Abstract: An absorption fluid reservoir having a fluid inlet for receiving gases during a charging event and a gas analysis unit for detecting unwanted impurities in the gases prior to being received in the reservoir and a control unit for eliminating the gases having the impurities.

Abstract: The invention relates to a fuel reservoir for gaseous fuel in a vehicle, in particular a sorption reservoir. The fuel reservoir is delimited by at least one wall and includes a sorption material that is contained in its interior. The fuel reservoir has a tank inlet valve containing a shut-off valve and a throttle restriction valve. The restriction of the gaseous fuel takes place inside the fuel reservoir.

Abstract: The invention relates to a method for controlling the withdrawal of gas from a sorption reservoir. The temperature in the sorption reservoir having a decreasing amount of gas therein is increased until a maximum acceptable temperature is reached such that a predetermined minimum pressure in the sorption reservoir does not fall below that threshold. The invention also relates to a device for storing at least one gas, having a sorption reservoir that has at least one attachment via which the sorption reservoir can be filled with gas or via which gas can be withdrawn from the sorption reservoir. The invention also relates to a device having at least one heating element which can warm the sorption reservoir, also a control system that can increase the temperature in the sorption reservoir when withdrawing the gas in such a manner that a predetermined minimum temperature in the sorption reservoir is not fallen below in order to attain a maximum acceptable pressure.

Abstract: The invention relates to a fluid reservoir (1), especially an adsorption fluid reservoir comprising a fluid inlet (2). The fluid reservoir according to the invention is characterized by a gas analysis unit (3) for detecting unwanted impurities.

Abstract: The invention relates to a fluid reservoir, particularly a fluid reservoir with a sorption medium. According to the invention an improvement is provided by a device for the temperature control of the fluid reservoir.

Abstract: The invention relates to a fuel reservoir for gaseous fuel in a vehicle, in particular a sorption reservoir. The fuel reservoir is delimited by at least one wall and includes a sorption material that is contained in its interior. The fuel reservoir has a tank inlet valve containing a shut-off valve and a throttle restriction valve. The restriction of the gaseous fuel takes place inside the fuel reservoir.

Abstract: The invention proposes a vehicle (1) having a fuel cell system and/or an internal combustion engine and having at least one gas tank (2) for being filled with a gaseous fuel, in particular with natural gas or hydrogen, wherein a metal organic framework (MOF) is arranged in the interior of the gas tank (2) as a storage material for holding the fuel, wherein a comparatively high storage density is obtained and/or sufficient space for luggage or loading is made available in the vehicle (1). This is achieved according to the invention in that the gas tank (2) which comprises the metal organic framework (MOF) is embodied as a compressed-gas tank (2) for storing the gaseous fuel under pressure.

Abstract: An electrochemical sensor is provided for measuring the concentration of nitrogen oxides in a gas to be measured, in particular in the exhaust gas of internal combustion engines in motor vehicles, having a first pump cell which includes a solid electrolyte and a pair of electrodes situated thereon which are connected to a first pump voltage, and having a second pump cell situated downstream in the gas flow which includes a solid electrolyte and a pair of electrodes situated thereon which are connected to a second pump voltage. To achieve an easily manufactured, more economical design of the sensor, for the electrodes in a first pump cell, the first electrode is exposed to the exhaust gas and the second electrode is exposed to a reference gas, and for the electrodes in a second pump cell, the first electrode is exposed to the gas volume leaving the first pump cell and the second electrode is also exposed to the reference gas.

Abstract: An electrochemical sensor element for determining the oxygen concentration in exhaust gases of internal combustion engines is described. The sensor element has a pump cell, which has a pump electrode situated on a surface of the sensor element facing the gas mixture, and a measuring gas electrode situated in a measuring gas area, the gas mixture entering the measuring gas area through a diffusion resistor. In addition, the sensor element has a reference electrode situated in a reference gas area. Another diffusion resistor is provided between the measuring gas area and the reference gas area.

Abstract: A device for dispensing hydrogen, in particular for supplying gaseous hydrogen for a fuel cell, has a reservoir, a gas connection for removing hydrogen from the reservoir and at least one heating device with which the reservoir is heatable for dispensing hydrogen. In addition, the reservoir is subdivided into at least two modules which are heatable independently of one another.

