high voltage battery unit for a vehicle and an underbody of the vehicle are provided. The high voltage battery unit mounted to the vehicle is installed under a center floor of the vehicle at the outdoor side. A drive shaft forming a drive device of the vehicle is installed to penetrate between battery built-in parts positioned at both sides with respect to a center tunnel to deliver the power of a powertrain mounted at the front of the vehicle to a rear wheel through the drive shaft.