Abstract: An electronic device is provided. The electronic device includes an ultra-wideband (UWB) communication circuit including at least one antenna for acquiring signals from an external electronic device, a processor operatively connected with the UWB communications circuit, and memory operatively connected with the processor. The memory may store one or more instructions which, when executed, cause the processor to obtain at least one signal from the at least one antenna, determine a phase-difference-of-arrival of the at least one signal, obtain information related to the state of the electronic device, obtain a calibration value corresponding to the obtained state information of the electronic device from the memory, and determine the angle-of-arrival of the at least one signal based on the phase-difference-of-arrival of the at least one signal and the calibration value.

Abstract: An electronic device is provided and includes a short-range wireless communication circuit configured to perform short-range wireless communication; one or more processors; and a memory storing instructions that, when executed by the one or more processors individually or collectively, cause the electronic device to, when a trigger event for sharing an input device of the electronic device occurs, establish a wireless data communication path with an external electronic device for an input sharing function through the short-range wireless communication, wherein the external electronic device is selected for the input sharing function based at least on the external electronic device being registered to a same user account as the electronic device, receive input information from the input device, and transmit the received input information to the external electronic device through the wireless data communication path.

Abstract: An electronic device is provided, which receives a user input from a peripheral device, transmits a request associated with a share function for the peripheral device to at least one external electronic device near the electronic device, receives a response to the request from the at least one external electronic device, determines whether the at least one external electronic device is registered to a same user account, determines whether the share function for the peripheral device is allowed at the at least one external electronic device, and if the at least one external electronic device is registered to the same user account and the share function is allowed at the at least one external electronic device, and based on a determination that the user input corresponds to a location of a cursor being out of the display screen, transmits input information associated with the user input from the peripheral device to the at least one external electronic device, such that the cursor is displayed at the at least o

Abstract: A pouch-type flexible film battery, including: (a) a cathode structure including a cathode pouch, a cathode conductive carbon layer, and a cathode layer; (b) an anode structure including an anode pouch, an anode conductive carbon layer, and an anode layer; and (c) a polymer electrolyte layer that is provided between the cathode and anode structures, that is bonded to the cathode layer and to the anode layer, and that is a gel-type electrolyte having adhesive properties and including a cellulose-based polymer.

Abstract: Provided is a lithium battery including a first pouch film, a first anode part on the first pouch film, a second cathode part on the first anode part, a polymer insulating film on the second cathode part, the polymer insulating film including a disk which is configured to penetrate the polymer insulating film, a second anode part on the polymer insulating film, a first cathode part on the second anode part, and a second pouch film on the first cathode part. Herein, the second cathode part is electrically connected to the second anode part through the disk.

Abstract: An oxide-based solid electrolyte according to the present invention may be LixLa3M2O12 and may have a cubic phase. The oxide-based solid electrolyte may further include first and second dopants. A method of preparing an oxide-based solid electrolyte according to the concept of the present invention may include mixing a lithium compound, a lanthanum compound, a metal compound, a first dopant precursor, and a second dopant precursor to prepare an intermediate, and crystallizing the intermediate to prepare LixLa3M2O12 crystals having a cubic phase.

Abstract: A method of preparing an oxide-based solid electrolyte includes preparing a precursor solution which includes a lanthanide complex and a metal complex; preparing an intermediate by a hydrothermal reaction that is performed on the precursor solution; adding a lithium compound and a dopant precursor to the intermediate to prepare a mixture; and crystallizing the mixture. The mixture is crystallized by preparing a first oxide-based solid electrolyte by performing a first crystallization process on the mixture; and preparing a second oxide-based solid electrolyte by performing a second crystallization process on the first oxide-based solid electrolyte, wherein the second oxide-based solid electrolyte has a stoichiometric composition that is the same as that of the first oxide-based solid electrolyte, but that has a different crystal structure.

Abstract: A method of preparing a lithium battery according to an embodiment of the present invention may include preparing a mixture including lithium phosphorus sulfide and metal sulfide, preparing an electrode composite by applying a physical pressure to the mixture, wherein the electrode composite includes lithium phosphorus sulfide, lithium metal sulfide, and amorphous sulfide, preparing an electrode active layer by using the electrode composite, forming an electrode current collector on one side of the electrode active layer, and forming an electrolyte layer on another side of the electrode active layer.

Abstract: A solid polymeric electrolyte having a pattern, and a lithium battery including the same, includes a polymer matrix having a mesh structure and being formed of a cured photo-crosslinking agent; inorganic particles substantially uniformly distributed in the polymer matrix; and a liquid electrolyte comprised of a lithium salt and an organic solvent impregnated between the polymer matrix and the inorganic particles. The liquid electrolyte and the cured photo-crosslinking agent are present in a weight ratio ranging from 50:50 to 99:1. The liquid electrolyte containing the cured photo-crosslinking agent and the inorganic particle are present in a weight ratio ranging from 10:90 to 90:10. The solid polymeric electrolyte has properties suitable for a printing process to provide the pattern including a thickness ranging from about 10 nm to about 500 ?m and, prior to curing the photo-crosslinking agent, a viscosity ranging from 100-10,000 poise under a shear rate condition of 1 sec?1.

Abstract: A method of preparing a lithium phosphate-based solid electrolyte according to an embodiment of the present invention may include preparing a precursor solution which includes a lithium compound, a phosphate compound, and an aluminum compound, forming a first intermediate by performing a hydrothermal reaction process on the precursor solution, forming a second intermediate by calcinating the first intermediate, and crystallizing the second intermediate. The precursor solution may further include a metal compound or a metalloid compound. The lithium phosphate-based solid electrolyte of the present invention may have high ionic conductivity and high purity.

