Abstract: Disclosed is a nanotubular intermetallic compound catalyst for a positive electrode of a lithium air battery and a method of preparing the same. In particular, a porous nanotubular intermetallic compound is simply prepared using electrospinning in which a dual nozzle is used, and, by using the same as a catalyst, a lithium air battery having enhanced discharge capacity, charge/discharge efficiency and lifespan is provided.

Abstract: The present invention relates to an electrolyte for a lithium battery and a lithium battery comprising the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and a first additive capable of forming a chelating complex with a transition metal and which is stable at voltages ranging from about 2.5 to about 4.8 V.

Abstract: The present invention provides a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a liquid electrolyte electrode and a solid electrolyte electrode are stacked on both sides of an ion conductive glass ceramic. That is, disclosed is a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a lithium metal negative electrode includes a liquid electrolyte and a porous air positive electrode comprising a carbon, a catalyst, a binder and a solid electrolyte are separately stacked on both sides of an impermeable ion conductive glass ceramic, and the liquid electrolyte is present only in the lithium metal negative electrode.

Abstract: A broadcast receiving apparatus and a signal processing method thereof are provided. The broadcast receiving apparatus includes a receiver configured to receive a data stream comprising a plurality of physical layer pipes (PLPs); a demodulator configured to output at least one generic packet corresponding to each of the plurality of PLPs and additional information on the at least one generic packet by demodulating the plurality of PLPs; and a signal processor configured to process the at least one generic packet based on the output additional information.

Abstract: Disclosed are a differential amplifier circuit and a semiconductor memory device including the same, wherein the differential amplification circuit includes: a differential amplifier activated in response to an enable signal, capable of differentially amplifying input signals inputted through input terminals and outputting output signals; and an operation control section capable of sequentially applying signals having a voltage difference increasing in stepped fashion to the input terminals of the differential amplifier, measuring voltages of the output signals of the differential amplifier to detect an input offset, and adjusting an activation timing of the enable signal depending on a detected offset.

Abstract: A differential amplification circuit may include a differential amplification unit including a first input transistor and a second input transistor, and suitable for differentially amplifying input signals inputted through the first and second input transistors; a first input control section suitable for turning off the first input transistor when the differential amplification circuit is disabled and transferring a first input signal to the first input transistor when the differential amplification circuit is enabled; and a second input control section suitable for turning off the second input transistor when the differential amplification circuit is disabled and transferring a second input signal to the second input transistor when the differential amplification circuit is enabled.

Abstract: A transmitting/receiving system may include a transmitting circuit and a receiving circuit. The transmitting circuit may include: a pull-up element suitable for pull-up driving a first node in response to a signal; a pull-down element suitable for pull-down driving a second node in response to the signal; and a voltage tailor coupled between the first and second nodes, and transmitting a low-swing signal obtained by reducing the swing amplitude of the signal to a transmission line, and the receiving circuit may include: a reference voltage generator having a replica circuit of the receiving circuit and suitable for generating a reference voltage; and a differential amplifier suitable for differentially amplifying the reference voltage and the low-swing signal received through the transmission line.

Abstract: A bipolar current collector for a lithium-air battery includes a substrate having a plate shape. A plurality of nanowires are anodized on the substrate and have a pillar shape with a predetermined height. An air path is formed between the plurality of nanowires and through which outside air flowing into a battery moves. The plurality of nanowires include titanium dioxide (TiO2).

Abstract: A lithium-air battery system having a hermetic structure is provided and eliminates the need to be charged with additional oxygen gas. The system includes a lithium-air battery and an oxygen bombe that stores oxygen gas participating in a lithium-oxygen reaction. A first MFC adjusts a flow rate of oxygen gas supplied from the oxygen bombe to lithium-air battery cells. A blower repeatedly supplies oxygen gas flowing from the first MFC into the lithium-air battery cells. A compressor compresses oxygen generated from the lithium-air battery cells and passes through a second MFC, to a high pressure state to charge the oxygen bombe with the compressed oxygen during a charge operation. The second MFC adjusts a flow rate when oxygen gas generated from the lithium-air battery cells is supplied to the compressor during the charge operation. Additionally, an external power source supplies electric power to the compressor to charge the oxygen bombe.

Abstract: The present invention relates to an cathode for a lithium-air battery. More particularly, it relates to an cathode for a lithium-air battery having improved life characteristic because it can suppress volatilization of an electrolyte impregnated in the cathode, and can prevent influx of moisture from outside by forming a bipolar material layer wherein a bipolar material consisting of a hydrophilic ion and a hydrophobic ion is coated on the surface of the cathode.

