Abstract:
A curable composition includes a curable resin and a magnetic body, wherein the magnetic body comprises magnetic particles and a surface treatment agent present on a surface of the magnetic particles. The curable composition has low viscosity, and fluidity, and capable of effectively cured without causing curing shrinkage or the like to form a cured product having desired physical properties.
Abstract:
The present application relates to a composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a composition for 3D printing capable of embodying a precise formation of a three-dimensional shape using a ceramic material and a uniform curing property of the three-dimensional shape.
Abstract:
Present disclosure relates to a variable jig which is a jig device to manufacture a battery cell in which an electrode assembly is embedded in a battery case made of a laminate sheet including a resin layer and a metal layer, including a die assembly having an inwardly recessed structure corresponding to a storage configured to mount the electrode assembly located on the laminate sheet or a portion to be molded as the storage; and a fixing die configured to fix an outer periphery of the sheet in a normal position, wherein the die assembly is configured to allow adjustment of at least one of a width or a length of the inward recess according to a size of the electrode assembly.
Abstract:
The present application provides a 3D printing method. The present application can provide as a method for efficiently performing 3D printing, for example, a 3D printing method capable of more rapidly and efficiently producing a three-dimensional shape precisely realized up to a fine portion.
Abstract:
Disclosed herein are a battery module and a battery pack. The battery module, having a plurality of battery cells, includes a unit module stack configured to have a structure in which a plurality of unit modules, each of which has a structure in which the battery cells are mounted to a cartridge, are stacked in a vertical direction on the basis of a ground, an upper end plate and a lower end plate for supporting an upper end and a lower end of the unit module stack, respectively, the upper end plate being provided with first fastening holes, the lower end plate being provided with second fastening holes, and a module housing provided with third fastening holes communicating with the second fastening holes, wherein first fastening members and second fastening members are inserted and fastened into the first fastening holes, the second fastening holes, and the third fastening holes.
Abstract:
Disclosed is a battery pack including a battery module array constituted by one or more battery modules each including one or more unit modules each configured to have a structure in which a battery cell is surrounded by a cell cover are mounted in a module case in a state in which the unit modules are stacked while being vertically upright, a base plate on which the battery module array is loaded, a pair of end plates to support opposite sides of the array in a state in which a lower end of each of the end plates is fixed to the base plate, and an insulation member disposed between the array and each of the end plates, the insulation member being provided at a surface thereof facing the array with one or more ribs to absorb shock caused by external force and to define a coolant flow channel.
Abstract:
Disclosed herein is a battery pack including a power supply unit including two or more battery cells or battery modules electrically connected to each other, at least one pressure driven switch configured to cause a short circuit in a portion or the entirety of the battery pack upon detecting expansion in volume of the battery cells or the battery modules when the power supply unit malfunctions, a cut-off portion located at at least one series connection region between the battery cells or the battery modules to interrupt electrical connection in the battery pack when the short circuit occurs in the battery pack, and external input and output terminals connected to electrode terminals located at outermost sides of the power supply unit to supply power to an external device.
Abstract:
Disclosed herein is a battery pack including (a) a module assembly including two or more battery modules, each of which includes a chargeable and dischargeable battery cell, the battery modules being stacked to have a two layer structure including an upper layer and a lower layer while being in contact with each other in a lateral direction, (b) a first upper layer connection member and a second upper layer connection member mounted at the upper layer module assembly, (c) a first lower layer connection member and a second lower layer connection member mounted at the lower layer module assembly, (d) a pair of side support members, (e) insulation members mounted at interfaces between the sides of the upper and lower layer module assemblies and the side support members, and (f) a first lower end support member and a second lower end support member.
Abstract:
A battery module including a unit cell assembly including two or more battery cells or unit modules; a left case coupled to a left side of the assembly, the left case provided at a left outer side thereof with a first fastening groove extending parallel to a longitudinal direction of the battery module such that a sensing assembly is fastened into the first groove, the left case being provided at opposite ends thereof with second fastening grooves formed parallel to a height direction of the battery; and a right case coupled to a right side of the assembly, an external input and output terminal oriented to a front of the battery, the right case provided at a right inner side thereof with a plurality of fixing grooves formed parallel to a longitudinal direction of the assembly such that the assembly is fastened and fixed into the fixing grooves is provided.
Abstract:
Disclosed herein is a voltage sensing assembly to detect voltages of battery cells having electrode terminals formed at an upper end or a lower end thereof in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing assembly including (a) a block case, formed of an electrically insulative material, mounted to a front or rear of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) conductive sensing parts connected to voltage sensing terminals located at one-side ends of bus bars electrically connected to the electrode terminal connection parts of the battery cells, and (c) a connector to transmit voltages sensed by the conductive sensing parts to a controller, wherein the block case includes mounting grooves, opened to a front, formed at positions of the block case corresponding to the voltage sensing terminals of the bus bars such that the conductive sensing parts are mounted in the mounting grooves, and the conductive sensing parts are connected to the voltage sensing terminals of the bus bars in a state in which the conductive sensing parts are mounted in the mounting grooves of the block case.