Abstract: The present invention relates to a method for manufacturing a circuit board assembly, which includes: mounting a plurality of components on a circuit board; preparing a mold comprising a concave portion corresponding to a shape of each of the plurality of components and a convex portion corresponding to a surface of the circuit board; providing the mold at an upper side of the circuit board and preparing a protective material to be disposed on the circuit board; disposing the protective material on the circuit board and the components by using the mold; and curing the protective material to form a protective layer.

Abstract: A battery module includes a plurality of cylindrical battery cells each having a positive electrode terminal and a negative electrode terminal on one side of each respective battery cell; a busbar including an electrically conductive material and having a plate shape; and at least two types of connecting members each including an electrically conductive material, and having an elongated body, wherein one end in a direction in which the body extends is joined to the busbar, and the other end is joined to any one of the positive electrode terminal and the negative electrode terminal, the at least two types of connecting members having different joined areas depending on a joined terminal among the positive electrode terminal and the negative electrode terminal.

Abstract: Disclosed is a battery pack having improved waterproofing performance. The battery pack includes a plurality of secondary batteries; a connector including a connection terminal configured to receive electricity from an external device or to supply power to an outside of the battery pack, and an electrically insulating body surrounding a portion of the connection terminal; a pack housing having an inner space in which the plurality of secondary batteries are accommodated and having an insert hole so that at least a part of the body of the connector is inserted therein; and a connector gasket interposed between the insert hole and the connector and having a portion that is bent at least once in one direction, the connector gasket being at least partially compressed and fixed by inserting the connector into the insert hole.

Abstract: Disclosed is a battery module and a battery pack with improved durability. The battery module includes a plurality of cylindrical battery cells each respectively having electrode terminals; a module case having an accommodation portion in which the plurality of cylindrical battery cells are accommodated; a bus bar including a plate-shaped and electrically conductive body portion, and a connection portion configured to contact the electrode terminals to electrically connect the plurality of cylindrical battery cells to each other; an electrically insulating insulation sheet covering an outer side of the bus bar, the insulation sheet having an exposure hole through which at least a part of the bus bar is exposed to an outside; and an electrically insulating adhesive on the at least a part of the bus bar exposed to the outside through the exposure hole of the insulation sheet.

Abstract: Disclosed is a battery pack with improved durability and inner space efficiency to increase energy density. The battery pack includes a plurality of battery cells; a battery management unit configured to manage charging and discharging of the plurality of battery cells and including at least two printed circuit boards electrically connected to each other and arranged such that such that surfaces of the at least two printed circuit boards face each other; and an electrically insulating pack housing having an inner space in which the plurality of battery cells are accommodated and having a fixing unit being configured to fix the at least two printed circuit boards.

Abstract: Disclosed is a battery module and a battery pack with improved manufacture efficiency and durability. The battery module includes a plurality of cylindrical battery cells; a module case having an accommodation portion for accommodating the plurality of cylindrical battery cells; a bus bar including a body portion having electric conductivity and configured in a plate shape, and a connection portion configured to electrically connect the plurality of cylindrical battery cells to each other; and a fill material having electric insulation and hardened in a state of being filled between at least two of the plurality of cylindrical battery cells, the module case and the bus bar.

Abstract: A battery pack, and more particularly, to a battery pack in which a label wrapping a battery cell coupled to a PCM has a thin shape, which does not have an overlapping portion.

Abstract: A battery pack and a method for manufacturing the same, and more particularly, to a battery pack includes a top cap having a hook protrusion for protecting a PCB connected to a pouch-type battery cell and a method for manufacturing the same.

Abstract: A battery pack including: a battery cell provided with electrode terminals formed on one surface thereof and including a sealing surplus portion; a release cover having a label portion attached onto the one surface of the battery cell and displaying information; and a protection circuit module assembly connected to the battery cell through the electrode terminals, wherein the protection circuit module assembly may include: a protection circuit substrate electrically connected to the electrode terminals; an external input/output terminal formed on the protection circuit substrate; and an insulation member positioned between the protection circuit substrate and the battery cell, and wherein the release cover may be formed to enclose the protection circuit module assembly seated on the sealing surplus portion.

Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution. An upper case, a PCB, and a battery cell are simultaneously coupled to each other through a hot-melt process without using additional members, such as double-sided adhesive tape and a PCM case. In particular, a label can be removed from an embedded type battery pack. Consequently, it is possible to improve manufacturing efficiency and reduce manufacturing cost due to the reduction in the number of parts.

Abstract: The present invention relates to a manufacturing method of a battery pack including plate-shaped battery cells arranged on a plane so that electrode terminals thereof face each other, including: (a) a process of electrically connecting electrode terminals of battery cells to an electrode terminal connecting portion of a protection circuit board (PCB); (b) a process of mounting the battery cells connected to the PCB in a mold provided with two or more injection holes for a thermoplastic resin; (c) a process of injecting a thermoplastic resin through the injection holes to form a molding frame made of thermoplastic resin on an outer periphery of the PCB and the battery cells; and (d) a process of solidifying the molding frame.

Abstract: A battery pack including: a battery cell provided with electrode terminals formed on one surface thereof and including a sealing surplus portion; a release cover having a label portion attached onto the one surface of the battery cell and displaying information; and a protection circuit module assembly connected to the battery cell through the electrode terminals, wherein the protection circuit module assembly may include: a protection circuit substrate electrically connected to the electrode terminals; an external input/output terminal formed on the protection circuit substrate; and an insulation member positioned between the protection circuit substrate and the battery cell, and wherein the release cover may be formed to enclose the protection circuit module assembly seated on the sealing surplus portion.

Abstract: A battery pack, and more particularly, to a battery pack in which a label wrapping a battery cell coupled to a PCM has a thin shape, which does not have an overlapping portion.

Abstract: A battery pack and a method for manufacturing the same, and more particularly, to a battery pack includes a top cap having a hook protrusion for protecting a PCB connected to a pouch-type battery cell and a method for manufacturing the same.

Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution.

Abstract: The present invention relates to a manufacturing method of a battery pack including plate-shaped battery cells arranged on a plane so that electrode terminals thereof face each other, including: (a) a process of electrically connecting electrode terminals of battery cells to an electrode terminal connecting portion of a protection circuit board (PCB); (b) a process of mounting the battery cells connected to the PCB in a mold provided with two or more injection holes for a thermoplastic resin; (c) a process of injecting a thermoplastic resin through the injection holes to form a molding frame made of thermoplastic resin on an outer periphery of the PCB and the battery cells; and (d) a process of solidifying the molding frame.

Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution. An upper case, a PCB, and a battery cell are simultaneously coupled to each other through a hot-melt process without using additional members, such as double-sided adhesive tape and a PCM case. In particular, a label can be removed from an embedded type battery pack. Consequently, it is possible to improve manufacturing efficiency and reduce manufacturing cost due to the reduction in the number of parts.

Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution.