Abstract: A seal (34) for a fuel cell (10), which includes multiple bipolar plates (13) and at least one membrane electrode assembly (12), the seal (34) having a seal body (40) surrounding a free inner chamber (42) is provided. It is provided that at least two flow barriers (46) pointing into the inner chamber (42) are formed as a single piece with the seal body (40), the flow barriers (46) being situated at a distance from the seal body (40) by at least one connecting element (48).

Abstract: A fuel cell module includes a fuel cell unit and a casing. The casing has hollow surface members including a front surface member, a rear surface member, a right surface member, a left surface member, and a lower surface member. A single continuous air channel is formed by connecting spaces inside of these surface members. The air channel has a fluid inlet on the front surface member for allowing the air to flow initially in the front surface member. A first flange and a second flange are provided on the front surface member.

Abstract: The present disclosure relates to an electrochemical cell comprising a fuel electrode for oxidizing a fuel, an oxidant electrode for reducing an oxidant, and an ionically conductive medium for conducting ions between the fuel and oxidant electrodes to support electrochemical reactions at the fuel and oxidant electrodes. The ionically conductive medium comprises at least one active additive for enhancing (controlling the rate, overpotential and/or the reaction sites for) at least one electrochemical reaction within the cell. The cell further comprises an additive medium in contact with the ionically conductive medium and containing the at least one active additive capable of corroding or dissolving in the ionically conductive medium. The additive medium and/or casing is configured to release the active additive to the ionically conductive medium as a concentration of the active additive in the ionically conductive medium is depleted during operation of the cell.

Abstract: An electrical power supply system has a fuel cell module and a battery. The fuel cell can be selectively connected to the battery system through a diode. The system preferably also has a current sensor and a controller adapted to close a contactor in a by-pass circuit around the diode after sensing a current flowing from the fuel cell through the diode. The system may also have a resistor and a contactor in another by-pass circuit around the diode. In a start-up method, a first contactor is closed to connect the fuel cell in parallel with the battery through the diode and one or more reactant pumps for the fuel cell are turned on. A current sensor is monitored for a signal indicating current flow through the diode. After a current is indicated, a by-pass circuit is provided around the diode.

Abstract: The invention relates to a method for controlling the functioning of a fuel cell comprising at least one membrane, comprising the following steps: putting at least two conductive means in contact with two different surface elements of the same first conductive plate, said plate being able to be a distribution plate belonging to a first cell, measurement of one or more electrical voltages between said conductive means electrically connected to an electrical-voltage measurement device.

Abstract: A method for controlling the pressure on the cathode side of a fuel cell system is disclosed. The fuel cell system has at least one fuel cell, an air conveying device which is arranged on a common shaft with an expander, and a system bypass which connects the pressure-side outlet of the air delivery device to the pressure-side inlet of the expander via a system bypass line and a system bypass valve. The system bypass valve is opened in order to increase the pressure in the fuel cell.

Abstract: A method is provided for manufacturing a solid oxide fuel cell having excellent power generation performance and thermal cycle resistance and a solid oxide fuel cell. A method for manufacturing a solid oxide fuel cell includes a first step ST11 of sequentially forming a fuel electrode and a solid oxide electrolyte layer on a substrate; a second step ST12 of forming an air electrode intermediate layer on the solid oxide electrolyte layer; and a third step ST13 of forming, on the air electrode intermediate layer, an air electrode conductive layer using a mixture obtained by mixing first particles in a first average particle size range in which the average particle size (d50) is in a range of 27.0 ?m to 31.0 ?m and second particles in a second average particle size range having an average particle size (d50) smaller than the first average particle size range.

Abstract: Provided are a gas decomposition component, a method for producing a gas decomposition component, and a power generation apparatus. A gas decomposition component 10 includes a cylindrical-body MEA 7 including a first electrode 2 disposed on an inner-surface side, a second electrode 5 disposed on an outer-surface side, and a solid electrolyte 1 sandwiched between the first electrode and the second electrode; and a porous metal body 11s inserted on the inner-surface side of the cylindrical-body MEA and electrically connected to the first electrode, wherein the gas decomposition component further includes a porous conductive-paste-coated layer 11 g formed on an inner circumferential surface of the first electrode, and a metal mesh sheet 11 a disposed on an inner circumferential side of the conductive-paste-coated layer, and an electrical connection between the first electrode and the porous metal body is established through the conductive-paste-coated layer and the metal mesh sheet.

