Abstract: A battery pack includes a battery module having at least one battery cell, a pack case configured to accommodate the battery module, and a connection guide unit provided on at least one side of the pack case and configured to be accessible to electrical members of two or more connection types.

Abstract: A battery pack includes one or more battery modules provided with a plurality of battery cells, a bus bar connected to a module terminal of each battery module to electrically connect the one or more battery modules, and connected to an external batter management system (BMS) of the battery pack, and a fuse box including a fuse connecting each module terminal to the bus bar, and a vibration detection element attached to the fuse box or the bus bar to detect vibration flowing into the fuse connected to each of the battery modules, and the vibration detection element is directly connected to a battery monitoring integrated circuit (BMIC) through terminals at both ends thereof.

Abstract: Secondary battery sealing equipment presses and seals a sealing portion of a pouch. The secondary battery sealing equipment including includes: a pair of sealing blocks and a gap adjustment device configured to adjust the gap between the pair of sealing blocks. The gap adjustment device includes: support pieces provided at respective ends of a first sealing block that presses one surface of the sealing portion of the pouch; and gap adjustment pieces rotatably coupled to respective ends of a second sealing block that presses the other surface of the sealing portion of the pouch. Each of the gap adjustment pieces is provided with a plurality of adjustment surfaces having different heights, and at least one of the plurality of adjustment surfaces is configured to engage a respective support pieces to adjust the gap between the pair of sealing blocks.

Abstract: Discussed is a battery module that may include at least one battery unit, a carrying structure and at least one insulating sheet, wherein the carrying structure includes a frame and at least one structurally enhancing portion connected to each other, and the frame mounts the battery unit. Further, the insulating sheet can be installed in the carrying structure to cover the battery unit, and the structurally enhancing portion extends outward of the battery module past an outer surface of the insulating sheet in a first direction.

Abstract: Discussed is a battery module that may include a battery cell stack including a plurality of battery cells arranged along a first direction; side plates covering each of opposite side surfaces of the battery cell stack along the first direction, respectively; a busbar frame covering one surface of the battery cell stack in a direction in which electrode leads of the plurality of battery cells protrude; and a disc spring part located on an outside of a side plate of the side plates. The disc spring part is compressed in a direction parallel to the first direction.

Abstract: A battery pack includes a first battery module having a first corner formed by two side plates; a processing unit having a second corner formed by two side plates, electrically connected to the first battery module and controlling charge/discharge of the battery module; and a first coupling member having one side fastened to the first corner and the other side fastened to the second corner.

Abstract: A battery module includes a plurality of battery cells each having an electrode lead, a module case configured to receive the plurality of battery cells, an ICB assembly having a busbar electrically connected to the electrode lead, and a swelling sensing means configured to sense swelling of the battery cell. Swelling of the battery cell is sensed in an early stage.

Abstract: A battery module has improved waterproof and anti-vibration performance and a battery pack including the same. The battery module may be configured such that a battery cell is received in a space defined by a lower case and an upper case. A lower rib at a tip end of the lower case and an upper rib at a tip end of the upper case are brought into contact with each other, and the contact includes one face contact and one or more line contacts.

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are described herein. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent and a compound represented by Formula 1 to form a robust SEI film, thereby improving battery performance: Wherein R1 to R3 are described herein.

Abstract: A battery pack includes a battery module; a pack frame that houses the battery module and has a through-hole formed on one surface thereof; a cooling port that is inserted into the through hole; a cooling connector that is located inside the pack frame and is connected to the cooling port; a cover member that is coupled to the cooling port and has an opening part formed therein; and a pack coolant tube that is connected to the cooling connector. The cooling port includes a plate-shaped base part and a first tube that protrudes from the base part in a first direction and passes through the through hole. The base part includes a base protrusion part formed on one surface of the base part in the first direction. A sealing member is located between the opening of the cover member and the base protrusion part.

Abstract: An electrode manufacturing device that applies pressure to an electrode containing a coating part and a non-coating part is provided. The electrode manufacturing device includes: a first pressure roll that applies pressure to the non-coating part; a second pressure roll that applies pressure to the coating part; and a connection part that penetrates through the center of the first pressure roll and the center of the second pressure roll, respectively, wherein a difference between a radius of the first pressure roll and a radius of the second pressure roll is equal to or smaller than a step difference between the coating part and the non-coating part.

Abstract: A separator cutting device cuts a sheet-shaped separator with which at least one electrode is laminated. The separator cutting device includes a laser generator configured to emit a laser beam, a scanner configured to control an optical path of the laser beam emitted from the laser generator, and an end mirror configured to reflect the laser beam passing through the scanner toward the separator and disposed at a side of the scanner.

Abstract: The present invention relates to an electrode assembly laminating roller for laminating an electrode and a separator, wherein the laminating roller comprises a central portion; and end portions positioned at both ends of the central portion with respect to the longitudinal direction, and wherein the surface temperature of the end portion is expressed higher than the surface temperature of the central portion.

Abstract: A battery diagnosing apparatus includes: a characteristic value extracting unit for extracting a plurality of characteristic values for each of a plurality of batteries; a dimension reducing unit for reducing a dimension of a characteristic value profile representing a distribution of the plurality of batteries using a predetermined algorithm based on the plurality of characteristic values extracted by the characteristic value extracting unit; and a state diagnosing unit for detecting an outlier in the characteristic value profile whose dimension is reduced by the dimension reducing unit, and diagnosing a state of each of the plurality of batteries based on the detected outlier.

Abstract: The present invention relates to: a battery cell including a punched portion formed through a separator, and a short-circuit inducing member disposed on the punched portion; and a method for evaluating the safety of a battery under internal short-circuit conditions by using the battery cell. Using the battery cell of the present invention, the safety of a battery under internal short-circuit conditions can be easily evaluated without physical deformation or reassembly of the battery cell.

Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, since the non-aqueous electrolyte solution forms a robust solid electrolyte interphase (SEI) by including a lithium salt, an organic solvent, and a compound represented by Formula 1, the non-aqueous electrolyte solution for a lithium secondary battery may improve battery performance, wherein, in Formula 1, R and R1 are described herein.

Abstract: A lithium metal is physically pressed to a silicon wafer having a uniform intaglio or embossed pattern formed thereon in advance, or liquid lithium is applied to the silicon wafer and may then be cooled in order to form a uniform pattern on the surface of the lithium metal.

Abstract: A battery management apparatus and method according to an embodiment of the present disclosure is directed to obtaining a positive electrode profile and a negative electrode profile for a battery cell in a non-destructive manner by appropriately adjusting a preset negative electrode profile. According to one aspect of the present disclosure, by using the battery profile and the adjusted negative electrode profile for the degraded battery cell, there is an advantage that the positive electrode profile of the degraded battery cell may be easily estimated in a non-destructive manner.

Abstract: Disclosed herein is a separator for electrochemical devices, configured to guarantee electrical insulation between a positive electrode and a negative electrode, wherein the separator includes no polyolefin substrate, and includes inorganic particles, a binder for coupling between the inorganic particles, and a crosslinking agent.

Abstract: A separator including a porous polymer substrate and an inorganic coating layer formed on at least one surface of the porous polymer substrate. The inorganic coating layer includes inorganic particles and a binder resin. The binder resin includes a first binder resin and a second binder resin. The first binder resin comprises a polyvinylidene fluoride (PVdF)-based polymer and the second binder resin comprises an acrylic polymer. The acrylic polymer has an acid value of 1 or less and a glass transition temperature, Tg, of 90° C. to 130° C. In addition, the inorganic coating layer has a high content of binder resin at the top layer portion to provide excellent adhesion between the separator and an electrode.