Abstract: A fuel cell system and a method for controlling the fuel cell system are provided. The method includes detecting an output characteristic value of the fuel cell system and controlling the fuel cell system to respectively operate in at least two of a first mode, a second mode and a third mode at different time points according to the detected output characteristic value. Accordingly, the fuel cell system is capable of stably generating electric power, and is adapted to different operation environments.

Abstract: A fuel cell system and a method for controlling the fuel cell system are provided. The method includes detecting an output characteristic value of the fuel cell system and controlling the fuel cell system to respectively operate in at least two of a first mode, a second mode and a third mode at different time points according to the detected output characteristic value. Accordingly, the fuel cell system is capable of stably generating electric power, and is adapted to different operation environments.

Abstract: A fuel cell system and a method for controlling the fuel cell system are provided. The method includes detecting an output characteristic value of the fuel cell system and controlling the fuel cell system to respectively operate in at least two of a first mode, a second mode and a third mode at different time points according to the detected output characteristic value. Accordingly, the fuel cell system is capable of stably generating electric power, and is adapted to different operation environments.

Abstract: A loop heat pipe for dissipating heat generated by a heat source includes a pipe, a first capillary structure, a second capillary structure, and a working fluid in the pipe. The pipe has a condensing section, an evaporating section adapted to contact the heat source thermally, and an obstructing section adjacent to the evaporating section. The first capillary structure on an inner surface of the pipe is disposed between the condensing section and the obstructing section. The second capillary structure has a first and a second parts connected with each other. The first part on the inner surface of the pipe is extended from the evaporating section to the obstructing section. The second part passing through the obstructing section is extended from the obstructing section to the condensing section. A space between the first capillary structure and the second part of the second capillary structure defines a compensation room.

Abstract: A non-woven fabric for reacting with a liquid to produce a gas is provided. The non-woven fabric includes at least one non-woven fabric fiber, a plurality of hot melt particles, and a plurality of solid particles. The non-woven fabric fiber has a first melting point. The hot melt particles are bonded with the non-woven fabric fiber and have a second melting point, in which the first melting point is higher than the second melting point. At least a part of the solid particles are bonded with the hot melt particles. Moreover, a method for fabricating the non-woven fabric and a gas generation apparatus using the non-woven fabric are also provided.

Abstract: A hydrogen-generating device is provided, which includes a reaction tank, a first cap, a second cap and a first guiding-pipe. The reaction tank has an accommodation space for accommodating a solid reactant. The first cap covers the accommodation space, wherein the first cap has a plurality of first open-holes. The second cap is disposed on the first cap and has a second open-hole, wherein the first cap and the second cap form a chamber therebetween. The first guiding-pipe passes through the first cap and the second cap to extend to the accommodation space, wherein the first open-holes surround the first guiding-pipe. A liquid reactant is for passing through the first guiding-pipe to arrive in the accommodation space and reacts with the solid reactant to generate a hydrogen. The hydrogen passes through the first open-holes to arrive at the chamber and then is expelled from the second open-hole.

Abstract: An apparatus for generating hydrogen including a housing, a reservoir, and a piston is provided. The housing has a top wall, a bottom wall, and a sidewall. The top wall has vents and a protrudent column extending to the interior of the housing. At least one vent communicates with the top wall and the protrudent column and rest of the vents surround the protrudent column. The reservoir is disposed in the housing for storing a solid state reactant and divides the housing into a first chamber and a second chamber. The first chamber is located between the top wall and the reservoir. The second chamber is located between the bottom wall and the reservoir for storing a liquid reactant. The piston is disposed on the bottom wall. The piston is used to push the liquid reactant towards the reservoir to react with the solid state reactant to generate hydrogen.

Abstract: An apparatus for generating hydrogen for fuel cells is provided. The apparatus includes a housing, a button, a first separating plate, a solid state reactant, and a separating membrane. The housing has an opening and a reservoir. The button connected to the housing covers the opening. The first separating plate disposed in the housing divides the reservoir into first and second sub-rooms. The opening communicates with the first sub-room and the first sub-room is suitable for storing a liquid reactant. The first separating plate has a through hole opposite to the button. The solid state reactant is disposed in the second sub-room. The separating membrane disposed on the through hole separates the first sub-room from the second sub-room. When the button is pushed, the button damages the separating membrane. Therefore, the liquid reactant flows to the second sub-room and reacts with the solid state reactant to generate hydrogen.

Abstract: A hydrogen generating device is adapted for a fuel cell. The hydrogen generating device includes a casing, a button, a solid reactant, a bag-shaped body, and at least one flexible element. The casing has a containing space and an opening. The button is integrally formed and connected to the casing to seal the opening. The solid reactant is disposed in the casing. The bag-shaped body is disposed in the casing and contains a liquid reactant. The flexible element is connected to the casing and is located in the containing space. The flexible element includes a bending end, wherein the flexible element is aligned to the button and is located between the button and the bag-shaped body. When the button is pressed, the button pushes the flexible element so the bending end pierces the bag-shaped body, and the liquid reactant flows out and reacts with the solid reactant to generate hydrogen.

Abstract: A non-woven fabric reacting with a liquid to generate gas fuel is provided. The non-woven fabric includes a plurality of core-sheath fibers, and each of the core-sheath fibers includes a core layer, a sheath layer, and a plurality of solid particles. The core layer has a first melting point. The sheath layer wraps the core layer and has a second melting point, wherein the first melting point is higher than the second melting point. The solid particles are combined to each of the sheath layers. Moreover, a method for fabricating the non-woven fabric, a gas fuel generation device using the non-woven fabric, and a method for generating the gas fuel are also provided.

