A battery pack assembly for use in an aircraft is disclosed. The battery pack assembly may include at least a battery cell, wherein the battery cell may include a pair of electrodes, a pair of conductive foil tabs and an electrolyte. The battery pack assembly may include a battery cell case, wherein the battery cell case is configured to surround at least a portion of the at least a battery cell, wherein the battery cell case may include a layer, wherein the layer is configured to provide a pressure against the at least a battery cell.

The present embodiment comprises: a pallet on which a cell assembly, in which a cell is accommodated inside a pouch, is placed; a pallet rail along which the pallet is guided; a marking printer which forms a mark on the cell assembly placed on the pallet; a mark reader which reads the mark generated by the marking printer; a first meter which measures a weight of the cell assembly; an injector which has an injection nozzle injecting an electrolyte into the pouch of the cell assembly; a second meter which measures a weight of the cell assembly having the electrolyte injected thereinto; and a sealing unit which seals the pouch and has a vacuum chamber into which the cell assembly is inserted.

A battery for a drive of a motor vehicle includes at least one energy reservoir, a housing, an interior, and a diffuser element. The housing surrounds the interior and the energy reservoir is arranged in the interior. The diffuser element is attached to an exterior of the housing. The diffuser element includes a plurality of diffuser outlets, a plurality of side faces, and a head face. The side faces are arranged between the housing and the head face. A housing outlet is arranged in the housing, which outlet is configured so as to discharge gas out of the interior in an outgoing direction to the diffuser element. The outgoing direction is directed from the housing outlet towards the head face. The diffuser outlets are arranged on the side faces.

A method of manufacturing a secondary battery including an electrode body element fabricating step in which a first electrode body element including a positive electrode plate and a negative electrode plate, and a second electrode body element including a positive electrode plate and a negative electrode plate are fabricated, a tab-connecting step in which a first positive electrode tab group of the first electrode body element and a second positive electrode tab group of the second electrode body element are connected to a second positive electrode collector, and a first negative electrode tab group of the first electrode body element and a second negative electrode tab group of the second electrode body element are connected to a second negative electrode collector, and an electrode body fabricating step in which, after the tab-connecting step, the first electrode body element and the second electrode body element are unified.

A battery includes a case and a battery core assembly disposed in the case, the battery core assembly includes a plurality of battery core groups and an receiving space holding the plurality of battery core groups, the battery core groups are connected in series, and the battery core group includes at least one battery core; a separator plate is disposed between at least two adjacent battery core groups, the separator plate divides the receiving space into a plurality of receiving cavities, each of the receiving cavities holds one or more battery core groups , and a cavity wall of the receiving cavity comprised by a connection of the separator plate and a separation membrane; and the battery further includes a liquid injection channel and the liquid injection channel in a sealed state, the liquid injection channel is disposed on at least one of the separation membranes and the separator plates.

A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.

A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly provided with a non-coated area tab that protrudes to one side of a coated area; a case provided with an opening at one side thereof to receive the electrode assembly; a cap plate coupled and welded to the opening; an electrode terminal provided in the cap plate and electrically connected to the non-coated area tab; and an insulation sheet disposed between the cap plate and the electrode assembly, and bent toward a direction crossing the cap plate at opposite ends of the inside of the cap plate and insulating the electrode assembly, wherein the insulation sheet includes a spacing portion that is distanced from a side corner of a welding line of the cap plate and the case.

In one example, a system for a flow cell for a flow battery, comprising: a first flow field; and a polymeric frame, comprising: a top face; a bottom face, opposite the top face; a first side; a second side, opposite the first side; a first electrolyte inlet located on the top face and the first side of the polymeric frame; a first electrolyte outlet located on the top face and the second side of the polymeric frame; a first electrolyte inlet flow path located within the polymeric frame and coupled to the first electrolyte inlet; and a first electrolyte outlet flow path located within the polymeric frame and coupled to the first electrolyte outlet. In this way, shunt currents may be minimized by increasing the length and/or reducing the cross-sectional area of the electrolyte inlet and electrolyte outlet flow paths.

In one example, a system for a flow cell for a flow battery, comprising: a first flow field; and a polymeric frame, comprising: a top face; a bottom face, opposite the top face; a first side; a second side, opposite the first side; a first electrolyte inlet located on the top face and the first side of the polymeric frame; a first electrolyte outlet located on the top face and the second side of the polymeric frame; a first electrolyte inlet flow path located within the polymeric frame and coupled to the first electrolyte inlet; and a first electrolyte outlet flow path located within the polymeric frame and coupled to the first electrolyte outlet. In this way, shunt currents may be minimized by increasing the length and/or reducing the cross-sectional area of the electrolyte inlet and electrolyte outlet flow paths.

The invention relates to a battery, in particular to a hybrid battery. The invention provides a hybrid battery that is easy to replace a terminal block and has low maintenance cost, comprising a casing and at least two different sets of battery cells arranged in the casing, wherein the casing is detachably provided with a terminal block, the terminal block is electrically connected with the electrode of the battery cells. When in use, the terminal block in the invention can be detached from the hybrid battery in time if the terminal block is oxidized and blackened for long time use, and only the terminal block is replaced instead of the entire hybrid battery, therefore, the maintenance cost of the hybrid battery is low.