Abstract: The present invention is a pressure relief valve structure with pressure relief seam, which is composed of the pipe, and the elastic plug with the edge tightly attached on the pipe wall of the pipe, and the elastic plug is penetrated with slim seam. When the fluid is flowing to the elastic plug through the pipe, and the impact pressure from the fluid is larger than the slim seam of the elastic plug could resist, the intersection along the slim seam would be deformed as a hole to make the fluid flowing through the elastic plug and achieve the purpose of pressure relief.

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: The present invention discloses a multi-functional fuel mixing tank, which comprises: a case, a condenser, a fan, a first sheet, and a second sheet; wherein, the case is configured with a first accommodation portion, a second accommodation portion, a third accommodation portion, a first channel, a second channel, a third channel, a fourth channel, a fuel inlet, an air inlet, a fuel outlet, and a product inlet. The fuel inlet, the air inlet, the fuel outlet and the product inlet are configured on the sidewall of the case. The second accommodation portion is used as a mixing tank. The first channel is connected with the fuel inlet and the second accommodation portion. The fourth channel is connected with the first accommodation portion and the second accommodation portion. The condenser is fixed with the first accommodation portion, and used to condense the steam from the air inlet into water, and the condensed water flows to the second accommodation portion through the third channel and the second channel.

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 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: The present invention discloses a cathode fuel flow board for fuel cell, which comprises: a substrate, at least one main channel, and at least one sub channel. The main channels are arranged on the substrate. The sub channels are arranged on the substrate, and the sub channels are intersected and connected with the main channels; wherein, the size of the sub channel is smaller than the size of the main channel. Moreover, the structure of the sub channel may be a groove structure, or a hollow area by digging a small portion of the area of the substrate, and may also be a groove body structure.

Abstract: The present invention discloses a fuel cell structure, which comprises a membrane electrode assembly pallet, a cathode channel pallet and an anode channel pallet. These membrane electrode assemblies are sandwiched and configured between the upper frame pallet and the lower frame pallet, and the material for the two frame pallets are made of the material melted with the supersonic vibration frequency welding means. The cathode channel pallet is a pallet-body structure and bonded with the upper frame pallet of the membrane electrode assembly pallet. The anode channel pallet is a pallet-body structure and bonded with the lower frame pallet of the membrane electrode assembly pallet. The material for the two channel pallets are made of the material melted with the supersonic vibration frequency welding means. The cathode channel pallet, the membrane electrode assembly pallet, and the anode channel pallet are welded and bonded as a single piece structure by the super sonic vibration frequency welding means.

Abstract: The present invention discloses a fuel cell device with reserved signal pins, which comprises a fuel cell pallet, a first fan, a condenser, an anode fuel storage tank, a buffer container, a dosing pump, a circulation pump, and the above-said devices are respectively configured with a temperature sensor, a liquid level sensor, a density sensor, a rotational speed sensor. Thus, the energy management system could not only control based on the status signal of the fuel cell pallet, but also further control with the temperature, liquid level, density, rotational speed, and the like data provided by these sensors.

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 discloses a pallet-type membrane electrode assembly layer structure, which comprises an upper frame, at least one membrane electrode assembly, and a lower frame; wherein, the upper frame is provided with at least one first opening; the lower frame is provided with at least one second opening, and the second openings are corresponding to the first openings; and, the membrane electrode assemblies are sandwiched between the corresponding first openings and second openings respectively; in which, the upper frame, the membrane electrode assemblies and the lower frame are sequentially laminated and stacked from top to bottom, and the upper frame, the membrane electrode assemblies and the lower frame are bonded as a single-sheet structure by the supersonic vibration frequency welding means; and, the material for the upper frame and the lower frame is selected with the material suitable for supersonic welding.

Abstract: A fuel storage device, which contains liquid fuel needed by a fuel cell and is capable of detecting liquid level, includes a main fuel storage tank, a liquid level tube and a liquid level gage. The main fuel storage tank contains liquid fuel. The liquid level tube is disposed independent of the main fuel storage tank and connected to the main fuel storage tank with a short tube section. The liquid level gage is attached to the liquid level tube for measuring liquid level of the liquid fuel.

