Abstract: The invention relates to a multi-component air conditioning apparatus that provides variable cooling capacities. The apparatus can include a main cooling unit and a heat rejection unit. Air can be treated both sensibly and adiabatically. By controlling the flow and volume of water, the apparatus can condition air to variable temperatures. This allows greater variability of capacity and temperature control.

Abstract: The invention relates to a multi-unit air conditioning system that conditions ambient air below the wet bulb temperature without the use of a mechanical vapor compression system. The system includes two or more individual units. Each unit can include a heat exchanger and evaporative porous media. By varying output of one or more cooling units and controlling water circulation, the system can condition air to variable temperatures. The system can produce a stratified air flow, whereby layers or pockets of air with discernable dry bulb temperatures and/or humidity remain intact. This can improve efficiency of the system and thermal comfort.

Abstract: The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibres and a binder, wherein the catalyst loaded fibres and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.

Abstract: A fuel cell assembly (10) is provided. The fuel cell assembly (10) includes a first endplate (12), a second endplate (14), a plurality of separator plates (16) provided between the first and second endplates (12) and (14), and a plurality of fuel cells (18) forming a fuel cell stack (20). Each of the fuel cells (18) is provided between adjacent ones of the separator plates (16). A plurality of oxidant flow channels (22) is formed in the separator plates (16). The oxidant flow channels (22) define a first flow passage. Each of the fuel cells (18) has an active area. A portion (28) of the separator plates (16) extends beyond the active area of the fuel cells (18) to define a second flow passage at a downstream portion of the first flow passage.

Abstract: The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibres and a binder, wherein the catalyst loaded fibres and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.

Abstract: The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibers and a binder, wherein the catalyst loaded fibers and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.

Abstract: A fuel cell apparatus (10) and method (50) of operating a fuel cell are provided. The fuel cell apparatus (10) includes a fuel cell assembly (12) having a first outlet (26) and a first vessel (34) coupled to the first outlet (26) and forming a first dead end. The first vessel (34) is arranged to receive and hold a portion of a first reactant and water when a supply of the first reactant is being fed to the fuel cell assembly (12) and to return the first reactant in the first vessel (34) to the fuel cell assembly (12) via the first outlet (26) when the supply of the first reactant to the fuel cell assembly (12) is cut off.

Abstract: The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibres and a binder, wherein the catalyst loaded fibres and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.

Abstract: A fuel cell assembly (10) is provided. The fuel cell assembly (10) includes a first endplate (12), a second endplate (14), a plurality of separator plates (16) provided between the first and second endplates (12) and (14), and a plurality of fuel cells (18) forming a fuel cell stack (20). Each of the fuel cells (18) is provided between adjacent ones of the separator plates (16). A plurality of oxidant flow channels (22) is formed in the separator plates (16). The oxidant flow channels (22) define a first flow passage. Each of the fuel cells (18) has an active area. A portion (28) of the separator plates (16) extends beyond the active area of the fuel cells (18) to define a second flow passage at a downstream portion of the first flow passage.

Abstract: The portable charger including an air outlet duct arranged at an upper end of the heat sink inside a ceiling of an housing of the portable charger, to capture and channel an heated air inside the portable charger, a heat sink on the housing at back panel and including fins matching with the air outlet duct to receive heated air, an air intake grill in the housing facing downward when the portable charger is placed in a upright position and to receive an air from an outside of the portable charger, an air intake duct coupled to the air intake grill to channel the air to an inside of the portable charger, an intake fan coupled to the air intake duct to receive the air, an air outlet at the upper end of the heat sink and at opposite end to the intake fan may be provided.

Abstract: A fuel cell apparatus (10) and method (50) of operating a fuel cell are provided. The fuel cell apparatus (10) includes a fuel cell assembly (12) having a first outlet (26) and a first vessel (34) coupled to the first outlet (26) and forming a first dead end. The first vessel (34) is arranged to receive and hold a portion of a first reactant and water when a supply of the first reactant is being fed to the fuel cell assembly (12) and to return the first reactant in the first vessel (34) to the fuel cell assembly (12) via the first outlet (26) when the supply of the first reactant to the fuel cell assembly (12) is cut off.