Abstract: A fuel cell stack includes a stack body, a stack casing, and an exhaust duct. The stack body includes a first end, a second end, a bottom, a top, a side, and a downwardly inclined portion. The top has a substantially flat portion with an end point. The side extends between the top and the bottom and between the first end and the second end. The downwardly inclined portion connects the end point of the substantially flat portion and the side. The stack casing accommodates the stack body. The stack casing includes an upper wall and a side wall. The side wall is opposite to the side of the stack body. The exhaust duct is connected to the upper wall of the stack casing. The exhaust duct has an opening on the upper wall. The opening is arranged between the end point and the side wall.

Abstract: Provided is a fuel cell stack capable of suppressing damage to a seal member and suppressing leakage of a reaction gas to the outside of a casing or entry of water from the outside of the casing for a long period of time. The fuel cell stack includes a pair of end plates and holds a laminate from two sides in a direction, a casing which houses the laminate and has connection bars extended between the pair of end plates, a fastening member inserted into an end plate side mounting hole and a connection bar side mounting hole, and chamfered parts formed in an end plate side small diameter part of the end plate side mounting hole. A chamfer angle between an inner surface of the outer chamfered part and the direction is larger than a chamfer angle between an inner surface of the inner chamfered part and the direction.

Abstract: A mount structure for a fuel cell stack includes a first bracket member supporting and fixing the fuel cell stack to a first installation member, and a second bracket member supporting and fixing the fuel cell stack to a second installation member. A part of the second bracket includes a constricted portion having low strength in comparison with other portions of the second bracket member.

Abstract: A fuel cell-equipped vehicle includes a fuel cell stack disposed in a front space of a vehicle body by a partition member, and an air conditioner disposed in a rear space of the vehicle body separated by the partition member, wherein external air is introduced into the air conditioner through an external air intake port formed at a portion of the partition member located on a first side with respect to a center in a vehicle width direction of the vehicle body, downstream end of the exhaust duct configured to discharge a reaction gas in the casing communicates with an outside of the vehicle body at a portion located on a second side with respect to the center in the vehicle width direction.

Abstract: A fuel cell stack includes a casing which is formed by a combination of a plurality of plates; and a seal member interposed between the plurality of plates. The plurality of plates includes a pair of first plates facing each other in a first direction with the cell stacked body interposed therebetween, a pair of second plates facing each other in a second direction with the cell stacked body interposed therebetween, and a pair of third plates facing each other in a third direction with the cell stacked body interposed therebetween. The seal member has a frame seal which is formed in a frame shape extending to follow an outer circumferential portion of the first plate, an extension seal which extends in the first direction integrally with the frame seal, and a connection seal which is close to or in contact with the extension seals facing each other.

Abstract: A second end plate constituting a fuel cell stack is provided with a cooling medium supply manifold member and a cooling medium discharge manifold member. The second end plate is also provided with a mount member that affixes the fuel cell stack to an automobile body frame and covers the cooling medium discharge manifold member.

Abstract: A vehicle mount structure for includes a stack case and a boss. The stack case accommodates a fuel cell stack. The stack case includes a bottom panel to be provided on a bracket member of a vehicle. The bottom panel includes a lower plate and an intermediate member. The lower plate is opposite to and below an upper plate in a height direction of the vehicle. The lower plate has an opening to surround a bearing surface of the bracket member. The intermediate member is disposed between the upper plate and the lower plate. The intermediate member has a thickness thicker than a thickness of the upper plate and a thickness of the lower plate. The boss is disposed on the intermediate member and includes a rib. The boss with the rib protrudes toward the bracket member to pass through the opening.

Abstract: A fuel cell stack includes a cell laminate, a casing, a first fastening member, a second fastening member, a first seal member, and a second seal member. The cell laminate includes fuel cells stacked in a stacking direction. The casing accommodates the cell laminate. The casing includes a first end plate, a second end plate, and a connecting member. The first end plate and the second end plate sandwich the cell laminate in the stacking direction. The connecting member is arranged between the first end plate and the second end plate. The first fastening member connects the first end plate and the connecting member. The second fastening member connects the second end plate and the connecting member. The first seal member is provided between the first end plate and the first fastening member. The second seal member is provided between the second end plate and the second fastening member.

Abstract: A fuel cell stack includes fuel cells, first and second rectangular end plates, and side panels. The fuel cells are stacked in a stacking direction to form a stacked fuel cells having a first end and a second end opposite to the first end in the stacking direction. The side panels are disposed between and fixed to the first and second rectangular end plates to surround the stacked fuel cells. The side panels include a first side panel and a second side panel opposite to the first side panel. The first side panel and the second side panel each have an asymmetric shape and are disposed so as to be point-symmetric to each other with respect to a fuel-cell central axis extending in the stacking direction and passing through a center of the fuel cells.

Abstract: A fuel cell system includes a fuel cell stack and a stack case. Curved portions are formed at corners of a first end plate. An upper plate includes curving sections facing the curved portions of the first end plate. An upper seal member is partially interposed between the curved portions of the first end plate and the curving sections of the upper plate.

Abstract: A vehicle mount structure for includes a stack case and a boss. The stack case accommodates a fuel cell stack. The stack case includes a bottom panel to be provided on a bracket member of a vehicle. The bottom panel includes a lower plate and an intermediate member. The lower plate is opposite to and below an upper plate in a height direction of the vehicle. The lower plate has an opening to surround a bearing surface of the bracket member. The intermediate member is disposed between the upper plate and the lower plate. The intermediate member has a thickness thicker than a thickness of the upper plate and a thickness of the lower plate. The boss is disposed on the intermediate member and includes a rib. The boss with the rib protrudes toward the bracket member to pass through the opening.

