Abstract: Disclosed is a silver powder preparation method including a silver salt reduction step. The silver salt reduction step includes a reaction solution preparation step for preparing a first reaction solution and a second reaction solution and a precipitation step for allowing reaction between the first reaction solution and the second reaction solution to precipitate silver particles. The first reaction solution contains silver ions, ammonia, an alkali metal salt of an organic acid, and a phosphorous compound, and the second reaction solution contains a reducing agent. The content of the phosphorous compound and the reaction temperature of the precipitation step are adjusted so that the shrinkage rate of the silver powder is adjusted within a range of 5% to 20% at 500° C. when the reaction temperature is heated to 800° C. at a heating rate of 50° C./min.

Abstract: A display device includes multiple light emitting devices disposed on a substrate, each including a first electrode, an emission layer, and a second electrode, a pixel defining layer including multiple openings overlapping the first electrode in a plan view, an encapsulation layer covering the light emitting devices and including multiple first openings overlapping the pixel defining layer in a plan view, a bank disposed on the encapsulation layer, overlapping the first openings in a plan view, and including multiple second openings overlapping the light emitting devices in a plan view, a first color conversion layer, a second color conversion layer, and a transmission layer, each disposed inside the second openings, and a spacer disposed on the bank and including a colored material.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.

Abstract: Disclosed are a cathode material for a lithium secondary battery, which improves air exposure stability while having high energy density with a single cathode material, and a method for manufacturing the cathode material. The cathode material includes a Li—[Mn—Ti]—Al—O-based cathode active material and a carbon coating layer including pitch carbon and coated on a surface of the cathode active material.

Abstract: A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.

Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

Abstract: Disclosed herein is a positive electrode material for a lithium (Li) secondary battery. The positive electrode material includes a positive electrode active material including Li—[Mn—Ti]-M—O containing transition metal M to allow reversible intercalation and reversible deintercalation of Li, and the positive electrode active material is coated with Li3PO4 to form a coating layer on a surface thereof.

Abstract: Disclosed are an electrolyte solution and an additive thereof, which may increase electrochemical properties of a lithium secondary battery.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide.

Abstract: Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery.

Abstract: Disclosed is an additive for increasing the electrochemical properties of lithium secondary batteries.

Abstract: A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.

Abstract: Disclosed herein is a positive electrode material for a lithium secondary battery, which has a high energy density with only a single positive electrode material, and a lithium secondary battery including the same. A positive electrode active material is made of Li—[Mn—Ti]—O-based material and doped with Al.

Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below: