Abstract: Disclosed is a fuel cell stack which is able to prevent corrosion from occurring in a separator. The fuel cell stack formed by arranging a terminal on both ends of a cell stacked body in which a plurality of cells including a membrane electrode assembly and separators interposing the membrane electrode assembly therebetween is stacked, includes a rust preventive plate which is arranged between a metal separator and a positive electrode terminal on a high potential side of the cell stacked body, and includes a material more noble than that of the separator in the surface.

Abstract: The composition ratio of a titanium hydride [ITi—H/(ITi+ITi—H)]×100 found from the maximum intensity of metal titanium (ITi) and the maximum intensity of the titanium hydride (ITi—H) of the X-ray diffraction peaks measured at a surface of a titanium or a titanium alloy at an incident angle to the surface of 0.3° is 55% or more, a titanium oxide film is formed on an outermost surface of the titanium or the titanium alloy, and C is at 10 atomic % or less, N is at 1 atomic % or less, and B is at 1 atomic % or less in a position where the surface has been subjected to sputtering of 5 nm with argon. The titanium oxide film is formed by performing stabilization treatment after performing passivation treatment in prescribed aqueous solutions, and has a thickness of 3 to 10 nm.

Abstract: A flow battery includes a cell, a bipolar plate which is in contact with one of a positive electrode and a negative electrode constituting the cell, a current collector plate which has a terminal portion that is led out to the outside of the cell and is electrically connected to the bipolar plate, and a supply/discharge plate which is stacked on the current collector plate and supplies and discharges electrolytes to and from the cell. When the side of the supply/discharge plate facing the current collector plate is regarded as a front surface and the side opposite thereto is regarded as a back surface, the supply/discharge plate has an insertion hole which passes between the front surface and the back surface thereof and into which the terminal portion is inserted, and the terminal portion passes through the insertion hole and extends from the front surface side to the back surface side of the supply/discharge plate to be led out.

Abstract: A fuel cell system includes: a fuel cell that includes a membrane electrode assembly clipping an electrolyte membrane with an anode and a cathode; a fuel gas supplier that supplies an anode gas to the anode via an anode gas supply passage in accordance with a power generation request for the fuel cell; a circulation pump that circulates an exhaust gas discharged from the anode to the anode gas supply passage; a judger that judges whether any one of a temperature of the circulation pump and a temperature associated with the temperature of the circulation pump is equal to or less than a prescribed temperature; and a drive controller that drives the circulation pump at a prescribed rotation number when the judger judges that any one of the temperatures is equal to or less than the prescribed temperature, and there is no power generation request for the fuel cell.

Abstract: One aspect of the present disclosure is directed to a fuel cell power system. The system may include one or more fuel cells configured to generate electric power and a compressor configured to supply compressed air to the one or more fuel cells. The system may further include one or more sensors. The sensors may be configured to generate a signal indicative of at least one measured parameter of air flow across the one or more fuel cells. The system may also include a controller in communication with the one or more fuel cells, the compressor, and the sensors. The controller may be configured to determine a desired pressure drop based on at least one calculated parameter, determine a control command for the compressor based on the desired pressure drop, and adjust the control command based on a feedback gain parameter and a feed forward gain parameter.

Abstract: Systems and methods are provided for regulating fuel cell backpressure or humidity in conjunction with a flow control assembly that recovers energy resulting from the regulation. An exemplary vehicle system includes a fuel cell stack, a flow control valve to regulate a fluid flow exiting the fuel cell stack, and a flow control assembly parallel to the flow control valve to generate electrical energy in response to a bypass portion of the fluid flow that bypasses the flow control valve based on an orientation of the flow control valve with respect to the fluid flow.

Abstract: In order to provide a fuel cell system that inhibits the occurrence of degradation of an MEA while also inhibiting an increase in the CPU load.

Abstract: Provided is a fuel cell capable of maintaining an interface pressure in good condition between a membrane electrode assembly and separators, and preventing an increase in contact resistance. A fuel cell is disclosed including: a membrane electrode assembly provided with a frame at a periphery thereof; two separators holding both the frame and the membrane electrode assembly therebetween; and a gas seal provided between an edge portion of the frame and an edge portion of each separator to have a configuration in which a reactant gas passes through the frame and the membrane electrode assembly and the separators, wherein the frame and the separators are not in contact with and separated from each other in a region between the membrane electrode assembly and the gas seal.

