Abstract: A power storage module includes an electrode laminate including a plurality of bipolar electrodes which are laminated and a sealing body sealing a space between a pair of the bipolar electrodes adjacent to each other in a laminating direction among the plurality of bipolar electrodes in the electrode laminate. Each of the plurality of bipolar electrodes includes an electrode plate. The sealing body includes a group of primary sealing bodies each provided at an edge portion of the electrode plate and a secondary sealing body. The secondary sealing body includes a first resin portion that is provided along a side surface of the electrode laminate extending in the laminating direction and bonds the group of primary sealing bodies, and a second resin portion covering the first resin portion.

Abstract: A current sensor is provided on a bus bar via which a reactor is connected to a power module. The reactor is separated from the current sensor by a partition made of metal having a magnetic shielding effect. An output terminal of the reactor is provided on either one of a surface of the reactor on a first side and a surface of the reactor on a second side, the first side being farther from a mounting surface of a power converter across a plane passing through the center of the reactor, the second side being closer to the mounting surface from the plane.

Abstract: A current sensor is provided on a bus bar via which a reactor is connected to a power module. The reactor is separated from the current sensor by a partition made of metal having a magnetic shielding effect. An output terminal of the reactor is provided on either one of a surface of the reactor on a first side and a surface of the reactor on a second side, the first side being farther from a mounting surface of a power converter across a plane passing through the center of the reactor, the second side being closer to the mounting surface from the plane.

Abstract: A fuel cell unit, includes: a fuel cell stack having a coolant channel inside where coolant flows in one direction, and having a first surface parallel to a direction in which the coolant channel extends; a boost converter disposed across a gap from the first surface without being partitioned by a heat shielding member, the boost converter including a current sensor and a capacitor disposed following the first surface; and a case that accommodates the fuel cell stack and the boost converter in a same space, wherein at least one of the current sensor and the capacitor is disposed on an upstream side from a middle of the coolant channel, in the direction in which the coolant channel extends.

Abstract: An electrical device is provided. The electrical device includes a case, a first electrical part, a second electrical part, and a connecting portion. The case includes a first case and a second case coupled to the first case. The first electrical part is fixed to the first case. The second electrical part is fixed to the second case. The connecting portion is configured to connect a first conductor extending from the first electrical part and a second conductor extending from the second electrical part each other. Either one of the first case and the second case includes a through hole. The connecting portion is disposed so as to be entirely visible from the through hole as viewed from an outside of the case.

Abstract: An on-vehicle structure of a power converter includes a housing of the power converter mounted on a vehicle, a structure mounted on the vehicle, and a high-voltage connector attached to the housing. The high-voltage connector is configured to apply a voltage exceeding a predetermined threshold voltage, the high-voltage connector is positioned between the housing and the structure such that the high-voltage connector faces the structure in a removal direction of the high-voltage connector when the high-voltage connector is attached to the housing, and in a state where the high-voltage connector is attached to the housing, a length of a portion of the high-voltage connector embedded in the housing is determined so as to be longer than a distance between the high-voltage connector and the structure.

Abstract: A power converter may include a first and second housings, each of which houses switching elements connected in parallel. Each of the first and the second housings may be provided with a first surface and a second surface. The first and the second housings may be arranged face to face. In each of the first and the second housings, the switching elements may be aligned in an alignment direction which is parallel to both of the first and the second surfaces. An emitter terminal or a source terminal of parallel connection of the switching elements may extend from the second surface at a position equidistant from the switching elements positioned at both ends in the alignment direction among the plurality of switching elements. A collector terminal or a drain terminal of the parallel connection may be positioned adjacent to the emitter or the source terminal in the alignment direction.

Abstract: A vehicle includes a motor housing accommodating motors for driving wheels, and a power control unit fixed on the motor housing. The power control unit includes: a stacked unit in which multiple power modules accommodating power semiconductor elements for electric power conversion and multiple coolers are stacked; and reactors. The stacked unit is disposed in the case of the power control unit such that the stacking direction of the power modules and the coolers is directed toward the vehicle-longitudinal direction. The reactors are disposed in the case so as not to overlap with the stacked unit as viewed from the stacking direction.

Abstract: A power converter disclosed herein may include power conversion circuits connected in parallel and a cutoff switch provided in each of the power conversion circuits. The cutoff switch may be configured to cut off connection of corresponding one of the power conversion circuits from other power conversion circuit. In the power converter disclosed herein, the cutoff switches of the power conversion circuits may be housed in a first module.

Abstract: A power converter disclosed herein may include power conversion circuits connected in parallel and a cutoff switch provided in each of the power conversion circuits. The cutoff switch may be configured to cut off connection of corresponding one of the power conversion circuits from other power conversion circuit. In the power converter disclosed herein, the cutoff switches of the power conversion circuits may be housed in a first module.

