Abstract: A battery unit includes: a battery; a battery case accommodating the battery; front and rear junction boxes provided on front and rear sides, respectively, in a front-rear direction of a vehicle and configured to distribute electric power to front and rear motors, respectively; front and rear bus bars coupling a corresponding one of a positive electrode terminal and a negative electrode terminal of the battery to the front and rear junction boxes, respectively; a center bus bar coupling the front and the rear junction boxes to each other; an electrical device disposed above the center bus bar; and a cooling plate disposed between the center bus bar and the electrical device to cool the electrical device. The front and rear junction boxes, the front rear, and center bus bars, the electrical device, and the cooling plate are disposed on or above a top of the battery case.

Abstract: A spark plug (1) includes a tubular insulator (50). The insulator contains alumina as a primary component, and further contains a secondary component. The secondary component contains a silicon (Si) component, a magnesium (Mg) component, a barium (Ba) component, a calcium (Ca) component, and a rare earth component. The amounts (mass %) of these components as reduced to oxide and relative to the total mass of the secondary component satisfy specific conditions.

Abstract: A battery-cell coupling structure includes battery cells and an electrode coupling plate. The battery cells are arranged in a laid manner in a first direction at least in one layer in a thickness direction of the battery cells orthogonal to the first direction. The battery-cell coupling structure is configured to electrically couple the battery cells to each other with the electrode coupling plate. The battery cells each include a first electrode and a second electrode. The electrode coupling plate basically includes an insulating substrate, a first coupling terminal, a second coupling terminal, a third coupling terminal, and a fourth coupling terminal. The electrode coupling plates, depending on presence, absence, and combination of the first, the second, the third, and the fourth coupling terminals, electrically couples or decouples adjacent battery cells of the battery cells in the first direction to couple the battery cells in series, parallel, or series-parallel.

Abstract: A battery-cell coupling structure includes battery cells arranged in a first direction, a first electrode coupling plate including an insulating substrate and a first coupling terminal provided at a first end of the insulating substrate in a second direction orthogonal to the first direction, and a second electrode coupling plate including the insulating substrate, the first coupling terminal, and a second coupling terminal provided at a second end of the insulating substrate in the second direction. The battery-cell coupling structure is configured to electrically couple the battery cells to each other. Each of the battery cells includes a first electrode provided at a first end in the second direction and a second electrode provided at a second end in the second direction. The battery cells are coupled in series, parallel, or series-parallel with one or both of the first electrode coupling plate and the second electrode coupling plate.

Abstract: [Objective] To provide a curable composition that is useful as, for example, a solder resist for printed wiring boards, is higher in flame retardancy, coatability, resolution, storage stability and low warpage and is also suitable for an inkjet printing method, and a cured product thereof. [Solution] A curable composition containing (A) a compound having a (meth)acryloyl group, (B) a heat-curable component, (C) a photopolymerization initiator, (D) a crystalline flame retardant and (E) a wetting and dispersing additive, in which the content of the wetting and dispersing additive (E) is 1% by weight to 9% by weight with respect to the content of the crystalline flame retardant (D), a cured product obtained from the curable composition and an electronic component having the cured product.

Abstract: A protection structure for an on-board battery. The on-board battery includes a battery stack and is configured to be mounted on a vehicle. The protection structure includes a first frame, a second frame, and a fixing member. The first frame is to be coupled to an upper portion of a battery case that contains the battery stack, so as to fix the battery case to a vehicle body of the vehicle. The second frame is to be disposed above the battery case and to be coupled to the first frame. The fixing member is to be fixed to the second frame so as to suspend and support the battery stack. The second frame is to be disposed in a direction crossing a longer direction of the battery stack and at least at an approximate center in the longer direction of the battery stack.

Abstract: A power storage device to be mounted below a floor of a vehicle includes a battery tray, a battery frame, and a cooling plate. The battery tray accommodates a secondary battery cell. The battery frame surrounds the battery tray. The cooling plate includes a plate portion provided above the battery tray and the battery frame and having a refrigerant flow path through which a refrigerant flows, and a main pipe disposed on an outer side of the battery frame so as to overlap the battery frame in a top-bottom direction and continuous with the plate portion such that the refrigerant flow path and an internal space of the main pipe communicate with each other.