Abstract: A fuel cell comprises an anode, a cathode, and a solid electrolyte layer. The solid electrolyte layer includes a first region disposed on the anode and a second region disposed between the first region and the cathode. The ratio of the ceria-based material in the first region is less than or equal to 0.5%. The ratio of the tetragonal crystal zirconia in the first region is greater than or equal to 3.0%. The atomic weight ratio of nickel to zirconia in the first region is less than or equal to 3.0 at %. The ratio of the ceria-based material in the second region is greater than or equal to 1.0%. The ratio of the tetragonal crystal zirconia in the second region is less than or equal to 0.1%.

Abstract: There is a need to improve the positioning accuracy in stacking gas separators. A guide section 58 provided in a fuel cell manufacturing apparatus 50 has first and second guide members 52 arranged to be parallel to each other and away from each other in a horizontal direction and extended in a stacking direction of the gas separators. The gas separator has first and second engagement elements 28 provided at corresponding positions to the first and the second guide members 52 to have a concave and/or convex shape formed along its outer periphery. A manufacturing method of a fuel cell includes a stacking step of stacking a plurality of members including gas separators by engaging the first engagement element with the first guide member and engaging the second engagement element with the second guide member.

Abstract: An end plate for a fuel cell is provided in which a main block is configured to form a body and support a fuel cell at a predetermined pressure and a subplate is configured to include a material having reducibility higher than that of the main block and to adhere to one side of the main block. Additionally, an insulating part encloses the main block and the subplate.

Abstract: A second end plate constituting a fuel cell stack is provided with a cooling medium supply manifold member and a cooling medium discharge manifold member. The second end plate is also provided with a mount member that affixes the fuel cell stack to an automobile body frame and covers the cooling medium discharge manifold member.

Abstract: Provided is a method of manufacturing an electrode assembly by using a magazine. The method includes manufacturing radical units in which electrodes and separators are alternately stacked (operation S10), loading and aligning the radical units in an aligning magazine for accommodating the radical units (operation S20), inspecting a dimension of the radical units aligned in operation S20 (operation S30), and transferring radical units considered to have a normal dimension in operation S30, to a stacking magazine to align and stack the radical units, thereby forming an electrode assembly (operation S40).

Abstract: A method and apparatus for the production of wound elements. The method comprising: providing a plurality of first electrical web elements; disposing at least one of the first electrical web elements upon a conveying element, wherein a first or second face of the disposed first electrical web elements is disposed in a face to face relationship with the conveying element; providing a plurality of second electrical web elements; disposing at least one of the second electrical web elements upon the conveying element at a predetermined spacing from the disposed first electrical web elements and in a face to face relationship with the conveying element, wherein the predetermined spacing is at least as long as the length of the first electrical web element; and disposing an electrically insulating separator web element in a face to face relationship with the disposed electrical web elements.

Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? line; and when a diffraction intensity at the peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.

Abstract: [Problem to be Solved] An object is to provide a solid electrolyte which is improved in relative density while having favorable lithium-ion conductivity and which can be preferably employed in a lithium-air battery and the like, and a method of manufacturing the same. [Solution] In a solid electrolyte satisfying formula (I): Li1+XM1XM2YTi2?X?Y(PO4)3??(I) (in formula (I), M1 is one or more elements selected from the group consisting of Al3+, Cu3+, Co3+, Fe3+, Ni3+, Ga3+, Cr3+, and Sc3+, M2 is one or more elements selected from the group consisting of Si4+, Ge4+, Sn4+, Hf4+, and Zr4+, and X and Y are real numbers satisfying X+Y?1), the solid electrolyte has a NASICON-type crystal structure, and lattice constants of the NASICON-type crystal structure are such that a length along an a-axis is 0.8 nm or more and a length along a c-axis is 2.8 nm or less.

Abstract: An ion conductive glass ceramics having the formula Na2S—P2S5, wherein the Na2S in the ion conductive glass ceramics is contained in an amount of from 70 to 75 mole %, and wherein the ion conductive glass ceramics has a state where crystal parts are dispersed in the glass ingredient of an amorphous state and where the crystal parts contain tetragonal Na3PS4.

