Abstract: A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, and a water tank located on one surface of each of the battery module housings, the water tank being configured to receive a coolant, wherein at least a portion of the surface of the battery module housing that faces the water tank is open, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

Abstract: A battery pack includes a battery pack case configured to receive one or more battery modules and a heat sink located above the battery modules, wherein each of the battery modules includes a plurality of battery cells, a water tank located above the plurality of battery cells, and a module case configured to receive the plurality of battery cells and the water tank, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

Abstract: A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. The battery module housing is configured to wrap the plurality of battery cells. In a battery pack including a plurality of battery modules, it is possible to prevent thermal spread between adjacent battery modules when fire breaks out in a battery cell.

Abstract: A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. At least a portion of the surface of the battery module housing that faces the water tank is open, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

Abstract: A method of manufacturing a battery module may prevent chain ignition. The method may include preparing a module case having a plurality of receiving portions formed therein, each of the receiving portions having a space of a predetermined size; disposing a respective battery cell among a plurality battery cells in each of the receiving portions; and heating the module case with the battery cells to a predetermined temperature to fix the battery cells in the respective receiving portions of the module case. The module case comprises a lower plate, a plurality of side plates, and a plurality of partition walls configured to form the receiving portions, and each of the partition walls comprises a lower partition wall extending from the lower plate by a predetermined height and an upper partition wall extending from the lower partition wall by a predetermined height.

Abstract: A battery module prevents a fire from increasing in size and prevents electrical short circuits due to dew condensation in case of a fire. A battery module for achieving the object as described above includes a cell assembly having a plurality of battery cells, a front cover including an upper wall, a lower wall, a left wall, and a right wall, which form an inner space, and a module case accommodating the cell assembly in the inner space, coupled to the front cover, and provided with a cover portion that has a portion protruding to face at least one of the upper wall, the lower wall, the left wall, and the right wall.

Abstract: A battery module has an improved gas venting structure, and a battery pack including the same. Heat emission efficiency of a battery cell can be improved, and the outflow of sparks or embers can be blocked even when a thermal runaway of a battery cell occurs by forming a bracket formed at a position where mesh structures are alternately formed, at an inside a plate where mesh structures are formed.

Abstract: Disclosed is a battery module, which includes a plurality of battery cells stacked on each other, and a plurality of adhesive sheets respectively provided between the plurality of battery cells and configured to generate an adhesion force after the plurality of battery cells are aligned.

Abstract: A battery module includes a battery cell stack constituted by a plurality of stacked pouch-shaped battery cells, a battery module housing configured to receive the battery cell stack, and a heat dissipation member coupled to a portion of the battery module housing, wherein the heat dissipation member has a through-hole formed in a heat dissipation plate disposed so as to face the battery cell stack and a sealing member is added to the through-hole, and a method of manufacturing the heat dissipation member. It is possible to effectively prevent thermal runaway of a battery cell that has caught fire while minimizing an increase in volume of the battery module.

Abstract: The present invention relates to a battery module comprising a particulate metal-dispersed thermal conductive resin, and a method and a system for inspecting same. The present invention can effectively inspect the degree of dispersion in the resin in a nondestructive manner and can detect a defect.

Abstract: Disclosed is a battery module, which includes a plurality of battery cells stacked on each other; and a plurality of adhesive members respectively disposed between the plurality of battery cells and configured to be removable according to a user manipulation.

Abstract: A battery module includes a battery cell stack includes a plurality of battery cells stacked in the state of being arranged adjacent to each other, a module case disposed at the outer surface of the battery cell stack so as to fix the battery cell stack, a bus bar configured to electrically connect electrode leads protruding from the battery cells to each other, and a heat insulation member disposed outside the bus bar, whereby it is possible to rapidly and easily extinguish flames generated in the battery module and to prevent the diffusion of the flames.

Abstract: A spot welding jig is provided. The spot welding jig presses electrode leads of battery cells to be closely adhered onto a bus bar when spot welding is performed to the electrode leads interposed on the bus bar along a width direction of the electrode leads. The spot welding jig includes a passing portion through which a welding laser passes, and a predetermined number of barriers configured to vertically partition an inner space of the passing portion.

Abstract: A method of manufacturing a battery cell assembly in which a plurality of battery cells are stacked includes a step of coupling battery cells adjacent to each other among the plurality of battery cells using a one-component liquid material, wherein the one-component liquid material is coated onto at least one battery cell of the battery cells adjacent to each other by a spray-coating method.

Abstract: A battery module a battery cell stack in which a plurality of battery cells are stacked, a busbar frame connected to the battery cell stack, cell terraces each protruding from battery cells adjacent to each other among the battery cells included in the battery cell stack, electrode leads each protruding from the cell terraces, and an insulating adhesive layer which is located between electrode leads adjacent to each other among the electrode leads and cover the boundary between the cell terrace and the electrode lead, wherein the insulating adhesive layer is in close contact with a stepped part formed by the cell terrace and the electrode lead.

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a plate disposed to contact the plurality of battery cells on a side surface of the battery cell stack and disposed in a direction parallel to a stacking direction of the plurality of battery cells included in the battery cell stack; and an adhesive layer applied to the plate to contact the battery cell stack and the plate. A battery pack can include the battery module.

Abstract: The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol derivative which can be utilized in various ways as a drug linker, and is appropriate and effective for mass production and is advantageous in reproducible mass production of high-quality products.

Abstract: A method of mounting a bus-bar frame includes: forming a plurality of cell lead blocks and a battery cell stacked body by alternately stacking a cell lead block and at least one battery cell; disposing a top cover with respective ends on which a bus-bar frame is installed so as to cover the battery cell stacked body; removing the lead blocks from a space between the battery cell stacked body and the bus-bar frame; and installing the bus-bar frame on the battery cell stacked body by rotating the bus-bar frame. The alternately stacking of the cell lead block and the at least one battery cell includes positioning an electrode lead protruding from each battery cell between neighboring ones of the cell lead blocks.

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a plate disposed to contact the plurality of battery cells on a side surface of the battery cell stack and disposed in a direction parallel to a stacking direction of the plurality of battery cells included in the battery cell stack; and an adhesive layer applied to the plate to contact the battery cell stack and the plate. A battery pack can include the battery module.

Abstract: The present invention relates to an improved method for preparing a high purity polyethylene glycol dialdehyde derivative. The preparation method can provide the polyethylene glycol dialdehyde derivative suitable as a raw material for pharmaceuticals because of high purity and terminal activity, by using PEG-diacetal, which is prepared by reacting polyethyleneglycol methanesulfonate with dialkoxy-1-propanol, as an intermediate.