Abstract: The present invention relates to a solid oxide fuel cell stack modular structure, in that, being an integration of a plurality of fuel cell modules, it can determine the amount of fuel cell modules to be stacked in the modular structure according to an actual power output demand while ensuring airtightness in the modular structure, and moreover, with the modularization design, each fuel cell module in the modular structure that is malfunctioning can be detached and removed easily from the stack individually so as to be replaced by another operative fuel cell module.

Abstract: A fuel cell assembly structure mainly comprises a housing in which there is an accommodating space; a plurality of unit cell stacks that are stacked in the same direction in the accommodating space of the housing and made by stacking in sequence a cathode layer, a power generation electrode, an anode layer and a connection disk; a connection disk connecting is series each unit cell stack, a sealing disk and a cover in sequence to cover the opening of the accommodating space of the housing. On the outer side of the cover there is a connection base, at least one surface of which has a plurality of conduits and the other end connects to a plurality of cell stack bypass manifolds that further connect to a plurality of side bypass manifolds.

Abstract: A burning device is provided for fuel cell to be run under high temperature. The burning device uses a specific-designed fuel spraying device having porous medium. The burning device can be used under different statuses of flow in the fuel cell. With the burning device, the fuel cell has improved efficiency by enhancing recycling of system heat and pollution of discharged waste gas is reduced.

Abstract: The present invention relates to a solid oxide fuel cell stack modular structure, in that, being an integration of a plurality of fuel cell modules, it can determine the amount of fuel cell modules to be stacked in the modular structure according to an actual power output demand while ensuring airtightness in the modular structure, and moreover, with the modularization design, each fuel cell module in the modular structure that is malfunctioning can be detached and removed easily from the stack individually so as to be replaced by another operative fuel cell module.

Abstract: A solid oxide fuel cell includes a core with an anode inlet, an anode outlet, a cathode inlet and a cathode outlet. A first heater is connected to the anode inlet of the core. A second heater is connected to the cathode inlet of the core. A reformer is connected to the first heater. A heat exchanger is connected to the second heater. A burner is connected to the reformer and the anode and cathode outlets of the core. A humidifier is connected to the reformer. A first gas supply is connected to the humidifier. A second gas supply is connected to the reformer. A third gas supply is connected to the burner. A fourth gas supply is connected to the heat exchanger.

Abstract: A solid oxide fuel cell system includes a fuel cell unit for generating electricity via executing an electrochemical reaction on fuel, a fuel supply for storing the natural gas, water and air and a re-composing unit for re-composing natural gas, water and air into the fuel. A pipe transfers the natural gas, water and air into the re-composing unit from the fuel supply. Another pipe transfers the fuel into the fuel cell unit from the re-composing unit. Another pipe transfers hot air into the re-composing unit from the fuel cell unit. A mixing unit mixes air with residual fuel from the fuel cell unit. A combusting unit burns the mixture from the mixing unit. A heat-exchanging unit executes heat-exchanging between air and the exhaust from the combusting unit. The heat-exchanging unit includes an air-inletting port, an exhaust port and another port for sending hot air into the fuel cell unit.

Abstract: A burning device is provided for fuel cell to be run under high temperature. The burning device uses a specific-designed fuel spraying device having porous medium. The burning device can be used under different statuses of flow in the fuel cell. With the burning device, the fuel cell has improved efficiency by enhancing recycling of system heat and pollution of discharged waste gas is reduced.

Abstract: A solid oxide fuel cell includes a core with an anode inlet, an anode outlet, a cathode inlet and a cathode outlet. A first heater is connected to the anode inlet of the core. A second heater is connected to the cathode inlet of the core. A reformer is connected to the first heater. A heat exchanger is connected to the second heater. A burner is connected to the reformer and the anode and cathode outlets of the core. A humidifier is connected to the reformer. A first gas supply is connected to the humidifier. A second gas supply is connected to the reformer. A third gas supply is connected to the burner. A fourth gas supply is connected to the heat exchanger.