Abstract: The present invention is a secondary battery, comprising an upper housing, an upper accommodated tank, a main component of battery, a lower accommodated tank, a lower housing each is laminated orderly by layers to form a sealed structure of the secondary battery. The upper accommodated tank is made of a printed circuit board (PCB) material and is used to accommodate electrolyzed material. The lower accommodated tank is made of printed circuit board material and used to accommodate the electrolyzed material. The main component of the secondary battery is inserted between the upper accommodated tank and the lower accommodated tank. The upper tank made of a printed circuit board material is used to cover the upper accommodated tank closely, while the lower tank made of a printed circuit board material is used to cover the lower accommodated tank closely.

Abstract: A fuel cell device with an identification device is described, which comprises a fuel cell board and a memory device. The fuel cell board includes at least one or more printed circuit substrates laminated and sealed into a single layer. At least one membrane electrode assembly is disposed between the printed circuit substrates. An electrical interface is disposed on the fuel cell board for transmitting electrical signals of the fuel cell board. The memory device is used for recording identification data of the fuel cell board, and is disposed directly on the fuel cell board or on an externally-connected interface coupled to the fuel cell board through the electrical interface.

Abstract: A current collection board for a fuel cell comprises a substrate and current collection bars. The substrate includes at least one current collection region. The current collection bars are arranged corresponding to the current collection region; wherein each of the current collection bar includes a metallic pillar with copper covered by stainless steel.

Abstract: The present invention is a current collector board for fuel cell, which comprises: a substrate providing with at least one current collector area; at least one wiring, which is configured on the surface of the substrate; and, at least one pre-made current collector sheet, which is made of high conductivity material; wherein, these current collector sheet are tightly bonded, and covering these current collector areas of the substrate, and extending for contacting with these wirings.

Abstract: The present invention discloses a fuel cell device with charger function, which comprises a base, a fuel cell stack, a system fan, a wind cover, a display, a circuit board, a condenser structure, a condensing fan, a mixing tank and a pump. The fuel cell device could not only supply the power to various electronic products for usage and provide with the charger function, but also could charge different electronic products anytime and anywhere to realize the mobile charging idea.

Abstract: A fuel flow board of a fuel cell is disclosed, which is sandwiched between an upper fuel cell board and a lower fuel cell board, and each fuel cell board includes at least a membrane electrode assembly (MEA). The fuel flow board comprises a substrate having a first surface, a second surface and a fuel flowing channel. The fuel flowing channel is individually disposed on each surface in the form of a concave flow-guiding structure. The first surface and the second surface are contacted with the upper fuel cell board and the lower fuel cell board, respectively. The fuel flowing channel on each surface includes a plurality of trenches defined in parallel. The trenches are disposed corresponding to membrane electrode assemblies of the upper fuel cell board and the lower fuel cell board, and are spaced apart and interlaced on the first surface and the second surface.

Abstract: The present invention is disclosed a manufacturing process and a structure of MEA layer for fuel cell. In the present invention, it forms a rigid support to proton exchange membrane with racks that are separately pasted on the upper an lower surface of it, and the area outside where the racks are pasted is defined as the second areas. Catalyst and diffusion layers are formed on the second areas of the upper and lower surface of the proton exchange membrane by means of Nafion solution manufacturing process, which finally forms the MEA layer for electrochemical reaction of the fuel cell on the second area of the proton exchange membrane.

Abstract: A flow board with a capillary flow structure for a fuel cell comprises a substrate and capillary flow channels. Each of the capillary flow channels is a small serpentine trench disposed on the surface of the substrate to make the adhesion of liquid fuels in the capillary flow channels greater than the surface tension thereof. Therefore, the liquid fuels are inclined to adhere onto the surface of the capillary flow channels and flow smoothly.