Abstract: In the cell case of the power storage cell according to the present disclosure, the cylindrical main body portion is formed by forming a film into a cylindrical shape, and the first opening portion and the second opening portion are formed at both ends thereof, respectively. The first sealing body closes the first opening portion. The second sealing body closes the second opening portion. The first sealing body includes an outer peripheral face that is in contact with an inner peripheral face of the cylindrical main body portion. The outer peripheral face includes a main body surface portion and a protruding portion. The main body surface portion extends in parallel to a first direction in which the first opening portion and the second opening portion are arrayed. The protruding portion protrudes from the main body surface portion toward the cylindrical main body portion.

Abstract: A power storage module has a case including a case body and at least one partition portion. The case body surrounds a plurality of electrode assemblies. The partition portion is located between the electrode assemblies adjacent to each other to partition an accommodation space of the case body. In the accommodation space of the case body, the partition portion forms a first compartment and a second compartment adjacent to the first compartment with the partition portion interposed between the first compartment and the second compartment. A first cooling path and a second cooling path are formed in the case, the first cooling path extends in a portion 10 of the case that faces the first compartment without the second compartment in between, and the second cooling path extends in a portion of the case that faces the second compartment without the first compartment in between.

Abstract: A power storage module includes a case that houses a plurality of electrode assemblies. The case includes a case body and at least one partition portion. The case body surrounds the plurality of electrode assemblies. The partition portion is located between the electrode assemblies adjacent to each other to partition an accommodation space of the case body. The partition portion includes a pair of resin layers and a metal layer. The pair of resin layers is formed integrally with the case body and the resin layers are arranged in a first direction. The metal layer is located between the resin layers and extends in a direction orthogonal to the first direction.

Abstract: A method of manufacturing a battery case includes: preparing a tubular body having a first opening end and a second opening end that are respectively located at opposite sides in one direction; closing the first opening end with a first plate member; closing the second opening end with a second plate member; in a state where the first opening end is closed with the first plate member and the second opening end is closed with the second plate member, cutting the tubular body, the first plate member, and the second plate member along a plane parallel to the one direction, to obtain a case body having an opening formed by respective cut edges of the tubular body, the first plate member, and the second plate member; and closing the opening of the case body with the lid portion.

Abstract: A power storage module includes a plurality of power storage cells, a module case, and a connection member. The plurality of power storage cells each include an electrode assembly, a cell case, and an external terminal. The external terminal is electrically connected to the electrode assembly, located outside the cell case, and disposed at a side of the cell case in a second direction orthogonal to a first direction. The module case includes a bottom surface portion and a peripheral side surface portion. The connection member is in contact with the external terminal of each of power storage cells adjacent to each other, among the plurality of power storage cells. At least a part of the connection member is embedded in the peripheral side surface portion.

Abstract: In a secondary battery, a main body of a housing includes a bottom surface portion, a first side surface portion, a second side surface portion, a first top surface portion, a second top surface portion, and a weld. The first top surface portion extends toward the second side surface portion, from an end of the first side surface portion opposite to the bottom surface portion. The second top surface portion extends toward the first side surface portion, from an end of the second side surface portion opposite to the bottom surface portion. The weld connects respective leading ends of the first top surface portion and the second top surface portion to each other.

Abstract: In a secondary battery, a first end face portion extends toward a second side surface portion, from one end of a first side surface portion in the width direction. A second end face portion extends toward a first side surface portion, from one end of the second side surface portion in the width direction. An end face weld connects respective leading ends of the first and second end face portions to each other. The leading end of the first end face portion is located closer to a center of the housing in the width direction, than a joint at which it is connected to the first side surface portion. The leading end of the second end face portion is located closer to the center of the housing in the width direction, than a joint at which it is connected to the second side surface portion.

Abstract: A power storage module includes a plurality of electrode assemblies and a case. The case includes a bottom portion, a peripheral sidewall portion, a lid portion, and at least one partition portion. The bottom portion is located at one side of the electrode assemblies in a second direction. The partition portion is formed integrally with the bottom portion and the peripheral sidewall portion. The partition portion is located between the electrode assemblies adjacent to each other. Each of the bottom portion, the peripheral sidewall portion, and the lid portion includes a resin layer and a barrier layer. The resin layer is made from a resin composition. The barrier layer is superposed on the resin layer. The barrier layer has a lower moisture permeability than that of the resin layer.

Abstract: In an accommodation space of a case body of a power storage module, a partition portion forms a first and second compartments adjacent to the first compartment with the partition portion interposed between the first and second compartments. A connection conductive member has a first end portion located at one side in the first direction and embedded in the case body. A second end portion of the connection conductive member is located at the other side in the first direction and embedded in the case body. A first inner surface portion thereof is exposed to the first compartment and electrically connected to a first electrode assembly contained in the first compartment, among a plurality of electrode assemblies. A second inner surface portion thereof is exposed to the second compartment and electrically connected to a second electrode assembly contained in the second compartment, among the plurality of electrode assemblies.