Abstract: A composition including: (i) a lithium salt of imidazole compound of formula (I): wherein Rf is a fluorinated alkyl group having 1 to 5 carbon atoms, or a fluorine atom; and (ii) at least one cation selected from the group A including sodium, potassium, calcium, iron, magnesium, manganese, strontium, vanadium, ammonium, silver, aluminium, arsenic, barium, silicon, cadmium, cobalt, chromium, copper, nickel, lead, antimony, selenium, tin, strontium and titanium; and (iii) at least one anion chosen from the group B including fluoride, chloride, nitrate, sulphate, phosphate, trifluoroacetate, pentafluoroacetate and the anion of formula (II), with all the cation(s) and anion(s) being more than 0 wt % and at most 1 wt % of the composition. Also, the preparation of the composition as well as to the use of the composition as a battery electrolyte.

Abstract: A cell cathode compartment comprises a granule bed comprising metal granules, metal halide granules, and sodium halide granules, a separator adjacent to the granule bed, a liquid electrolyte dispersed in the granule bed, and a porous absorbent disposed in the granule bed, wherein a transverse cross-sectional distribution of the porous absorbent in the granule bed varies in a longitudinal direction from a first position to a second position. In another embodiment, a cell cathode compartment comprises a granule bed comprising metal granules, metal halide granules, and sodium halide granules, a separator adjacent to the granule bed, a liquid electrolyte dispersed in the granule bed, and a porous absorbent coating on a surface adjacent to the granule bed.

Abstract: The invention relates to a biaxially oriented, single or multilayer porous film comprising at least one porous layer, said layer containing at least one propylene polymer, wherein (i) the porosity of the porous film is 30% to 80%, and (ii) the permeability of the porous film is <1000 s (Gurley value). The invention is characterized in that (iii) the porous film is provided with a partially inorganic, preferably ceramic lamination, and (iv) in that the laminated porous film has a Gurley value of <1200 s. The invention further relates to a method for producing such a film, and to the use thereof in high-energy or high-performance systems, in particular in lithium batteries, lithium ion batteries, lithium polymer batteries, and alkaline earth batteries.

Abstract: A rechargeable battery whose ohmic resistance is modulated according to temperature is disclosed.

Abstract: A battery module for receiving battery cells provides cooling through a cooling fluid. Chilled fluid travels first to the hottest part of the battery module and then continues to gradually less hot areas. As the chilled cooling fluid absorbs heat and travels to cooler parts of the battery module, the heat transfer between the fluid and the battery cells decreases because the temperature differential between the cells and cooling fluid decreases, providing a more even temperature distribution across the battery module. The cooling fluid may be contained in a conduit associated with one or more cooling plates. A plurality of slots provide a precise mechanical support for each battery cell, increasing the heat conduction from the cell to the battery module, protecting the battery module from vibration and decreasing contamination in case of thermal runaway or other damage to the cells.

Abstract: A metal air battery includes: a battery module comprising a metal air cell configured to use oxygen as a positive electrode active material; an air channel unit including a fluid tube extending from a side of a cathode layer of the metal air cell to a side of a metal anode layer of the metal air cell; and an air supply unit configured to supply air to the air channel unit, wherein the fluid tube is configured to direct air from the side of the cathode layer of the metal air cell to the side of the metal anode layer of the metal air cell.

Abstract: The present invention provides improved non-contacting rotary joints for the transmission of electrical signals across an interface defined between two relatively-movable members. The improved non-contacting rotary joints broadly include: a signal source (A) operatively arranged to provide a high-speed digital data output signal; a controlled-impedance differential transmission line (C) having a source gap (D) and a termination gap (E); a power divider (B) operatively arranged to receive the high-speed digital data output signal from the signal source, and to supply it to the source gap of the controlled-impedance differential line; a near-field probe (G) arranged in spaced relation to the transmission line for receiving a signal transmitted across the interface; and receiving electronics (H) operatively arranged to receive the signal received by the probe; and wherein the rotary joint exhibits an ultra-wide bandwidth frequency response capability up to 40 GHz.