Abstract: A vehicle battery protection structure includes a vehicle frame member, a first duct, and a second duct. The vehicle frame member is disposed in a region including a battery. The vehicle frame member has a through hole. The battery is mountable on a vehicle. The first duct is disposed on an outside of the battery at a location oriented toward an outside of the vehicle. The second duct is inserted through the through hole of the vehicle frame member. The second duct is disposed to overlap the first duct in a vertical direction of the first duct on the outside of the battery at the location oriented toward the outside of the vehicle.

Abstract: A battery stack structure includes a battery stack, a passage, a junction box, and a bus bar. The battery stack includes spaced battery cells. The passage is adjacent to a first side of the battery stack. The passage allows air to flow in the passage before the air cools the battery stack. The junction box is adjacent to a second side of the battery stack. The junction box allows the air to flow in the junction box after the air has cooled the battery stack. The junction box contains an electronic device. The bus bar is contained in the junction box and is electrically and thermally coupled to the electronic device. The bus bar allows passing of current. The direction of the flow of the air flowing from the battery stack faces a major surface of the bus bar.

Abstract: A vehicle battery temperature control apparatus includes a battery temperature detector, first and second ducts, an exhaust pipe, a heat receiver, a blower fan, and a processor. The processor causes the blower fan to rotate in one of opposite directions, thereby introducing cooling air from the first duct into a battery compartment, and emitting the cooling air that has cooled a battery to the outside via the second duct, if the battery temperature is higher than a first set temperature, and causes the blower fan to rotate in the other direction, thereby introducing air raised in temperature by exchanging heat with the exhaust pipe through the heat receiver from the second duct into the battery compartment, and emitting the air that has raised the temperature of the battery to the outside via the first duct, if the battery temperature is lower than a second set temperature.

Abstract: A battery support structure includes upper and lower battery modules, a support, and a battery pack case. The upper battery module includes an upper battery module body, and an upper battery module fixing member. The upper battery module fixing member extends downward from the upper battery module body and is coupled to the support. The lower battery module includes a lower battery module body, and a lower battery module fixing member. The lower battery module fixing member extends upward from the lower battery module body and is coupled to the support. The upper battery module is fixed to an upper surface of the support. The lower battery module is fixed to a lower surface of the support. The battery pack case covers the upper and lower battery modules. The battery pack case is fixed to the support on outside of the upper and lower battery modules.

Abstract: A battery module includes a battery stack, a bottom plate, end plates, and side plates. The battery stack includes battery cells that are arranged in a first direction. The bottom plate covers a bottom surface of the battery stack. The end plates respectively cover first ends of the battery stack. The first ends are disposed in the first direction. The side plates respectively cover second ends of the battery stack. The second ends are disposed in a second direction orthogonal to the first direction. Each of the side plates includes a first coupling protrusion protruding upward of the battery stack. The bottom plate includes a second coupling protrusion protruding downward of the battery stack.

Abstract: A polypropylene composition made from or containing a first polymer consisting of component (1) made from or containing a propylene homopolymer having an MFR of 80 to 300 and containing 97.5% by weight or more of xylene insolubles (XI), wherein XI of the propylene homopolymer has a Mw/Mn of 4 to 10; and component (2) made from or containing an ethylene/propylene copolymer containing 35 to 50% by weight of an ethylene-derived unit; wherein the polypropylene composition has the following characteristics: 1) the relative proportions of component (2)/[component (1) and component (2)] is more than 30% by weight and not more than 50% by weight, 2) the intrinsic viscosity of xylene solubles (XSIV) of the first polymer is in the range of 1.5 to 4.0 dl/g, and 3) the MFR of the first polymer is in the range of 20 to 100 g/10 min.

