A battery device for a motor vehicle, having a first battery module with a first housing, a second battery module which is arranged next to the first battery module in a first direction (X) with a second housing, a coolant channel, and a battery module connector arranged in the coolant channel for electrically contacting the first and the second battery module. The first and the second housing have coolant inlet openings on respective opposite end sides in a second direction (Y) arranged orthogonally to the first direction (X). In each case one coolant outlet opening is arranged in the center of the first or second housing with respect to the second direction (Y) and leads into the coolant channel.

A battery module is proposed. The battery module includes a plurality of battery sub-modules, and a front cover part configured to cover an outermost stacking surface of the plurality of stacked battery sub-modules. The front cover part includes a front plate including a contact terminal electrically connected to an outside, a bus bar electrically connecting the plurality of battery sub-modules to each other, and a disconnection induction bus bar coupled to an inside end of the contact terminal to press and contact the bus bar, and a switching slider configured to slide between the bus bar and the disconnection induction bus bar.

A battery pack includes a cell unit including one or more battery cells, a cell accommodating member accommodating a plurality of the cell units, and a housing surrounding at least a portion of an outer periphery of the cell accommodating member. The cell accommodating member includes a first accommodating portion accommodating the cell unit and having one open side, and a second accommodating portion provided in plural and having the other open side. The second accommodating portion is disposed between the first accommodating portions adjacent to each other to separate the first accommodating portions from each other.

A battery pack includes a cell unit including one or more battery cells, a cell accommodating member accommodating a plurality of the cell units, and a housing surrounding at least a portion of an outer periphery of the cell accommodating member. The cell accommodating member includes a first accommodating portion accommodating the cell unit and having one open side, and a second accommodating portion provided in plural and having the other open side. The second accommodating portion is disposed between the first accommodating portions adjacent to each other to separate the first accommodating portions from each other.

A power storage device includes a case body made of metal and having an opening that opens in at least one direction, a power storage module placed inside the case body, a closing plate made of metal and welded to the case body so as to close the opening of the case body, an insulating sheet covering an inner surface of the case body and an inner surface of the closing plate, and a covering portion made of an insulating material and covering a boundary portion between the inner surface of the case body and the inner surface of the closing plate.

A power storage device includes a case body made of metal and having an opening that opens in at least one direction, a power storage module placed inside the case body, a closing plate made of metal and welded to the case body so as to close the opening of the case body, an insulating sheet covering an inner surface of the case body and an inner surface of the closing plate, and a covering portion made of an insulating material and covering a boundary portion between the inner surface of the case body and the inner surface of the closing plate.

An energy module for a powered unit includes: a plurality of cells; a pair of current collector strips; and a plurality of rivets. The plurality of rivets are configured to electrically connect the plurality of cells to the pair of current collector strips. Each cell of the plurality of cells consists of two terminals. The pair of current collector strips are mounted on the two terminals of each cell of the plurality of cells using the plurality of rivets. An elastic member based electrical connector assembly, along with a rivet from the plurality of rivets, is connected to at least one terminal of each cell of the plurality of cells for establishing an electrical connection between the at least one terminal and a current collector strip from the pair of current collector strips.

Disclosed herein are a battery cell housing, a battery cell, a battery, and an electric device. The battery cell housing defines a cavity configured to accommodate an electrode assembly, and the battery cell housing includes a first housing and a second housing. The first housing is electrically connected to a first tab of the electrode assembly. The second housing is fixed to the first housing in an insulated manner. The second housing is electrically connected to a second tab of the electrode assembly and the second tab is different from the first tab in polarity. The first housing includes a bulge electrically connected to the first tab, and the bulge extends in a direction approaching the second housing. Therefore, there is no need to provide a hole in the battery cell housing, thereby rendering the battery cell housing more integral.

A battery module housing for accommodating at least one cell stack for use in a motor vehicle. The battery module housing includes a plurality of housing units for accommodating battery cells, as well as a front and a rear cover member for closing the housing units. The housing units are designed as extrusion profiles and include a front and a rear face-side opening for introducing the battery cells and a housing wall arranged between the openings. The housing units are positively connected to one another via their housing wall and the front and rear cover elements are designed to cover the front and rear face-side openings of the housing units.

A hybrid material housing for a battery is provided for reducing or minimizing thermal runaway propagation. The housing includes a composite structure that contains the battery and optionally includes a polymeric matrix selected from the group consisting of: epoxy, phenolic resin, polyester, vinyl ester, and combinations thereof and a reinforcing material selected from the group consisting of: glass fibers, carbon fibers, basalt fibers, aromatic polyamide KEVLAR® fibers, and combinations thereof. A metal layer is disposed along an exterior surface of the composite structure that comprises aluminum, steel, stainless steel, alloys, and combinations thereof. In a first mode, the metal layer contacts the composite structure and in a second mode after exposure to a thermal load of greater than or equal to about 500° C., the metal layer at least partially delaminates from the exterior surface and forms insulating air gaps to define a thermal barrier. Methods of forming the hybrid material housings are also provided.