Abstract: [Problem] To provide a cross coupled band-pass filter that reduces a loss of a signal due to a dielectric loss and enables a resonance frequency to be easily changed. [Solution] A cross coupled band-pass filter of the present invention includes an input waveguide, an output waveguide, and three or more stages of resonators that connect the waveguides together, in which the three or more stages of resonators is formed using a filter element, one or multiple pairs of resonators of the three or more stages of resonators adjoin via a shared tube wall and include an opening in the shared tube wall, an antenna that connects the one or multiple pairs of resonators together in the opening, and one or more stages of unconnected resonators between the one or multiple pairs of resonators in a waveguide path of electromagnetic waves.

Abstract: A filter assembly in a multi-layer printed wiring board. One or more conductors is formed on an internal layer of a printed wiring board. Surrounding dielectric layers and ground layers form, together with the conductors of the internal layer, microstrip or stripline transmission lines and distributed element filters. The filter assembly may include a plurality of internal conductive layers, each sandwiched between dielectric layers and ground layers, and each internal layer may include a plurality of distributed element filters. Connections from each filter to the surface of the filter assembly are formed by vias, and connections from the surface of the filter assembly to a host board are formed by solder joints.

Abstract: The present disclosure relates to a tunable magnonic crystal device comprising a spin wave waveguide, a magnonic crystal structure in or on the spin wave waveguide, and a magneto-electric cell operably connected to the magnonic crystal structure. The magnonic crystal structure is adapted for selectively filtering a spin wave spectral component of a spin wave propagating through the spin wave waveguide so as to provide a filtered spin wave. The magneto-electric cell comprises an electrode for receiving a control voltage, and adjusting the control voltage controls a spectral parameter of the spectral component of the spin wave via an interaction, dependent on the control voltage, between the magneto-electric cell and a magnetic property of the magnonic crystal structure.

Abstract: In a non-reciprocal circuit element, electric power handling capability is improved, and leakage power between adjacent channels is reduced. In addition, balance is taken between reduction of noise between adjacent ports and an increase in insertion loss. A non-reciprocal circuit element includes a YIG ferrite (10) and a plurality of conductors (15) disposed on the YIG ferrite (10) and intersecting each other in an insulated state. A part of Y of the YIG ferrite (10) is substituted with at least any one element of Ho, Dy, and Gd, or a part of Fe of the YIG ferrite (10) is substituted with Co.

Abstract: A disclosed electrical cell enables experimental measurements of dielectric properties of an electrochromic material in the radio-frequency range of the electromagnetic spectrum. In an example embodiment, the electrical cell includes a layer of the electrochromic material under test that is sandwiched between a conducting base plane and a microstrip line. The conducting base plane and the microstrip line are electrically connected to a co-planar waveguide configured for application of superimposed DC-bias and RF-probe signals using a conventional probe station and a vector network analyzer. The S-parameters of the electrical cell measured in this manner can then be used, e.g., to obtain the complex dielectric constant of the electrochromic material under test as a function of frequency.

Abstract: Embodiments include package structures having integrated waveguides to enable high data rate communication between package components. For example, a package structure includes a package substrate having an integrated waveguide, and first and second integrated circuit chips mounted to the package substrate. The first integrated circuit chip is coupled to the integrated waveguide using a first transmission line to waveguide transition, and the second integrated circuit chip is coupled to the integrated waveguide using a second transmission line to waveguide transition. The first and second integrated circuit chips are configured to communicate by transmitting signals using the integrated waveguide within the package carrier.

Abstract: The present application discloses embodiments that relate to a radar system. The embodiments may include a plurality of radiating waveguides each having a waveguide input. The embodiments also include an attenuation component, which can be located on a circuit board. The embodiments further include a beamforming network. The beamforming network includes a beamforming network input. The beamforming network also includes a plurality of beamforming network outputs, where each beamforming network output is coupled to one of the waveguide inputs. Additionally, the beamforming network includes an attenuation port, wherein the attenuation port is configured to couple the beamforming network to the attenuation component. The attenuation component dissipates received electromagnetic energy.

Abstract: One or more embodiments of the present invention describe an apparatus and method to combine unequal powers. The apparatus includes a first input port, a second input port, and a combiner. The first input port is operably connected to a first power amplifier and is configured to receive a first power from the first power amplifier. The second input port is operably connected to a second power amplifier and is configured to receive a second power from the second power amplifier. The combiner is configured to simultaneously receive the first power from the first input port and the second power from the second input port. The combiner is also configured to combine the first power and second power to produce a maximized power. The first power and second power are unequal.

