Abstract: There is provided a battery module including: a casing; and a plurality of battery cells each having a substantially columnar shape, the battery module including a plurality of support columns each arranged along an axial direction of the battery cell, both ends of each support column in the axial direction being connected to the casing, wherein each of the support columns includes a cavity and includes, on a lateral surface of the support column, a communication hole allowing the cavity to communicate with an outside of the support column, and each of the support columns is arranged between a plurality of the battery cells and is bonded to the battery cell with an adhesive agent which the cavity is filled with and which flows out to the outside of the support column through the communication hole.

Abstract: An energy storage apparatus includes: prismatic energy storage devices that are arranged in a row in a first direction and a holder; the holder holds the energy storage devices; the holder includes a pair of terminal members that are arranged outside the energy devices, connecting portions and a reinforcing portion that reinforces the connecting portions; the connecting portions connect the pair of terminal members and extend along corner portions of the energy storage devices; each one of the plurality of connecting portions includes a bent surface that fits the corner portions of the energy storage devices, the bent surfaces constraining the corner portions and extending in the first direction, and the reinforcing portion, at a middle position of the connecting portion in the first direction, extends in a forth direction that intersects with the first direction, and connects the connecting portions.

Abstract: A battery module includes: a cell stack including a first surface being a surface on one end in the first direction, a second surface being a surface on the other end in the first direction, a third surface being a surface on one end in a second direction that is a direction orthogonal to the first direction, a fourth surface being a surface on the other end in the second direction, a fifth surface being a surface on one end in a third direction orthogonal to the first direction and the second direction, and a sixth surface being a surface on the other end in the third direction; and a restraining member that restrains the cell stack. The restraining member includes: a pair of restraining plates restraining the cell stack in the first direction; and a pair of sandwiching plates sandwiching the cell stack in the third direction.

Abstract: A restraining member that restrains a cell stack in which a plurality of cells are stacked, includes a pair of plate-like restraining plates. The restraining plate includes: plate body portions that face with the cell stack when viewed in a first direction orthogonal to a stacking direction of the cell stack; and plate fixing portions that are formed to be continue to and integrated with the plate body portion, face with end members disposed on both ends of the cell stack in the stacking direction, and are fixed to the end members. A width of the plate body portion in a center portion in the stacking direction is narrower than widths of both end portions thereof in a second direction orthogonal to the stacking direction and the first direction.

Abstract: A battery module includes: a cell stack including a first surface being a surface on one end in the first direction, a second surface being a surface on the other end in the first direction, a third surface being a surface on one end in a second direction that is a direction orthogonal to the first direction, a fourth surface being a surface on the other end in the second direction, a fifth surface being a surface on one end in a third direction orthogonal to the first direction and the second direction, and a sixth surface being a surface on the other end in the third direction; and a restraining member that restrains the cell stack. The restraining member includes: a pair of restraining plates restraining the cell stack in the first direction; and a pair of sandwiching plates sandwiching the cell stack in the third direction.

Abstract: A battery module includes a cell stack configured by stacking a plurality of cells, a cover member configured to cover output terminals of the plurality of cells, and a detection line including a voltage detection line configured to detect a voltage of each cell or a temperature detection line configured to detect a temperature of at least one cell. The cover member includes a position regulating portion configured to arrange the detection line at predetermined positions.

Abstract: An energy storage apparatus includes: a plurality of energy storage devices arranged in a row in a first direction; and a plurality of spacers which are arranged adjacently to the energy storage devices in the first direction. Each of the spacers includes a passage defining portion which defines, with the energy storage device arranged adjacently to the spacer in the first direction, passages. The energy storage devices arranged at both ends in the first direction are cooled more easily than the energy storage devices arranged between the energy storage devices arranged at both ends in the first direction.

Abstract: An energy storage apparatus includes: an energy storage device group including a plurality of energy storage devices arranged in a row in a first direction and a holder that holds the energy storage device group, the group includes two end energy storage devices at both ends of the group; the holder includes a support portion that supports at least one of the energy storage devices arranged between the two end energy storage devices.

Abstract: A battery pack 10 includes a battery module 1, and a battery case 30 that houses the battery module 1. The battery module 1 includes a cell stack 2 configured by stacking a plurality of cells 21, a pair of end plates 3 provided at both end portions of the cell stack 2 in a stacking direction, and a bottom plate 6 on which the cell stack 2 and the pair of end plates 3 are mounted. Plate fixing portions 62 of the bottom plate 6 of the battery module 1 are fixed to a bottom portion 31 of the battery case 30, and the plate fixing portions 62 are disposed in a region of the cell stack 2 and the end plates 3.

Abstract: A battery pack 10 includes a battery module 1 and a cooling mechanism 40 configured to cool the battery module. The battery module 1 includes a cell stack 2 formed by stacking a plurality of cells 21, and a bottom plate 6 on which the cell stack 2 is mounted. The cooling mechanism 40 is a refrigerant flow path 41 configured to be passed through by a liquid medium W, and the bottom plate 6 constitutes at least a part of the refrigerant flow path 41. The battery pack is capable of efficiently cooling a battery module while preventing increase in a number of components.

