Abstract: A fuel cell includes a gas diffusion layer (GM) situated between a catalyst layer of the fuel cell and a flow field plate of the fuel cell. The GM has a first region and a second region along a thickness direction of the fuel cell. The first region is adjacent to the catalyst layer and has a first thermal conductivity. The second region is adjacent to the flow field plate and has a second thermal conductivity lower than the first thermal conductivity.

Abstract: The present disclosure provides a gas diffusion layer for a proton exchange membrane fuel cell. The gas diffusion layer is a graphene membrane, and graphene lamellae in the graphene membrane are arranged irregularly. The present disclosure further provides a preparation method for the gas diffusion layer, and the proton exchange membrane fuel cell including the gas diffusion layer.

Abstract: A method for preparing a cathode catalyst layer structure for a membrane electrode assembly of a fuel cell includes forming a cathode catalyst layer structure having at least a first catalyst layer and a second catalyst layer. The second catalyst layer is configured to be positioned closer to a proton exchange membrane of the membrane electrode assembly than the first catalyst layer, the first catalyst layer is formed from a first slurry, and the second catalyst layer is formed from a second slurry. An average particle diameter of a platinum catalyst, a specific surface area of a carbon support, an I/C ratio, and a weight percentage of the platinum catalyst are selected based on the total weight of the carbon support and the platinum catalyst in each of the first slurry and the second slurry.

Abstract: A method of preparing a bipolar plate for a fuel cell is disclosed. The method includes (a) using an electrically conductive filler and a polymer binder to prepare a bipolar plate blank, (b) vacuum-sealing the bipolar plate blank in a metal foil bag, (c) applying hot isostatic pressing to the bipolar plate blank vacuum-sealed in the metal foil bag at a pressure greater than 100 MPa and a temperature of 150-400° C., and (d) peeling the bipolar plate blank that has undergone the hot isostatic pressing from the metal foil bag, and thereby obtaining the bipolar plate. A bipolar plate prepared by the method is also disclosed.

Abstract: The present disclosure relates to the field of fuel cells. The present disclosure relates to a fuel cell component, comprising a plate body, with the following provided on the plate body: an anode gas flow path leading from an anode inlet to an anode outlet; a cathode gas flow path leading from a cathode inlet to a cathode outlet; and a coolant flow path leading from a coolant inlet to a coolant outlet, the coolant flow path being configured such that coolant is partially diverted from the coolant inlet to a designated region of the plate body and mixes with an undiverted portion in the designated region, in order to enhance cooling capacity in the designated region by means of the mixed coolant. The present disclosure also relates to a fuel cell system and a heat management method for the fuel cell component.

Abstract: The present disclosure provides a gas diffusion layer for a proton exchange membrane fuel cell. The gas diffusion layer is a graphene membrane, and graphene lamellae in the graphene membrane are arranged irregularly. The present disclosure further provides a preparation method for the gas diffusion layer, and the proton exchange membrane fuel cell including the gas diffusion layer.

Abstract: A fluid dispensing machine includes a frame and a fixture held by the frame. The fixture is configured to support a substrate. A positioning system is supported by the frame. A guidance system is supported by the positioning system. The guidance system has a camera viewing the fixture that is movable relative to the fixture. A fluid dispenser is supported by the positioning system and is moved by the positioning system relative to the fixture. The fluid dispenser is configured to dispense fluid onto the substrate. A controller communicates with the positioning system and the guidance system. The controller operates the positing system to control a position of the fluid dispenser relative to the fixture based on an image obtained by the camera.

Abstract: A wire sorting fixture includes a cable support configured to support a multi-wire cable and a wire support configured to support wires of the cable. The wire support has a top surface. The wire support has cradles open at the top surface. The wire support has separating walls between corresponding cradles. A top plate is positioned above the wire support. The top plate is moved toward the wire support to a clamping position after the wires are positioned in the corresponding cradles. The top plate holds the wires between the top plate and the wire support in the clamping position.

Abstract: A component feeding system includes a platform and a tray supported by the platform having a component support surface for supporting a plurality of components. An agitation unit is supported by the platform and is operatively coupled to the tray to agitate the tray to cause the components to move on the tray. A guidance system is supported by the platform and has a camera viewing the tray. A positioning system is supported by the platform and a component gripper is supported by the positioning system and moved by the positioning system relative to the tray. The component gripper is configured to pick and place components on the tray. A controller communicates with the agitation unit, the positioning system, the component gripper and the guidance system. The controller operates the agitation unit, the positioning system and the component gripper based on an image obtained by the camera.

Abstract: A wire sorting machine includes a frame and a fixture held by the frame. The fixture is configured to support a cable having a plurality of wires. A positioning system is supported by the frame. A guidance system is supported by the positioning system. The guidance system has a camera viewing the fixture that is movable relative to the fixture. A wire manipulator is supported by the positioning system and is moved by the positioning system relative to the fixture. The wire manipulator is configured to engage the wires of the cable to position the wires relative to the fixture. A controller communicates with the positioning system and the guidance system. The controller operates the positing system to control a position of the wire manipulator relative to the fixture based on an image obtained by the camera.