Abstract: In a power storage cell, a case includes a bottom portion, first and second side surface portions, first and second end face portions, a welding portion, and a rib. The first side surface portion extends upright from the bottom portion. The second side surface portion extends upright from the bottom portion and faces the first side surface portion. The first end face portion extends from the first side surface portion in a direction in which the first side surface portion faces the second side surface portion. The second end face portion extends from the second side surface portion in a direction in which the second side surface portion faces the first side surface portion. The welding portion connects the first and second end face portions to each other. The rib is located along a corner edge formed by the first side surface portion and the first end face portion.

Abstract: A power storage cell includes an electrode assembly, a cell case, and an external terminal. The cell case houses the electrode assembly. The external terminal is fixed to the cell case. The external terminal includes a first terminal portion and a second terminal portion. The first terminal portion is arranged above the cell case. The second terminal portion extends from the first terminal portion along the side surface of the cell case. The second terminal portion is provided with a recess. The recess is formed on a surface of the second terminal portion opposite to the other surface thereof that faces the cell case.

Abstract: A battery including: a layered member that includes an electrode layered body including a plurality of electrodes layered in a thickness direction, and a sealing member; a side surface member; and an outer package that covers the layered member and the side surface member. The outer package is arranged to cover a surface configuring an outer periphery of the side surface member, and a surface configuring an outer periphery of the layered member. The side surface member includes a metal foil, and a resin layer that includes a first protruding part and a second protruding part. The sealing member is arranged between the first protruding part and the second protruding part; and each of the first protruding part and the second protruding part are welded to the outer package.

Abstract: A main object of the present disclosure is to provide a method for producing a power storage device wherein a molding failure hardly occurs when molding a resin member. The present disclosure achieves the object by providing a method for producing a power storage device, the method comprising: a preparing step of preparing a predetermined stacked member; a first placing step of placing a predetermined first mold; a first molding step of obtaining a predetermined nest B; a second placing step of placing a predetermined second mold; and a second molding step of molding a predetermined resin member.

Abstract: A power storage cell includes a cell case and an electrode assembly. The cell case accommodates the electrode assembly. The cell case includes a case main body and a cover. The cover includes a first electrode terminal, an insulating member, an inversion plate, a cover main body, and a second electrode terminal. The cover main body electrically connects the inversion plate and the second electrode terminal to each other. The insulating member electrically insulates the first electrode terminal and the cover main body from each other. The inversion plate has a first surface. The first electrode terminal has a second surface. A groove group is formed in at least one of the first surface and the second surface.

Abstract: A rotation state of each rotating element of a four-wheel drive vehicle and an operating state of each engagement element of a disconnect mechanism, corresponding to an operating state of the disconnect mechanism, are displayed on or near a vehicle model image on a vehicle display. Thus, it is possible to inform a driver of the operating state of the disconnect mechanism at any time. Thus, the driver is able to recognize the operating state of the disconnect mechanism at any time, so the driver is able to carry out driving based on the operating state.

Abstract: A rotation state of each rotating element of a four-wheel drive vehicle and an operating state of each engagement element of a disconnect mechanism, corresponding to an operating state of the disconnect mechanism, are displayed on or near a vehicle model image on a vehicle display. Thus, it is possible to inform a driver of the operating state of the disconnect mechanism at any time. Thus, the driver is able to recognize the operating state of the disconnect mechanism at any time, so the driver is able to carry out driving based on the operating state.

Abstract: A disconnect mechanism is configured to disconnect a predetermined rotating element from an engine and an auxiliary drive wheels while the vehicle is traveling in a two-wheel drive mode. The predetermined rotating element is configured to transmit power to the auxiliary drive wheels while the vehicle is traveling in a four-wheel drive mode. An electronic control unit is configured to: execute shift control when a shift condition of an automatic transmission is satisfied; selectively engage or release the disconnect mechanism based on a traveling state of the vehicle and a driver's predetermined operation; and control at least one of the automatic transmission or the disconnect mechanism such that a shift period based on the shift condition of the automatic transmission and an engagement-release period of the disconnect mechanism at least partially overlap with each other.

Abstract: A disconnect mechanism is configured to disconnect a predetermined rotating element from an engine and an auxiliary drive wheels while the vehicle is traveling in a two-wheel drive mode. The predetermined rotating element is configured to transmit power to the auxiliary drive wheels while the vehicle is traveling in a four-wheel drive mode. An electronic control unit is configured to: execute shift control when a shift condition of an automatic transmission is satisfied; selectively engage or release the disconnect mechanism based on a traveling state of the vehicle and a driver's predetermined operation; and control at least one of the automatic transmission or the disconnect mechanism such that a shift period based on the shift condition of the automatic transmission and an engagement-release period of the disconnect mechanism at least partially overlap with each other.