Abstract: A fuel cell assembly structure mainly comprises a housing in which there is an accommodating space; a plurality of unit cell stacks that are stacked in the same direction in the accommodating space of the housing and made by stacking in sequence a cathode layer, a power generation electrode, an anode layer and a connection disk; a connection disk connecting is series each unit cell stack, a sealing disk and a cover in sequence to cover the opening of the accommodating space of the housing. On the outer side of the cover there is a connection base, at least one surface of which has a plurality of conduits and the other end connects to a plurality of cell stack bypass manifolds that further connect to a plurality of side bypass manifolds.

Abstract: An apparatus is disclosed for measuring the permeability of an anode of a solid oxide fuel cell. The apparatus includes a specimen container, an air reservoir and a recorder. The specimen container includes a can and a cover. The can includes a tunnel defined therein and a cavity in communication with the tunnel. The anode can be disposed in the cavity. The cover includes a tunnel defined therein and a bulger inserted in the cavity and pressed against the anode so that air can penetrate the anode and travel into the tunnel of the can from the tunnel of the cover. The air reservoir is in communication with the cover. The recorder measures and records the pressure and temperature of air in the air reservoir before and after the air is introduced into the specimen container from the air reservoir.

Abstract: The present invention relates to a solid oxide fuel cell, which comprises: a plurality of tubular electrodes, reacting gases supplying means, and a preheat piping. The tubular electrodes are concentrically arranged while enabling the polarity of a surface of any one of the plural electrodes is the same as that of the corresponding surface of a neighbor electrode faced thereto; wherein each tubular electrode further comprises an anode layer, a cathode layer, and a solid electrolyte layer sandwiched between the anode layer and the cathode layer. The supplying reacting gases means is capable of supplying fuel and gas respectively to the anode and cathode of the tubular electrodes. The preheat piping, connected to the supplying reacting gases means, collects the heat generated from the combustion reaction of residual fuel and gas, which can be utilized to preheat the gases supplying reacting means.

Abstract: An apparatus is disclosed for measuring the permeability of an anode of a solid oxide fuel cell. The apparatus includes a specimen container, an air reservoir and a recorder. The specimen container includes a can and a cover. The can includes a tunnel defined therein and a cavity in communication with the tunnel. The anode can be disposed in the cavity. The cover includes a tunnel defined therein and a bulger inserted in the cavity and pressed against the anode so that air can penetrate the anode and travel into the tunnel of the can from the tunnel of the cover. The air reservoir is in communication with the cover. The recorder measures and records the pressure and temperature of air in the air reservoir before and after the air is introduced into the specimen container from the air reservoir.

Abstract: A solid oxide fuel cell stack of modularized design is disclosed, which comprises: at least a fuel cell cassette; an air tank, for providing air to the fuel cell stack while being used for receiving the fuel cell cassette; a fuel tank, for providing fuel to the fuel cell stack; and a set of conducting strips, connecting to the fuel cell cassette for transmitting electricity out of the fuel cell stack; wherein the fuel cell cassette further comprises a planar fuel cell and a case, being used for receiving the planar fuel cell. Preferably, the planar fuel cell is composed of two membrane electrode assembly (MEA), each having an anode electrode, a cathode electrode, and a nickel mesh with an extending bar, sandwiched between the two MEAs, whereas the anode electrode of one of the two MEAs is placed facing the anode electrode of another MEA.

Abstract: The present invention relates to a solid oxide fuel cell, which comprises: a plurality of tubular electrodes, reacting gases supplying means, and a preheat piping. The tubular electrodes are concentrically arranged while enabling the polarity of a surface of any one of the plural electrodes is the same as that of the corresponding surface of a neighbor electrode faced thereto; wherein each tubular electrode further comprises an anode layer, a cathode layer, and a solid electrolyte layer sandwiched between the anode layer and the cathode layer. The supplying reacting gases means is capable of supplying fuel and gas respectively to the anode and cathode of the tubular electrodes. The preheat piping, connected to the supplying reacting gases means, collects the heat generated from the combustion reaction of residual fuel and gas, which can be utilized to preheat the gases supplying reacting means.

