Abstract: The present disclosure relates to a polymer solid electrolyte and a preparation method thereof.

Abstract: Provided is a high-durability coloring metal member. The high-durability coloring metal member includes a metal substrate, a dielectric layer provided on the metal substrate, and an oxynitride compound layer provided on the dielectric layer. The metal member is capable of expressing vivid and various colors with a color protection layer applied on the surface of the metal member.

Abstract: An electrolyte, a battery comprising the same, and a method for producing the same are provided. The electrolyte includes: a polymer mixture including a polyethylene (PEO)-based copolymer containing crosslinkable functional groups and a non-crosslinkable PEO-based copolymer; a ceramic compound; and a polar compound, wherein at least some of the crosslinkable functional groups of the PEO-based copolymer containing crosslinkable functional groups form crosslinks with each other and the polar compound is contained in the polymer mixture.

Abstract: The present disclosure relates to a method for manufacturing a gel polymer electrolyte secondary battery which allows easy removal of the gases generated in the secondary battery, and provides the secondary battery with significantly improved resistance and life characteristics and improved mechanical properties and thus improved stiffness and safety.

Abstract: A polymer solid electrolyte and a method for preparing the same are provided. The method includes preparing a polymer solid electrolyte, defining a correlation between an added amount of a lithium salt and ionic conductivity of the polymer solid electrolyte, and adjusting the added amount of the lithium salt depending on the ionic conductivity of the prepared solid electrolyte, and is thereby capable of preparing a polymer solid electrolyte having high ionic conductivity through a large-capacity continuous process.

Abstract: An embodiment apparatus includes a communication device for communicating with first and second air mobilities, one or more processors for guiding a flight route of the second air mobility based on flight environment information obtained by the first air mobility, and a non-transitory storage device storing a program to be executed by the one or more processors, the program including instructions to determine a cost between an arbitrary source node set in an airspace and a neighboring node adjacent to the source node based on the flight environment information, determine departure and arrival nodes among the plurality of nodes based on flight information of the second air mobility scheduled to fly in the airspace for which the cost is calculated, and determine the flight route of the second air mobility to minimize a sum of the cost between transit nodes connecting the departure and arrival nodes.

Abstract: An electrode assembly includes a positive electrode; a negative electrode; and an electrolyte layer between the positive electrode and the negative electrode, wherein the electrolyte layer comprises: a polymer in the form of a network including a polyethylene oxide-based copolymer with cross-linkable functional groups, at least some of which form cross-links; a ceramic compound; and a polar compound, wherein the polar compound is contained in the network, and wherein the positive electrode comprises a positive electrode active material and a binder comprising the polymer including the polyethylene oxide-based copolymer having the cross-linkable functional groups.

Abstract: An electrolyte includes: a polymer in the form of a network structure formed of a polyethylene oxide-based copolymer containing cross-linkable functional groups and a cross-linking agent; a ceramic compound; and a polar compound, wherein at least a portion of the cross-linkable functional groups form cross-links with the cross-linking agent, wherein the polar compound is contained in the network structure, and wherein the cross-linking agent is included at a weight ratio of the cross-linking agent to the polyethylene oxide-based copolymer expressed as: f XL = W XL W P , wherein WXL is the weight of the cross-linking agent, WP is the weight of the polyethylene oxide-based copolymer, and fXL is 0.07 to 0.19.

Abstract: A display device can include at least one subpixel connected to a data line and a gate line; a first gate driving circuit connected to a first end of the gate line; a second gate driving circuit connected to a second end of the gate line, the second end being opposite to the first end. Also, the first and second gate driving circuits are configured to double feed gate pulses to the first and second ends of the gate line based on a first condition being satisfied, and single feed the gate pulse to only one of the first and second ends of the gate line based on a second condition being satisfied.

Abstract: The present invention relates to a method for preparing a composite solid electrolyte having high ionic conductivity and capable of continuous process and mass production.

Abstract: An electrode capable of improving high-temperature safety and life characteristic of lithium secondary batteries, and an electrode assembly including the same are provided. The electrode includes an electrode active material layer and a coating layer formed on the electrode active material layer, the coating layer including polymer particles, a dispersant, and a binder, and the binder includes at least one selected from the group consisting of polyvinylidenefluoride (PVDF), polyvinyl alcohol (PVA), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone (PVP), polyethylene (PE), polypropylene, ethylene-propylene-diene polymer, and a sulfonated ethylene-propylene-diene polymer.

