Abstract: A battery pack 1 includes: a first module block 5 and a second module block 6 arranged side-by-side; and a connection switching circuit 7 including a series-connection switching element 8 and parallel-connection switching elements 9 and 10 configured to selectively switch connection between the first and second module blocks between a series connection and a parallel connection. In the connection switching circuit, the series-connection switching element is provided at a midpoint in the series connection and located at an inner side of an area where the module blocks are disposed in the battery pack in a top view of this area, and terminals of the modules in the first and second module blocks 5 and 6 are connected to the connection switching circuit and located close to the connection switching circuit, thereby capable of simplifying the layout of the switching circuit for changing the connection status of the module blocks.

Abstract: A cell laminate includes: a plurality of laminated cells that are laminated, wherein the plurality of laminated cells include a plurality of first laminated cells and a plurality of second laminated cells, each of first electrode tab leads of the plurality of first laminated cells and second electrode tab leads of the plurality of second laminated cells has a bent portion, and wherein a bent portion of a second electrode tab lead of a second laminated cell closest to the plurality of first laminated cells extends to overlap a bent portion of a first electrode tab lead of a first laminated cell farthest from the plurality of second laminated cells among the plurality of first laminated cells, and each of the bent portions of the plurality of first electrode tab leads overlaps and is directly joined to at least one bent portion of the plurality of second electrode tab leads.

Abstract: A cell laminate includes: a plurality of laminated cells which are laminated, wherein each laminated cell includes a sealing portion on a peripheral edge, and is configured such that a tab lead extends from the sealing portion in a direction perpendicular to a lamination direction, the tab leads of at least four laminated cells among the plurality of laminated cells are electrically connected to each other via a conductive connection member having a plate shape, each tab lead connected to the conductive connection member has a linear portion extending linearly in the direction perpendicular to the lamination direction from the sealing portion to a tip end, and the tip ends are bonded in close contact with the conductive connection member by a surface, which is parallel to an extension direction of the tab leads, of surfaces of the conductive connection member.

Abstract: A conductive connection assembly is connected to a cell group including a plurality of stacked battery cells. The conductive connection assembly includes: a conductive connection member configured to be connected to the cell group; and a cover covering the conductive connection member. The conductive connection member is connected to the cell group by a fastening member, the cover is provided with an insertion hole configured to allow a tool for fastening the fastening member to be inserted, the cover is spaced apart from the fastening member, and is configured to transition between a first position where the insertion hole and the fastening member face each other and a second position where the insertion hole and the fastening member do not face each other, and the cover in the second position is located closer to the conductive connection member than the cover in the first position.

Abstract: A power storage system includes a battery including a first power storage unit, a second power storage unit, and a first switch unit, a three-phase motor in which coils of three phases are connected at a neutral point, the three-phase motor being driven by electric power supplied from the battery, an inverter connected on an electric power transmission path between the battery and the three-phase motor, and a DC power supply circuit connected to a connection portion located on an electric power transmission path between the inverter and the battery. The DC power supply circuit includes a branch circuit connected to the neutral point on a positive electrode side.

Abstract: A battery pack includes a plurality of laminated cells stacked in a horizontal direction, and a battery case accommodating the plurality of laminated cells. The plurality of laminated cells are divided into at least a first cell group and a second cell group. The first cell group and the second cell group are spaced apart. The battery case includes a frame member disposed between the first cell group and the second cell group. The first cell group and the second cell group are electrically coupled by a conductive coupling member. The conductive coupling member includes first conductive coupling members, and a second conductive coupling member. The second conductive coupling member includes a bridge portion, a coupling portion, and a connecting portion connecting the bridge portion and the coupling portion. The coupling portion is disposed below the upper surface of the frame member.

Abstract: A battery pack includes a plurality of laminated cells, a battery case, and a wiring coupling portion. A first laminated cell positioned at an end portion of the electrical flow path and the wiring coupling portion are electrically coupled via a conductive coupling member. The first laminated cell includes a cell body portion and a cell terminal extending from the cell body portion in a second direction orthogonal to the first direction of the horizontal direction. The conductive coupling member is formed of a single plate-shaped member. The conductive coupling member does not protrude in an extending direction of the cell terminal with respect to an abutting portion abutting against the cell terminal, at least in a region on a lower side of upper end portions of the plurality of laminated cells when viewed from the first direction.

