Abstract:
A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode sheet; a membrane electrode assembly (MEA) unit; an intermediate bonding layer; an integrated anode electrode sheet; and a fuel container. The fabrication of the integrated cathode/anode electrode sheets is compatible with printed circuit board (PCB) processes.
Abstract:
A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode plate, a set of membrane electrode assemblies, an intermediate bonding layer, an integrated anode electrode plate, and a fuel container base. The integrated cathode/anode electrode plates are conducive to mass production, and are manufactured by using PCB compatible processes.
Abstract:
A fuel cell device with a compound power supply is disclosed, which comprises a bipolar fuel cell board and an auxiliary power supply. The bipolar fuel cell board includes at least one fuel cell unit. The auxiliary power supply is disposed on the bipolar fuel cell board and/or on an intermediate substrate sandwiched within the fuel cell device, and is connected to the fuel cell units. Stable power is output due to the combination of power from the fuel cell units and the auxiliary power supply.
Abstract:
A fuel tank device capable of detecting consistency includes a fuel storage tank and a consistency detecting box. The fuel storage tank provides fuel needed by a fuel cell as a fuel supply source for the fuel cell. A consistency detecting passage is disposed near the bottom of the fuel storage tank for the fuel flowing outward to the consistency detecting box. The consistency detecting box further includes a signal emitting component, which is disposed in the consistency detecting box and capable of emitting a signal piercing the fuel in the consistency detecting box, a signal receiving component, which is disposed in the consistency detecting box and capable of collecting the signal after piercing the fuel in the consistency detecting box and a consistency detecting component, which is attached to the consistency detecting box, compares the emitted signal with the collected signal for detecting a consistency of the fuel.
Abstract:
The present invention discloses an uniform flow channel board for fuel cell, which at least comprises a fuel inlet for introducing fuel, and a plurality of channels connected to the fuel inlet. For the uniform flow channel board according to the present invention, the flowing cross-sectional areas of these channels are not equal to each other, and would have about 10%˜30% difference after calculation for determination of uniformity. The flowing cross-section means the size of cross-section for the fuel flowing through the channel.
Abstract:
A liquid fuel mixer is disclosed, which is used to store liquid fuels for a fuel cell. The liquid fuel mixer includes a casing, one or more radiators and a gas permeable but liquid impermeable film. The casing forms a first internal compartment and a second internal compartment, and the first internal compartment is adjacent to the second internal compartment. The casing next to and separating the first internal compartment from the second internal compartment includes at least one vent and at least one drain. The second internal compartment contains the liquid fuels. The radiators are disposed in the first internal compartment. The gas permeable but liquid impermeable film is disposed on the vent. To avoid water condensing on the walls, the bottom of the first internal compartment includes a slopping channel and/or a flow-guilding channel, and the drain is disposed on the end of the lower portion of the slopping channel or the flow-guilding channel.
Abstract:
The present invention provides a layer lamination integrated fuel cell, which comprises: two sheets of one-sided cathode flow field boards, at least one sheet of two-sided cathode flow field board, at least one sheet of two-sided anode flow field board, and, at least one sheet of bipolar fuel cell boards; in which, the two sheets of one-sided cathode flow field boards are configured on the both outmost sides of the fuel cell; these two-sided cathode flow field boards, these two-sided anode flow field boards, and these bipolar fuel cell boards are configured between the fuel cell in separated layers. The side surfaces with the cathode configured on the outmost two sheets of bipolar fuel cell boards for the fuel cell are tightly bonded with two sheets of one-sided cathode flow field boards, respectively; and, the side surfaces with the cathode configured in layers on the other bipolar fuel cell boards for the fuel cell are tightly bonded with each sheet of two-sided cathode flow field board, respectively; and, the side surfaces with the anode for these layered bipolar fuel cells are tightly bonded with each sheet of two-sided anode flow field board, respectively.
Abstract:
A flat panel DMFC (direct methanol fuel cell) includes an integrated cathode electrode sheet; a membrane electrode assembly (MBA) unit; an intermediate bonding layer; an integrated anode electrode sheet; and a fuel container. The integrated cathode/anode electrode sheets are manufactured by using printed circuit board (PCB) compatible processes.
Abstract:
The present invention is a fuel cell apparatus of feedback module which comprises at least one fuel cell unit and energy management unit. The energy management unit used to manage the power efficiency of the fuel cell unit at least comprises the following components: sensing module, which is used to at least sense the temperature variation of the fuel, the liquid level variation of the fuel, the concentration variation of the fuel utilized in the electrochemical reaction proceeded by the fuel cell unit, and used to produce the corresponding sensed signals to these variations; I/O interface, which is used to provide the conducting paths for the signal and the electrical power; constant voltage module, which is used to connect the fuel cell unit and receive the electrical power produced by the fuel cell unit and then output a stable voltage of power supply; microprocessor, which is used to manage the power efficiency of the fuel cell unit based on these sensed signals and the signal received from I/O interface; electrical loop, which is used to connect the fuel cell unit, sensing module, I/O interface, constant voltage module and microprocessor.
Abstract:
This invention relates to a testing fixture for membrane electrode assembly, for testing performance of the membrane electrode assembly, the testing fixture including a first mold unit and a second mold unit. The first and second mold units are capable of clamping towards and separating from each other, and during testing, the membrane electrode assembly is interposed between the first and second mold units clamped to each other. The first mold unit supplies anode fuel to an anode of the membrane electrode assembly and includes a first retaining plate, an anode fuel flow field plate and an anode current collection plate. The second mold unit supplies cathode fuel to a cathode of the membrane electrode assembly and includes a second retaining plate, a cathode fuel flow field plate and a cathode current collection plate.