Abstract: Described herein are battery modules comprising immersion-cooled prismatic battery cells and methods of fabricating thereof. A battery module comprises prismatic battery cells that are stacked along the primary module axis. The module also comprises top, bottom, and side covers and two end plates, collectively enclosing these battery cells. Each cover forms two fluid channels, both fluidically open to the prismatic battery cells. Furthermore, the module comprises bus bars that interconnect the cell terminals and protrude into the fluid channels formed by the top cover. One end plate comprises two fluid ports for connecting to a thermal management system. Each port is fluidically coupled to one fluid channel, formed by the top cover, and one fluid channel, formed by the bottom cover. The other end plate fluidically couples the two fluid channels, formed by the top cover, and, separately, the two fluid channels, formed by the bottom cover.

Abstract: Silicon materials suitable for use as an anode material and associated method of production are disclosed herein. In one embodiment, a silicon material includes crystalline silicon in a matrix and macro-scale pores distributed in the matrix of the crystalline silicon. The macro-scale pores can have a size greater than 100 nanometers, and surfaces of crystalline silicon in the macro-scale pores are coated with carbon.

Abstract: A negative electrode for a nonaqueous electrolyte with a negative electrode mixture layer that includes a first layer and a second layer. The first layer is formed on the negative electrode current collector and includes a negative electrode active material and a first binding agent. The negative electrode active material in the first layer includes a carbon material A and a Si-containing compound. The first binding agent includes polyacrylic acid or a salt thereof. The second layer is formed on the first layer and includes a negative electrode active material and a second binding agent. The negative electrode active material in the second layer includes a carbon material B. The carbon material B has a tap density higher than a tap density of the carbon material A. A packing density of the second layer is lower than a packing density of the first layer.

Abstract: A positive active material including a first particle and a second particle. The first particle has a chemical formula of LieCog M1-gO2-i, and the second particle has a chemical formula of LifCohN1-hO2-j. M is at least two selected from the group of Ni, Mn, Al, Mg, Ti, La, Y and Zr. N is at least one selected from a group of Ni, Mn, Al, Mg, Ti, La, Y and Zr, and 0.8?e?1.2, 0<g<1, ?0.1?i?0.2, 0.85?f?1.2, 0<h<1, ?0.1?j?0.2, the number of types of the element M in the first particle is greater than the number of types of the element N in the second particles, the particle diameter of the positive active material meets the following formula (3):(Dv90-Dv50)?(Dv50-Dv10)?2.5.

Abstract: Layered electrode materials, positive electrodes, rechargeable zinc batteries, and methods are provided. A layered electrode material for use in a rechargeable zinc battery includes a plurality of active metal slab layers in a layered configuration. The active metal slab layer includes a plurality of redox active metal centers and a closely-packed anionic sublattice. A plurality of interlamellar spaces separate adjacent active metal slab layers in the layered configuration. The interlamellar space includes at least one pillar species. The layered electrode material has a combined average metal oxidation state in a range of +3 to +4 in an initial charged state. The layered electrode material accepts solvated zinc cations via intercalation into the interlamellar space upon reduction.

Abstract: A lithium-ion rechargeable battery negative electrode active material and a preparation method thereof, a lithium-ion rechargeable battery negative electrode plate, and a lithium-ion rechargeable battery are disclosed. The negative electrode active material includes a carbon core and a coating layer formed on a surface of the carbon core, a material of the coating layer includes amorphous carbon and a doping element, and the doping element includes element nitrogen. The lithium-ion rechargeable battery negative electrode active material has the carbon core, and the coating layer that includes the doping element and the amorphous carbon is provided on the surface of the carbon core.

Abstract: Disclosed is a composition suitable for use as an anode in a lithium ion rechargeable batter. The composition includes milled silicon powder particles and superconducting carbon particles. A carbon coat covers the surface of each milled silicon particle and encapsulates a plurality of superconducting carbon particles. Also, disclosed is a method of preparing the disclosed composition.

Abstract: A method of preparing a positive electrode active material precursor for a secondary battery includes preparing a positive electrode active material precursor by a co-precipitation reaction while adding a transition metal-containing solution containing transition metal cations, a basic solution, and an ammonium solution to a batch-type reactor, wherein a molar ratio of ammonium ions contained in the ammonium solution to the transition metal cations contained in the transition metal-containing solution added to the batch-type reactor is 0.5 or less, and a pH in the batch-type reactor is maintained at 11.2 or less.