Abstract: The present invention is to provide a kind of multifunction passive and continuous fluid feeding system for external systems, the fluid-feed system including a storing and transmitting component, a measuring and regulating component, and a control unit characterized by: pressurizing from above fluid level surface of the feed fluid tank by high-pressure gas supply source to fulfill the passive fluid feeding function, performing the feed fluid measuring and regulating through the flow meter and flow control valve installed on the transmission pipe lines connecting to the external systems, fulfilling function of continuous fluid feeding by switching between two fluid-feed tanks, and combining the feed fluid requirements of the external systems through the control unit to achieve the multifunction fluid-feed art of automatic operation, continuous fluid feeding, and flow rate controlling.

Abstract: The passive energy saving system for a building of the present invention includes a first reservoir, a heat exchanger positioned under the first reservoir, a first pipeline connecting the first reservoir and the heat exchanger, a heat-absorbing board positioned in the building, and a second pipeline connecting the heat exchanger and the heat-absorbing board. The first reservoir comprises cooling water, and the function of the first pipeline is to transfer the cooling water between the first reservoir and the heat exchanger. The heat-absorbing board uses fluid to absorb heat of air inside the building, and the function of the second pipeline is to transfer the fluid between the heat-absorbing board and the heat exchanger.

Abstract: This invention provides buildings with a modular air conditioning system that utilizes solar energy for heating air. This invention contains a solar collector assembly, an inlet assembly and an outlet assembly. The solar collector assembly further comprises a transparent panel, a heat-absorbing set and a support base, and forms paths for heating the air, wherein the heat-absorbing set is made of several simple, light-weight modular heat-absorbing units to form several heat-absorbing channels. Such a design not only can fully utilize the heat-absorbing space on the roof and save the cost for being displayed in marketing channels, but also can be constructed by the users in accordance with their own needs, so as to save cost in modularization. The inlet and outlet assemblies communicate to the heat-absorbing channels in the solar collector assembly and are respectively connected to the pipes and paths leading into and out of the buildings.

Abstract: This invention provides buildings with a modular air conditioning system that utilizes solar energy for heating air. This invention contains a solar collector assembly, an inlet assembly and an outlet assembly. The solar collector assembly further comprises a transparent panel, a heat-absorbing set and a support base, and forms paths for heating the air, wherein the heat-absorbing set is made of several simple, light-weight modular heat-absorbing units to form several heat-absorbing channels. Such a design not only can fully utilize the heat-absorbing space on the roof and save the cost for being displayed in marketing channels, but also can be constructed by the users in accordance with their own needs, so as to save cost in modularization. The inlet and outlet assemblies communicate to the heat-absorbing channels in the solar collector assembly and are respectively connected to the pipes and paths leading into and out of the buildings.

Abstract: A squelch circuit with an adjustable reference level, having an input level comparator with a first, a second, a third and a fourth current input terminal, a first and a second input terminal, and an output terminal. A first current source is coupled between the first current input terminal and an operation voltage. A second current source is coupled between the second current input terminal and the operation voltage. A third current source is coupled between the third current input terminal and a ground terminal. A fourth current source is coupled between the fourth current input terminal and the ground terminal. A bias generator is coupled to the first, second, third and fourth current sources to generate current control signals thereto according to a reference current and control bits, such that the first, second, third and fourth current sources generate the same current, which adjusts the reference level.

Abstract: The present invention is to provide a kind of multifunction passive and continuous fluid feeding system for external systems, the fluid-feed system including a storing and transmitting component, a measuring and regulating component, and a control unit characterized by: pressurizing from above fluid level surface of the feed fluid tank by high-pressure gas supply source to fulfill the passive fluid feeding function, performing the feed fluid measuring and regulating through the flow meter and flow control valve installed on the transmission pipe lines connecting to the external systems, fulfilling function of continuous fluid feeding by switching between two fluid-feed tanks, and combining the feed fluid requirements of the external systems through the control unit to achieve the multifunction fluid-feed art of automatic operation, continuous fluid feeding, and flow rate controlling.