Abstract: A concentration detector is disclosed, which is adapted to detect a concentration of a liquid fuel in a container. The concentration detector includes a rotating means positioned underneath a level of a liquid fuel and rotatable at an angle ? on a X-Y plane. The rotating means includes at least three floating objects connected with each other. Each floating object has a specific gravity less than a specific gravity of the liquid fuel ?. The floating objects are balanced according to a torque equation, F(?,?)=0, such that the rotating means is still under the level of the liquid fuel. While a concentration of the liquid fuel is changed and the angle ? of the rotating means is detected, the specific gravity of the liquid fuel ? is obtained from the torque equation, F(?,?)=0, and thereby computing the concentration of the liquid fuel.

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: A fuel cell device capable of adjusting operational parameters is disclosed, which includes fuel cell boards, an anode regulator, a cathode regulator, an anodic fuel supplier, and a control circuit. The fuel cell boards include an electrically connected interface to communicate status signals generated by the fuel cell boards during operation. The anode regulator is connected to the anodic fuel inlets and the anodic fuel outlets of the fuel cell boards and provides anodic fuels with predetermined parameters. The cathode regulator adjusts an amount of cathodic fuels supplied for cathodes of the fuel cell boards. The anodic fuel supplier is connected to the anode regulator and contains anodic fuels.

Abstract: The handling of occlusions in stereo imaging is disclosed. In one implementation, an association between a discontinuity in one stereo image and an occlusion in a second stereo image is utilized. In such an implementation, the first and second stereo images are segmented. A mapping of a discontinuity within the second stereo image is used to form at least part of a boundary of an occlusion in the first stereo image. The mapped discontinuity is found at a boundary between two segments in the second stereo image, and once mapped, divides a segment in the first stereo image into two patches. An energy calculation is made in an iterative manner, alternating with changes to a solution with the disparities and occlusions of the patches. Upon minimization, disparities and occlusions at the patch and pixel level are available.

Abstract: The present invention is a fuel cell apparatus of feedback module which comprises at least one fuel cell unit and energy management unit.

Abstract: A two-sided fuel flow board structure is disclosed, which includes a plate, at least one top concave portion, at least one bottom concave potion, at least one injection flow channel, and at least one exhaust flow channel. The top and the bottom concave portions separately formed on an upper surface and a lower surface of the plate, and each of them is disposed corresponding to each membrane electrode assembly of a fuel cell board. The injection flow channels are formed on the upper surface and the lower surface of the plate, and connected to each of the top and the bottom concave portions, respectively. The exhaust flow channels are formed on the upper surface and the lower surface of the plate, and separately connected to each of the top and the bottom concave portions.

Abstract: A method of controlling fuel concentration in a direct liquid fuel cell is disclosed. In step 101, a direct liquid fuel cell including a first set of membrane electrode assemblies and a second set of membrane electrode assemblies is provided. In step 103, anodic liquid fuels with a known, low-limited concentration are injected into the second set of membrane electrode assemblies such that the second set of membrane electrode assemblies performs electrochemical reactions and generates a first current (I1) at a regular output voltage. Then, the I1 is recorded.

Abstract: The present invention is a fuel cell having serial/parallel connecting mechanism of golden finger. The anode circuit board comprises anode current collection circuitries and one anode golden finger. The anode current collection circuitries are electrically connected to the anode golden finger. The cathode circuit board comprises cathode current collection circuitries and one cathode golden finger. The cathode current collection circuitries are electrically connected to the cathode golden finger. At least above one membrane electrode assembly (MEA) is close and sandwiched between the anode circuit board and the cathode circuit board, and again the MEAs are respectively one-by-one sandwiched between the anode current collection circuitries and the corresponding cathode current collection circuitries.

Abstract: The present invention is a fuel cell having built-in serial/parallel connecting mechanism. The anode circuit board comprises anode current collection circuitries and anode solder pads placed on the peripheral of the anode circuit board. The cathode circuit board comprises cathode current collection circuitries and cathode solder pads placed on the peripheral of the anode circuit board. The placed positions of the cathode solder pads are one-by-one opposite to the placed position of the anode solder pad. At least above one membrane electrode assembly (MEA) is close and sandwiched between the anode circuit board and the cathode circuit board, and again the MEAs are respectively one-by-one sandwiched between the anode current collection circuitries and the corresponding cathode current collection circuitries.

Abstract: A locking door stop includes a fixing seat, a catch rod, a locking plate, and an anti-skid pad. Thus, the anti-skid pad is freely rotatable relative to the catch rod to fit the inclined angle of the ground so that the door stop has an automatic angle adjustment function so as to fit the inclined angle of the ground. In addition, the spring is compressed during movement of the resting portion of the catch rod to produce an elastic compensation effect to the anti-skid pad, so that the anti-skid pad is positioned on the ground solidly and stably.

