Abstract: A vacuum retaining device capable of reuse includes a sucking disk member. The periphery of a disk surface portion of the sucking disk member is formed with a coupling edge portion wrapped and connected with a sealing rim. During use, the coupling edge portion inside the sealing rim forms a support, such that the shape and efficiency of the sealing rim can be kept for a long time. When a sealing surface of the sealing rim is poked to disengage from a surface to be adhered, the sealing surface is able to link the coupling edge portion of the sucking disk body. When the vacuum retaining device is not used, the outer edge of the sealing rim is poked for the air to enter the interior of the sucking disk body. The vacuum retaining device can be detached from the surface easily and conveniently.

Abstract: A vacuum retaining device capable of reuse includes a sucking disk member. The periphery of a disk surface portion of the sucking disk member is formed with a coupling edge portion wrapped and connected with a sealing rim. During use, the coupling edge portion inside the sealing rim forms a support, such that the shape and efficiency of the sealing rim can be kept for a long time. When a sealing surface of the sealing rim is poked to disengage from a surface to be adhered, the sealing surface is able to link the coupling edge portion of the sucking disk body. When the vacuum retaining device is not used, the outer edge of the sealing rim is poked for the air to enter the interior of the sucking disk body. The vacuum retaining device can be detached from the surface easily and conveniently.

Abstract: A flow channel plate adapted to a fuel cell apparatus is provided. The flow channel plate includes a separating film and a plurality of bar supporting members. The separating film is disposed between two components of the fuel cell apparatus, and the bar supporting members lean against the separating film and the two components to maintain a distance between the two components. The flow channel plate has low flow resistance.

Abstract: A fuel cell module including a membrane electrode assembly (MEA), a pressing plate, an anode collector, an anode flow channel plate, a cathode collector, and a cathode flow channel plate is provided. The MEA has a protrusion, and the pressing plate presses an edge of a cathode of the MEA. The pressing plate has a first opening to expose the protrusion. The anode collector is disposed on an anode of the MEA. The anode flow channel plate is disposed on anode collector. The anode collector is disposed between the anode and the anode flow channel plate. The cathode flow channel plate faces the cathode collector disposed on the cathode and the pressing plate to form a flow channel between an inner surface of the cathode flow channel plate and the cathode collector. The cathode flow channel plate has a concave portion corresponding to the protrusion.

Abstract: A flow field plate module for a fuel cell system includes at least one flow field plate defining a fuel transporting channel thereon. The fuel transporting channel is divided into a middle converging zone having a group of first flow guiding plates arranged therein, and two diverging zones located at two lateral sides of the middle converging zone and each having a group of second flow guiding plates arranged therein. The second flow guiding plates are symmetrically arranged in the two diverging zones and are directed at respective inner end toward a space between two adjacent first flow guiding plates in the middle converging zone to thereby offset from each of the two adjacent first flow guiding plates by a predetermined distance in a fuel flowing direction, so that a fluid path is formed between any two adjacent first and second flow guiding plates.

Abstract: A fuel cell apparatus including a fuel cell module, a heat exchanging assembly, and an airflow producing element is provided. The fuel cell module is used to perform chemical reactions of a fuel cell. The heat exchanging assembly includes a first heat exchanging part, a second heat exchanging part, and a connection part. The connection part connects the first heat exchanging part and the second heat exchanging part respectively. The airflow producing element is adapted to produce an airflow, and the airflow flows through the first heat exchanging part, the fuel cell module, and the second heat exchanging part sequentially.

Abstract: A fuel cell apparatus including a reaction unit for performing a chemical reaction, at least one fan for providing an airflow, and an airflow guiding device is provided. The airflow guiding device is connected to the fan and the reaction unit. The airflow guiding device includes an airflow rectification segment and a first airflow separation segment. The airflow rectification segment is connected to the fan and has one flow channel. The first airflow separation segment is connected to the airflow rectification segment and disposed between the airflow rectification segment and the reaction unit. A number of flow channels inside the first airflow separation segment is N1, where N1 is a positive integer and N1>1.