Abstract: A method for operating a sensor element (10) for determining at least one gas component of a gas, in particular of an exhaust gas of a combustion engine, is proposed. A measured gas space (35) that is in communication with the gas located outside the sensor element (10) is introduced into the sensor element (10). A first electrode (31) and a second electrode (32) are provided in the measured gas space (35) on an oxygen-ion-conducting solid electrolyte (21), and a third electrode (33) is provided outside the measured gas space (35). The second electrode (32) is electrically connected by the solid electrolyte (21) to the third electrode (33), so that oxygen is pumpable by application of a voltage between the second electrode (32) and the third electrode (33).

Abstract: An electrochemical sensor element (10) for determining the oxygen concentration in exhaust gases of internal combustion engines is described. The sensor element (10) has a pump cell, which has a pump electrode (52) situated on a surface of the sensor element (10) facing the gas mixture, and a measuring gas electrode (50) situated in a measuring gas area (40), the gas mixture entering the measuring gas area (40) through a diffusion resistor (31). In addition, the sensor element (10) has a reference electrode (51) situated in a reference gas area (41). Another diffusion resistor (32) is provided between the measuring gas area (40) and the reference gas area (41).

Abstract: A polymer compound containing a ceramic powder and a polymer is described, the ceramic powder having a specific surface area of more than 1.8·108 m2/m3 and constituting more than 5 vol. % of the polymer compound, the polymer being shear resistant, and the pore sizes in the polymer compound being 3-15 nm. Furthermore, a method for manufacturing this polymer compound, its use, and a sintered body manufactured therefrom are also described.

Abstract: A device for dispensing hydrogen, in particular for supplying gaseous hydrogen for a fuel cell, has a reservoir, a gas connection for removing hydrogen from the reservoir and at least one heating device with which the reservoir is heatable for dispensing hydrogen. In addition, the reservoir is subdivided into at least two modules which are heatable independently of one another.

Abstract: An oxygen measuring sensor is proposed, having a pump cell (20) with outer and inner pump electrodes (17, 19) disposed on a solid electrolyte (11) which conducts oxygen ions, of which the inner pump electrode (17) is exposed in a diffusion conduit (15) to the gas to be measured. A further electrode (18) of a measuring cell (21) is disposed in the diffusion conduit (15) behind the inner pump electrode (17) in the direction of diffusion, at which a partial oxygen pressure, which lies at least approximately in the vicinity of lambda=1, can be set by means of the pump cell (20), so that the pump cell (20) operates outside of the limiting current range of the current/voltage characteristic curve.

Abstract: A process for reducing pollutants, particularly nitrogen oxides from combustion gases during a combustion process that takes place while oxygen is supplied, includes providing oxygen needed for the combustion process by separating oxygen from a gas mixture containing oxygen and nitrogen in a two-step process including (a) enriching the gas mixture with oxygen in a first step to provide an enriched gas mixture; and (b) separating oxygen out of the enriched gas mixture in a second step, wherein, during at least one step oxygen depleted gas mixture is removed via an outlet provided with permeability means that cause the outlet to have a higher permeability for nitrogen than oxygen.

Abstract: An electrically tunable planar filter has a filter element including a substrate having an upper side and a wave-guide arranged on the upper side of the substrate, at least one tuning element composed of at least one material selected from the group consisting of a ferroelectric material and an antiferroelectric material with adjustable voltage applied to the tuning element and thereby with an adjustable dielectric constant, the tuning element being arranged at the upper side of the substrate.

Abstract: An electroluminescent layer arrangement having a light-emitting organic material arranged between two electrodes which can be connected to a DC voltage source, a first electrode being a hole-injecting electrode (anode) and a second electrode being an electron-injecting electrode (cathode). The hole-injecting electrode and/or the electron-injecting electrode consist, at least locally, of a nanomaterial.

Abstract: A ceramic layer system including at least two layers having respective ion conductivities which are substantially different includes a substrate layer composed of a ceramic material and having substantially no ion conductivity; and at least one conducting layer positioned adjacent to the substrate layer, containing coated ceramic particles composed of ceramic particles composed of a ceramic material having no substantial ion conductivity which are coated with a material having a substantial ion conductivity so that each conducting layer of the at least one conducting layer has a continuous phase after sintering composed of the material which has a substantial ion conductivity and so that the at least one conducting layer has an ion conductivity effective to conduct ions.

Abstract: Proposed is a method for producing an arrangement for converting optical signals into electrical signals, the arrangement comprising a substrate having structures for guiding an optical fiber and for deflecting light transmitted by way of the optical fiber. The structures (11, 12, 13) on the substrate (10) are created through the production of a mold of the contour of a molding tool. A ceramic base material is advisably used as the starting material for the substrate (10). The molding is effected through pressing, injection pressing, slip casting, injection molding or reaction casting.