Abstract: A method of separating wires from a wire bundle includes positioning a cable with a wire bundle at a wire separating area, positioning a gas nozzle at the wire separating area, and directing gas flow at the wire bundle to separate the wires from the wire bundle. A wire separating system is used to separate wires and including a cable holder having a fixture holding a cable with a wire bundle extending into a wire separating area. The system includes a gas nozzle at the wire separating area that directs gas flow into the wire separating area at the wire bundle. The gas flow separates individual wires from the wire bundle. A wire gripper is provided at the wire separating area. The wire gripper grasps the separated wire from the wire bundle.

Abstract: A component feeding system includes a platform and a tray supported by the platform having a component support surface for supporting a plurality of components. An agitation unit is supported by the platform and is operatively coupled to the tray to agitate the tray to cause the components to move on the tray. A guidance system is supported by the platform and has a camera viewing the tray. A positioning system is supported by the platform and a component gripper is supported by the positioning system and moved by the positioning system relative to the tray. The component gripper is configured to pick and place components on the tray. A controller communicates with the agitation unit, the positioning system, the component gripper and the guidance system. The controller operates the agitation unit, the positioning system and the component gripper based on an image obtained by the camera.

Abstract: A method of separating wires from a wire bundle includes positioning a cable with a wire bundle at a wire separating area, positioning a gas nozzle at the wire separating area, and directing gas flow at the wire bundle to separate the wires from the wire bundle. A wire separating system is used to separate wires and including a cable holder having a fixture holding a cable with a wire bundle extending into a wire separating area. The system includes a gas nozzle at the wire separating area that directs gas flow into the wire separating area at the wire bundle. The gas flow separates individual wires from the wire bundle. A wire gripper is provided at the wire separating area. The wire gripper grasps the separated wire from the wire bundle.

Abstract: A wire sorting fixture includes a cable support configured to support a multi-wire cable and a wire support configured to support wires of the cable. The wire support has a top surface. The wire support has cradles open at the top surface. The wire support has separating walls between corresponding cradles. A top plate is positioned above the wire support. The top plate is moved toward the wire support to a clamping position after the wires are positioned in the corresponding cradles. The top plate holds the wires between the top plate and the wire support in the clamping position.

Abstract: A soldering machine includes a frame and a fixture held by the frame that supports a substrate and a cable. A guidance system is supported by the frame with a camera viewing the fixture that is movable relative to the fixture. A positioning system is supported by the frame. The positioning system has a camera positioner and a soldering mechanism positioner. A soldering mechanism is coupled to the soldering mechanism positioner and is moved by the soldering mechanism positioner relative to the fixture. The soldering mechanism solders wires to the substrate. A controller communicates with the positioning system and the guidance system to operates the positing system to control positions of the camera and soldering mechanism relative to the fixture based on an image obtained by the camera.

Abstract: A wire sorting machine includes a frame and a fixture held by the frame. The fixture is configured to support a cable having a plurality of wires. A positioning system is supported by the frame. A guidance system is supported by the positioning system. The guidance system has a camera viewing the fixture that is movable relative to the fixture. A wire manipulator is supported by the positioning system and is moved by the positioning system relative to the fixture. The wire manipulator is configured to engage the wires of the cable to position the wires relative to the fixture. A controller communicates with the positioning system and the guidance system. The controller operates the positing system to control a position of the wire manipulator relative to the fixture based on an image obtained by the camera.

Abstract: A fluid dispensing machine includes a frame and a fixture held by the frame. The fixture is configured to support a substrate. A positioning system is supported by the frame. A guidance system is supported by the positioning system. The guidance system has a camera viewing the fixture that is movable relative to the fixture. A fluid dispenser is supported by the positioning system and is moved by the positioning system relative to the fixture. The fluid dispenser is configured to dispense fluid onto the substrate. A controller communicates with the positioning system and the guidance system.

Abstract: A layered connector includes a transmission unit having a supporting dielectric cell and an exposing dielectric cell. The supporting dielectric cell has a first surface supporting a signal conductor extending to a mating end of the supporting dielectric cell. The exposing dielectric cell is laminated to the first surface such that the signal conductor is positioned between the supporting dielectric cell and the exposing dielectric cell. The exposing dielectric cell is positioned on the first surface such that a portion of the first surface at the mating end and a portion of the signal conductor is exposed for direct electrical connection of the signal conductor to a mating component.

Abstract: A method of producing a permanent magnet includes: melting boron, cobalt, a metallic alloy component, a mixed rare earth material, and iron together to form a melted alloy and forming a first alloy ingot using the melted alloy, wherein the permanent magnet comprises about 28-35 weight percent of rare earth material; crushing the first alloy ingot into particles having a first average particle diameter less than about 3 millimeters; milling the particles to form a powder mixture with a second average particle diameter in the range from about 2.

Abstract: A permanent magnet comprises boron, cobalt, a metallic alloy component, about 28-35 weight percent of mixed rare-earth material, and iron as a balance. The metallic alloy component is selected from the group consisting of aluminum, copper, niobium, gallium, vanadium, chromium, zirconium, and combinations thereof. The mixed rare-earth material comprises light rare-earth material and heavy rare-earth material. The light rare-earth material comprises at least about 50 weight percent of praseodymium and about 5-50 weight percent of neodymium. The heavy rare-earth material comprises dysprosium or a combination of dysprosium and terbium. The mixed rare-earth material comprises about 3-45 weight percent of heavy rare-earth material. A sum of intrinsic coercivity in the unit of kilo Oersted (kOe) and maximum energy product in unit of mega gauss Oersteds (MGOe) of the permanent magnet is at least about 55.