| BELENOS CLEAN POWER HOLDING AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120100402 | ELECTRODE (ANODE AND CATHODE) PERFORMANCE ENHANCEMENT BY COMPOSITE FORMATION WITH GRAPHENE OXIDE - Described is an electrode comprising and preferably consisting of electronically active material (EAM) in nanoparticulate form and a matrix, said matrix consisting of a pyrolization product with therein incorporated graphene flakes and optionally an ionic lithium source. Also described are methods for producing a particle based, especially a fiber based, electrode material comprising a matrix formed from pyrolized material incorporating graphene flakes and rechargeable batteries comprising such electrodes. | 04-26-2012 |
| 20110305949 | TRANSITION METAL OXIDENITRIDES - An electrode comprises a conductor and an electrode coating, said electrode coating comprising as electronically active material a transition metal (T) oxidenitride of formula Li | 12-15-2011 |
| 20110294028 | FUEL CELL SYSTEM COMPRISING A HEAT EXCHANGER - A fuel cell system including: a fuel cell stack including plural fuel cells sandwiched between two end plates; a fuel supply system supplying a stream of fuel gas to the fuel cell stack; an oxidizer supply system supplying a stream of oxidizer gas to the fuel cell stack; a closed loop coolant circulation system driving a cooling liquid through the fuel cell stack so that the cooling liquid enters the fuel cell stack, absorbs heat from the fuel cells, and exits the fuel cell stack. The coolant circulation system includes a circulation pump driving the cooling liquid, a heat exchanger removing heat from the cooling liquid and for at least partially transferring the heat to the stream of fuel gas and/or the stream of oxidizer gas. The heat exchanger includes a tube made from a heat-conducting material and inserted into a bore in one of the end plates, the tube and the bore defining at least a first fluid channel inside the tube and a second fluid channel in a space existing between the tube and the sides of the bore in the end plate, one of the first and second fluid channels being for the cooling liquid, and the other fluid channel being for the fuel or the oxidizer gas. | 12-01-2011 |
| 20110250516 | METHOD OF SHUT-DOWN AND STARTING OF A FUEL CELL - A method of operating a PEM fuel cell including an anode feed circuit and a cathode feed circuit for feeding of an anode side with a reactant gas and for feeding a cathode side with a cathode gas. A shut-down mode for shutting down an electricity generating operation of the fuel system includes decreasing the supply of reactant gas and cathode gas in response of a shut-down signal, monitoring an output voltage of at least one cell of a fuel cell stack, monitoring the reactant gas pressure and the cathode gas pressure, electrically shunting of the at least one fuel cell in response of the output voltage reaching a predefined voltage level, at least reducing the pressure of the anode side to a predefined pressure level by means of at least one pump, and filling and/or flushing of at least the anode side with an inert gas. | 10-13-2011 |
| 20110245365 | METHOD FOR PRODUCING A RADIATION GRAFTED POLYMER - A method for producing a graft polymer comprises the steps of: a) irradiating a base polymer with an electron beam or a source of γ-radiation, b) contacting a grafting solution with the base polymer, wherein the grafting solution contains at least one oxygen scavenger and at least one graft monomer selected from the group consisting of styrene and styrene derivatives, and c) graft polymerizing the mixture of the base polymer and the grafting solution obtained in step b). | 10-06-2011 |
| 20110111318 | METHOD OF OPERATING A FUEL CELL/BATTERY PASSIVE HYBRID POWER SUPPLY - The method of operating a passive hybrid power supply in, or near, zero connected load conditions comprises the steps of:
| 05-12-2011 |
| 20110059375 | METHOD FOR LIMITING THE OUTPUT VOLTAGE OF A PEM FUEL CELL SYSTEM - The method for limiting the output voltage of a PEM fuel cell system operating in, or near, zero load conditions, in such a way as to minimize degradation of performance over time, comprises:
| 03-10-2011 |
| 20110020706 | NEW ELECTRODE MATERIALS, IN PARTICULAR FOR RECHARGEABLE LITHIUM ION BATTERIES - The method described allows the selection and/or design of anode and cathode materials by n- or p-doping semiconductor material. Such doped materials are suitable for use in electrodes of lithium ion batteries. As one advantage, the anode and the cathode may be produced using anodes and cathodes that are derived from the same semiconductor material. | 01-27-2011 |
| 20100301279 | STABLE DISPERSIONS OF SINGLE AND MULTIPLE GRAPHENE LAYERS IN SOLUTION - Disclosed is a method for producing colloidal graphene dispersions comprising the steps of
| 12-02-2010 |
| 20100233546 | Nitride and Carbide Anode Materials - Described is an anode material which is a transition metal nitride or carbide in form of nanoparticles, preferably a nitride or carbide with one nitrogen or carbon per metal, and especially a nitride or carbide having rock salt structure. A preferred anode material is vanadium nitride, in particular carbon coated vanadium nitride having a mean particle size of <500 nm. Embedded in an electrically conducting environment, such nanoparticulate material, in particular the vanadium nitride shows exceptional good charging-discharging cycle stability. | 09-16-2010 |
| 20100233538 | Open porous electrically conductive nanocomposite material - Nanocomposits of conductive, nanoparticulate polymer and electronically active material, in particular PEDOT and LiFePO | 09-16-2010 |
| 20100209821 | FUEL CELL STRUCTURE AND SEPARATOR PLATE FOR USE THEREIN - The present invention concerns a separator plate for use in a fuel cell stack with a substantially circular or oval main surface wherein a fluid flow path is defined by a plurality of channels extending substantially in parallel to each other and leading a fluid from a fluid supply port to a fluid discharge port. Adjacent channels merge such as to decrease the number of parallel channels from the supply port to the discharge port, thereby decreasing a cross sectional area of the flow path. The plurality of parallel channels comprises the following sections:
| 08-19-2010 |
