A battery module includes a plurality of cylindrical battery cells having electrode terminals; a module housing having an inner space to accommodate the cylindrical battery cells; and a module bus bar configured to electrically connect the cylindrical battery cells to each other. The module bus bar includes a first metal plate having a first body portion facing an outer surface of the module housing and a first contact portion configured to contact the electrode terminal; and a second metal plate having a second body portion stacked on an outer side of the first body portion of the first metal plate, a second contact portion configured to contact the electrode terminal, and a fuse portion configured to electrically connect the second contact portion and the second body portion and be disconnected at a predetermined current or above. The second metal plate has a smaller thickness than the first metal plate.

A battery module according to an embodiment of the present disclosure includes: a cell stack including a plurality of battery cells each including a pair of electrode leads; a fastening bar frame including a pair of lead slits through which electrode leads of adjacent battery cells are passed through; and a fastening bar including an insertion slit through which a pair of electrode leads passing through the pair of adjacent lead slits pass, the fastening bar being coupled to the fastening bar frame.

A battery module according to an embodiment of the present disclosure includes: a cell stack including a plurality of battery cells each including a pair of electrode leads; a fastening bar frame including a pair of lead slits through which electrode leads of adjacent battery cells are passed through; and a fastening bar including an insertion slit through which a pair of electrode leads passing through the pair of adjacent lead slits pass, the fastening bar being coupled to the fastening bar frame.

Discussed is a battery pack including a plurality of battery cells coupled to a busbar plate and a battery pack case configured to receive the plurality of battery cells, wherein an external coupling portion of the busbar plate is disposed at the outer surface of the battery pack case so as to be exposed therefrom, and the external coupling portion is coupled to a ring terminal by fastening using a rivet without being deformed. The external coupling portion of the busbar plate is formed so as to be short such that opposite surfaces of the ring terminal can be coupled to the busbar plate.

A contact assembly includes a contact element having a lead-through opening, a contact section extending in a tube-shaped manner along the lead-through opening and having a contact surface, and a collar section connected to the contact section and extending the lead-through opening in a sleeve-shaped manner, a busbar having a reception opening receiving the collar section, and a fastener inserted into the lead-through opening. The contact element has a first friction surface affixable with the busbar in the reception opening in a frictionally engaging manner and a second friction surface affixable in the reception opening with the busbar or in the lead-through opening with the fastener in a frictionally engaging manner. The first friction surface and the second friction surface are mutually offset in a radial direction with respect to the lead-through opening.

Embodiments of the application provide a fixing member, a battery, an electric device, a battery, and a method and system for manufacturing the battery. The fixing member according to an embodiment of the application is used for fixing a workpiece, and comprises a base for connecting an external pedestal; a top cover connected to the base, an accommodating groove for accommodating the workpiece being formed between the base and the top cover; a first elastic member arranged between the top wall and the bottom wall of the accommodating groove; and a second elastic member arranged between two inner side walls of the accommodating groove. The fixing member according to an embodiment of the application can reduce the shaking of the workpiece and improve the stability of the battery.

Embodiments of the application provide a fixing member, a battery, an electric device, a battery, and a method and system for manufacturing the battery. The fixing member according to an embodiment of the application is used for fixing a workpiece, and comprises a base for connecting an external pedestal; a top cover connected to the base, an accommodating groove for accommodating the workpiece being formed between the base and the top cover; a first elastic member arranged between the top wall and the bottom wall of the accommodating groove; and a second elastic member arranged between two inner side walls of the accommodating groove. The fixing member according to an embodiment of the application can reduce the shaking of the workpiece and improve the stability of the battery.

A method for manufacturing an electricity-storage module includes: preparing a stacked body and first sealing portions; processing an extension portion of one or more first sealing portions included in an outer edge portion in a stacking direction of the stacked body so that an extension portion length of the one or more of first sealing portions becomes shorter than a length of the extension portions of the first sealing portions which are not included in the outer edge portion; and forming a second sealing portion that is provided at the periphery of the first sealing portions when viewed from the stacking direction and covers at least parts of outer surfaces of the first sealing portions located at stacking ends of the stacked body in the stacking direction by injection molding in which a resin material is caused to circulate in a mold frame.

A battery module includes a plurality of battery cells, a first cell frame and a second cell frame disposed at front and rear sides, respectively, and coupled to each other to define an internal space in which the plurality of battery cells is disposed, and having a hole of a predetermined size, a plurality of fixing bars, each disposed in each of a front surface of the first cell frame and a rear surface of the second cell frame and configured to limit front-rear movement of the first and second cell frames, and at least one long bolt inserted into the hole, and having a front end part coupled to the fixing bar disposed in the front surface of the first cell frame and a rear end part coupled to the fixing bar disposed in the rear surface of the second cell frame.

A battery module includes a plurality of battery cells, a first cell frame and a second cell frame disposed at front and rear sides, respectively, and coupled to each other to define an internal space in which the plurality of battery cells is disposed, and having a hole of a predetermined size, a plurality of fixing bars, each disposed in each of a front surface of the first cell frame and a rear surface of the second cell frame and configured to limit front-rear movement of the first and second cell frames, and at least one long bolt inserted into the hole, and having a front end part coupled to the fixing bar disposed in the front surface of the first cell frame and a rear end part coupled to the fixing bar disposed in the rear surface of the second cell frame.