Abstract: An embodiment composition for solid electrolyte membranes of all-solid-state batteries includes a sulfide-based solid electrolyte and a cross-linking agent including two or more acrylate functionalities. An embodiment method of manufacturing a solid electrolyte membrane for an all-solid-state battery includes forming a composition including a sulfide-based solid electrolyte and a cross-linking agent including two or more acrylate functionalities and cross-linking the composition.

Abstract: An anodeless all-solid-state battery includes an anode current collector, a composite structure layer positioned on the anode current collector, a solid electrolyte positioned on the composite structure layer, and a cathode positioned on the solid electrolyte, in which the composite structure layer includes a carbon layer including a carbon material, and a metal deposition layer positioned on the carbon layer and including lithiophilic metal particles.

Abstract: The present disclosure relates to a cathode active material for an all-solid-state battery with a controlled particle size and a method for preparing the same. In particular, the cathode active material includes lithium and a transition metal, wherein the cathode active material has a single peak in the range of 1 ?m to 10 ?m as a result of particle size distribution (PSD) analysis.

Abstract: Disclosed are a solid electrolyte and method of manufacturing the same. The solid electrolyte may include a core including a first electrolyte represented by Chemical Formula 1, and a shell including a second electrolyte represented by Chemical Formula 2, and disposed on a surface of the core. LiaPSbX1c??[Chemical Formula 1] Here, a satisfies an equation 4?a?7, b satisfies an equation 3?b?7, c satisfies an equation 0?c?2, and X1 includes Br or I. LidPSeX2f??[Chemical Formula 2] Here, d satisfies an equation 4?d?7, e satisfies an equation 3?e?7, f satisfies an equation 0?f?2, X2 includes Cl or Br, and an ionic radius of X1 is greater than an ionic radius of X2.

Abstract: An apparatus for manufacturing an all-solid-state battery includes: a mold unit which includes a first hole extending vertically so as to have a shape and a width identical with a shape and a width of the all-solid-state battery, and a second hole extending horizontally so as to horizontally communicate with the first hole; a first pressing unit which includes a first protrusion member corresponding to the first hole, which is coupled with an upper part of the mold unit, and which presses downwards raw materials of the all-solid-state battery filling the first hole, and a second pressing unit which includes a second protrusion member corresponding to the first hole, which is coupled with a lower part of the mold unit, and which presses upwards the raw materials of the all-solid-state battery filling the first hole.

Abstract: A flexible self-supporting solid electrolyte membrane, an all-solid-state battery including the membrane, and a manufacturing method thereof are disclosed. The solid electrolyte membrane may include: a substrate including pores therein; and a solid electrolyte layer disposed on at least one surface of the substrate and including a solid electrolyte and a cured compound. At least a portion of the solid electrolyte layer may penetrate into the pores of the substrate to form a conduction path of lithium ions in a thickness direction of the substrate.

Abstract: Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200° C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.

Abstract: Disclosed are an all-solid-state battery including symmetrically arranged reference electrodes, a device for manufacturing the same, and a method of manufacturing using same.

Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3<b<6, 0<c?1, 0<d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).

Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3<b<6, 0<c?1, 0<d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).

Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3?b?6, 0?c?1, 0?d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).

Abstract: Disclosed are an all-solid-state battery having high energy density and a method for manufacturing the same. One battery structure is pressed instead of pressing each cell unit, an amount of first or second electrode current collectors consumed is reduced, and insulating members are used, thereby simplifying a manufacturing process of the all-solid-state battery and allowing the all-solid-state battery to have high energy density and a stable structure.

Abstract: A method of manufacturing an all-solid-state battery electrode, an all-solid-state battery electrode manufactured by the method, and an all-solid-state battery including the electrode are disclosed. In the method, a specific type of binder included in the electrode is prepared in a fiber form by applying pressure to the binder under specific conditions, so that the fiber-form binder thus prepared has an average fineness that satisfies a specific range. Therefore, the all-solid-state battery including the electrode has an advantage of having high capacity even in the case of electrode thickening for high loading.

Abstract: Disclosed is an anode for an all-solid-state battery containing no active material. The anode for an all-solid-state battery includes an anode current collector, and a composite layer disposed on the anode current collector and including a carbon material and a metal capable of being alloyed with lithium. The carbon material includes a plurality of primary particles that do not agglomerate with one another.

Abstract: A battery case includes an upper plate portion and a lower plate portion that are spaced apart from each other in vertical direction to form an inner space therebetween. Battery cells are stacked in the inner space in the vertical direction and a pressing portion is disposed in a first space between the upper plate portion and an uppermost one of the battery cells. The pressing portion presses the stacked battery cells downwards from above due to gravity. A damping portion is disposed in a second space between the upper plate portion and the upper surface of the pressing portion. The upper end of the damping portion is supported by the upper plate portion and the lower end of the damping portion supports the pressing portion.

Abstract: A method of manufacturing an all-solid-state battery includes preparing a solid electrolyte layer, providing lithium metal to the solid electrolyte layer to prepare a stack, and radiating ultrasonic waves or sound waves to the stack. The method provides an all-solid-state battery with a stable interface between an anode formed of lithium metal and a solid electrolyte layer.

Abstract: An embodiment anode for an all-solid-state battery includes an anode current collector, and a coating layer disposed on the anode current collector, wherein the coating layer is a thin film including at least one metal selected from the group consisting of alkaline earth metals, Group 4 to 9 transition metals, Group 13 metals, or combinations thereof.

Abstract: An argyrodite-based solid electrolyte may contain a compound having a novel composition calculated by simulation of Ab initio molecular dynamics (AIMD). The solid electrolyte containing a compound having a novel composition that satisfies a certain range of monoatomic disorder (è) and a certain range of standard deviation (STD) of the size of the area formed as migration paths of Li metals, which are calculated by AIMD simulation, has an advantage of excellent ion conductivity due to promoted diffusion of monoatoms in the area.

Abstract: An embodiment anode active material for an all-solid-state battery includes a carbon-based material including carbon-based particles and a coating layer formed on a surface of the carbon-based particles, the coating layer comprising amorphous carbon, and a silicon-based material. An embodiment method of manufacturing an anode active material for an all-solid-state battery includes manufacturing a carbon-based material by forming a coating layer including amorphous carbon from a hydrocarbon gas on a surface of carbon-based particles through thermal chemical vapor deposition, manufacturing a silicon-based material through thermal chemical vapor deposition using a feed comprising silane gas and ammonia gas, and mixing the carbon-based material and the silicon-based material.

Abstract: An improved, low porosity, solid electrolyte membrane and a method of manufacturing the solid electrolyte membrane are provided. The low porosity, solid electrolyte membrane significantly improves both mechanical strength and porosity of the membrane, inhibits the growth of lithium dendrites (Li dendrites), and thereby maintains and maximizes electrochemical stability of an all-solid-state battery. This is accomplished by wet-coating a sulfide or oxide solid electrolyte particle with a thermoplastic resin, or a mixture of the thermoplastic resin and a thermosetting resin, using a solvent to prepare a composite and hot-pressing the composite at a relatively low temperature and at a low pressure.