Abstract: A cavity resonator or filter constructed on electromagnetic bandgap (EBG) substrate is provided that includes an external controlling assemble having a plurality of components configured to change a working frequency of the cavity resonator or filter. A dual-band bandpass filter is provided that includes two or more single band filters on a single EBG substrate and an external controlling assemble having a plurality of components configured to change a working frequency of the cavity resonator or filter.

Abstract: An acoustic-wave device with active calibration mechanism is provided. The acoustic-wave device with active calibration mechanism includes at least one adjustable acoustic-wave duplexer, a frequency discriminator and a control circuit. The adjustable acoustic-wave duplexer has a first terminal point, a second terminal point and a third terminal point. The adjustable acoustic-wave duplexer includes a TX filter, an RX filter, a first loop switch and a second loop switch. The first loop switch is used for conducting a first loop. The second loop switch is used for conducting a second loop. The control circuit adjusts the operating frequency of the TX filter according to a first loop calibration signal. The control circuit adjusts the operating frequency of the operating frequency of the RX filter according to the second loop calibration signal.

Abstract: A tilt adapter configured to facilitate a desired tilt of a first radio frequency (RF) band and a second RF band of an antenna is disclosed. The antenna supports two or more frequency bands, in which the vertical tilt of each of the supported frequency bands is separately controlled by a coarse level of phase shifting, but commonly controlled by a fine level of phase shifting.

Abstract: First and second antenna disposed in an information handling system selectively support communication through a wireless frequency using beamforming. The first or second antenna is selected for initiating communication based upon alignment with a beamforming axis for establishing beamforming with a distal wireless device. For example, the first antenna is selected if the information handling system articulates to a tablet configuration and the second antenna is selected if the information handling system articulates to a clamshell open configuration.

Abstract: The present document discloses an antenna unit and a terminal. The antenna unit disclosed by the present document includes an antenna circuit board, at least two neighboring antennas and an electromagnetic coupling module used for isolating coupling signal transmission between two neighboring antennas, wherein the electromagnetic coupling module is connected in series between the two neighboring antennas. The present document uses the electromagnetic coupling module to isolate signal transmission between the two neighboring antennas, i.e., electric signals in the two antennas are unable to be transmitted to opposite end, thereby reducing signal coupling between the neighboring antennas and improving the isolation between the two neighboring antennas.

Abstract: An antenna device includes a casing including a metal casing portion and a feed coil. The metal casing portion includes a main surface, a side surface connected to the main surfaces, and a notch portion located in the side surface. The feed coil is disposed inside the casing to be coupled with the metal casing portion by a magnetic field, and includes a winding central portion forming a coil opening portion. The feed coil is disposed near the notch portion, with the coil opening portion directed to a region including the notch portion.

Abstract: A digital radio receiver system is provided as a single module for retro-fit connection to the external antenna connector of a vehicle or the like. The system includes an antenna connected to a radio receiver which is configured to scan and receive digital radio channels through the antenna. There is also a wireless communications module for wirelessly transmitting to an external display and control unit information relating to the available channels and for receiving back a selected channel. A transmitter is provided for decoding a selected channel and transmitting it as a modulated signal down a wired feed from the eternal antenna connector to an analog radio head unit for output on a given channel. A renewable energy unit is provided on the module for powering the receiver, communications module and transmitter.

Abstract: A circuit (4) for establishing a desired impedance value for a radio antenna (5) comprising a transistor (3) having an input (8) and an output terminal (6), and a printed radio frequency transformer comprising a first (1) and a second inductor (2), both inductors (1, 2) having a coupling factor value, and having a first and a second terminal (11, 12; 21, 22). The first terminal (11) of the first inductor (1) is adapted for connecting a radio antenna (5). The input terminal (8) of the transistor (3) is connected to the second terminal (12) of the first inductor (1), and the output terminal (6) of the transistor (3) is connected to the first terminal (21) of the second inductor (2), so that the desired impedance value (Z2) at the second terminal (22) of the second inductor (2) is determined by the inductance value of the second inductor (2).

Abstract: An apparatus and method are provided for utilizing a component with a helical antenna for communicating radio frequency (RF) signals. Included is a housing and a component coupled to the housing. Further provided is a helical antenna coupled to the component. In use, the helical antenna serves to communicate RF signals.