Abstract: A power converter may include a first and second housings, each of which houses switching elements connected in parallel. Each of the first and the second housings may be provided with a first surface and a second surface. The first and the second housings may be arranged face to face. In each of the first and the second housings, the switching elements may be aligned in an alignment direction which is parallel to both of the first and the second surfaces. An emitter terminal or a source terminal of parallel connection of the switching elements may extend from the second surface at a position equidistant from the switching elements positioned at both ends in the alignment direction among the plurality of switching elements. A collector terminal or a drain terminal of the parallel connection may be positioned adjacent to the emitter or the source terminal in the alignment direction.

Abstract: A power conversion device includes a case including an upper case and a lower case; an inverter that is accommodated in a first partial case and is fixed to the first partial case, the first partial case being one of the upper case and the lower case; and a capacitor that is connected to the inverter by a positive electrode bus bar and a negative electrode bus bar, the capacitor being disposed in an internal space of a second partial case that is another of the upper case and the lower case. The first partial case includes a fastening portion that extends from an internal space of the first partial case to the internal space of the second partial case. In the internal space of the second partial case, the capacitor is fastened to the fastening portion.

Abstract: An electrical device is provided. The electrical device includes a case, a first electrical part, a second electrical part, and a connecting portion. The case includes a first case and a second case coupled to the first case. The first electrical part is fixed to the first case. The second electrical part is fixed to the second case. The connecting portion is configured to connect a first conductor extending from the first electrical part and a second conductor extending from the second electrical part each other. Either one of the first case and the second case includes a through hole. The connecting portion is disposed so as to be entirely visible from the through hole as viewed from an outside of the case.

Abstract: A power conversion device includes a case including an upper case and a lower case; an inverter that is accommodated in a first partial case and is fixed to the first partial case, the first partial case being one of the upper case and the lower case; and a capacitor that is connected to the inverter by a positive electrode bus bar and a negative electrode bus bar, the capacitor being disposed in an internal space of a second partial case that is another of the upper case and the lower case. The first partial case includes a fastening portion that extends from an internal space of the first partial case to the internal space of the second partial case. In the internal space of the second partial case, the capacitor is fastened to the fastening portion.

Abstract: An on-vehicle structure of a power converter includes a housing of the power converter mounted on a vehicle, a structure mounted on the vehicle, and a high-voltage connector attached to the housing. The high-voltage connector is configured to apply a voltage exceeding a predetermined threshold voltage, the high-voltage connector is positioned between the housing and the structure such that the high-voltage connector faces the structure in a removal direction of the high-voltage connector when the high-voltage connector is attached to the housing, and in a state where the high-voltage connector is attached to the housing, a length of a portion of the high-voltage connector embedded in the housing is determined so as to be longer than a distance between the high-voltage connector and the structure.

Abstract: A power control device includes a cooling medium flow channel provided on a lower portion of a casing of the power control device; a cover attached to a lower surface of the casing with a gasket interposed between the cover and the lower surface, the gasket surrounding the cooling medium flow channel, the cover closing the cooling medium flow channel; and a groove or a protrusion provided on the lower surface at a position between the gasket and an outer edge of the lower surface.

Abstract: A mounting structure for a power converter in a vehicle is provided. The power converter includes a plurality of voltage converter circuits connected in parallel, and each of the plurality of voltage converter circuits includes a reactor, in which the power converter includes: a main body containing at least one of the reactors and a switching device of the voltage converter circuits; and a sub-body containing remaining reactors, the sub-body being electrically connected to the main body by a cable. The main body is fixed to a vehicle body via a bracket in a front compartment such that a gap is provided below the main body, and the sub-body is connected to a lateral side of the main body in a vehicle width direction such that a front end of the sub-body aligns with a front end of the main body.

Abstract: A vehicle includes a motor housing accommodating motors for driving wheels, and a power control unit fixed on the motor housing. The power control unit includes: a stacked unit in which multiple power modules accommodating power semiconductor elements for electric power conversion and multiple coolers are stacked; and reactors. The stacked unit is disposed in the case of the power control unit such that the stacking direction of the power modules and the coolers is directed toward the vehicle-longitudinal direction. The reactors are disposed in the case so as not to overlap with the stacked unit as viewed from the stacking direction.

Abstract: An electrical power converter is configured to perform an electrical power conversion with two electricity storage apparatuses, the electrical power converter has: four switching elements which are electrically connected in series and which are housed in the electrical power converter such that the four switching elements are located at four corners of a planar quadrangular region respectively; a first conductive path which electrically connects a first and second switching elements among the four switching elements; and a second conductive path which electrically connects a third and fourth switching elements among the four switching elements, wherein the second conductive path intersects with the first conductive path in a planar view.

Abstract: In a semiconductor device, a semiconductor module is pressed against a cooler by a spring member. The spring member is compressed by a beam member that is connected with a strut fixed to the cooler. The cooler has a pressed part in which the semiconductor module is pressed, and a strut fixing part to which the strut is fixed. The strut fixing part has higher rigidity than the pressed part.