Abstract: A method of manufacturing a positive electrode active material for a lithium-ion secondary battery includes a water-washing step of washing a lithium-nickel composite oxide containing Li, Ni, and an element M with water, and conducting a filtration to form a washed-cake, a mixing step of mixing, while heating, the washed-cake and a tungsten compound without lithium while heating to obtain a tungsten mixture, and a heat treatment step of heat-treating the tungsten mixture, wherein a water content of the washed-cake is 3.0% by mass or more and 10.0% by mass or less, a ratio of a number of tungsten atoms contained in the tungsten mixture to a total number of nickel and the element M atoms contained in the lithium-nickel composite oxide is 0.05 at. % or more and 3.00 at. % or less, and a temperature of the mixing step is 30° C. or higher and 70° C. or lower.

Abstract: The present invention relates to a lithium composite oxide having improved stability and electrical characteristics as a positive electrode material by inhibiting an interfacial side reaction in the lithium composite oxide and improving the stability of a crystal structure and ion conductivity, and a lithium secondary battery including the same.

Abstract: The present application relates to lithium iron phosphate, a preparation method therefor, and a lithium-ion battery. The preparation method includes: sintering dry materials of an iron source, a lithium source, a phosphorus source, and a reductive carbon source to obtain lithium iron phosphate, wherein the sintering atmosphere includes a mild oxidizing gas, the mild oxidizing gas includes carbon dioxide, and the sintering temperature is 800-900° C.

Abstract: The invention belongs to the technical field of material synthesis, and discloses a nitrogen-doped hollow cobaltosic oxide and a preparation method and application thereof. A chemical formula of the nitrogen-doped hollow cobaltosic oxide is Co3O4—COF-T-D@C—N; and the COF-T-D is a covalent organic framework. Due to an open hollow structure, the nitrogen-doped hollow cobaltosic oxide of the invention has a large specific surface area, thus having a large contact area with an electrolyte, which is convenient for lithium ions to transport therein. The open hollow structure also prevents a volume effect from being generated during charging and discharging, and nitrogen is introduced for doping, so that granules can be gradually activated to increase the specific surface area and active sites, a discharge (cycle) stability of the material is improved, and a rate performance of the material is improved.

Abstract: A sulfur-carbon composite including a porous carbon material including interior and exterior surfaces coated with a polymer including an ion conductive functional group and an electron conductive functional group; and sulfur present on at least a portion of inside pores and on a surface of the porous carbon material.

Abstract: A secondary battery includes: a solid electrolyte layer which contains a tantalum oxide as a solid electrolyte; a positive-electrode active material layer which is disposed on an upper surface of the solid electrolyte layer and contains a nickel hydroxide (Ni(OH)2) as a positive-electrode active material; and a negative-electrode active material layer disposed on a lower surface of the solid electrolyte layer so as to be opposite to the positive-electrode active material layer and containing a titanium oxide (TiOx) or a titanium oxide (TiOx) and a silicon oxide (SiOx) as a negative-electrode active material. There is provided a secondary battery capable of improving electricity storage performance by improving a self-discharge.

Abstract: Electrodeposited copper foils are described having improved thermal properties. The copper foils include a drum side and deposited side where both sides have a roughness Rz lower than 2 ?m and wherein, when the electrodeposited copper foil is subjected to a thermal gravimetric analysis (TGA), the electrodeposited copper foil exhibits a primary weight increase of 105 wt. % when a primary temperature (T105 wt %) is reached during the TGA, wherein the T105 wt % is in a range of 350° C. to 501° C. The TGA characterization comprises heating at a rate of 5° C./min and an air flow at a rate of 95 mL/min. Ultrasonic welding of the copper foils to nickel foils provides an excellent weld with low detachment providing a good mechanical and electrical contact for applications such as in lithium-ion secondary batteries.

Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first battery cell. The first battery cell may include an anode current collector, and an anode active material disposed on the anode current collector. The first battery cell may include a cathode current collector and a cathode active material disposed on the cathode current collector. The current collectors may be polymeric materials. The batteries may include a first conductive band electrically coupled with the first battery cell. The first conductive band may be seated on the second surface of one of the anode current collector or the cathode current collector. The first conductive band may extend about a perimeter of the one of the anode current collector or the cathode current collector. The batteries may include a cell module including a first flexible extension electrically coupled with the first conductive band.

