Hyundai Motor Company

Kia Motors Corporation

Lg Electronics Inc.

Industry-University Cooperation Foundation Hanyang University

Kia Corporation

Lg Philips Lcd Co., Inc.

Goldstar, Co., Ltd.

Ulsan National Institute of Science and Technology

Pusan National University

Miraenanotech Co., Ltd.

Sung Woo Noh

Yong Sub Yoon

Dong Wook Shin

Oh Min Kwon

Hong Seok Min

Sun Choi

Chan Hwi Park

Kyung Su Kim

In Woo Song

Yun Sung Kim

Ju Yeong Seong

A Reum Ha

Lak Young Choi

Yong Jun Jang

Chul Han Park

Keun Y Yang

Young Wan Kwon

Jong Weon Moon

Seon Gyoung Kim

Moon Ju Cho

Sang Heon Lee

Yong Seok Choi

Seung Hyun Oh

Yong Kim

Pil Gun Oh

Jong Uk Bu

Jae Phil Cho

In Chul Kim

Jin Oh Son

Heon Cheol Shin

O Min Kwon

Jeong Hyun Seo

Je Sik Park

Chung Bum Lim

Im Sul Seo

Ji Ung Jeong

Yong Guk Gwon

Seong Hyeok Ha

Hyo Myoung Lee

Hak Chung Lee

Joon Hwan Lee

Seun Ho Kim

A cathode material for sulfide-based all-solid-state batteries, in which LiV(PO)(LVP) is doped with a transition metal having an oxidation number of +5 or more and the surface of the cathode material is substituted with a halogen element so as to have improved surface stability and energy density and to suppress side reactions with a solid electrolyte, a manufacturing method thereof, and an all-solid-state battery using the same.

Cathode material for sulfide-based all-solid-state batteries, manufacturing method thereof, and all-solid-state battery using the same

A cathode active material for an all-solid-state battery includes: active material particles; and a coating layer covering at least a portion of the surface of the active material particles, wherein the coating layer includes lithium (Li), niobium (Nb), and at least one element selected from the group consisting of vanadium (V), zirconium (Zr) and combinations thereof.

Cathode active material for all-solid-state battery comprising coating layer including ternary oxide and method of manufacturing same

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.

Apparatus for manufacturing all-solid-state battery comprising reference electrode and manufacturing method using same

Provided are an anode for an all solid cell and a method of fabricating the same. The anode may include an anode current collector, a conductive material of which one end contacts a part of the anode current collector, a conductive coating layer surrounding the conductive material, an anode active material which contacts the other end of the conductive material, and a solid electrolyte. The conductive coating layer may prevent the conductive material and the solid electrolyte from being electrically connected to each other.

Anode for all solid cell and fabrication method of the same

Disclosed is an anodeless-type all-solid-state battery. The all-solid-state battery includes a plurality of recesses formed in an electrolyte layer and to be depressed from a surface of the electrolyte layer contacting an anode collector and thus serve as spaces for lithium to reversibly precipitate.

All-solid-state battery comprising electrolyte layer having recess pattern

A solid electrolyte sheet for all-solid batteries has a carrier film including poly (methyl methacrylate) and an ionic conductive material, and has a solid electrolyte slurry coated on the carrier film. The solid electrolyte sheet and an all-solid battery including such a solid electrolyte sheet can realize formation of a solid electrolyte layer as a thin film and can prevent a short-circuit upon stacking a positive electrode and a negative electrode. The solid electrolyte sheet and the all-solid battery can prevent yield decrease resulting from a short-circuit of the all-solid battery and can minimize supernumerary pores due to ionic conductive material incorporated into the solid electrolyte layer to suppress formation of lithium dendrites.

