About 14 results
https://drivepatents.com/patents/955891 · 4 Nov 2015
The invention relates to a method for operating a fuel cell device (10), a fuel cell device (10) with a fuel cell (11), and a motor vehicle (20) with a drive system and a fuel cell device (10). In order to prevent energy provided by the fuel cell device (1...
https://drivepatents.com/patents/970546 · 3 Sep 2014
The device (1) has a hydrogen storage unit (7) mounted parallel to an electrochemical battery (3). The battery and the storage unit store energy provided by a generation unit (17). A measurement sensor (19) measures electric flux provided by the generation...
https://drivepatents.com/patents/990907 · 8 May 2013
The method involves reducing an output current (Ifc) of a fuel cell (2) when a battery voltage (Ubat) exceeds a first predetermined critical value. The pressure in the fuel cell is reduced if the output current falls below a second predetermined critical v...
https://drivepatents.com/patents/995375 · 5 Dec 2012
The method involves supplying fuel and oxidizing gas to electrochemical cells. A set point representative of variable load (8) is defined, and fuel pressure and oxidizing gas pressure in a fuel cell stack (2) of a hybrid system (1) are monitored. The press...
https://drivepatents.com/patents/996042 · 14 Nov 2012
The method involves splitting water in an electrolyzer (22) into hydrogen and oxygen and is stored in separate storage containers (25,26). The hydrogen and oxygen in a fuel cell (27) is converted into electrical energy (28), such that hydrogen is stored in...
https://drivepatents.com/patents/996603 · 31 Oct 2012
A fuel cell system (101) comprising a fuel cell (120) and a reaction container (103), wherein the fuel cell (120) comprises a fuel electrode (121), an air electrode (122) and an electrolyte film (123) and the reaction container (103) comprises a hydrogen s...
https://drivepatents.com/patents/1001422 · 13 Jun 2012
An electrical power source for a portable electronic device. The electrical power source includes at least one fuel cell adapted to receive fuel and generate therefrom electrical power for powering at least one component of the portable electronic device, ...
https://drivepatents.com/patents/1004733 · 7 Mar 2012
The present invention is directed to a fuel cell system with various features for optimal operations of an electronic device, a battery charger or a fuel refilling device. The fuel cell system includes an information storage device associated with the fuel...
https://drivepatents.com/patents/1066591 · 14 Jun 2006
There is provided a power supply system which can cause a predetermined device to stably operate by only directly connecting an electrode terminal to the device, suppress waste of a power generation fuel, and achieve effective use of an energy resource.
https://drivepatents.com/patents/1083429 · 6 Oct 2004
A fuel cell system includes a fuel cell stack, an air supply system including a blower for driving the air to the fuel cell stack and an air humidifier for humidifying the air supplied to the fuel cell stack, a hydrogen supply system including a hydrogen s...