Abstract: A polypropylene composition made from or containing a polymer made from or containing: (i) component (1) made from or containing a propylene homopolymer having MFR of 100 to 300 (at a temperature of 230° C. under a load of 2.16 k(g) and containing more than 97.5% by weight of xylene insolubles (XI), wherein XI has a Mw/Mn of 4 to 10; (ii) component (2) made from or containing an ethylene/propylene copolymer containing 15 to 50% by weight of an ethylene-derived unit; wherein 1) relative proportions of component (1) and component (2) are, respectively, not less than 50 parts by weight but less than 70 pbw and more than 30 pbw but not more than 50 pbw, 2) intrinsic viscosity of xylene solubles (XSIV) of the polymer is in the range of 1.5 to 4.0 dl/g, 3) MFR of the polymer is in the range of 20 to 100 g/10 min.

Abstract: An in-vehicle battery attachment structure is to be disposed under a rear seat of the vehicle. The in-vehicle battery attachment structure includes at least one left battery module and at least one right battery module, a housing case, and a battery frame. The at least one left battery module and the at least one right battery module are to be disposed apart from each other in a left-right direction of the vehicle. The housing case houses the at least one left battery module and the at least one right battery module. The at least one left battery module, the at least one right battery module, and the housing case are attached to the battery frame in a suspended state. The battery frame is to be fixed to a vehicle body of the vehicle. The rear seat is attached to the battery frame.

Abstract: A protection structure for an on-board battery. The on-board battery includes a battery stack and is configured to be mounted on a vehicle. The protection structure includes a first frame, a second frame, and a fixing member. The first frame is to be coupled to an upper portion of a battery case that contains the battery stack, so as to fix the battery case to a vehicle body of the vehicle. The second frame is to be disposed above the battery case and to be coupled to the first frame. The fixing member is to be fixed to the second frame so as to suspend and support the battery stack. The second frame is to be disposed in a direction crossing a longer direction of the battery stack and at least at an approximate center in the longer direction of the battery stack.

Abstract: A polypropylene-based resin composition contains: a component (A1) being a propylene homopolymer or a copolymer of propylene and a 30 wt % or less ?-olefin having 2 or 4 to 8 carbon atoms, having a intrinsic viscosity of more than 20 dl/g, as measured in a tetralin solvent at 135° C.; and a component (A2) being a polymer selected from the group consisting of (A2-1) a propylene homopolymer, (A2-2) a random copolymer of propylene and an ?-olefin having 2 or 4 to 8 carbon atoms, (A2-3) a block copolymer of propylene and an ?-olefin having 2 or 4 to 8 carbon atoms, and a combination of the (A2-1), (A2-2), and (A2-3). The resin composition has a content of the component (A1) of 0.1 to 10 wt % and a content of the component (A2) of 99.9 to 90 wt % based on the total amount of the component (A1) and the component (A2). The component (A2) has a melt flow rate (MFR) (230° C., load: 2.16 kg) of 1 to 500 g/10 min.

Abstract: A vehicle battery temperature control apparatus includes a battery temperature detector, first and second ducts, an exhaust pipe, a heat receiver, a blower fan, and a processor. The processor causes the blower fan to rotate in one of opposite directions, thereby introducing cooling air from the first duct into a battery compartment, and emitting the cooling air that has cooled a battery to the outside via the second duct, if the battery temperature is higher than a first set temperature, and causes the blower fan to rotate in the other direction, thereby introducing air raised in temperature by exchanging heat with the exhaust pipe through the heat receiver from the second duct into the battery compartment, and emitting the air that has raised the temperature of the battery to the outside via the first duct, if the battery temperature is lower than a second set temperature.

Abstract: To provide a construction machine capable of reducing the time and labor of an operator and reliably preventing deterioration of cooling efficiency of a heat exchanger unit. A construction machine includes a heat exchanger unit having a plurality of heat exchangers, a cooling fan configured to supply cooling air to the heat exchanger unit during a forward rotation thereof, a controller configured to control an operation of the cooling fan, a timer configured to count an operation time period of forward rotation of the cooling fan, and a reverse rotation signal output switch configured to output to the controller a reverse rotation signal for causing the cooling fan to rotate in the reverse direction in response to an applied manual operation.

Abstract: A spark plug according to one embodiment of the present invention includes an insulator formed of an alumina-based sintered body, wherein the insulator contains 90 wt % or more of an aluminum component in terms of oxide, and wherein crystal grains of the insulator has an average grain size of 1.5 mm or smaller and a grain size standard deviation of 1.2 ?m or smaller.