Abstract: A method for controlling an output power of a fuel cell is disclosed. A DC converter and a fuel cell are provided, and a voltage input end of the DC converter is connected to a voltage output end of the fuel cell. The DC converter is used to convert an input voltage of the fuel cell into a regular output voltage. The DC converter is also used to retain a voltage of the voltage input end of the DC converter within a predetermined range, and thereby an output voltage of the fuel cell is maintained within the predetermined range. The predetermined range of the voltage is set according to a number of membrane electrode assemblies in the fuel cell and a voltage of the membrane electrode assemblies generated in an extent of optimal power.

Abstract: This invention is an electronic circuit board integrated with a fuel cell comprising: a multilayer PCB, including a first region and a second region; an electronic circuit disposed at the first region, including: plural electronic components, disposed at the first region of the multiplayer PCB; plural leads, formed to the first region of the multiplayer PCB, and connecting to the electronic components; a fuel cell disposed at the second region, wherein the multilayer PCB disposed at the second region serves to made a part of the fuel cell.

Abstract: The present utility is related to an assembly structure of clustering fuel cell, comprising the fuel cell, electrical plug board and fuel control unit. The fuel cell has a PCB substrate, at least more than one membrane electrode assembly (MEA), fuel injecting inlet and electrically connecting part. The electrical plug board includes at least more than one electrical connector; each electrical connector is used to plug into the electrically connecting part of each fuel cell. The fuel control unit includes at least more than one fuel output outlet, wherein each fuel output outlet contacts with the fuel injecting inlet of each fuel cell.

Abstract: The present invention is related to a fuel cell having gas/liquid isolated structure, comprising a fuel cell core component and an isolating layer component. The fuel cell core component is used to produce electricity by electro-chemical reaction. The isolating layer is a porous film layer with gas ventilation but with liquid isolation placed inside the fuel cell and is used to isolate the liquid of fuel cell core component in an electro-chemical reaction and the liquid produced after the electrochemical reaction by the isolating layer, and is also used to ventilate the gas of fuel cell core component in electro-chemical reaction and the gas produced after electro-chemical reaction through the isolating layer so as to achieve the functions of water-proof, anti-leakage and liquid-leak prevention.

Abstract: Plasma-sprayed layers of aluminium oxide on a substrate are produced by using a pyrogenically produced aluminium oxide, for example selected from the group consisting of borosilicate and steel, as starting powder.

Abstract: The present invention is related to a manufacturing method of flexible substrate laminate integrated fuel cell, comprising step (A) to step (E). Step (A) is to utilize the flexible circuit substrate used in the printed circuit board (PCB) to respectively manufacture the anode current collection layer and cathode current collection layer by the PCB process. Step (B) is to manufacture a membrane electrode assembly layer. Step (C) is to utilize the lamination or bonding process to respectively laminate the anode current collection layer, membrane electrode assembly layer and cathode current collection layer into the fuel cell reactive layer. Step (D) is to utilize the flexible substrate to manufacture the flow layer. Step (E) is to laminate the fuel cell reactive layer and flow layer.

Abstract: The present invention is a flexible fuel cell, comprising at least one fuel supply unit and at least one power supply unit, characterized in that each power supply unit piles-up each anode current collection layer, membrane electrode assembly layer and each cathode current collection layer by flexible insulators and is able to construct versatile geometry shapes of flexible fuel cell structures.

Abstract: A flow field board arrangement for a fuel cell is disclosed. Injection flow channels and exhaust flow channels are individually disposed on the surface of a substrate. At least a concave portion is disposed on the same, and connected to the injection flow channel and the exhaust flow channel accordingly. An inlet is disposed on the side of the substrate and connected to an end of the injection flow channel. An outlet is disposed on the side of the substrate and connected to an end of the exhaust flow channel. The flow field board arrangement is characterized in that each injection flow channel has an identical length from an influx end of the concave portion to the inlet and/or has an equivalent flow rate, and each exhaust flow channel has an identical length from an efflux end of the concave portion to the outlet and/or has an equivalent flow rate.

Abstract: A compound flow field board for a fuel cell comprises at least a first region and a second region. The first region includes a substrate made of a heat-conductive material, and is disposed corresponding to a membrane electrode assembly. The first region also comprises a projection protruded into the second region. The second region includes a substrate made of an adhesive material, and is connected with the first regions such that the compound flow field board becomes a one-piece structure.

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.