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.

A battery module includes: a plurality of battery cells stacked in a predetermined direction; a restraint member that applies, to the plurality of battery cells, restraint force along the predetermined direction; and a plurality of bus bars that electrically connects the plurality of battery cells together, the plurality of bus bars including a first bus bar and a second bus bar. The first bus bar has a first joining portion that joins separated members to each other by a first joining form, and connects, via the first joining portion, between battery cells adjacent to each other in the predetermined direction. The second bus bar has a second joining portion that joins separated members to each other by a second joining form different from the first joining form, and connects, via the second joining portion, between battery cells adjacent to each other in the predetermined direction.

A battery module includes: a plurality of battery cells stacked in a predetermined direction; a restraint member that applies, to the plurality of battery cells, restraint force along the predetermined direction; and a plurality of bus bars that electrically connects the plurality of battery cells together, the plurality of bus bars including a first bus bar and a second bus bar. The first bus bar has a first joining portion that joins separated members to each other by a first joining form, and connects, via the first joining portion, between battery cells adjacent to each other in the predetermined direction. The second bus bar has a second joining portion that joins separated members to each other by a second joining form different from the first joining form, and connects, via the second joining portion, between battery cells adjacent to each other in the predetermined direction.

A battery module includes: a plurality of battery cells arranged side by side in a first direction, each of the plurality of battery cells having a prismatic shape; a restraint mechanism that restrains the plurality of battery cells in the first direction; and a restraint force adjustment mechanism capable of adjusting a restraint load in the first direction, the restraint load being applied by the restraint mechanism. The restraint force adjustment mechanism includes an operation portion to be operated when adjusting the restraint load. The operation portion is provided on the battery module.

A battery module includes: a plurality of battery cells arranged side by side in a first direction, each of the plurality of battery cells having a prismatic shape; a restraint mechanism that restrains the plurality of battery cells in the first direction; and a restraint force adjustment mechanism capable of adjusting a restraint load in the first direction, the restraint load being applied by the restraint mechanism. The restraint force adjustment mechanism includes an operation portion to be operated when adjusting the restraint load. The operation portion is provided on the battery module.

A battery module of the present disclosure includes: a cell assembly including at least one battery cell; a bus bar assembly including a terminal bus bar electrically connected to the electrode lead of the cell assembly, and a bus bar frame for covering the cell assembly on at least one side; and an insulating frame for covering the bus bar assembly from the outside, wherein the battery module comprises a nut adjacent to the terminal bus bar and mounted in a nut insertion chamber having a space inside the insulating frame, and the insulating frame comprises a protrusion that protrudes from a side wall of the nut insertion chamber and makes contact with the nut.

A battery module of the present disclosure includes: a cell assembly including at least one battery cell; a bus bar assembly including a terminal bus bar electrically connected to the electrode lead of the cell assembly, and a bus bar frame for covering the cell assembly on at least one side; and an insulating frame for covering the bus bar assembly from the outside, wherein the battery module comprises a nut adjacent to the terminal bus bar and mounted in a nut insertion chamber having a space inside the insulating frame, and the insulating frame comprises a protrusion that protrudes from a side wall of the nut insertion chamber and makes contact with the nut.

An electrical storage module includes: a plurality of electrical storage devices; and a bus bar that connects electrode terminals of the electrical storage devices to each other, in which the electrical storage device includes an outer covering can in which an opening is formed, and a plate-shaped sealing body that is provided with the electrode terminal and is inserted into the opening of the outer covering can, the electrode terminal has a container that includes a through-hole or a recess that is formed in a direction substantially orthogonal to a direction in which the sealing body is inserted into the outer covering can, and the bus bar includes a press-fitting portion that is press-fitted into the container.

An electrical storage module includes: a plurality of electrical storage devices; and a bus bar that connects electrode terminals of the electrical storage devices to each other, in which the electrical storage device includes an outer covering can in which an opening is formed, and a plate-shaped sealing body that is provided with the electrode terminal and is inserted into the opening of the outer covering can, the electrode terminal has a container that includes a through-hole or a recess that is formed in a direction substantially orthogonal to a direction in which the sealing body is inserted into the outer covering can, and the bus bar includes a press-fitting portion that is press-fitted into the container.

A battery module is provided comprising a plurality of battery cells and a housing having an internal space in which the plurality of battery cells are accommodated. The housing is at least partially formed of a plate member which is connected with the internal space. The plate member forms a flame or gas path which in an event of a battery cell malfunction generating a flame or gas is configured to discharge the generated flame or gas externally of the housing.