Abstract: A fuel cell system having uniform temperature field, includes at least one fuel cell stack. The fuel cell stack includes a housing, a fuel cell module, and an air guiding device. The housing defines an internal receiving space, and has an air outlet zone and at least two air inlet zones. The fuel cell module is disposed in the receiving space and includes a plurality of membrane electrode assemblies are disposed at intervals along a first sidewall toward a second sidewall on a plane of the receiving space of the housing. Each of the membrane electrode assemblies corresponds to at least one of the air inlet zones. The air guiding device is disposed on of the housing for generating airflows via the air inlet zones into the housing. The airflows flow along cathode surfaces of the membrane electrode assemblies and finally flow out of the housing via the air outlet zone.

Abstract: An electronic assembly includes a thermally-conductive substrate, a circuit board device and a plurality of light emitting diode (LED) devices. The circuit board device is disposed on the thermally-conductive substrate. The LED devices are disposed on the thermally-conductive substrate. The LED device includes a plurality of electrical connection portions and at least one thermal connection portion. The electrical connection portions are electrically connected to the circuit board device. The thermal connection portion is thermally connected to the thermally-conductive substrate. The connection locations of the circuit board device connected to the electrical connection portions and the connection location of the thermally-conductive substrate connected to the thermal connection portion are at a same plane. In addition, a backlight module applying the electronic assembly is also provided.

Abstract: A fuel cell system includes a first airflow generator, a first fuel cell module, a second airflow generator and a second fuel cell module. The first airflow generator is capable of providing a first airflow, which flows through the first fuel cell module. The second airflow generator is capable of providing a second airflow, which flows through the second fuel cell module. A heat exchange is proceeded between the first airflow departing from the first fuel cell module and the second airflow prior to entering the second fuel cell module, and another heat exchange is proceeded between the second airflow departing from the second fuel cell module and the first airflow prior to entering the first fuel cell module.

Abstract: A fuel cell system including a fuel cell stack and a fuel cartridge is provided. The fuel cartridge has a shell body and an air bag. The shell body forms a space for storing fuel. The shell body has a fuel outlet and an air inlet. The fuel outlet is connected to the fuel cell stack through a pipe. The air bag is assembled in the shell body with an opening thereof connected to and being in communication with the air inlet.

Abstract: Provided is a water flow system for a fuel cell. The fuel cell includes a battery module. The battery module has a cathode end and an anode end. The water flow system includes a water absorbing material and a pump. The water absorbing material has a first capillary structure and a second capillary structure. One end of the second capillary structure is connected to the first capillary structure. The first capillary structure contacts the cathode end of the battery module. The second capillary structure is disposed outside the battery module and is separated from the cathode end. One end of the pump is connected to the other end of the second capillary structure of the water absorbing material to pump the water in the second capillary structure.

Abstract: A fuel cell circulation system includes a fuel tank, a water tank, a mixing tank, a first pump, a second pump, and an on/off valve. The mixing tank is in fluid communication with the fuel tank and the water tank. The first pump in fluid communication with the fuel tank, the water tank and the mixing tank is for pumping the fuel in the fuel tank and the reaction water in the water tank into the mixing tank to form a mixed fluid. The second pump in fluid communication with the fuel cell and the mixing tank is used for cyclically pumping the mixed fluid to the fuel cell and sending the reacted mixed fluid back to the mixing tank. The on/off valve is provided on the flow path between the fuel tank and the first pump to control the fluid communication between the fuel tank and the mixing tank.

Abstract: A fuel cell device for being inserted into an expansion slot of an electronic device is provided. The fuel cell device includes a case, a first fuel cell module, second fuel cell modules, a connecting interface, and a power management module. The case is divided into a first part and a second part connected thereto. When the fuel cell device is inserted into the expansion slot, the first part is inside the expansion slot and the second part is outside the expansion slot. The first fuel cell module is disposed inside the first part and the second fuel cell modules are juxtaposed inside the second part. The connecting interface is disposed at the case, for being electrically connected to the expansion slot. The power management module is disposed inside the case, for being electrically connected to the first and the second fuel cell modules and the connecting interface.