Abstract: Provided is an energy storage apparatus includes: at least one energy storage device; and a spacer disposed adjacently to the energy storage device, the spacer being configured to form a ventilation passage which allows cooling air to pass therethrough between the spacer and the energy storage device, wherein the spacer has an opposedly facing portion which opposedly faces a spacer disposed adjacently to the spacer with the energy storage device sandwiched therebetween at a position which faces the ventilation passage and is disposed adjacently to the energy storage device in a flow direction of the cooling air in the ventilation passage, one opposedly facing portion of a pair of opposedly facing portions which opposedly faces each other of the spacers disposed on both sides of the energy storage device has an extending portion extending toward the other opposedly facing portion of the pair of opposedly facing portions, and the extending portion is brought into contact with the other opposedly facing portion.

Abstract: Provided is an energy storage apparatus where a cooling fluid minimally leaks to the outside from a passage formed between an outer spacer and an energy storage device. The energy storage apparatus includes: an energy storage device; an outer spacer arranged adjacently to the energy storage device; and an end plate arranged such that the outer spacer is sandwiched between the energy storage device and the end plate, wherein the outer spacer includes: a base extending along the energy storage device, the base defining, with the energy storage device, a passage; and a seal portion projecting from the base and being in contact with the energy storage device, wherein the end plate includes a pressing portion disposed at a position corresponding to the seal portion, the pressing portion pressing the seal portion toward the energy storage device via the base.

Abstract: A power storage module includes storage batteries, separators, a temperature measuring component, and a temperature measuring component holder. Each of the storage batteries includes a terminal surface, a positive terminal, and a negative terminal. The positive terminal and the negative terminal are provided on the terminal surface. The temperature measuring component is to measure a temperature of a measured storage battery among the storage batteries. The temperature measuring component holder is provided on a terminal surface side of the measured storage battery between the positive terminal and the negative terminal of the measured storage battery to hold the temperature measuring component.

Abstract: Provided is an energy storage apparatus which includes: an energy storage device; and a first spacer and a second spacer that sandwich the electric storage device, wherein each of the spacers includes: a passage forming portion that forms a passage for passing cooling air in a second direction that is perpendicular to a first direction in which the energy storage device and the spacers are arranged; and a passage blocking portion disposed at one end in the second direction, and wherein, in a view along a third direction perpendicular to the first and second directions, the passage blocking portion of one of the spacers and the passage blocking portion of the other of the spacers overlap.

Abstract: An energy storage apparatus includes: an energy storage device; a bus bar; and a lead line, wherein the bus bar includes a bus bar body which is in contact with the external terminal of the energy storage device and includes a portion to be connected where the lead line is connected to the bus bar, and other portion which is contiguously formed with the portion to be connected, and the bus bar body has a cut disposed between the portion to be connected and the other portion.

Abstract: A power storage module is formed by superimposing a pair of end plates at opposite ends in the stacking direction of a plurality of power storage cells that are stacked in the stacking direction. The pair of end plates are connected by a frame holding an insulator between itself and the power storage cells. Condensed water occurring on the surface of the power storage cells could contact the end plate. There is thus a possibility that a liquid junction will be formed; when the power storage module is in a mounted state the insulator includes a first rib extending in a direction, condensed water attached to the insulator cannot flow toward the end plate due to it being blocked by the first rib, thus preventing the power storage cell from forming a liquid junction with the end plate via the condensed water.

Abstract: An energy storage module includes an energy storage cell group containing a plurality of energy storage cells stacked in a stacking direction, and a pair of end plates provided at both ends of the energy storage cell group in the stacking direction. A terminal frame is provided at the end plate in order to electrically connect an electrode terminal of the energy storage cell provided at an end in the stacking direction and an output line. The terminal frame is fixed to the end plate by fixing points.

Abstract: An electric storage apparatus of the present invention includes: a plurality of electric storage devices aligned in a first direction; and a frame configured to hold the plurality of electric storage devices, the frame including: a first frame element that is arranged so as to face the plurality of electric storage devices from one side in a second direction orthogonal to the first direction and to directly or indirectly abut the plurality of electric storage devices; and a second frame element that is arranged so as to face the plurality of electric storage devices from the other side in the second direction, wherein the second frame element includes, between the second frame element and the plurality of electric storage devices, a holding part having projections that are respectively in contact with the plurality of electric storage devices.

Abstract: An energy storage apparatus includes a base arranged adjacently to an energy storage device and forming a passage between the base and the energy storage device, a holder that holds the energy storage device and a spacer, and an insulator arranged between the spacer and the holder. The insulator includes a first insulating portion arranged between the spacer and the holder, and a first sealing portion being in contact with an extending portion.