Abstract: A foil-like functional material (1) providing a predefined function and may be used for targeted physical, chemical, physicochemical, biological, technical and technological purposes, and in which is arranged a support medium (2), which comprises a total support volume, has a cross-sectional extent (7) of ?100 ?m, like a matrix, and is formed from linear support elements (3a) and node-like support elements (3b), which form the substance components of the support medium (2) and pass through the total support volume to form a strip-like extent with interconnected partial volumes (5), situated therein and spanned by support elements (3) close by. The support elements (3) are sheathed with a first functional substance (4) which provides a first function. The remaining volume of the total support volume is filled with one second functional substance (6) which differs from the first function.

Abstract: In the manufacture of pasted current collectors for bipolar batteries, a method of making pasted substrates includes several steps. The substrates can be a plastic sheet, an embedded plastic mesh, a metal mesh, an absorbent glass mat (AGM), or some other material. One step involves applying paste material to an elongate strip of substrate material. Another step involves cutting the elongate strip of substrate material into multiple individual substrates. Further steps can involve punching via a rotary punch, crush cutting, ultrasonic cutting, concealing lateral sections via folding, and/or using one or more mask overlays.

Abstract: A manufacturing process includes: depositing a catalyst support on a gas diffusion layer to form a catalyst support-coated gas diffusion layer; depositing a catalyst on the catalyst support-coated gas diffusion layer to form a catalyst-coated gas diffusion layer; and depositing an ionomer on the catalyst-coated gas diffusion layer to form an ionomer-coated gas diffusion layer. A membrane electrode assembly for a fuel cell includes: a gas diffusion layer; a polymer electrolyte membrane; and a catalyst layer disposed between the gas diffusion layer and the polymer electrolyte membrane, wherein the catalyst layer includes an ionomer, and a concentration of the ionomer varies within the catalyst layer according to a concentration profile.

Abstract: A battery module includes a row of battery cells arranged parallel to each other, aligned along a longitudinal axis, and arranged at a distance from each other so that adjacent battery cells define a gap allowing a temperature control fluid to pass therethrough. A holding device includes a main body, a plurality of spacers and retaining means. Each spacer includes a mounting foot and a separator plate integrally formed with the mounting foot. The separator plate is arranged in the gap and configured to separate a first pass and a second pass of the temperature control fluid. The mounting feet are slidably mounted parallel to the longitudinal axis, defining a sliding connection. The retaining means includes axial clamping means which axially compresses an axial stop of the retaining means against a battery cell located at an axial end of the row of battery cells.

Abstract: Gas-engine replacement devices described herein include a housing that includes battery receptacle configured to removably receive a battery pack, a motor located within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of the housing, a power switching network configured to selectively provide power from the battery pack to the motor, and an electronic processor. The electronic processor is coupled to the power switching network and configured to receive a current measurement associated with the motor and control the power switching network according to one of a freewheeling mode or a synchronous rectification mode based on the current measurement.

Abstract: Embodiments of the present application provide a battery, a power consumption apparatus, a method and apparatus for producing a battery. The battery includes: a battery cell including a pressure relief mechanism disposed on a first wall; and a thermal management component, a first surface of the thermal management component being attached to the first wall, and the thermal management component being provided with a pressure relief zone; where the first wall is provided with a first restraint member, the thermal management component is provided with a second restraint member, and the first restraint member and the second restraint member are arranged to be mated, so that the pressure relief mechanism is arranged opposite to the pressure relief zone. A battery, a power consumption apparatus, a method and apparatus for producing a battery of the present application could enhance safety of the battery.

Abstract: A separator for an electrochemical device is provided. The separator includes a porous polymer substrate, and an electrode adhesive layer formed on at least one surface of the porous polymer substrate, wherein the electrode adhesive layer includes a binder polymer and has at least two electrode adhesive layer units including at least two lines extending from a long side to a short side of the separator, and the units do not cross each other. Herein, a unit merely formed by lines extending from one long side to the other long side of the separator, or a unit merely formed by lines extending from one short side to the other short side of the separator is not included. The separator is effective for reducing a time required for impregnation of an electrode with an electrolyte, while providing excellent electrode-separator adhesion.

Abstract: A battery pack includes a plurality of battery modules, and each battery module includes: a plurality of battery cells mutually laminated in a first direction and forming a laminated structure; a pair of end plates, each end plate of the pair of end plates being in surface contact with a first and a second ends of the laminated structure, respectively, in the first direction; and a pair of busbar assemblies. In particular, each bus bar assembly of the pair of bus bar assemblies is disposed at the first end and the second end of the laminated structure, respectively, in a second direction perpendicular to the first direction.