Abstract: A fuel cell including at least a membrane electrode assembly (MEA), a pipe, a pump and a linkage arrangement is provided. The MEA includes an anode layer, a cathode layer and an electrolyte layer disposed between the anode layer and the cathode layer. The pump is adapted to drive a fluid flowing in the pipe to provide fuel for the anode layer. The linkage arrangement includes a first blade, at least a second blade and a connecting element. The first blade is disposed inside the pipe and located on a flowing path of the fluid, and the fluid is adapted to drive the first blade to rotate. The second blade is disposed outside the pipe, and the connecting element is adapted to connect the first blade and the second blade so that the first blade drives the second blade to rotate to bring air to flow through the cathode layer.

Abstract: A fuel cell apparatus includes a fuel cell module, a pump, a mixing tank, a circulating piping, a valve, a cartridge, and a pressing element. The circulating piping having a first opening is connected to the fuel cell module, pump, and mixing tank. The valve is disposed at the first opening for optionally covering it. The mixing tank stores first fuel. The cartridge connected to a sidewall of the first opening stores second fuel. The concentration of the second fuel is higher than that of the first fuel. The pressing element presses the cartridge to deform it. When the pump is turned on, the valve is closed to cover the first opening, and the first fuel is transported to the fuel cell module. When the pump is turned off, the valve is opened to expose the first opening, and the second fuel is transported to the mixing tank.

Abstract: A membrane electrode assembly (MEA) of a three-edge configuration is provided for a fuel cell system. The MEA is tailored to have three edges and the three edges are embedded in an open space of a frame. The three-edge MEA is arranged between an anode collector plate and a cathode collector plate of the fuel cell system. A flow field plate is arranged at the anode side of the MEA with the anode collector plate interposed between the flow field plate and the MEA. The flow field plate forms a fuel transporting channel that is delimited by three side walls and has three vertices. The configuration of the fuel transporting channel corresponds in shape to the three-edge configuration of the MEA and is in communication with at least one fuel inlet and at least one fuel outlet corresponding to the fuel inlet.

Abstract: A fuel cell including at least a fuel cell module is provided. The fuel cell module has a membrane electrode assembly (MEA), two base plates, an anode current collector and a cathode current collector. The two base plates are disposed on two opposite sides of the MEA to clamp the edge of the MEA. The anode current collector and the cathode current collector are respectively assembled in the central area of the MEA. Moreover, the cathode current collector protrudes from the corresponding base plate. Water produced by the cathode in the present invention flows out through the edge of the cathode current collector so as to improve electricity generation efficiency.

Abstract: A fuel cell apparatus including a reaction unit for performing a chemical reaction, at least one fan for providing an airflow, and an airflow guiding device is provided. The airflow guiding device is connected to the fan and the reaction unit. The airflow guiding device includes an airflow rectification segment and a first airflow separation segment. The airflow rectification segment is connected to the fan and has one flow channel. The first airflow separation segment is connected to the airflow rectification segment and disposed between the airflow rectification segment and the reaction unit. A number of flow channels inside the first airflow separation segment is N1, where N1 is a positive integer and N1>1.

Abstract: A fuel cell module including a membrane electrode assembly (MEA), a pressing plate, an anode collector, an anode flow channel plate, a cathode collector, and a cathode flow channel plate is provided. The MEA has a protrusion, and the pressing plate presses an edge of a cathode of the MEA. The pressing plate has a first opening to expose the protrusion. The anode collector is disposed on an anode of the MEA. The anode flow channel plate is disposed on anode collector. The anode collector is disposed between the anode and the anode flow channel plate. The cathode flow channel plate faces the cathode collector disposed on the cathode and the pressing plate to form a flow channel between an inner surface of the cathode flow channel plate and the cathode collector. The cathode flow channel plate has a concave portion corresponding to the protrusion.