Abstract: A rechargeable battery, including an electrode assembly including wound electrodes with a separator therebetween; a pouch housing the electrode assembly; and lead tabs connected to the electrodes and drawn out of the pouch, the lead tabs including an inner tab having a first thickness, connected to the electrode, and drawn out of the electrode assembly.

Abstract: When stress is concentrated on an electrode and a tab to which a lead of the electrode is connected in a secondary battery with a curved shape, the tab might be broken. The secondary battery including a first electrode, a second electrode, a separator, a first lead, and a second lead includes a first portion, a second portion, and a third portion located between the first portion and the second portion. The first electrode overlaps with the second electrode with the separator provided therebetween in the first portion and the second portion. The first electrode is folded in the third portion so as to form a first folded portion, and the first lead is connected to the first folded portion. The second electrode is folded in the third portion so as to form a second folded portion, and the second lead is connected to the second folded portion.

Abstract: A battery module having a minimized size is provided. The battery module includes a secondary battery unit including a plurality of secondary batteries arranged with a predetermined interval in horizontal and vertical directions, a compression plate wrapping an exterior portion of the secondary battery unit and compressing the secondary battery unit with a predetermined pressure, and a housing accommodating the secondary battery unit combined with the compression plate, the housing including one or more bolt fastening units corresponding to portions between the plurality of secondary batteries arranged in the horizontal direction and protruding from a bottom surface of the housing and one or more bolts fastened with the one or more bolt fastening units by way of the portions between the plurality of secondary batteries arranged in the horizontal direction while passing through the compression plate.

Abstract: The present invention provides an electrolyte for electrochemical device and the electrochemical device thereof. The electrolyte comprises 9.95˜19.95 wt % of a salt; 80.0˜90.0 wt % of a non-aqueous solvent; 0.05˜10.00 wt % of an additive comprising a compound represented by below formula (I) or (II): wherein X1, R1, and R4˜R10 is defined as herein. Besides, the present invention also provides a method for enhancing cycle life of electrochemical device which accomplished by adding said additive to an electrolyte of electrochemical device.

Abstract: A positive electrode of a nonaqueous secondary battery has a positive electrode active material including at least one selected from lithium metal complex oxides having a layered rock salt structure, lithium metal complex oxides having a spinel structure, and polyanion based materials. The electrolytic solution contains a metal salt whose cation is an alkali metal, an alkaline earth metal, or aluminum, and an organic solvent having a heteroelement. Regarding an intensity of a peak derived from the organic solvent in a vibrational spectroscopy spectrum of the electrolytic solution, when an intensity of an original peak of the organic solvent is represented as Io and an intensity of a peak resulting from shifting of the original peak is represented as Is; Is>Io is satisfied. The nonaqueous secondary battery may have a usage maximum potential of the positive electrode of not lower than 4.5 V when Li/Li+ is used for reference potential.

Abstract: The present invention relates in a first aspect to a method for producing in the interior of a production equipment a dehydrated liquid mixture for use as a solvent for a conducting salt (e.g. LiPF6) wherein after cleaning the equipment with isopropyl alcohol and providing or preparing a liquid starting mixture in said interior of the production equipment both the isopropyl alcohol content in the mixture and the water content in the mixture is reduced by interaction with a zeolite molecular sieve.

Abstract: The present disclosure provides an organic electrolytic solution including an organic solvent, a lithium salt, one or more ester sulfate compounds, and one or more phosphoric acid-based ester compounds, and a lithium battery including the organic electrolytic.

Abstract: The present specification provides an electrolyte including a phthalate phosphine-type anion, an additive for a secondary battery including the electrolyte, and a secondary battery including the additive.

Abstract: Provided is an electrolytic solution in which a metal salt and a solvent exist in a new state. The electrolytic solution of the present invention is an electrolytic solution containing a salt whose cation is an alkali metal, an alkaline earth metal, or aluminum, and an organic solvent having a heteroelement. Regarding an intensity of a peak derived from the organic solvent in a vibrational spectroscopy spectrum of the electrolytic solution, Is>Io is satisfied when an intensity of an original peak of the organic solvent is represented as Io and an intensity of a peak resulting from shifting of the original peak is represented as Is.