Abstract: The battery pack includes a casing, at least two battery cells, and a system including a cartridge in which the battery cell is received and a lead jig, wherein the cartridge is configured to be opened and closed to attach/detach the battery cell, and the lead jig is configured to be mounted/demounted on/from a lead of the battery cell, and when the battery cell is received in the cartridge and stacked in a thickness direction and the lead jig is mounted on the lead of the battery cell, an electrical connection is established between the battery cells without welding the leads of the battery cells.

Abstract: A battery pack includes a housing, a cell assembly, a cell support member, a first sensor, and a second sensor. The cell assembly is disposed in the housing; and the cell support member is at least configured to support the cell assembly. The cell assembly includes a plurality of cells which are sheet-shaped, the plurality of cells are stacked, and a cell among the plurality of cells includes an encapsulation member configured to encapsulate the cell and a tab disposed at at least one end of the cell assembly and protruding from the cell. The first sensor is configured to detect a temperature of the cell and is disposed on a side of the tab facing towards the cell support member. The second sensor is configured to detect a parameter related to leakage of the cell and is disposed in the cell assembly.

Abstract: A lithium primary battery including a current collecting wire that electrically connects an electrode body and a sealing body or a battery can, in which the electrode body includes a positive electrode, a negative electrode, and a separator, the negative electrode includes at least one selected from the group consisting of metal lithium and a lithium alloy, the current collecting wire includes a first lead connected to one of the positive electrode and the negative electrode, a second lead connected to the sealing body or the battery can, and an overdischarge suppressing element interposed between the first lead and the second lead, the overdischarge suppressing element includes a first metal layer connected to the first lead, with the first metal layer being thinner than the first lead, a second metal layer connected to the second lead, with the second metal layer being thinner than the second lead, and a conductive layer interposed between the first metal layer and the second metal layer disposed to face ea

Abstract: A battery for an implantable medical device (IMD) configured to support a relatively high rate of energy discharge relative to its capacity to support energy intensive therapy delivery, such as high energy anti-tachyarrhythmia shocks, by the IMD. The battery includes a first electrode, a second electrode separated a distance from the first electrode, an electrolyte disposed between the first electrode and the second electrode. The electrolyte includes a lithium salt including LiAsF6, an organic solvent, and an electrolyte additive that includes vinylene carbonate.

Abstract: An interconnector for a stack of solid oxide cells of the SOEC/SOFC type, intended to be arranged between two adjacent electrochemical cells, which includes a flat face whereon at least one first group of identical first elements in relief and a second group of identical second elements in relief are formed, the first elements in relief having different geometric features with respect to the second elements in relief, the height of each first element in relief being different from the height of each second element in relief, the contact width of each first element in relief being different from the contact width of each second element in relief.

Abstract: A method is provided for operating a propulsion system having a gas turbine engine and a fuel cell assembly. The fuel cell assembly includes a fuel cell. The method includes: receiving gas composition data of output products from the fuel cell; and controlling operation of the fuel cell assembly, the gas turbine engine, or both in response to the received gas composition data of the output products from the fuel cell.

Abstract: The invention relates to a valve (10) for regulating oxygen in a fuel cell system (11), comprising: —a valve housing (12), which has a valve seat (13) and a through-opening (14) in the valve seat (13); —a valve shaft (15), which has a valve disk (16) formed thereon for closing the through-opening (14) in the valve seat (13) in a closed state of the valve (10) and for releasing the through-opening (14) in a released state of the valve (10); and—a moving means (17) for linearly moving the valve disk (16) between an opening position in an open state, in which open state the valve disk (16) is spaced apart from the valve seat (13), and a closing position in the closed state, in which closed state the valve disk (16) is positioned on the valve seat (13), and for rotationally moving the valve shaft (15) in order to pivot the valve disk (16) between the opening position and a releasing position in the released state, in which released state at least part of the valve disk (16) is spaced farther apart from the valve

Abstract: A modular device for generating hydrogen gas from a hydrogen liquid carrier may include a housing; an inlet for receiving the hydrogen liquid carrier; and at least one cartridge arranged within the housing. The cartridge may include at least one catalyst configured to cause a release of hydrogen gas when exposed to the hydrogen liquid carrier. The modular device may include a gas outlet for expelling the hydrogen gas released in the modular device and a liquid outlet for expelling spent hydrogen liquid carrier.