Abstract: A method for manufacturing a secondary battery is provided. The method includes accommodating an electrode assembly in a battery case, injecting a first electrolyte composition into the battery case to impregnate the electrode assembly, injecting a second electrolyte composition into the battery case, and curing the second electrolyte composition, wherein an electrode tab is connected to the electrode assembly and protrudes to the outside of the electrode assembly, wherein the first electrolyte composition includes a 1-1st lithium salt containing at least one selected from the group consisting of lithium bis(fluorosulfonyl)imide (LiFSI) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), and a first solvent, wherein the second electrolyte composition includes an oligomer and a second solvent and does not include lithium bis(fluorosulfonyl)imide (LiFSI) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI).

Abstract: An electrolyte, a battery comprising the same, and a method for producing the same are provided. The electrolyte includes: a polymer formed from a polyethylene oxide (PEO)-based copolymer containing crosslinkable functional groups; a ceramic compound; and a polar compound, wherein at least some of the crosslinkable functional groups of the PEO-based copolymer containing crosslinkable functional groups form crosslinks with each other.

Abstract: A secondary battery including an electrode assembly, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte. The electrode assembly includes a plurality of electrodes and a plurality of separators, the plurality of electrodes are stacked in a vertical direction, and each of the plurality of separators is disposed between the stacked electrodes. The separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, and the ceramic coating layer contains inorganic particles and a binder, wherein the inorganic particles are included in an amount ranging from 92 wt % to less than 100 wt %, and the binder is included in an amount ranging from greater than 0 wt % to 8 wt %. The method of making the battery is also provided.

Abstract: A secondary battery includes an electrode assembly including an electrode and a separator which are alternately stacked; a gel polymer electrolyte; and a battery case accommodating the electrode assembly and the gel polymer electrolyte. The separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, and the ceramic coating layer contains from 92 wt % to less than 100 wt % of inorganic particles and from greater than 0 wt % to 8 wt % of a binder.

Abstract: A battery cell with improved battery durability and battery lifetime, a method of preparing the battery cell, and a battery module including the battery cell are provided. The battery cell includes a cell case having an accommodation space; an electrode assembly which is accommodated in the accommodation space and includes a plurality of electrodes, an electrode tab formed on at least one side of each of the plurality of electrodes, and a separator disposed between the plurality of electrodes; a gel electrolyte which contains a first molarity of a first lithium salt and is accommodated in the accommodation space while surrounding the electrode tab; and a liquid electrolyte which contains a second molarity, which is lower than the first molarity, of a second lithium salt and is accommodated between the plurality of electrodes.

Abstract: The present disclosure relates to a secondary battery that includes an electrode assembly including an electrode and a separator which are alternately stacked, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte, wherein the separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, the ceramic coating layer includes inorganic particles in an amount of 92 wt % or greater and less than 100 wt % and a binder in an amount of greater than 0 wt % and 8 wt % or less, the electrode includes a positive electrode and a negative electrode, and the negative electrode includes a silicon-based active material.

Abstract: The present invention relates to a protective film and a polarizing plate comprising the same, and provides a protective film capable of minimizing the amount of static electricity that can be generated upon peeling the protective film.

Abstract: A polymer solid electrolyte, a method for manufacturing the same, and an all-solid-state battery including the same are provided. The polymer solid electrolyte comprises an ion conducting polymer and a polymer particles having a density similar to that of the ion conducting polymer, thereby enhancing uniformity of the polymer solid electrolyte, and improving the strength of the polymer solid electrolyte.

Abstract: A method for manufacturing a secondary battery, includes preparing an electrode assembly in which electrodes and a separator are alternately laminated, and an adhesive composition is applied to the surface of at least one of the electrodes or the separator, thereby allowing the electrodes and the separator to adhere to each other; accommodating the electrode assembly in a battery case; injecting a gel polymer electrolyte composition into the battery case to impregnate the electrode assembly with the gel polymer electrolyte composition; curing the gel polymer electrolyte composition; and sealing the battery case, wherein the separator includes a porous substrate and ceramic coating layers disposed on both surfaces of the porous substrate.