Disclosed are fuel cells including a membrane electrode assembly (MEA), a separator stacked on a surface of the membrane electrode assembly, a beading portion protruding from a first surface of the separator that faces the membrane electrode assembly, and a sealing member disposed between the membrane electrode assembly and the beading portion and being configured to seal a portion between the membrane electrode assembly and the separator, thereby ensuring rigidity and improving safety and reliability of the fuel cell.

According to an embodiment, a fuel cell includes: a cell staked body 10 including a plurality of single unit fuel cells stacked one on another; a collecting plate 20 located on the cell stacked body 10 in a stacking direction; an insulating plate 30 located on the collecting plate 20; and a tightening structure 40 located on the insulating plate 30 and configured to hold the collecting plate 20 and the insulating plate 30 on the cell stacked body 10 by being tightened toward the cell stacked body 10. The tightening structure 40 includes a first tightening plate 41 including a planar portion in surface contact with the insulating plate 30, and a second tightening plate 42 located on the first tightening plate 41 and configured to press the first tightening plate 41 against the insulating plate 30 by being tightened toward the cell stacked body 10.

According to an embodiment, a fuel cell includes: a cell staked body 10 including a plurality of single unit fuel cells stacked one on another; a collecting plate 20 located on the cell stacked body 10 in a stacking direction; an insulating plate 30 located on the collecting plate 20; and a tightening structure 40 located on the insulating plate 30 and configured to hold the collecting plate 20 and the insulating plate 30 on the cell stacked body 10 by being tightened toward the cell stacked body 10. The tightening structure 40 includes a first tightening plate 41 including a planar portion in surface contact with the insulating plate 30, and a second tightening plate 42 located on the first tightening plate 41 and configured to press the first tightening plate 41 against the insulating plate 30 by being tightened toward the cell stacked body 10.

A fuel cell includes a cell stack including a plurality of unit cells stacked in a first direction; a first end plate including a guide through-hole formed therein, the first end plate being disposed on one end of two ends of the cell stack; a second end plate including a guide support hole formed therein, the guide support hole overlapping the guide through-hole in the first direction, the second end plate being disposed on an opposite end of the two ends of the cell stack; and an enclosure surrounding a side portion between the two ends of the cell stack together with the first end plate and the second end plate, the enclosure being formed as a unitary structure. The enclosure includes a body surrounding the side portion of the cell stack and first and second ends coupled to the first end plate and the second end plate, respectively.

Herein disclosed is a method of making a fuel cell including forming an anode, a cathode, and an electrolyte using an additive manufacturing machine. The electrolyte is between the anode and the cathode. Preferably, electrical current flow is perpendicular to the electrolyte in the lateral direction when the fuel cell is in use. Preferably, the method comprises making an interconnect, a barrier layer, and a catalyst layer using the additive manufacturing machine.

Herein disclosed is a method of making a fuel cell including forming an anode, a cathode, and an electrolyte using an additive manufacturing machine. The electrolyte is between the anode and the cathode. Preferably, electrical current flow is perpendicular to the electrolyte in the lateral direction when the fuel cell is in use. Preferably, the method comprises making an interconnect, a barrier layer, and a catalyst layer using the additive manufacturing machine.

Devices and methods to be used in large-scale production of battery cells or fuel cells when forming cell stacks, including a positioning device for positioning the repeating components of the cell stack. The positioning device includes at least one vibrating jaw having a vibrating jaw contact surface, and a positioning jaw which is rigid in operation and is arranged lower than an upper region of the vibrating jaw and has a positioning jaw contact surface. In one embodiment, the jaws engage each other by complementary protrusion-recess features on the contact surfaces. Alternatively or additionally, the vibrating jaw is provided to move along an arcuate path during oscillation, a tangent of the arcuate path lying on the positioning jaw contact surface.

A fuel cell includes: a membrane electrode assembly (MEA); a first separator stacked on a first surface of the membrane electrode assembly; a second separator stacked on a second surface of the membrane electrode assembly; a first sealing member disposed on the first separator and configured to seal a space between the first separator and the membrane electrode assembly; a second sealing member disposed on the second separator and configured to seal a space between the second separator and the membrane electrode assembly; and a fastening part configured to fasten the first sealing member to the second sealing member.

A method for an assemble system that assembles insulation plates and mounting bars to a stack, includes moving the stack pressed by a stack pressing device to an outside thereof; attaching, a insulation plate attaching device, the insulation plates to the stack; attaching, by a mounting bar attaching device, the mounting bars that is configured to fix the insulation plates to the stack; and assembling, by a bolt assembling device, bolts configured to fix the mounting bars to the stack.

A method for an assemble system that assembles insulation plates and mounting bars to a stack, includes moving the stack pressed by a stack pressing device to an outside thereof; attaching, a insulation plate attaching device, the insulation plates to the stack; attaching, by a mounting bar attaching device, the mounting bars that is configured to fix the insulation plates to the stack; and assembling, by a bolt assembling device, bolts configured to fix the mounting bars to the stack.