Abstract: A power storage device includes a case accommodating an electrode assembly and having a lid, a current interrupting device, and an insulating member. The electrode assembly has a tab-side end face opposed to an inner face of the lid. The current interrupting device has a device end face opposed to the tab-side end face. The insulating member has an insulating end face opposed to the tab-side end face. A distance from the inner face to the device end face in a state where the current interrupting device is positioned closest to the inner face is defined as a first dimension. A distance from the inner face to the insulating end face in a state where the insulating member is positioned closest to the inner face is defined as a second dimension. The first dimension is smaller than the second dimension.

Abstract: An electricity storage device includes a casing, a terminal, and a current interruption device. The terminal includes a column part and a base part. A first sealing member having an insulating property including a first sealing part sealing between the terminal and a terminal wall is provided between the terminal and the terminal wall, and surrounding an entire periphery of the column part. A first insulating member having an insulating property is disposed within a first space provided between the terminal and the terminal wall on a casing inner side relative to the first sealing part, and surrounds the entire periphery of the column part. At least one of the first sealing member and the first insulating member is disposed in the first space from an end face of the first space on a casing outer side to an end face on the casing inner side thereof.

Abstract: A power storage module in which rectangular power storage devices each having an electrode assembly and an electrolyte accommodated in a case are configured to be connected, wherein the power storage devices are arrayed in a predetermined array direction (a direction in which positive electrodes and negative electrodes are stacked) and bonded in an arrayed state, and thicknesses of surfaces (in particular, at least parts in contact with an adjacent member in the surfaces of the bonded sides) on bonded sides of the cases are less than thicknesses of surfaces of non-bonded sides.

Abstract: A tab bundle has a first bent portion, which is at a first end in the stacking direction L of an electrode assembly in a laminated state and is bent toward a second end in the stacking direction L of the electrode assembly, and an extended portion, which protrudes from the first bent portion in the stacking direction L. The tab bundle is electrically connected to a conductive member by means of a conduction part, which is located in the extended portion. The conductive member includes: a fixed piece, which is fixed to the inner surface of a lid member and located between the extended portion and the lid member, and a connecting piece, which intersects the fixed piece and protrudes toward the electrode assembly. The tab bundle is electrically connected to the connecting piece by means of the conduction part, which is located in the extended portion.

Abstract: A power storage device includes a case accommodating an electrode assembly and having a lid, a current interrupting device, and an insulating member. The electrode assembly has a tab-side end face opposed to an inner face of the lid. The current interrupting device has a device end face opposed to the tab-side end face. The insulating member has an insulating end face opposed to the tab-side end face. A distance from the inner face to the device end face in a state where the current interrupting device is positioned closest to the inner face is defined as a first dimension. A distance from the inner face to the insulating end face in a state where the insulating member is positioned closest to the inner face is defined as a second dimension. The first dimension is smaller than the second dimension.

Abstract: A current interruption device disclosed in the present specification includes: a first conductive member and a second conductive member that are facing each other; an insulating seal member disposed therebetween; and an insulating cover accommodating the first conductive member, the second conductive member, and the seal member. The seal member separates a space between the first and second conductive members into an inner space and an outer space which communicates with the space within the casing. In a plan view, the seal member is positioned in an entire area outside of contact portions of the seal member with the first and second conductive members within a range where the first and second conductive members are facing each other. The cover is disposed along outer circumferential edges of the first and second conductive members, and the seal member is in contact with the cover.

Abstract: An electricity storage device includes a casing, a terminal, and a current interruption device. The terminal includes a column part and a base part. A first sealing member having an insulating property including a first sealing part sealing between the terminal and a terminal wall is provided between the terminal and the terminal wall, and surrounding an entire periphery of the column part. A first insulating member having an insulating property is disposed within a first space provided between the terminal and the terminal wall on a casing inner side relative to the first sealing part, and surrounds the entire periphery of the column part. At least one of the first sealing member and the first insulating member is disposed in the first space from an end face of the first space on a casing outer side to an end face on the casing inner side thereof.

Abstract: A current interruption device disclosed in the present specification includes: a first conductive member and a second conductive member that are facing each other; an insulating seal member disposed therebetween; and an insulating cover accommodating the first conductive member, the second conductive member, and the seal member. The seal member separates a space between the first and second conductive members into an inner space and an outer space which communicates with the space within the casing. In a plan view, the seal member is positioned in an entire area outside of contact portions of the seal member with the first and second conductive members within a range where the first and second conductive members are facing each other. The cover is disposed along outer circumferential edges of the first and second conductive members, and the seal member is in contact with the cover.

Abstract: A power storage module in which rectangular power storage devices each having an electrode assembly and an electrolyte accommodated in a case are configured to be connected, wherein the power storage devices are arrayed in a predetermined array direction (a direction in which positive electrodes and negative electrodes are stacked) and bonded in an arrayed state, and thicknesses of surfaces (in particular, at least parts in contact with an adjacent member in the surfaces of the bonded sides) on bonded sides of the cases are less than thicknesses of surfaces of non-bonded sides.

Abstract: In a configuration in which a first shaft portion configured to drive a pump mechanism and a second shaft portion configured to drive an expansion mechanism are coupled to each other, a Rankine cycle system which is capable of continuing the circulation of working fluid by an expansion machine even when the pump mechanism is locked is provided. This Rankine cycle system of the invention employs a pump and an expansion machine coupled in a tandem manner. A first shaft of the pump and a second shaft of the expansion machine are concentric and the first shaft is capable of transmitting power to the second shaft. A pump torque limiter is provided between the first shaft and a main gear. A one-way clutch is provided between a sensing shaft and the second shaft.

Abstract: A scroll expander includes a housing, a main port, a high-pressure chamber, an operation chamber, a low-pressure chamber, a subport, a valve portion, an actuator, and a drive shaft. The high-pressure and low-pressure chambers are separated by a partition wall. The main port draws working fluid in the high-pressure chamber into the operation chamber. The subport introduces the working fluid from the high-pressure chamber to the operation chamber so that the volume of the working fluid in the operation chamber is variable. The valve portion selectively opens and closes the subport. The actuator is arranged in the low-pressure chamber. The drive shaft extends through the partition wall and connects the actuator and the valve portion with each other. When the drive shaft is actuated by the actuator, the subport is selectively opened and closed by the valve portion.