Abstract: A polarizer for a waveguide, comprising a main body for transmitting an electromagnetic wave, a first delay member being provided in the main body. A second delay member arranged downstream of the first delay member in the working direction (A) of the electromagnetic wave is provided in the main body, and the polarization axis (P2) of the second delay member is rotated relative to the polarization axis (P1) of the first delay member by a delay angle (?).

Abstract: The invention concerns a locking mechanism (10) configured to switch from a locked state to an unlocked state, comprising: a. a processor (11) configured to read an identification code of an identification key (13) and configured to cause the locking mechanism (10) to switch from the locked state to the unlocked state if the identification code of the identification key (13) is an authorized code of the locking mechanism (10), b. a printed circuit board (14) in a first plane comprising an aperture (15) configured to accept insertion of the identification key (13) according to a first axis (Y) secant to the printed circuit board (14), the identification key (13) comprising a NFC passive part (16), c.

Abstract: Suggested is a combo antenna module configured to implement the same antenna performance as that of a combo antenna module having a general size, even in a state in which the size thereof is reduced by adjusting, within a set range, a distance at which magnetic sheets disposed on the top and the bottom of an antenna sheet are spaced apart. The suggested combo antenna module comprises: an antenna sheet; a top magnetic sheet disposed on the upper surface of the antenna sheet; and a bottom magnetic sheet disposed on the lower surface of the antenna sheet, wherein the top magnetic sheet includes a projecting region which overlaps with the bottom magnetic sheet while having the antenna sheet therebetween, and the top magnetic sheet and the bottom magnetic sheet are spaced apart at a distance within a set range at a side portion of the projecting region.

Abstract: A tool is provided with a connector that can be configured to removably receive a corresponding connector of an extender having an antenna to electrically connect the extender to the tool. With the connector of the tool electrically connected to the connector of the extender, the controller can be configured to utilize the antenna.

Abstract: An electronic device is provided. The electronic device includes a first part, a second part, a connection part disposed and coupled to the first part and the second part such that the first part and the second part are rotatable, a first antenna module disposed in the first part and includes an antenna array, a second antenna module disposed in the second part and includes an antenna array, a processor disposed in the first part, an IFIC disposed in the first part and electrically connected to the first antenna module and the processor, a second IFIC disposed in the second part and electrically connected to the second antenna module and the processor and an FPCB disposed over the first part, the connection part, and the second part, and is configured to transfer a digital signal or a baseband I/Q signal between the processor and the second IFIC.

Abstract: Disclosed are an antenna assembly, a vehicle comprising the antenna assembly, and a method for installing the antenna assembly. The present disclosure relates to an antenna assembly installed on a vehicle. The antenna assembly may comprise: an antenna unit which is installed on one surface of a plate of a vehicle; a hinge unit which has one end connected to the antenna unit, penetrates the plate, and comprises a hinge structure; and a communication device which is connected to another end of the hinge unit.

Abstract: Base station antennas, and components for base station antennas, such as reflectors, feeder components, frames, and column components. A base station antenna may include a reflector; a first radiator located at the front side of the reflector; mutually parallel first and second ground plates extending backward from the reflector and basically perpendicular to the reflector; and a first conductor strip extending between the first and second ground plates and configured to feed power to the first radiator. The first conductor strip and the first and second ground plates may be configured as a first stripline transmission line. The reflector and the first and second ground plates may be configured as one piece so that the reflector is grounded via the first and second ground plates without soldering.

Abstract: An antenna device and a method for manufacturing the same are provided. The antenna device includes a carrier, an antenna portion, a first portion and a second portion. The antenna portion is located on the carrier. The first portion is located on the carrier. The second portion is located on the carrier and is configured for blocking a material from entering the antenna area, wherein the material covers a lateral surface of the carrier.

Abstract: Systems and methods are described to create radio daisy chains for convenient and aesthetically pleasing high-density radio deployments.

Abstract: An electronic device includes a decoupling member, a first radiator, a second radiator, a first feed unit, a second feed unit, and a rear cover. A gap is formed between the first radiator and the second radiator, the decoupling member is indirectly coupled to the first radiator and the second radiator, and the decoupling member is disposed on a surface of the rear cover. The decoupling member does not overlap a first projection, and the first projection is a projection of the first radiator in a first direction. The decoupling member does not overlap a second projection, and the second projection is a projection of the second radiator in the first direction. The first direction is a direction perpendicular to a plane on which the rear cover is located.

