Provided are a battery pack and an electric vehicle. The battery pack includes a case, a cooling plate assembly and an energy storage unit. The cooling plate assembly and the energy storage unit are arranged inside the case, and the cooling plate assembly at least includes a first cooling plate. The first cooling plate is fixed on the case, and the first cooling plate divides the case, in a Z-direction, into a first accommodating space which is located above the first cooling plate, and a second accommodating space which is located below the first cooling plate. The energy storage unit at least includes a first energy storage unit which is arranged inside the first accommodating space and fixed on the first cooling plate, and a second energy storage unit which is arranged inside the second accommodating space.

A battery module includes a plurality of battery cells; a module housing configured to accommodate a cell stack including the plurality of battery cells; and a sprinkler provided through the module housing at one side of the cell stack in a stacking direction, and the sprinkler includes a coupler positioned at an outer side of the module housing and connected to a supply tube that supplies a cooling fluid; a sprinkler head positioned at an inner side of the module housing and connected to the coupler; and an insulation cover assembly having an insulation cover configured to cover the sprinkler head and an impeller assembly configured to cover an opening formed at one side end of the insulation cover in a longitudinal direction.

A cell having a galvanic cell, a first semiconductor switching element, a first cell connection, which is directly electrically coupled to a first potential connection of the galvanic cell, and a second cell connection, which is electrically coupled via the first semiconductor switching element to a second potential connection of the galvanic cell. The battery cell includes a third cell connection electrically coupled to the second potential connection of the galvanic cell, a second semiconductor switching element, and a fourth cell connection, which is electrically coupled via the second semiconductor switching element to the first potential connection of the galvanic cell.

A cell having a galvanic cell, a first semiconductor switching element, a first cell connection, which is directly electrically coupled to a first potential connection of the galvanic cell, and a second cell connection, which is electrically coupled via the first semiconductor switching element to a second potential connection of the galvanic cell. The battery cell includes a third cell connection electrically coupled to the second potential connection of the galvanic cell, a second semiconductor switching element, and a fourth cell connection, which is electrically coupled via the second semiconductor switching element to the first potential connection of the galvanic cell.

A battery pack includes a pack housing, and at least one battery assembly accommodated in the pack housing. The battery assembly includes a first cell stack and a second cell stack in each of which a plurality of battery cells are stacked, and a busbar assembly electrically connecting the plurality of battery cells to each other. The busbar assembly includes a first coupling portion coupled to the first cell stack, a second coupling portion coupled to the second cell stack, and a connection portion connecting the first coupling portion and the second coupling portion to each other.

A battery module includes a cell assembly including a plurality of battery cells, and a module housing having an arrangement space for accommodating the cell assembly and a cover plate covering a top surface of the cell assembly. The cover plate has at least one discharge hole for discharging gas generated in the cell assembly. A blocking member is disposed between the top surface of the cell assembly and the cover plate to block flame or a combustion material from being discharged externally of the module housing through the discharge hole.

A battery module includes a plurality of secondary batteries, each including an electrode assembly and an electrolyte accommodated in an inner space of an exterior case. The battery module also includes an electrode lead having a body and a plate-shaped head portion. A first end of the body is electrically connected to a positive electrode plate or a negative electrode plate of the electrode assembly, and a second end of the body protrudes outward from the exterior case. The plate-shaped head extends in both directions perpendicular to the protruding direction of the body from the second end. The battery module also includes a bus bar having a plate shape with a slit extending inwardly from one end thereof so as to receive a portion of the body. The electrode lead and the bus bar may be at least partially made of an electrically conductive material.

Systems, methods, and apparatus for a structurally cross-tied energy cell are disclosed. In one or more embodiments, a battery comprises a plurality of battery cells, each comprising an anode layer and a cathode layer. The battery further comprises a plurality of anode cross ties electrically connected to at least some of the anode layers of the battery. Further, the battery comprises a plurality of cathode cross ties electrically connected to at least some of the cathode layers of the battery. In one or more embodiments, the anode cross ties and the cathode cross ties run through all of the battery cells of the battery. In at least one embodiment, the anode cross ties and the cathode cross ties are manufactured from an electrical conductor material. In some embodiments, the anode cross ties and the cathode cross ties each comprise conductive protrusions, which are located external to the battery.

Systems, methods, and apparatus for a structurally cross-tied energy cell are disclosed. In one or more embodiments, a battery comprises a plurality of battery cells, each comprising an anode layer and a cathode layer. The battery further comprises a plurality of anode cross ties electrically connected to at least some of the anode layers of the battery. Further, the battery comprises a plurality of cathode cross ties electrically connected to at least some of the cathode layers of the battery. In one or more embodiments, the anode cross ties and the cathode cross ties run through all of the battery cells of the battery. In at least one embodiment, the anode cross ties and the cathode cross ties are manufactured from an electrical conductor material. In some embodiments, the anode cross ties and the cathode cross ties each comprise conductive protrusions, which are located external to the battery.

A battery module is disclosed, which includes: a multiplicity of battery cells; a printed circuit board with a first series-connector with a first pad area and a second pad area, and a second series-connector with a third pad area and a fourth pad area; a cross-connector, which connects the first series-connector between the first pad area and the second pad area with the second series-connector between the third pad area and the fourth pad area; and a sensor configured to detect a cross-current at the cross-connector. The first contact electrode of a first battery cell is connected with the first pad area. The second contact electrode of a second battery cell is connected with the second pad area. The first contact electrode of a third battery cell is connected with the third pad area. The second contact electrode of a fourth battery cell is connected with the fourth pad area.