Abstract: A battery. A electrode plate assembly is disposed in a casing and includes at least one current collection tab. At least one conductive primer is fit in the current collection tab of the electrode plate assembly and includes an inner threaded portion. At least one sealing cover is connected to the casing. At least one metal washer is disposed between the conductive primer and the sealing cover. At least one first insulation washer is fit on the sealing cover. At least one hollow conductive terminal is riveted to the first insulation washer and metal washer. At least one bolt is fastened to the inner threaded portion of the conductive primer via the hollow conductive terminal, first insulation washer, sealing cover, and metal washer and abuts the hollow conductive terminal. A laser welding treatment is applied between the bolt and the hollow conductive terminal, providing a sealing effect therebetween.

Abstract: Disclosed is a printed circuit board structure which is manufactured by providing a core board, forming an inner circuit layer on the core board surface, forming a bonding pad on the inner circuit, forming a ring-shaped anti-etching layer on the bonding pad, forming an anti-soldering insulation layer on the ring-shaped anti-etching layer and the bonding pad, and forming an opening to expose a part of the bonding pad, wherein the radius of the opening is shorter than the radius of the ring-shaped anti-etching layer, and the bonding pad surface is free of concave. The described structure may prevent the solder extending along the bottom void of the anti-soldering insulation layer to other regions.

Abstract: A fuel cell includes a first mono-sided channel plate, at least one double-sided channel plate, a second mono-sided channel plate, a plurality of membrane electrode assemblies, and a plurality of rigid hydrophilic gaskets. The double-sided channel plate includes a first side channel and a second side channel. The membrane electrode assemblies are respectively disposed between the first mono-sided channel plate and the double-sided channel plate and between the double-sided channel plate and the second mono-sided channel plate. The rigid hydrophilic gaskets are respectively abutted between the first mono-sided channel plate and one of the membrane electrode assemblies, between one of the membrane electrode assemblies and the first side channel of the double-sided channel plate, between the second side channel of the double-sided channel plate and one of the membrane electrode assemblies, and between one of the membrane electrode assemblies and the second mono-sided channel plate.

Abstract: The invention provides a printed circuit board and method for fabricating the same. The printed circuit board includes a substrate having an internal circuit structure. An additional circuit structure is disposed on the substrate, electrically connected to the internal circuit structure. A solder mask insulating layer having an opening is disposed on the additional circuit structure. A conductive bump pattern is disposed in the solder mask insulating layer, wherein the conductive bump pattern extends into the opening horizontally, wherein a side, a portion of an upper surface and a portion of a lower surface of the conductive bump pattern are exposed from the opening from the opening. A solder ball is formed in the opening, wherein the solder ball is electrically connected to the additional circuit structure.

Abstract: A method for forming a wire bonding substrate is disclosed. A substrate comprising a first surface and a second surface is provided. A through hole is formed in the substrate. A conductive layer is formed on the first surface and the second surface of the substrate and covers a sidewall of the through hole. The conductive layer on the first surface of the substrate is patterned to form at least a first conductive pad, and the conductive layer on the second surface of the substrate is patterned to form at least a second conductive pad. An insulating layer is formed on the first surface and the second surface of the substrate and covers the first conductive pad and the second conductive pad. The insulating layer is recessed until top surfaces of the first conductive pad and the second conductive pad are exposed. A first metal layer is electroplated on the first conductive pad by applying current from the second conductive pad to the first conductive pad through the conductive layer passing the through hole.

Abstract: A fuel cell system is provided. The fuel cell system includes a fuel tank, a fuel supply unit, a fuel cell stack, a liquefied recycling unit, a liquid level modulation unit, a sensing unit and a control unit. The fuel supply unit supplies a first fuel to the fuel tank. The fuel tank provides a second fuel to the fuel cell stack, and the fuel cell stack generates a first gas. The liquefied recycling unit liquefies the first gas, transforming the first gas into a recycled fluid. The liquid level modulation unit guides the recycled fluid into the fuel tank to maintain a stable fuel level of the second fuel in the fuel tank. The sensing unit senses a current signal provided by the fuel cell stack. The control unit calculates a current quantity according to the current signal to supply the first fuel to the fuel tank.