Abstract: An electrode assembly and a method of manufacturing the same are provided. The electrode assembly includes a first electrode laminate formed by stacking one or more electrode units having a first area, and a second electrode laminate formed by stacking one or more electrode units having a second area different from the first area. The first electrode laminate and the second electrode laminate are stacked on each other in a direction perpendicular to a plane and have a step portion formed by a difference in areas of the first and second electrode laminates, the step portion is present on at least one side of four sides of the electrode assembly, at least one step portion includes at least a portion of tape taped across a stacked side, and the portion of tape has a form corresponding to a stepped shape of the step portion.

Abstract: Provided is a battery pack, which can be prevented from being released from a label adhered to a frame or a battery cell due to distortion applied to the battery pack, thereby preventing noises from being generated during movement of an adhered surface of the label. A battery pack is also provided, which may prevent electrostatic discharge (ESD). The battery pack includes a battery cell, a protective circuit module (PCM) electrically connected to the battery cell, a frame accommodating the battery cell and the PCM, and a label adhered to the battery cell, the PCM and the frame while surrounding the same. A release sheet is attached to a region of the label surrounding the PCM.

Abstract: An object of the present invention is to provide a battery system improved in output characteristics and/or storage characteristic while taking advantage of high energy density of a lithium ion secondary battery comprising a positive electrode containing a positive electrode active material having an operating potential of 4.5 V or more relative to a lithium metal. The present invention relates to a battery system having a first battery consisting of a 5 V-level battery(s), a second battery consisting of a 4 V-level battery(s), and a control system.

Abstract: The present invention provides a non-aqueous electrolyte secondary battery with various improved battery characteristics and a method for manufacturing such a non-aqueous electrolyte secondary battery. In the present invention, the battery manufacturing method includes accommodating and sealing a flat battery element (4) in which a positive electrode plate (41) and a negative electrode plate (42) stacked together via a separator (43), together with a non-aqueous electrolyte including a surplus electrolyte and at least one kind of electrolyte additive, in a laminate film exterior member (5), and then, subjecting the thus-assembled battery (1) to charging operation including at least initial charging in a state where a pressure is applied to a flat surface of the battery element from the outside of the exterior member (5).

Abstract: A lithium battery including a positive electrode, a negative electrode containing lithium, and a non-aqueous electrolyte having lithium ion conductivity. The positive electrode includes at least one of a manganese oxide and a fluorinated graphite. A powdery or fibrous carbon material adheres to at least part of a surface of the negative electrode, the surface facing the positive electrode. The non-aqueous electrolyte includes a non-aqueous solvent, a solute, and an additive. The solute includes LiclO4, and the additive is LiBF4. The ratio of LiBF4 is, for example, 1 to 100 parts by mass, relative to 100 parts by mass of the solute.

Abstract: The present disclosure is directed to a system and method for controlling an energy storage device by more accurately detecting an end-of-discharge voltage of the energy storage device. More specifically, in one embodiment, the method includes determining an end-of-discharge voltage threshold for the energy storage device. Another step includes filtering the end-of-discharge voltage threshold via a filter. The method also includes adjusting a time constant of the filter based on at least one voltage-current condition. Still a further step includes comparing the filtered end-of-discharge voltage threshold and a terminal voltage of the energy storage device. Based on the comparison, the method includes determining a change of state of the energy storage device. Thus, the energy storage device can be controlled based on the change of state.

Abstract: Provided are battery packs and interface modules for electrically interconnecting electrochemical cells in the packs and for providing heat distribution with the packs. An interface module interfaces one side of all electrochemical cells in a battery pack. The interface module may have a substantially planar shape such that the space occupied by the module in the battery pack is minimal. Most, if not all, conductive components of the interface module may be formed from the same sheet of metal. In some embodiments, the interface module includes multiple bus bars such that each bus bar interconnects two or more terminals of different electrochemical cells in the battery pack. Each bus bar may have a separate voltage sense lead extending from the bus bar to a connecting portion. The bus bars may be flexibly supported within the module. The interface module may also include multiple thermistors disposed on different bus bars.