Abstract: A solid reactant sheet, a solid reactant stack, and a fuel cartridge are provided. The solid reactant sheet comprises an adhesive film and a plurality of solid reaction particles. The adhesive film has a first surface, a second surface opposite to the first surface, and a plurality of through holes connected between the first surface and the second surface. The plurality of solid reaction particles are adhered to the first surface, and the solid reaction particles react with a reactant for generating a gas. Furthermore, a solid reactant stack and a fuel cartridge are also provided.

Abstract: A hydrogen-purifying device is suitable for a fuel cell (FC). The hydrogen-purifying device includes a guiding tank, a first water-absorbing material, a porous filter material and a second water-absorbing material. The guiding tank is connected to a hydrogen-generating device and a fuel cell. The hydrogen-generating device generates hydrogen, moisture mixed with the hydrogen and impurities mixed with the hydrogen. The first water-absorbing material, the porous filter material and the second water-absorbing material are disposed in the guiding tank. The hydrogen passes through the first water-absorbing material to remove a part of the moisture. Then, the hydrogen further passes through the porous filter material to remove the impurity. After that, the hydrogen further passes through the second water-absorbing material to remove another part of the moisture and arrives at the fuel cell.

Abstract: A hydrogen generation device and a fuel cell using the same are provided. The hydrogen generation device includes a first containing groove, a cover, a second containing groove, and a rotating device. The first containing groove contains liquid water. The cover is fixed on the first containing groove and covers the liquid water. The cover has an opening for exposing the liquid water. The second containing groove is stacked on the cover and divided into a plurality of containing compartments, wherein each containing compartment contains a solid fuel. The opening is aligned with one containing compartment so that the corresponding solid fuel reacts with the liquid water generate hydrogen. The rotating device is connected with the first or the second containing groove. The opening is moved and aligned with another containing compartment when the rotating device drives the first containing groove and the second containing groove to relatively rotate.

Abstract: An airflow-guiding device for a light source includes a cap and a guiding element. The cap has an airflow inlet, a through opening, an airflow outlet, a foundation, an annular side wall, and a cover. The foundation is connected to a reflector of the light source. The through opening is located at the foundation and corresponding to a light outlet of the reflector. The annular side wall where the airflow inlet is located is disposed on the foundation. The cover where the airflow outlet is located is disposed on the annular side wall and opposite to the foundation. The guiding element includes a guiding opening and an annular body. The annular body is rotatably disposed in the cap. The annular body where the guiding opening is located surrounds at least part of the through opening and forms a guiding tunnel together with the annular side wall in the cap.

Abstract: A hydrogen generating apparatus and a fuel cell using the same is provided. The hydrogen generating apparatus is adapted to a fuel cell, and includes a main body, an electromagnet, a magnetic element, a containing tank and a sliding element. The electromagnet is fixed on the main body. The magnetic element is movably disposed on the main body. The containing tank is fixed on the main body and is used for containing liquid water. The sliding element is slidably disposed on the main body, wherein a solid fuel is fixed on the sliding element. When the electromagnet is electrified to generate magnetic force to drive a motion of the magnetic element, the magnetic element drives the sliding element to slide towards the containing tank, so that the solid fuel reacts with the liquid water in the containing tank to generate hydrogen.

Abstract: A fuel cell system and a method for controlling the fuel cell system are provided. The method includes detecting an output characteristic value of the fuel cell system and controlling the fuel cell system to respectively operate in at least two of a first mode, a second mode and a third mode at different time points according to the detected output characteristic value. Accordingly, the fuel cell system is capable of stably generating electric power, and is adapted to different operation environments.

Abstract: A fuel cartridge includes a plurality of chambers and a plurality of supply devices. Each of the chambers is capable of storing a first reactant. The supply devices are respectively corresponding to the chambers; and each of the supply devices is capable of supplying a second reactant to the corresponding chamber so that the second reactant reacts with the first reactant in the corresponding chamber to generate hydrogen gas. In addition, a fuel cell system using the fuel cartridge and a power management method thereof are also provided.

Abstract: A fuel cell system and a power management method thereof are provided. The fuel cell system includes a fuel cell power generation part, a switch circuit, a load supply circuit, a status detector, an electronic load circuit, and a control circuit. An input terminal and an output terminal of the switch circuit are respectively coupled to the power generation part and the load supply circuit. The status detector is coupled to a node between the power generation part and the input terminal to detect an output voltage of the power generation part. The electronic load circuit is coupled to a node between the power generation part and the input terminal to perform a current-sinking operation. The control circuit is for generating a first and a second control signals respectively for switching the on-off states of the switch circuit and controlling the current-sinking value of the electronic load circuit.

Abstract: An illumination device and a method controlling the same are provided. The illumination device produces a pulse width modulation signal to control an illumination light source of the illumination device. The illumination light source is used to illuminate an environment. A driver of the illumination device provides a current to the illumination light source so the illumination light source emits light and a light detecting element of the illumination device detects a first brightness in the environment when the pulse width modulation signal is at high potential. The driver stops providing the current to the illumination light source and the light detecting element detects a second brightness in the environment when the pulse width modulation signal is at low potential. Thus, through a single light detecting element, two different levels of brightness in the illuminated environment are detected.

Abstract: A power supply device includes a first case, a second case, a battery module, an air suction element, and a heat exchange module. The first case includes an air hole. The second case is disposed in the first case, and the second case includes a fuel cell therein. The battery module is disposed in the first case. The fuel cell and the battery module supply power to each other. The air suction element is disposed in the first case and near the air hole, and sucks an air into the first case through the air hole. The heat exchange module is disposed in the first case for heating the air. The air is warmed up after flowing by the heat exchange module, and at least a part of the air flows by the fuel cell and the battery module.