Abstract: The invention provides a fuel cell module. The fuel cell module includes a membrane electrode assembly, a flow field plate and a current collector. The current collector, disposed between the membrane electrode assembly and the flow field plate, includes a first surface, a second surface and a plurality of openings. The first surface faces the membrane electrode assembly. The second surface is opposite to the first surface and faces the flow field plate. Each of the openings has an inner wall, and an acute angle is formed between the inner wall and the first surface. Additionally, each opening has a first diameter level with the first surface and a second diameter level with the second surface, wherein the first diameter is smaller than the second diameter.

Abstract: A pressure control system in provided, including a pressure regulating valve, a throttle valve and a relief valve. The pressure regulating valve includes a valve body and a piston assembly. The valve body has a chamber, wherein the chamber has an inlet and an outlet. The piston assembly, movably disposed in the chamber, includes a first piston and a second piston. The first piston corresponds to the inlet and has a first contact surface. The second piston corresponds to the outlet and has a second contact surface. The first piston and the second piston move simultaneously, and the first contact surface is smaller than the second contact surface. The throttle valve, connected with the pressure regulating valve, is disposed at a side of the outlet of the valve body. The relief valve, connected with the pressure regulating valve, is disposed at a side of the inlet of the valve body.

Abstract: A fuel cell is provided, including an integrated cathode/anode flow board, a first anode current collector, a first cathode current collector, a first membrane electrode assembly, a second anode current collector, a second cathode current collector, and a second membrane electrode assembly. The integrated cathode/anode flow board includes first cathode channels for air to flow through, and a plurality of first anode channels for a fuel to flow through. The first cathode channels and the first anode channels are disposed on opposite sides of the integrated cathode/anode flow board. The first anode current collector contacts the first anode channels. The first membrane electrode assembly is sandwiched between the first anode current collector and the first cathode current collector. The second anode current collector contacts the first cathode channels. The second membrane electrode assembly is sandwiched between the second anode current collector and the second cathode current collector.

Abstract: A fuel cell includes a cathode board, a membrane electrode assembly, and an integrated anode flow board. The membrane electrode assembly contacts the cathode board. The integrated anode flow board includes an anode flow board and a current collector combined together. The current collector includes a raised portion abutting the membrane electrode assembly.

Abstract: A hydrogen fuel cell system. A gas/water distributor connects to a hydrogen fuel cell module. A hydrogen input pipe connects to the gas/water distributor, inputting hydrogen thereinto. A reservoir receives water. A water input pipe connects the gas/water distributor to the reservoir. A pump is connected to the water input pipe, transporting the water from the reservoir to the gas/water distributor. A gas/water confluent device connects to the hydrogen fuel cell module. The hydrogen fuel cell module is disposed between the gas/water distributor and the gas/water confluent device. An output pipe connects the gas/water confluent device to the reservoir.

Abstract: A membrane electrode module is provided. The membrane electrode module includes a membrane electrode assembly, a first fixing element and a second fixing element. The membrane electrode assembly includes an exchange-membrane, a first electrode and a second electrode. The exchange-membrane includes a first surface and a second surface. The first electrode is disposed on the first surface. The second electrode is disposed on the second surface. The first fixing element contacts the first surface. The second fixing element contacts the second surface, wherein the first fixing element and the second fixing element are joined to the exchange-membrane via heat-pressing to be fixed to the exchange-membrane.

Abstract: A fuel cell system and a method for checking for hydrogen leakage are provided. The fuel cell system includes a fuel cell module having at least one fuel cell. The fuel cell system further includes a valve coupled to the fuel cell module and a hydrogen source for allowing hydrogen to be passed to the fuel cell module or blocking hydrogen from being passed to the fuel cell module. The fuel cell system further includes a controller board coupled to the valve and the fuel cell module for checking output voltage of the at least one fuel cell to determine whether there is hydrogen leak. The control board controls the valve for blocking hydrogen from being passed to the fuel cell module when the control board determines that there is a hydrogen leak.