Solid electrolyte sheet for all-solid battery, a method of manufacturing same, and an all-solid battery including same

Provided is a method for preparing a needle-like sulfide-based solid electrolyte. The method may include: preparing a solid electrolyte admixture comprising an organic solvent, LiS, PS, and LiCl; synthesizing a solid electrolyte by stirring the solid electrolyte admixture at a temperature of about 30 to 60&#xb0; C. for about 22 to 26 hours; first stirring the solid electrolyte at a speed of about 80 to 120 rpm for about 5 to 10 minutes; after the first stirring, second stirring the first stirred solid electrolyte at a speed of about 250 to 300 rpm; vacuum-drying the second stirred solid electrolyte for about 12 to 24 hours; and heat-treating the vacuum-dried solid electrolyte at a temperature of about 350 to 550&#xb0; C. for about 1 to 5 hours.

Method for preparing needle-like sulfide-based solid electrolyte

Provided is an electrode active material slurry including a clustered complex and a slurry, wherein the clustered complex includes an electrode active material, a solid electrolyte, a conductive material, and a first binder, and the slurry includes a solvent and a second binder. The electrode active material slurry may include the clustered complex including the first binder and the slurry including the second binder so as to decrease a surface area of the overall complex, such that adhesion property with the current collector may be sufficiently secured even by using a small amount of binder, and performance of the all-solid secondary battery may be further improved.

Electrode active material slurry, preparation method thereof, and all-solid secondary battery comprising the same

Battery anode for an all solid cell

Disclosed is a method of manufacturing an all-solid state battery. The method includes coating a first slurry or composition having on a substrate to form a first electrolyte layer a predetermined thickness, coating a second slurry or composition on the first electrolyte layer to form a second electrolyte layer having a predetermined thickness, laminating an electrode layer on the second electrolyte layer, bonding the electrode layer to the second electrolyte layer through pressing, and removing the substrate from the first electrolyte layer. The first slurry or composition of the first electrolyte layer has content of a binder less than that of the second slurry or composition of the second electrolyte layer, and thus, the substrate may be easily removed from the first electrolyte layer.

Electrolyte layer for all-solid state battery and method of manufacturing all-solid state battery using the same

A fabrication method of an electrode for an all solid cell includes: providing a sulfide-based solid electrolyte; forming a coating layer on a surface of the sulfide-based solid electrolyte by heating a nonmetallic oxide at 300 to 700&#xb0; C.; forming electrode slurry by mixing an electrode active material, the sulfide-based solid electrolyte formed with the coating layer, and a conductive material with a polar solvent; casting the electrode slurry on at least one surface of an electrode current collector; removing the polar solvent by heating the cast electrode slurry at 100 to 300&#xb0; C.; and removing the coating layer by heating the electrode slurry from which the polar solvent is removed at 300 to 700&#xb0; C.

Fabrication method of electrode for all solid cell

A hologram diffuser for a liquid crystal display wherein a resin layer with a desired thickness is formed on an upper substrate. A hologram pattern is formed in the resin layer using a hologram plate. A smoothing film with a desired thickness is formed on the hologram layer provided with the hologram pattern. Accordingly, it is possible to assure a wide visual angle and realize a high picture quality.

Method of fabricating hologram diffuser for liquid crystal display and liquid crystal display device using the same

A hologram diffuser for a liquid crystal display wherein a resin layer with a desired thickness is formed on an upper substrate. A hologram pattern is formed in the resin layer using a hologram plate. A smoothing layer with a desired thickness is formed on the hologram layer provided with the hologram pattern. Accordingly, it is possible to assure a wide visual angle and realize a high picture quality.

An optical storage apparatus, using the near field optical effect, performs tracking along a track of a recording medium to reproduce information recorded on the recording medium without error. The optical storage apparatus includes a first probe to read information recorded on the recording medium and at least two to judge if the track direction of the recording medium is in accordance with the information scanning direction of the first probe. The apparatus also includes a probe actuator to adjust the tracking direction of the first and second probes using a tracking control signal, and a number of sensors to sense the intensity of radiation probed by the first and second probes and to generate tracking signals corresponding to the sensed radiation. The apparatus also includes a controller to generate a tracking control signal using the tracking signals, and to provide the tracking control signal to the probe actuator.

Tracking control method for optical storage apparatus using near field optical effect and optical probes

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Seoul, South Korea

Sung Woo Noh