Abstract: A battery pack includes a plurality of laminated cells stacked in a first direction of a horizontal direction, and a battery case accommodating the plurality of laminated cells. Each of the laminated cells includes a cell body portion, and a cell terminal extending from the cell body portion in a second direction orthogonal to the first direction of the horizontal direction and having a length in an upper-lower direction shorter than that of the cell body portion. The battery case includes a frame member facing the cell terminal in the second direction. A stopper member is disposed in at least one of a space at an upper side of the cell terminal and a space at a lower side of the cell terminal and between the cell body portion and the frame member.

Abstract: A battery cooling system includes a battery cooling flow path, a first inlet and outlet portion of the battery cooling flow path, a second inlet and outlet portion of the battery cooling flow path, an inflow-side three-way valve, an outflow-side three-way valve, a first supply flow path configured to connect a first outlet of the inflow-side three-way valve to the first inlet and outlet portion, a second supply flow path configured to connect a second outlet of the inflow-side three-way valve to the second inlet and outlet portion, a first discharge path configured to connect the first inlet of the outflow-side three-way valve to the second inlet and outlet portion, and a second discharge path configured to connect the second inlet of the outflow-side three-way valve to the first inlet and outlet portion.

Abstract: An electric storage device includes a storage module and a mounting plate. The storage module includes a plurality of storage cells stacked in a stacking direction and has an end surface in the stacking direction. The storage module is mounted on the mounting plate. The mounting plate includes a fastening part and a displacement absorbing part. The storage module is connected to the mounting plate at the fastening part. The displacement absorbing part absorbs displacement of the storage module in the stacking direction. The fastening part is provided between the displacement absorbing part and the end surface of the storage module in the stacking direction.

Abstract: In a battery unit 10 in which plural high-voltage batteries 31a to 33a are accommodated in a battery case 50, the battery case 50 includes: a bottom plate 51A on which the batteries 31a to 33a are mounted; and a cover 52 covering the batteries 31a to 33a from above. The bottom plate 51A includes a tray 54 having a plate shape, lengthwise reinforcing members 55, and brackets 53. The lengthwise reinforcing members 55 are disposed so as to connect at least adjacent brackets 53. The lengthwise reinforcing members 55 and the brackets 53 are disposed in a lattice shape with the tray 54 interposed therebetween. The batteries 31a to 33a are fixed to the lengthwise reinforcing members 55 such that a longitudinal direction thereof faces the vehicle width direction. The battery case 50 is fixed under a floor of a vehicle V by the brackets 53.

Abstract: In a vehicle battery unit, since a second support plate (30B) and a second end plate (29B) of a second battery module (22B) having a plurality of battery cells (21) stacked are placed on top of a first support plate (30A) and a first end plate (29A) of a first battery module (22A) having a plurality of the battery cells (21), it is possible to prevent the weight of the second battery module (22B) from being imposed on the battery cells (21) of the first battery module (22A). Moreover, since it is not necessary to provide on the exterior of the first battery module (22A) a member for supporting the weight of the second battery module (22B), it is possible to reduce the dimensions of the first battery module (22A).

Abstract: In a battery unit 10 in which plural high-voltage batteries 31a to 33a are accommodated in a battery case 50, the battery case 50 includes: a bottom plate 51A on which the batteries 31a to 33a are mounted; and a cover 52 covering the batteries 31a to 33a from above. The bottom plate 51A includes a tray 54 having a plate shape, lengthwise reinforcing members 55, and brackets 53. The lengthwise reinforcing members 55 are disposed so as to connect at least adjacent brackets 53. The lengthwise reinforcing members 55 and the brackets 53 are disposed in a lattice shape with the tray 54 interposed therebetween. The batteries 31a to 33a are fixed to the lengthwise reinforcing members 55 such that a longitudinal direction thereof faces the vehicle width direction. The battery case 50 is fixed under a floor of a vehicle V by the brackets 53.