Abstract: Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals formed at one side of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case is configured to have a structure in which two outer surfaces of the module case are open outward to form a first open surface and a second open surface, the module cas

Abstract: A method for recovering sodium from a sodium-sulfur battery of the present invention includes a reaction step of injecting a treatment liquid toward the sodium housed in a sodium-housing portion in the battery container and causing the sodium to react with the treatment liquid so as to generate a reaction liquid; and a circulation step of generating the treatment liquid by adjusting the concentration and liquid temperature of the reaction liquid, and, in the reaction step, while the entire amount of the sodium is reacted with the treatment liquid, the treatment liquid is continuously injected toward the sodium.

Abstract: A battery pack assembly or enclosure comprises one or more batteries having an electrochemical cell and an enclosure having at least an outer wall configured to create a sealed volume of space substantially around the batteries. An atmosphere of the volume of space comprises gas having a thermal conductivity less than 0.018 watts per meter per degree Celsius. This atmosphere of gas provides an insulative layer between the outer wall of the enclosure and the batteries. With this insulative layer, the battery pack assembly can be subjected to autoclaving without damaging the batteries. The battery pack assembly can be used to power surgical tools or other devices that are subjected to autoclaving.

Abstract: A method and arrangement for at least partially supplying an electrical system of a ship having at least one battery, wherein a high-temperature battery is utilized to obtain a ratio of installed capacity to usable energy which is better than that provided by conventional system, where the waste heat is conducted out of the battery via a duct system using a first heat transfer medium, and where the waste heat is made available for further use outside the battery.

Abstract: Polarization-preserving microwave RF filters having multiple resonators that are each operable for different Q factors for setting overall bandwidth. A coaxial dual-polarized waveguide filter may include a cable having a hollow circular body with ends formed by copper plates that each includes at least one iris. The irises may control the energy transfer into and out of the cavity and therefore set the Q factor for the body. The shape of the internal diameter of the body and the irises may provide for reception and propagation of differently polarized signals. Multiple segments may be cascaded in series to effect higher order filtering. Also described are methods of transmitting signals using these filters.

Abstract: Aspects of the subject disclosure may include, for example, a transmission device that includes a transmitter that generates a first electromagnetic wave to convey data, the first electromagnetic wave having at least one carrier frequency and corresponding wavelength. A coupler couples the first electromagnetic wave to a transmission medium having at least one inner portion surrounded by a dielectric material, the dielectric material having an outer surface and a corresponding circumference, wherein the coupling of the first electromagnetic wave to the transmission medium forms a second electromagnetic wave that is guided to propagate along the outer surface of the dielectric material via at least one guided-wave mode that can include an asymmetric mode, wherein the at least one carrier frequency is within a microwave or millimeter-wave frequency band and wherein the at least one corresponding wavelength is less than the circumference of the transmission medium. Other embodiments are disclosed.

Abstract: Provided is a high-frequency wave feeding system capable of feeding microwaves with little loss and without addition of resistive noise, using a simple deployment mechanism. The system includes a first waveguide fixed to a first structure of a deployment structure and having a choke flange, and a second waveguide fixed to a second structure of the deployment structure and having a cover flange. When the deployment structure is in a deployed state, the choke flange and the cover flange face each other so that high-frequency waves are fed to the deployment structure via the first and second waveguides.

Abstract: A balun device for UHF signals includes two conductive connection pads, a printed conductive track and a conductive ground pattern that are formed on a dielectric base plate. The conductive connection pads are connectable respectively with a pair of first signal lines for a pair of differential signals. One of the conductive connection pads is further connectable with a second signal line for a single-ended signal. The printed conductive track interconnects electrically the conductive connection pads. The conductive ground pattern is surrounded by and spaced apart from the printed conductive track and the conductive connection pads.

Abstract: A directional coupler includes: a main line connecting an input port and an output port; first to third subline sections each of which is formed of a line configured to be electromagnetically coupled to the main line; a first matching section provided between the first subline section and the second subline section; and a second matching section provided between the second subline section and the third subline section. The first and second matching sections are configured to cause changes in phase of high frequency signals passing therethrough, and have mutually different characteristics so as to create two attenuation poles in the frequency response of the coupling of the directional coupler.