Abstract: A method including disposing a transmission line or an antenna on dielectric material; and removing a portion of the dielectric material from a region adjoining the transmission line or the antenna where the electromagnetic radiation from the transmission line or the antenna is predetermined to be greater than another portion of the dielectric material. An apparatus including a package substrate including a transmission line coupled to an antenna, the transmission line and the antenna disposed on a dielectric layer including an organic dielectric material having a first dielectric constant and a second material having a dielectric constant less than the first dielectric constant, wherein the second dielectric material adjoins a portion of the transmission line or the antenna.

Abstract: The present invention relates to an antenna for wireless application made from a component of an electronic device, said component being attached to the casing of the electronic device and comprising a conductive part and at least one mounting pin made of conductive material, the conductive part forming the radiating element of the antenna and the mounting pin being connected electrically to a feed line of the antenna and to a ground plane by a shunt.

Abstract: A decoupling device includes a first substrate, a first inductive coil printed on the first substrate, a second substrate, a second inductive coil printed on the second substrate, and a joining component. The joining component is for joining the first substrate to the second substrate. The first inductive coil and the second inductive coil have an area of overlap.

Abstract: The antenna device includes an antenna unit (110) mounted so that its direction is adjustable, a motor-driven unit (124, 125) that changes a direction of the antenna unit (110), a camera (130) fixed so that its direction relative to the antenna unit (110) does not change, and a direction adjustment control unit (200) that supplies a drive signal to the motor-driven unit (124, 125) and adjusts the direction of the antenna unit (110). The direction adjustment control unit (200) performs feedback control to return the direction of the antenna unit (110) back to an initial direction based on an image taken by the camera (130). It is thereby possible to maintain the communication quality even when a mechanical vibration occurs in a structure on which an antenna device is mounted.

Abstract: The disclosure concerns a beam steering antenna system that can be integrated into a portion of a mobile device, such as a ring conductor that encompasses the device or traverses a portion of the periphery of the mobile device. The single port antenna is capable of generating multiple radiation modes which possess different radiation pattern characteristics. An offset parasitic is implemented to couple to the main radiating element and alter the current distribution to affect a change in radiation mode. The coupling typically occurs at a coupling region designed into the conductive ring used as the antenna in a wireless device.

Abstract: A modulation concept for a radar having switched antennas, in which individual switching states of the antenna array having the switched antennas are closely dovetailed with the modulation of the radar signals. In this way it is possible to use switched antennas in the time division multiplex method and thus to allow for short time periods between the switching states. This also allows for a phase evaluation across the switching states.

Abstract: A spacecraft communications payload includes a beam forming network (BFN), wherein the BFN includes a first feed waveguide and a first set of branch waveguides, each branch waveguide in the first set operating in a frequency band having a characteristic waveguide wavelength ?g1. A proximal portion of the first set of branch waveguides is communicatively coupled with the first feed waveguide. A distal portion of the first set of branch waveguides is communicatively coupled by way of an array of slots with a plurality of radiating elements. A separation distance between adjacent slots in the array is approximately equal to ?g, and the array of slots is configured as a honeycomb-like triaxial lattice. In some implementations, a compact BFN may be configured to simultaneously operate at two different polarizations (“dual-polarized”) and/or frequency bands (“dual-band”).

Abstract: A compact wideband RF antenna for placement in a ground-plane recess at the edge of a printed circuit board. Wideband performance is enhanced by an electrically-isolated floating dipole, which electromagnetically couples signal excitation in the recess to a loop dipole formed from the ground-plane. The loop dipole connects to RF circuitry for transmission and reception. Antennas according to embodiments of the invention are capable of UWB operation in the 3.1-10.6 GHz band.

Abstract: A near field communication (NFC) antenna includes a first antenna electrode and a second antenna electrode, and a loop coil. The first and second antenna electrodes are formed on a first surface of a substrate. The loop coil is formed on the first surface of the substrate, is directly coupled between the first antenna electrode and the second antenna electrode, and includes a first plurality of turns. The first antenna electrode is located inside each of the plurality of turns of the loop coil, and the second antenna electrode is located outside each of the plurality of turns of the loop coil. An imaginary line passing through the first antenna electrode and the second antenna electrode is parallel to one of edges of the substrate. Each of the first plurality of turns of the loop coil does not overlap each other.