Abstract: A second battery module is stacked on a first battery module. A control device is mounted on a mounting plate of the first battery module. The control device is arranged between the first battery module and the second battery module. A control device of the first battery module is arranged between inner surfaces of first bolt insertion portions and inner surfaces of second bolt insertion portions of second battery holders.

Abstract: This battery module is provided with: a cell having a connection terminal; and a bus bar that is connected to the connection terminal and has an upright standing part that extends in the direction in which the connection terminal protrudes. The bus bar is connected, via a conductive wire, to an object to be connected, which is provided at a position separate from the connection terminal in the extending direction of the upright standing part. The cell is configured so as to be charged and discharged through the bus bar and the conductive wire.

Abstract: A battery module includes battery cells arranged side by side, two end plates sandwiching the battery cells, an elastic body, and a cover. The cover includes a first cover member and a second cover member. The battery module includes a cable that electrically connects a first electronic component and a second electronic component to each other. The cable has a bent portion capable of being deformed in accordance with relative movement between the first cover member and the second cover member in the arrangement direction. The cover includes support portions that support the cable to maintain the shape of the bent portion.

Abstract: A battery module 1 includes an array body including a plurality of battery cells held by cell holders and arranged along a predetermined array direction, and elastic members disposed between adjacent battery cells, and a restraint member applying a restraining load to the array body in the array direction. The cell holder has a protrusion protruding in the array direction, and a compression amount of the elastic member between the battery cells is regulated by the protrusion abutting on a cell holder of an adjacent battery cell.

Abstract: A battery pack includes a battery module including a plurality of rechargeable batteries, an electronic component that contributes to charging and discharging of the rechargeable batteries, and an installation body including an extending portion, which extends vertically. The installation body includes a placing portion, which projects from the extending portion in a direction crossing the vertical direction. At least one of the battery module and the electronic component is installed in the extending portion while being placed on the placing portion.

Abstract: A battery module is provided and includes a plurality of rechargeable batteries and a battery cover, wherein the rechargeable batteries are disposed adjacent to each other, each of the rechargeable batteries has a battery case having a wall portion equipped with an open valve that is constructed so as to open when the inner pressure of the battery case rises up to a threshold value, and the battery cover faces the wall portion. The battery cover has a plurality of cover members provided side by side in a direction toward which the rechargeable batteries are disposed adjacent to each other. The cover members include at least adjacent first and second cover members. The first cover member has a first edge portion and the second cover member has a second edge portion overlapped with the first edge portion.

Abstract: A battery module includes an array body in which a plurality of battery cells are arranged, a plurality of harnesses extending in an array direction of the battery cells in the array body and having connecting terminals of tips connected to electrode terminals of the predetermined battery cells, and a binding member configured to bind the plurality of harnesses in a harness bundle, wherein the harnesses branched off from the binding member have flexure between a position at which the harnesses are bound by the binding member and connecting positions of the electrode terminals and the connecting terminals.

Abstract: A battery module has battery cells. The battery cells are arranged side by side while being separately held by battery holders. The battery cells are connected in series with bus bars. Each bus bar has a bent portion. Each battery holder includes a protruding wall that is provided between connection terminals adjacent to each other in the direction in which the battery cells are arranged. The protruding walls protrude further than the connection terminals in the direction in which the connection terminals protrude from the cases.

Abstract: A power storage module is provided with: a pair of end plates for clamping a plurality of secondary cells arranged in parallel in one direction; first and second cover members fixed to one end plate of the pair of end plates, the first and second cover members being arranged facing the top surface of an enclosure, an electrode terminal being provided on the top surface; through-holes formed in the first and second cover members, the through-holes extending in the one direction; and engaging protrusions provided to first cell holders, the engaging protrusions protruding in the direction in which the first and second cover members are arranged, and being engaged with the first and second cover members, with the engaging protrusions passed through the through-holes.

Abstract: A battery module includes a battery assembly having battery structures arranged side by side, the battery structures each having a battery body and a battery holder, and a pressure application member. Each battery holder has a first surface, a second surface, a projecting portion, which projects from the first surface and has a distal end face, and a receptacle portion recessed in the second surface. The projecting portion of each battery holder is inserted into the receptacle portion of the adjacent battery holder in a state in which the distal end face is free of contact with the adjacent battery holder. Each battery body contacts the adjacent battery body such that at least one of the first and second surfaces of the battery holder, which holds a battery body, is free from contact with the adjacent battery holder.

Abstract: A battery module includes battery cells, a cover, a conductor, first and second end plates, an elastic body, and a fixing plate. The first and second end plates hold the battery cells from the opposite ends in the aligning direction. The elastic body is arranged between the second end plate and the battery cell that is adjacent to the second end plate. The fixing plate is arranged between the elastic body and the battery cell that is adjacent to the elastic body. The elastic body is configured to be elastically deformed to absorb a load applied to the first and second end plates as the battery cells expand. The fixing plate is fixed to the cover and configured to move with the cover in the aligning direction of the battery cell as the battery cells expand.