Abstract: A tilt indicator constructed from a flexible material allows the tilt indicator to bend without breaking when subjected to bending loads. The tilt indicator may take the form of an elongated rod with indicia imprinted thereon. The indicia may be indicative of the degree of tilt of an antenna to which the tilt indicator is attached.

Abstract: A carrier plate configured for mounting thereto of a plurality of communication units to form a phased array antenna; The carrier plate is integrally formed with a plurality of sockets, each of the sockets being adapted to receive therein at least one of the plurality of communication unit; The carrier plate is further integrally formed with one or more cooling channels extending along the carrier plate and associated with the sockets; The channels are configured for passage of a cooling fluid therethrough for cooling of the plurality of units during operation of the antenna.

Abstract: A satellite antenna is provided. The satellite antenna includes a first member, a second member and a connecting unit. A first opening is formed on the first member. A second opening is formed on the second member. The connecting unit fixes the first member to the second member. The connecting unit includes a connection post, an abutting element and a rotatable stopper. The connection post includes a first end and a second end. The abutting element pivots on the first end of the connection post. The rotatable stopper pivots on the second end of the connection post, wherein in a fixing state, the connection post passes through the first opening and the second opening, the abutting element pulls the rotatable stopper to tightly abut a first surface of the first member, and the first member is fixed to the second member.

Abstract: An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer. The display pixel layer may have an array of display pixels for displaying images for a user. A touch sensor layer may be interposed between the display pixel layer and the transparent display member. A ferromagnetic shielding layer may be mounted below the display pixel layer. A flexible printed circuit containing coils of metal signal lines that form a near-field communications loop antenna may be interposed between the ferromagnetic shielding layer and the display pixel layer. A non-near-field antenna such as an inverted-F antenna may have a resonating element mounted on an inner surface of the display cover layer. The resonating element may be interposed between the transparent display member and the display cover layer.

Abstract: An antenna module applied to an electronic device including a wireless communication controller and a body that includes an opening. The antenna module includes a first inductance component and a metal case. The first inductance component includes a first end and a second end, and the first end of the first inductance component is electrically connected to an end of the wireless communication controller. The metal case includes a first connection point and a second connection point. The first connection point is electrically connected to the second end of the first inductance component, and the second connection point is a preset distance away from the first connection point and electrically connected to the wireless communication controller.

Abstract: An apparatus comprising: a first feed point (26) coupled to a first conductive member (30), the first conductive member being coupled to a ground member (46) in at least two places, the first conductive member and ground member defining a first perimeter (50), wherein the first conductive member and at least a portion of the ground member are configured to resonate at least partially in a first operational frequency band; and a second feed point (28) coupled to a second conductive member (32), the second conductive member being disposed within the first perimeter, the second conductive member and at least a portion of the ground member defining a second perimeter (52) which is smaller than the first perimeter, and being configured to resonate in a second operational frequency band, different to the first operational frequency band.

Abstract: Embodiments of systems and methods for providing in-mold laminate antennas are generally described herein. Other embodiments may be described and claimed.

Abstract: A radiating system for transmitting and receiving signals in first and second frequency regions includes a radiating structure, a radiofrequency system, and an external port. The radiating structure has first and second isolated radiation boosters coupled to a ground plane layer. A first internal port of the radiating structure is between the first radiation booster and the ground plane layer, and a second internal port is between the second radiation booster and the ground plane layer. A distance between the two internal ports is less than 0.06 times a wavelength of the lowest frequency. The maximum size of the first and second radiation boosters is smaller than 1/30 times the wavelength of the lowest frequency. The radiofrequency system includes two ports connected respectively to the first and the second internal ports of the radiating structure, and a port connected to the external port of the radiating system.

Abstract: A wearable wireless electronic device to be worn on a wrist of a user includes a first conductive antenna element of an antenna that is electrically coupled to an antenna feed of the antenna and a second conductive antenna element of the antenna that is electrically coupled to a ground plane of the antenna. The first conductive antenna element and the second conductive antenna element are configured to be in contact with and/or in close proximity to a wrist of the user that is wearing the wearable first wireless electronic device.