Abstract: An embodiment of the inventive concept provides a lithium battery including: a first pouch film; a first anode part on the first pouch film, the first anode part including a first anode terminal; a second cathode part on the first anode part; a polymer film on the second cathode part; a second anode part on the polymer film, the second anode part including a second anode terminal; a first cathode part on the second anode part; a second pouch film on the first cathode part; and an anode connector configured to penetrate the first and second anode terminals to provide an electrical connection between the first anode part and the second anode part.

Abstract: Provided is a lithium battery including a first pouch film, a first anode part on the first pouch film, a second cathode part on the first anode part, a polymer insulating film on the second cathode part, the polymer insulating film including a disk which is configured to penetrate the polymer insulating film, a second anode part on the polymer insulating film, a first cathode part on the second anode part, and a second pouch film on the first cathode part. Herein, the second cathode part is electrically connected to the second anode part through the disk.

Abstract: Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide, germanium sulfide, aluminum sulfide, phosphorus sulfide, and sulfur, conducting a mixing process of the precursor to prepare a mixture, and crystallizing the mixture to form a compound represented by Li9.7Al0.3Ge0.7P2S12. The sulfide-based solid electrolyte may have high ionic conductivity.

Abstract: A method for manufacturing a solid electrolyte includes dissolving first polymers and second polymers in a cosolvent including a first cosolvent and a second cosolvent to provide a preparation solution; adding a lithium solution to the preparation solution to provide a mixture solution; removing the second cosolvent from the mixture solution to prepare an electrolyte paste that exhibits thixotropy; and coating the electrolyte paste onto a substrate to form an electrolyte film, wherein the electrolyte paste in a gel state is characterized by the first polymers being aligned in parallel to one another in one direction; the second polymers randomly surrounding the first polymers and having an average molecular weight that is greater than that of the first polymers; and a lithium solution provided between the first polymers and the second polymers.

Abstract: An oxide-based solid electrolyte according to the present invention may be LixLa3M2O12 and may have a cubic phase. The oxide-based solid electrolyte may further include first and second dopants. A method of preparing an oxide-based solid electrolyte according to the concept of the present invention may include mixing a lithium compound, a lanthanum compound, a metal compound, a first dopant precursor, and a second dopant precursor to prepare an intermediate, and crystallizing the intermediate to prepare LixLa3M2O12 crystals having a cubic phase.

Abstract: A lithium battery binder composition in accordance with some example embodiments of the inventive concept may include a lithium ion polymer, an inorganic particle and an organic solution in which a lithium salt is dissolved. The lithium ion polymer may be a cellulosic polymer having sulfonic acid lithium salt or carboxylic acid lithium salt functional group. The lithium ion polymer may be manufactured by substituting hydroxyl group or carboxylic group of cellulosic polymer. The lithium battery binder composition may be used to at least one of an electrolyte, a cathode layer and an anode layer.

Abstract: A solid polymeric electrolyte and a lithium battery with the same. The electrolyte includes a polymer matrix, which may have a mesh structure with the polymer matrix being formed of a cured photo-crosslinking agent. The electrolyte also includes inorganic particles distributed in the polymer matrix, and a lithium salt and an organic solvent impregnated between the polymer matrix and the inorganic particles. The electrolyte has a first portion, a second portion, and a third portion connecting the first and second portions, wherein one of the first, second, and third portions is located apart from a flat plane connecting the others. The lithium battery includes an anode electrode provided with an anode active material and an anode current collector, and a cathode electrode provided with a cathode active material and a cathode current collector and disposed to face the anode electrode, with the electrolyte interposed between the two electrodes.

Abstract: A lithium rechargeable battery includes a cathode plate having a cathode current collector layer; and a cathode layer composed of particles of a cathode active material; an anode plate that is spaced apart from the cathode plate and having an anode current collector layer and an anode layer composed a mixed anode active material that is a mixture including particles of a spinel lithium titanium oxide (Li4Ti5O12) and nanotubes of a lithium titanium oxide (LixTiO2, where 0<x<2); and a polymer electrolyte disposed between the cathode plate and the anode plate. The cathode active material may contain only one cathode active material or be a mixed cathode active material composed of a mixture of particles of carbon-coated lithium iron phosphate (LiFePO4) that are nanoparticles of lithium iron phosphate coated with carbon particles and particles of a lithium transition metal oxide.

Abstract: A method of fabricating a solid polymeric electrolyte having a pattern includes mixing constituents including a liquid electrolyte, a photo-crosslinking agent, and inorganic particles to form an electrolyte paste; dispersing together the constituents of the electrolyte paste; coating the electrolyte paste on a substrate; pressing the electrolyte paste with a patterned mold having a shape to copy the shape of the patterned mold onto the electrolyte paste and provide said pattern; and illuminating an ultraviolet light onto the electrolyte paste to induce a photo-crosslinking reaction and cure the photo-crosslinking agent of the electrolyte paste, wherein said solid polymeric electrolyte includes a polymer matrix having a mesh structure, the polymer matrix being formed of the cured photo-crosslinking agent; inorganic particles distributed in the polymer matrix; and a lithium salt and an organic solvent impregnated between the polymer matrix and the inorganic particles.

Abstract: Provided is a method for manufacturing a solid electrolyte including preparing a preparation solution by dissolving first polymers and second polymers in a cosolvent which includes a first cosolvent and a second cosolvent, preparing a mixture solution by adding a lithium solution to the preparation solution, preparing an electrolyte paste by removing the second cosolvent in the mixture solution, and forming an electrolyte film by coating the electrolyte paste on a substrate.