Abstract: The present invention provides a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a liquid electrolyte electrode and a solid electrolyte electrode are stacked on both sides of an ion conductive glass ceramic. That is, disclosed is a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a lithium metal negative electrode includes a liquid electrolyte and a porous air positive electrode comprising a carbon, a catalyst, a binder and a solid electrolyte are separately stacked on both sides of an impermeable ion conductive glass ceramic, and the liquid electrolyte is present only in the lithium metal negative electrode.

Abstract: Disclosed is a lithium-air battery or particularly, a high voltage lithium-air battery of a laminated type with a high density. The lithium-air battery may be constructed by laminating a plurality of cells, each of which may comprises a cathode that uses oxygen in air as an active material, a lithium metal anode, a separation film interposed between the cathode and the anode and an electrolyte for ion transmission. In particular, an electrically conductive bipolar plate having a flow path for supplying air to the cathode is interposed between a cathode and an anode of adjacent cell when the cells are laminated and an air inlet manifold for distributing air to the air flow path of the respective bipolar plate and an air outlet manifold for allowing the air passing through the air flow path of the respective bipolar plate to be discharged are provided in the lithium-air battery.

Abstract: An all solid electrode structure having a solid electrolyte concentration gradient is provided and a method of improving an output performance is provided with improved ion diffusion and obtaining a high capacity battery, by disposing an anode or cathode electrode having a substantially continuous concentration gradient to have a greater solid electrolyte ratio as being closer to a solid electrolyte interface and have a greater active material ratio as being close to a current collector interface. The active material/solid electrolyte ratio of anode and cathode active material layers has a concentration gradient by a single process using an aerosol deposition method.

Abstract: An electrode of an all-solid-state battery has an ionic conductive coating active material and an electronically conductive coating active material. Based on a thickness of the electrode, 50% of the electrode near a current collector is VB>VA and remaining portions close to a solid electrolyte are VA>VB, where VA is a volume of the ionic conductive coating active material, and VB is a volume of the electronically conductive coating active material.

Abstract: The present invention provides a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a liquid electrolyte electrode and a solid electrolyte electrode are stacked on both sides of an ion conductive glass ceramic. That is, disclosed is a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a lithium metal negative electrode includes a liquid electrolyte and a porous air positive electrode comprising a carbon, a catalyst, a binder and a solid electrolyte are separately stacked on both sides of an impermeable ion conductive glass ceramic, and the liquid electrolyte is present only in the lithium metal negative electrode.

Abstract: Disclosed is a material which enhances stability for lithium in all the batteries, which use the lithium metal as an electrode material, by using and applying a lithium-substituted perfluoro sulfonic acid (PFSA) material in the form of a membrane or a powder to a lithium anode. Methods of manufacturing the material are also enclosed.

Abstract: A lithium-sulfur secondary battery includes a sulfur cathode, a lithium anode, an ionomer membrane, and a supplementary liquid separator. The lithium-sulfur battery comprises dual separators in which a separator is capable of sufficiently providing an electrolyte to the sulfur-conductor cathode of the lithium-sulfur battery, and the ionomer membrane is used at the lithium anode.

Abstract: Disclosed is a method for preparing a platinum-manganese dioxide/carbon complex for a positive-electrode material of a lithium-air battery. More specifically, a manganese dioxide/carbon complex is prepared by dispersing carbon in a manganese dioxide precursor solution and applying microwaves, filtering and drying to the resulting solution. Next a platinum-manganese dioxide/carbon complex is prepared by dispersing the manganese dioxide/carbon complex in ethylene glycol, adding a platinum precursor and applying microwaves to the resulting solution. The platinum-manganese dioxide/carbon complex synthesized according to the present invention exhibits lower overvoltage and higher current density in oxygen reduction and oxidation reactions as compared to either a manganese dioxide/carbon complex or a platinum/carbon complex.

Abstract: The present invention relates to negative active materials for rechargeable lithium batteries, manufacturing methods thereof, and rechargeable lithium batteries including the negative active materials. A negative active material for a rechargeable lithium battery includes a core including a material capable of carrying out reversible oxidation and reduction reactions and a coating layer formed on the core. The coating layer has a reticular structure.

Abstract: A frame sealing unit for a vehicle, that is disposed between a front pillar and a side outer panel of a vehicle, may include a main body where a mounting space is formed at one end thereof, a first pad that is inserted into the mounting space, a bonding member that is bonded to one side lower surface of the main body and an insert portion is formed on the exterior circumference thereof, a second pad that is inserted into the insert portion corresponding to the shape of the bonding member, a sub-body that is mounted on the bonding member in a position corresponding to one side surface of the main body and is spaced apart from the main body to form an operating space, and an expandable pad that is inserted into the operating space and slid when heated to an initial temperature.