Abstract: Inhomogeneous dielectric lenses for electromagnetic waves can be produced by a process such as 3D printing to have controllable dielectric values. Dielectric values can be produced by a varying density of air voids within, for example, a dielectric matrix to obtain an effective overall density. Approaches in accordance with various embodiments can obtain uniform, isotropic dielectric properties without resonant behavior by the use of aperiodic distributions of nonuniformly-sized air voids. Target air fraction and distribution of air voids can be specified by a target dielectric constant through dielectric mixing rules, such as Maxwell-Garnet mixing rules, and a requirement for locally uniform distributions of air voids, while varying the density of the air voids across the overall structure to produce a desired gradient of dielectric properties.

Abstract: An antenna includes a radiating element on a forward-facing surface of an underlying reflector, and a multi-element planar broadband lens in front of and within a radio frequency (RF) transmission path of the radiating element. The broadband lens includes first lens elements having first RF characteristics and second lens elements having second RF characteristics, which are different from the first RF characteristics. The first lens elements are arranged as a plurality of the first lens elements, which are encircled by an array of the second lens elements. Each of the first lens elements includes a first LC circuit, and each of the second LC circuits includes a second LC circuit with a smaller inductance relative to the first LC circuit.

Abstract: The present disclosure relates to an antenna element comprising a lower conducting plane, an upper conducting plane and an upper dielectric layer structure that is positioned between the conducting planes. The upper dielectric layer structure comprises a plurality of conducting vias that electrically connect the conducting planes to each other and circumvent an upper radiating patch formed in, below or above the upper conducting plane. The conducting vias circumvent at least one intermediate radiating patch that is formed in the upper dielectric layer structure, and a lowest intermediate radiating patch that is closest to the lower conducting plane is connected to a feed arrangement that comprises at least one feeding probe that extends via a corresponding aperture in the lower conducting plane and is electrically connected to the lowest intermediate radiating patch.

Abstract: An antenna apparatus includes a first component layer having a plurality of RFICs arranged in a first lattice geometry (e.g., rectangular), where each RFIC comprises beamforming circuitry. A second, parallel component layer overlays the first component layer and includes a plurality of antenna elements arranged in a second, different lattice geometry (e.g., triangular). The antenna elements have respective feed points each coupled to an input/output (I/O) pad of an RFIC. Each I/O pad is aligned with the feed point coupled thereto along an axis orthogonal to the first and second layers.

Abstract: A wireless communication device having a full-duplex architecture is described, the device comprising phase shifters integrated into transmitting chains and receiving chains, respectively, which are connected to basic antennae. Each transmitting/receiving chain is associated with a receiving/transmitting chain so as to form a pair of chains, with a connection circuit arranged between the chains of each pair. The device also includes at least one control module configured to control switching means and to activate/deactivate analogue means and digital means for cancelling interference and all or some of the transmitting/receiving chains so that the device is able to alternate between at least two different modes: a first full-duplex transmitting/receiving mode, and a second mode in which the device is able to reflect one or more transmission beams.

Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including a rotation unit configured to rotate an antenna in a horizontal direction, a tilting unit configured to rotate the antenna in a vertical direction, and a rotation/vibration prevention unit configured to adjust a direction of the antenna by rotating at least one of the rotation unit and the tilting unit and prevent the antenna from arbitrarily rotating after the direction of the antenna is adjusted, in which the rotation/vibration prevention unit includes a rotation motor, a worm gear configured to be rotated by the rotation motor, a shaft configured to define at least one rotation center, and a worm wheel gear installed on an outer peripheral surface of the shaft and configured to rotate at least one of the rotation unit and the tilting unit while being rotated by the worm gear, thereby easily adjusting the direction of the antenna by controlling the rotation motor and preventing the antenna with the adjuste

Abstract: Systems, methods, and non-transitory media are provided for cross-coupling modeling and compensation.

Abstract: A device includes a plurality of antennas, including one or more active antennas, the antennas being configured in one of a plurality of possible configurations to achieve operation in WAN, LTE, WiFi, or WiMax bands, or a combination thereof. In some embodiments, a passive antenna is utilized with lumped loading to fix the antenna tuning state. A primary and auxiliary radiator can be included in the device and configured for WAN/LTE bands, while additional antennas can be incorporated for WiFi and WiMax bands. Various antenna configurations incorporate the antenna having multiple coupled regions.