Abstract: Provided are a solid electrolyte membrane, an all-solid-state battery including the same and methods of manufacturing thereof. The solid electrolyte membrane includes a texture-type support having oppositely disposed first side and second side, and having multiple pores inside thereof, and a solid electrolyte filling up the pores and covering at least one side of the support, wherein the support may include a lithium salt, a polymer material or a first solid electrolyte material, or combinations thereof, and show ion conductivity. The solid electrolyte may include a second solid electrolyte material.

Abstract: The present disclosure relates to an all-solid-state secondary battery, and more particularly, to an all-solid-state secondary battery including a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. Here, at least one of the positive electrode and the negative electrode includes a sulfide-based active material, the sulfide-based active material has a particle size of about 50 nm to about 5 µm, and the sulfide-based active material has a grain size of about 1 nm to about 10 nm.

Abstract: A lithium battery according to the inventive concept includes: a first electrode structure; a second electrode structure separated from the first electrode structure; and an electrolyte between the first electrode structure and the second electrode structure, wherein the electrolyte includes: a lithium salt; an organic solvent; and an additive, the additive includes a polymer additive, and the polymer additive may be a mixture of at least two or more polymers among a halogen-based polymer, a silicon-based polymer and an acrylic polymer, or a copolymer thereof.

Abstract: Provided is a secondary battery including: a first electrode structure; a second electrode structure spaced apart from the first electrode structure; a separator between the first electrode structure and the second electrode structure; and an electrolyte filled between the first electrode structure and the separator and between the second electrode structure and the separator, wherein the separator includes: a separator substrate; a polymer layer adsorbed on a surface of the separator substrate; and a ceramic layer on the polymer layer, the polymer layer including a polyethyloxazoline-based polymer, and the ceramic layer including an aqueous binder.

Abstract: A composition of aqueous slurry capable of exerting uniform coating on a hydrophobic separator for a secondary battery is disclosed. Unlike other aqueous polymers, a polyvinyl alcohol-based polymer can be physically and chemically bound to a surface of a hydrophobic separator made of polyolefins such as polyethylene, polypropylene, and the like. Therefore, when the aqueous slurry including the polyvinyl alcohol-based polymer is fabricated and a hydrophobic separator is coated with the aqueous slurry, the hydrophobic separator may be smoothly coated with the aqueous slurry.

Abstract: Disclosed is a composite electrode for an all-solid-state secondary battery. The composite electrode includes a composite positive electrode and a composite negative electrode, wherein each of the composite positive electrode and the composite negative electrode includes an electrode active material, and an ion-conducting composite binder configured to include an inorganic ion conductor for an ion movement path and an organic ion conductor for binding of the electrode active material.

Abstract: Provided is a cellulose derivative composition for an all-solid-state secondary battery binder including a compound represented by Formula 1 below according to the inventive concept. In Formula 1, R1, R1?, R2, R2?, R3, and R3? are each independently any one among a carboxymethyl group, a sulfur substituent, or a phosphorus substituent, in which a monovalent metal is substituted or hydrogen, wherein R1, R2, and R3 is —CH2COOX, , SO3X, —PO3X or —PO3X2 where X may be any one among sodium (Na), potassium (K), rubidium (Rb), or cesium (Cs). R1?, R2?, and R3? is —CH2COOY, —SO3Y, —PO3Y or —PO3Y2 where Y may be lithium (Li).

Abstract: An all-solid-state battery for an ion-conducting binder evaluation system for a secondary battery may comprise: an electrode manufactured with an electrode composition, which includes electrode active materials and a binder, so that ion transport in the electrode is dependent on a mechanism of ion diffusion between the electrode active materials by excluding an electrolyte component from the electrode; a counter electrode disposed to face the electrode; and a solid electrolyte layer disposed between the electrode and the counter electrode, wherein a pore density of the electrode, which is an electrolyte-free electrode, is less than or equal to 15% of an electrode bulk density.

Abstract: Provided is a solid electrolyte membrane including a porous frame including a metal or a polymer material, solid electrolyte particles covering both surfaces of the porous frame, and filling pores of the porous frame, and a binder between the solid electrolyte particles.

Abstract: Provided is a composite electrode for an all-solid-state secondary battery including a first active material and a second active material, wherein the first active material and the second active material include different materials from each other, and the content of the first active material is 50 vol % to 98 vol % based on the total volume of the first active material and the second active material, the first active material has a volume change rate of 0 vol % to 30 vol % according to volume expansion/contraction during a charging/discharging process, and the second active material has a volume change rate of 35 vol % to 1000 vol % according to volume expansion/contraction during a charging/discharging process.

Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.

Abstract: Provided is a method for manufacturing a solid secondary battery, wherein the method includes forming a composite electrolyte film, and forming a positive electrode and a negative electrode respectively on both surfaces of the composite electrolyte film. The forming of a composite electrolyte film includes preparing inorganic ion conductor powder coated with an ion resistance layer, removing the ion resistance layer to expose the surface of the inorganic ion conductor powder, mixing the inorganic ion conductor powder with an organic ion conductor and a solvent to prepare a composite electrolyte solution, and removing the solvent from the composite electrolyte solution.

Abstract: Provided is a method of manufacturing a secondary battery separator including dissolving a polymer binder in water to prepare an aqueous binder solution, dispersing particles in the aqueous binder solution to prepare an aqueous slurry, and preparing a separator substrate, and applying the aqueous slurry on an upper surface and a lower surface of the separator substrate to form an aqueous slurry coating layer, wherein the separator substrate includes a hydrophobic material, the polymer binder is water-soluble, and the aqueous slurry has a viscosity of about 100 cP to about 6000 cP.

Abstract: A printed circuit board assembly is provided. A printed circuit board assembly includes a printed circuit board; an electronic component mounted on the printed circuit board; a heat radiating member which contacts the electronic component and is configured to receive and conduct heat generated by the electronic component; and at least one connection part connecting the printed circuit board and the heat radiating member to each other and configured to transfer the heat conducted through the heat radiating member to the printed circuit board.

Abstract: An electronic device is provided. The electronic device includes: a first board that time-divides each of a plurality of parallel data and generates a plurality of packets corresponding to each time period based on levels of each of the plurality of parallel data included in each time period in order to convert the plurality of parallel data into serial data; and a second board that determines levels of each of the plurality of parallel data in each time period to convert the serial data into the plurality of parallel data when the serial data are received from the first board, in which the first board may convert the data into a first signal or a second signal based on the levels of the data included in each time period in order to generate the packets.

Abstract: Disclosed are an apparatus for manufacturing electrodes and a method of manufacturing electrodes. The method of manufacturing electrodes includes providing a metal substrate having first and second surfaces opposite to each other, performing a patterning process on the first surface of the metal substrate, coating an electrode material on the first surface of the metal substrate, after the patterning process, and irradiating the electrode material, which is coated on the metal substrate, with light. The patterning process includes forming a plurality of holes to penetrate the metal substrate or forming a plurality of grooves to have a shape recessed from the first surface toward the second surface.

Abstract: An electronic device is provided. The electronic device includes: a first board that time-divides each of a plurality of parallel data and generates a plurality of packets corresponding to each time period based on levels of each of the plurality of parallel data included in each time period in order to convert the plurality of parallel data into serial data; and a second board that determines levels of each of the plurality of parallel data in each time period to convert the serial data into the plurality of parallel data when the serial data are received from the first board, in which the first board may convert the data into a first signal or a second signal based on the levels of the data included in each time period in order to generate the packets.

Abstract: Disclosed are an apparatus for manufacturing electrodes and a method of manufacturing electrodes. The method of manufacturing electrodes includes providing a metal substrate having first and second surfaces opposite to each other, performing a patterning process on the first surface of the metal substrate, coating an electrode material on the first surface of the metal substrate, after the patterning process, and irradiating the electrode material, which is coated on the metal substrate, with light. The patterning process includes forming a plurality of holes to penetrate the metal substrate or forming a plurality of grooves to have a shape recessed from the first surface toward the second surface.

Abstract: A printed circuit board assembly is provided. A printed circuit board assembly includes a printed circuit board; an electronic component mounted on the printed circuit board; a heat radiating member which contacts the electronic component and is configured to receive and conduct heat generated by the electronic component; and at least one connection part connecting the printed circuit board and the heat radiating member to each other and configured to transfer the heat conducted through the heat radiating member to the printed circuit board.

Abstract: An electronic system, an electronic device, and a controlling method thereof are provided. The electronic device includes a first communication interface configured to establish connection between the electronic device and an interface device for interfacing with an external peripheral device, a second communication interface configured to receive a remote control signal for controlling the external peripheral device from a remote control device, and a process configured to, in response to the remote control signal at a carrier frequency being received from the remote control device via the second communication interface, control the first communication interface to transmit the received remote control signal at the carrier frequency to the interface device.