Abstract: Battery management systems and methods are provided. The system includes an electronic device and a fuel cell module. The electronic device includes a processing module, a first power adapter, a first communication interface, and a rechargeable battery. The fuel cell module includes a second power adapter connected with the first power adapter, a second communication interface connected with the first communication interface, at least one fuel cell, and a control unit. The control unit receives a first status of the rechargeable battery from the electronic device via the processing module, the first communication interface and the second communication interface, and determines whether to charge the rechargeable battery using the fuel cell via the second power adapter and the first power adapter according to the first status.

Abstract: The invention provides a high density package substrate and a method for fabricating the same. A double-sided copper clad laminate containing an upper copper foil and a lower copper foil is provided. A bottom pad is disposed on the lower copper foil, aligned to a predetermined position of a through hole. The through hole is formed by laser drilling through the upper copper foil and the substrate, but not through the bottom pad. A seed layer is formed conformally lining the through hole, and a metal layer is formed on the seed layer by plating to form a plated through hole (PTH).

Abstract: A fuel cell system and a flow control mechanism thereof are provided. The fuel cell system includes a plurality of fuel cells and the flow control mechanism. The flow control mechanism includes a distributing device and a confluence device, and the cells are stacked between the distributing device and the confluence device. The distributing device or the confluence includes at least one inlet, at least one outlet, at least one passage and at least one buffering section. The passage communicates with the inlet and the outlet. The buffering section is disposed in any position of the passage. The buffering section and the inlet are on different levels.

Abstract: A cutting mold for removing two opposite superfluous rigid circuit boards from a rigid-flexible circuit board. A first cutter is connected to a first moldboard. A first barricade is connected to the first moldboard. The maximum vertical distance from the first barricade to the first moldboard exceeds that from the first cutter to the first moldboard. A second moldboard is opposite the first moldboard. The first and second moldboards move with respect to each other. A second cutter is connected to the second moldboard and corresponds to the first cutter. A second barricade is connected to the second moldboard and detachably abuts the first barricade. The maximum vertical distance from the second barricade to the second moldboard exceeds that from the second cutter to the second moldboard. The first and second cutters cut the superfluous rigid circuit boards when the first and second moldboards move toward each other.

Abstract: A method for forming a wire bonding substrate is disclosed. A substrate comprising a first surface and a second surface is provided. A through hole is formed in the substrate. A conductive layer is formed on the first surface and the second surface of the substrate and covers a sidewall of the through hole. The conductive layer on the first surface of the substrate is patterned to form at least a first conductive pad, and the conductive layer on the second surface of the substrate is patterned to form at least a second conductive pad. An insulating layer is formed on the first surface and the second surface of the substrate and covers the first conductive pad and the second conductive pad. The insulating layer is recessed until top surfaces of the first conductive pad and the second conductive pad are exposed. A first metal layer is electroplated on the first conductive pad by applying current from the second conductive pad to the first conductive pad through the conductive layer passing the through hole.

Abstract: A fuel-cell structure is provided. The fuel-cell structure includes a base, at least one cell unit, a first supplier, a second supplier and a third supplier. The cell unit disposed on the base includes a reaction region, a first connecting port and an outputting terminal, wherein the first connecting port and the outputting terminal are coupled to the reaction region. The first supplier provides a first fluid transmitted to the reaction region of the cell unit via the first connecting port of the cell unit. The second supplier provides a second fluid transmitted to the reaction region of the cell unit, wherein the second fluid and the first fluid are reacted with respect to the reaction region of the cell unit, so that the reaction region of the cell unit provides a first electric power outputting through the outputting terminal.

Abstract: A driving device for driving a load is disclosed, including a secondary cell, a fuel cell, a fuel supply device, and an energy management module. The energy management module is coupled to the secondary cell, the fuel cell, and the fuel supply device for generating a current signal to the load and a first and a second signal to the fuel supply device according to an electrical signal and a liquid level signal of the fuel cell, and driving the fuel supply device to supply a fuel solution to the fuel cell.