Abstract: An electric storage device includes a storage module and a mounting plate. The storage module includes a plurality of storage cells stacked in a stacking direction and has an end surface in the stacking direction. The storage module is mounted on the mounting plate. The mounting plate includes a fastening part and a displacement absorbing part. The storage module is connected to the mounting plate at the fastening part. The displacement absorbing part absorbs displacement of the storage module in the stacking direction. The fastening part is provided between the displacement absorbing part and the end surface of the storage module in the stacking direction.

Abstract: In a vehicle having rear seats which can be swung up, a vehicle electric equipment mounting structure is provided which can ensure a sufficient space at a rear part of the vehicle which allows passengers to walk therethrough while arranging vehicle driving electric motor-related electric equipment at the rear part of the vehicle. Third row seats 5 which can be swung up towards side walls 9a are provided at a rear part of a vehicle 1. Electric equipment such as a battery unit 21, an inverter unit 22 and a DC-DC converter unit 23 is accommodated within a downwardly depressed portion 11 in a floor panel 2 underneath a rear lid board 34 on which the third row seats 5, taking a seating posture, are positioned.

Abstract: In a vehicle battery unit, since a second support plate (30B) and a second end plate (29B) of a second battery module (22B) having a plurality of battery cells (21) stacked are placed on top of a first support plate (30A) and a first end plate (29A) of a first battery module (22A) having a plurality of the battery cells (21), it is possible to prevent the weight of the second battery module (22B) from being imposed on the battery cells (21) of the first battery module (22A). Moreover, since it is not necessary to provide on the exterior of the first battery module (22A) a member for supporting the weight of the second battery module (22B), it is possible to reduce the dimensions of the first battery module (22A).

Abstract: A hybrid vehicle is provided in which a case (14) for housing an electrical component including at least a battery module is disposed underneath a floor of a luggage compartment interposed between left and right rear side frames (12) immediately to the rear of a fuel tank (42) disposed beneath a floor panel (41) of a hybrid vehicle, and a canister (48) is disposed on one of left and right sides of the case (14). Since the canister (48) is disposed further inside than the outer end of the rear side frame (12) in the left-and-right direction and further forward than the rear end of the case (14), when the vehicle is involved in a collision from the side the case (14) and the canister (48) can be protected by the rear side frame (12), and when the vehicle is involved in a collision from the rear the fuel tank (42) and the canister (48) can be protected by the case (14) while guaranteeing the capacity of a luggage compartment of a rear part of a vehicle body.

Abstract: Disclosed is a vehicle wiring structure that uses a power cable to connect a power source and an electrical load disposed, inside a vehicle, with a space therebetween in the vehicle front-to-back direction. The vehicle wiring structure is provided with a metal pipe (20) which is disposed on vehicle floor under surface (61), between a position below where the power source is installed and a position below where the electrical load is installed, and two ends of which are inserted into the vehicle, and a power cable that is inserted through the metal pipe (20) and connects the power source and the electrical load. The metal pipe (20) is provided slanting from the two ends toward a bottommost part (21), in the vertical direction, and the bottommost part (21) is heated by heat released from CAT (51).

Abstract: A vehicle wiring structure equipped with a pipe (20), the two ends of which are inserted into the vehicle through an electrical-load-side through-hole and a power-source-side through-hole provided in the floor, and power cables (40a, 40b, 41), which are inserted in the pipe (20) and connect a power source and electrical loads. The power cables pulled out of the end part of the pipe (20) inserted through the power-source-side through-hole (60) are restrained by a first cable guide (70) provided inside the vehicle and are wired to a power source connection part, while the end part of the pipe (20) inserted through the power-source-side through-hole (60) reaches as far as the position where the first cable guide (70) is provided. The pipe (20) is supported by a through-hole seal member (61) that has a pipe through-hole (62) through which the pipe (20) passes and that closes the power-source-side through-hole (60).

Abstract: There is provided an in-vehicle electronic component disposing construction for fixing an electronic component strongly and rigidly to a vehicle body while ensuring a sufficient space within a passenger compartment and realizing a reduction in weight of the construction. An electronic component box containing electronic components and disposed between a driver's seat and a front passenger's seat is supported by a floor panel of a vehicle and a steering system hanger beam to which a steering system is fixed.