Abstract: A battery module has aligned battery cells, two plate members provided on the opposite ends in the aligning direction of the battery cells, fasteners joined to the plate members to integrate the battery cells, at least one connection bus bar, which connects terminals of adjacent battery cells in the aligning direction, and an elastic member, which absorbs expansion of the battery cells in the aligning direction. Each connection bus bar includes two connection portions connected to the terminals and a bend portion located between the two connection portions. In response to expansion in the aligning direction of the battery cells, the bend portion is extendable in the aligning direction. A total allowed deformation amount, which is based on the allowed deformation amount of the bend portions in the aligning direction, is set to be greater than or equal to the thickness in the aligning direction of the elastic member.

Abstract: A battery module is provided with: battery holders, which have accommodation sections; rechargeable batteries arranged side-by-side while being respectively received in the accommodation sections; a metal plate member, which is provided at least between rechargeable batteries adjacent to each other in the direction in which the rechargeable batteries are arranged side-by-side; and a pressure application member, which presses the rechargeable batteries and the plate member in the direction of the side-by-side arrangement. The battery holders respectively have openings into which the plate members are fitted. The plate members are fitted into the openings to protrude from the battery holders in the direction in which the rechargeable batteries are arranged side-by-side.

Abstract: A fastening member includes a column member, a first screw, and a second screw. The column member has a first end and a second end in the axial direction. The first screw is provided at the first end. The second screw is provided at the second end. The column member is configured so that a jig is axially fitted thereover from the second end, and so that rotating the jig having been fitted over the column member engages the first screw with a first body to be fastened. The first screw and the second screw have different axial lengths. The column member has a protrusion which prevents the jig from being fitted from the first end over the column member up to a position at which the jig can rotate the column member.

Abstract: A battery module includes battery cells, a cover, a conductor, first and second end plates, an elastic body, and a fixing plate. The first and second end plates hold the battery cells from the opposite ends in the aligning direction. The elastic body is arranged between the second end plate and the battery cell that is adjacent to the second end plate. The fixing plate is arranged between the elastic body and the battery cell that is adjacent to the elastic body. The elastic body is configured to be elastically deformed to absorb a load applied to the first and second end plates as the battery cells expand. The fixing plate is fixed to the cover and configured to move with the cover in the aligning direction of the battery cell as the battery cells expand.

Abstract: A battery module joined to a joint body. Each heat transfer plate of the battery module has a sandwiched portion provided between adjacent battery cells and a joined portion. A first heat conductive layer that contacts a battery cell and has a first thickness is provided on the sandwiched portion of each heat transfer plate. A second heat conductive layer is provided on the facing surface of each heat transfer plate other than the heat transfer plate that is the closest to the joint body when the joined portion is joined to the joint body. The second heat conductive layer is configured to contact the joint body. The second heat conductive layer on the heat transfer plate that is the farthest from the joint body when the joined portion is joined to the joint body has a second thickness, which is greater than the first thickness.

Abstract: A battery pack has a sealed case. Battery modules are housed in the sealed case. Each battery module contains multiple battery cells. The sealed case has a main body having an opening. The opening in the main body is closed by a rectangular plate-shaped lid member. The lid member has a first releasing portion and a second releasing portion, which are opened when the internal pressure of the sealed case increases. The second releasing portion is arranged below the first releasing portion in the vertical direction.

Abstract: A battery module has aligned battery cells, two plate members provided on the opposite ends in the aligning direction of the battery cells, fasteners joined to the plate members to integrate the battery cells, at least one connection bus bar, which connects terminals of adjacent battery cells in the aligning direction, and an elastic member, which absorbs expansion of the battery cells in the aligning direction. Each connection bus bar includes two connection portions connected to the terminals and a bend portion located between the two connection portions. In response to expansion in the aligning direction of the battery cells, the bend portion is extendable in the aligning direction. A total allowed deformation amount, which is based on the allowed deformation amount of the bend portions in the aligning direction, is set to be greater than or equal to the thickness in the aligning direction of the elastic member.

Abstract: A second battery module is stacked on a first battery module. A control device is mounted on a mounting plate of the first battery module. The control device is arranged between the first battery module and the second battery module. A control device of the first battery module is arranged between inner surfaces of first bolt insertion portions and inner surfaces of second bolt insertion portions of second battery holders.

Abstract: A battery pack includes a casing having an inner surface and a battery module accommodated in the casing. The battery module includes a battery unit and two end plates. The battery unit includes battery cells that are arranged side by side. The end plates hold the battery unit in between. At least one of the end plates has a projection that projects further toward the inner surface of the casing than the battery unit.