Abstract: An automobile radar module and method include a PCB having a first side on which RF electronic components are mounted and a second side on which digital electronic components are mounted. An EMI shield is mounted over the first side of the PCB, and a radome is mounted over the EMI shield. The EMI shield comprises an aperture exposing RF components on the first side of the PCB. The radome comprises a protrusion which protrudes into the aperture in the EMI shield. The protrusion and sidewalls of the aperture define a shielded region above the RF components on the first side of the PCB. The sidewalls extend at an acute angle with respect to a plane of the primary surface of the EMI shield, the acute angle being selected based on operational parameters of the radar module such that a predetermined shielding performance is realized.

Abstract: An antenna structure for an electronic device includes a first portion, a number of radiating sections, and a number of branch sections. The first portion receives an electric current from a printed circuit board of the electronic device and couples the electric current to the number of radiating sections and the number of branch sections of the antenna structure.

Abstract: An electronic device may include thin antennas disposed proximate a rear or front surface. An antenna structure may be disposed at a portion of a first surface or a second surface of a non-metal structure within the device, and is electrically connected to the metal structure. The antenna structure may comprise: a first bonding layer attached to a portion of the first surface or the second surface, where an opening is formed in the first bonding layer at a location of the metal structure; a antenna element pattern arranged on the first bonding layer and electrically connected to the metal structure through the opening; a second bonding layer arranged on the antenna element pattern; and an insulation layer arranged on the second bonding layer.

Abstract: A radio frequency (RF) antenna that may include a hollow enclosure made of a conductive material; wherein a first portion of the hollow enclosure has a bow tie shaped slot; a conductor that is spaced apart from the slot, is positioned within a cavity defined by the hollow enclosure, and is electrically isolated from the hollow enclosure; a first port that is coupled to the conductor; and a dielectric element that is made of dielectric material that at least partially fills the cavity and the bow tie shaped slot; wherein the conductor is configured to perform at least one operation out of: (a) receive, via the cavity, received RF radiation and send a received RF signal to the first port; (b) receive, from the first port, a transmitted RF signal and radiating transmitted RF radiation via the cavity.

Abstract: Disclosed are an array antenna device based on a single RF chain and an implementation method thereof. The method includes: defining a modulation technique of a data stream of to be transmitted; defining an operating frequency and an implemented antenna structure parameter based on the defined modulation technique; randomly selecting a load combination by searching all load combinations implementable with respect to parasitic elements of an array antenna; evaluating power and a phase error for a basis pattern based on the modulation technique with respect to the selected load combination; and implementing the array antenna based on one or more selected load combinations according to evaluation results of the power and phase error for all load combinations.

Abstract: Similar to cell based electronics systems that employ a sea of small unit cells in large scale arrays, such as thin film display monitors or semiconductor memories, an antenna array employs micron to centimeter size antenna pixelate cells that are integrated to form the plate of an antenna. Each row and column of cells in the antenna array may be accessed by digital logic and the RF transmission/reception state of the switchable cell changed. Thus, the antenna plate can be reconfigured and its radiating plate reformed to a specific pattern as an element of a larger array of antennas in wafer scale form.

Abstract: An approach is provided for managing power consumption in mobile devices configured with a plurality of directional antenna elements and a radio frequency integrated circuit (RFIC). The RFIC is configured to select for use, by the mobile device, a first set of one or more directional antenna elements from the plurality of directional antenna elements based upon selection criteria that include at least one or more power consumption criteria and one or more of one or more performance criteria or one or more interference avoidance criteria.

Abstract: The present invention relates to a node in a wireless communication network. The node comprises an antenna arrangement which in turn comprises an array antenna. The array antenna comprises a first set of antenna elements forming a first antenna aperture, and a second set of antenna elements forming a second antenna aperture. The antenna arrangement further comprises a switching arrangement that is adapted to switch between a first mode of operation and a second mode of operation. In the first mode of operation, the first antenna aperture is arranged to generate a first antenna beam. In the second mode of operation, the first antenna aperture and the second antenna aperture are combined and arranged to generate a second antenna beam, the first antenna beam having a wider antenna beamwidth than the second antenna beam. The present invention also relates to a corresponding method.