Abstract: A fuel cell stack for a vehicle includes a stack body and a case. The stack body includes power generating cells to generate electric power via electrochemical reaction between fuel gas and oxidant gas. The power generating cells are stacked. The case houses the stack body therein and is mounted in the vehicle. The case includes a lower panel and an upper panel. The upper panel is provided above the lower panel in a height direction of the vehicle and has an inner surface opposite to the lower panel in the height direction. The stack body is provided between the upper panel and the lower panel. The upper panel includes a flow passage therein which extends along the inner surface of the upper panel and which communicates with an interior of the case and an exterior of the case.

Abstract: Provided is a fuel cell stack capable of suppressing damage to a seal member and suppressing leakage of a reaction gas to the outside of a casing or entry of water from the outside of the casing for a long period of time. The fuel cell stack includes a pair of end plates and holds a laminate from two sides in a direction, a casing which houses the laminate and has connection bars extended between the pair of end plates, a fastening member inserted into an end plate side mounting hole and a connection bar side mounting hole, and chamfered parts formed in an end plate side small diameter part of the end plate side mounting hole. A chamfer angle between an inner surface of the outer chamfered part and the direction is larger than a chamfer angle between an inner surface of the inner chamfered part and the direction.

Abstract: A vehicle fuel cell stack includes a stacked body, a stack case, and a cover member. The stack case accommodating the stacked body therein. The stack case includes an upper wall, a lower wall, and a vent opening. The lower wall is opposite to and below the upper wall in a height direction of a vehicle. The lower wall includes an upper surface and a lower surface opposite to and below the upper surface in the height direction. The vent opening passes through the bottom wall in the height direction. The cover member is disposed on the lower surface of the bottom wall to cover the vent opening when viewed in the height direction and to have an opening between the cover member and the lower surface of the bottom wall when viewed along the lower surface.

Abstract: A mount structure includes a mount member, and a bracket member. An upper surface of the bracket member, which is connected to a lower portion of a fuel cell stack, includes an upper surface cut formed by cutting the bracket member in a depth direction, and the upper surface cut extends in a surface direction. A lower surface of the bracket member, which is opposite to the upper surface, includes a lower surface cut formed by cutting the bracket member in the depth direction, and the lower surface cut extends in the surface direction.

Abstract: A fuel cell system includes a fuel cell stack and a stack case. The fuel cell stack includes power generation cells, a first end and a second end, a first side and a second side, and a top side and a bottom side. The stack case contains the fuel cell stack therein. The stack case includes a first end plate, a second end plate, a first side plate, a second side plate, a top cover plate, a bottom cover plate, and sealing members. Each of the sealing members is disposed between the first side plate and the first end plate, between the first side plate and the second end plate, between the second side plate and the first end plate, and between the second side plate and the second end plate. Each of the sealing members includes an end portion. The end portion has a T-shape.

Abstract: A fuel cell stack includes a pair of end plates disposed on opposing sides of a fuel cell stacked body in a first direction, a coupling bar that bridges between the end plates, a fastening member that connects the end plates and the coupling bar in the first direction, and a cylindrical knock disposed inside an end plate side mounting hole and a coupling bar side mounting hole of the end plates and the coupling bar in the first direction, and being externally fitted to the fastening member inside the end plate side mounting hole and the coupling bar side mounting hole. A first seal member in close contact with at least an inner circumferential surface of the end plate side mounting hole and the fastening member is disposed in a portion located between the cylindrical knock and the fastening member inside the end plate side mounting hole.

Abstract: A fuel cell system includes a stack case containing a fuel cell stack therein. The stack case includes first and second end plates, first and second side plates, top and bottom cover plates. A top sealing member has a substantially rectangular frame shape and disposed between the top cover plate and each of the first end plate, the second end plate, the first side plate and the second side plate. A bottom sealing member has a substantially rectangular frame shape and disposed between the bottom cover plate and each of the first end plate, the second end plate, the first side plate and the second side plate. At least one of the top sealing member and the bottom sealing member including, at at least one corner of the substantially rectangular frame shape, an extension portion to adjust a peripheral length of the substantially rectangular frame shape.

Abstract: A fuel cell stack includes a stack body, a stack casing, and an exhaust duct. The stack body includes a first end, a second end, a bottom, a top, a side, and a downwardly inclined portion. The top has a substantially flat portion with an end point. The side extends between the top and the bottom and between the first end and the second end. The downwardly inclined portion connects the end point of the substantially flat portion and the side. The stack casing accommodates the stack body. The stack casing includes an upper wall and a side wall. The side wall is opposite to the side of the stack body. The exhaust duct is connected to the upper wall of the stack casing. The exhaust duct has an opening on the upper wall. The opening is arranged between the end point and the side wall.

Abstract: A mount structure includes a mount member, and a bracket member. An upper surface of the bracket member, which is connected to a lower portion of a fuel cell stack, includes an upper surface cut formed by cutting the bracket member in a depth direction, and the upper surface cut extends in a surface direction. A lower surface of the bracket member, which is opposite to the upper surface, includes a lower surface cut formed by cutting the bracket member in the depth direction, and the lower surface cut extends in the surface direction.