A secondary battery module includes a plurality of battery blocks each obtained by stacking a plurality of battery cells. The secondary battery module includes a holding member adapted to hold the plurality of battery blocks and including a pair of opposed end plates, a pair of opposed side plates, and a section plate arranged between the adjacent battery blocks to partition the battery blocks; and an inter-block bus bar provided across the section plate and adapted to electrically connect the adjacent battery blocks. The inter-block bus bar has a fuse portion.

The present invention pertains to a battery housing for receiving battery cells, preferably for use in an electric or hybrid vehicle, the battery housing comprising a bottom plate forming a base of the housing, wherein the bottom plate is connectable to another bottom plate of the same kind by means of a connection system to form a modular bottom of the housing.

The present invention pertains to a battery housing for receiving battery cells, preferably for use in an electric or hybrid vehicle, the battery housing comprising a bottom plate forming a base of the housing, wherein the bottom plate is connectable to another bottom plate of the same kind by means of a connection system to form a modular bottom of the housing.

A battery cassette is disclosed. The battery cassette may include a frame including one or more hollow tubes. The battery cassette may further include a seal component having one or more hollow tubes aligned with the hollow tubes of the frame. The frame and the seal component may be configured to receive one or more battery cells in the hollow tubes.

A battery cassette is disclosed. The battery cassette may include a frame including one or more hollow tubes. The battery cassette may further include a seal component having one or more hollow tubes aligned with the hollow tubes of the frame. The frame and the seal component may be configured to receive one or more battery cells in the hollow tubes.

A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides of the sensing bus bar in a left and right direction of the bus bar frame.

Provided are a battery pack case and a battery pack including the same. A battery pack case is capable of preventing heat from propagating from a trigger module to a normal module by providing a flow channel, through which gas generated during a thermal runaway situation is flowable, in frames constituting the battery pack case, and discharging the gas or like to the outside through the flow channel.

A battery module includes a plurality of secondary battery cells and a negative current collector. Each of the secondary battery cells includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a case accommodating the electrode assembly, a positive terminal electrically connected to the positive electrode, and a negative terminal electrically connected to the negative electrode. The case of each of the plurality of secondary battery cells has a groove that is part of the negative terminal. The negative current collector includes a negative connection portion mechanically and electrically connected with a first one of the plurality of secondary battery cells by a first press fit connection in the groove of the case.

A battery module includes a plurality of secondary battery cells and a negative current collector. Each of the secondary battery cells includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a case accommodating the electrode assembly, a positive terminal electrically connected to the positive electrode, and a negative terminal electrically connected to the negative electrode. The case of each of the plurality of secondary battery cells has a groove that is part of the negative terminal. The negative current collector includes a negative connection portion mechanically and electrically connected with a first one of the plurality of secondary battery cells by a first press fit connection in the groove of the case.

A battery module includes secondary battery cells; a one positive current collector structure; and a negative current collector structure; wherein the secondary battery cells include an electrode assembly, a positive terminal electrically, a negative terminal, and a case receiving the electrode assembly, the positive current collector structure interconnects the positive terminals of the secondary battery cells, the negative current collector structure interconnects the negative terminals of the secondary battery cells, the case of each secondary battery cell includes a groove extending around a circumference of the case and forming a part of the negative terminal, and the negative current collector structure includes a flat negative busbar in a plane aligned with the circumference of the case, the flat negative busbar projecting into the groove of the cases to connect the negative current collector structure and the negative terminals of secondary battery cells.