Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Industry-university Cooperation Foundation Hanyang University

Korea Institute of Science and Technology

Ulsan National Institute of Science and Technology

Pusan National University

Industry-university Cooperation Foundation

Ju Yeong Seong

Yong Jun Jang

Hong Seok Min

Yong Sub Yoon

Pil Gun Oh

Sa Heum Kim

Dong Wook Shin

In Woo Song

Yun Sung Kim

Chan Hwi Park

Jin Oh Son

Jae Min Lim

Sung Woo Noh

Sun Choi

Hyoung Chul Kim

Hun Gi Jung

Eu Deum Jung

A Reum Ha

Sang Heon Lee

Yong Kim

Jae Phil Cho

In Chul Kim

Sung Jun Choi

Ji Yae Do

Heon Cheol Shin

Seung Woo Lim

Bin Na Yoon

Ji U Ann

Jong Yeob Park

Jeong Hyun Seo

Je Sik Park

Chung Bum Lim

Im Sul Seo

Ji Ung Jeong

Yong Guk Gwon

Seong Hyeok Ha

Hyo Myoung Lee

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

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:LiPSNX&#x2003;&#x2003;[Formula 1]

Nitrogen-doped sulfide-based solid electrolyte for all-solid batteries

A method for preparing a solid electrolyte for an all-solid state battery, may include obtaining a slurry by dispersing a first raw material comprising lithium sulfide; and a second raw material selected from the group consisting of silicon sulfide, phosphorus sulfide, germanium sulfide, boron sulfide, and a combination thereof in a solvent; and drying the slurry.

Method for preparing solid electrolyte and all solid state battery including the same

The present disclosure relates to a method of manufacturing a cathode composite for an all-solid-state battery and a method of manufacturing an all-solid-state battery including the same. In particular, the present disclosure relates to a method of manufacturing a cathode composite for an all-solid-state battery in which the cathode composite is manufactured by mixing a solid electrolyte, a conductive material and a cathode active material with a solvent, and then performing two-step vacuum drying, whereby interfacial resistance between the cathode active material, the solid electrolyte and the conductive material is reduced to thus increase ionic conductivity, thereby improving battery performance and capacity, and a method of manufacturing an all-solid-state battery including the same.

Method of manufacturing cathode composite for all-solid-state battery and method of manufacturing all-solid-state battery comprising same

Disclosed is a solid electrolyte for an all-solid battery and a method of preparing the same. Particularly, the solid electrolyte may have an argyrodite-type crystal structure.

Solid electrolyte for all-solid battery having argyrodite-type crystal structure derived from single element and method of preparing the same

Disclosed are a method of manufacturing a solid electrolyte, a solid electrolyte manufactured using the method, and an all-solid cell including the solid electrolyte. The method includes preparing an electrolyte admixture including a solid electrolyte precursor and a solvent, drying the electrolyte admixture and removing the solvent from the electrolyte admixture to form a dry electrolyte mixture, and heat-treating the dry electrolyte mixture to form a crystallized solid electrolyte.

Method of manufacturing solid electrolyte for all-solid cells, solid electrolyte manufactured using the method, and all-solid cell including the solid electrolyte

A method of manufacturing a high-ion conductive sulfide-based solid electrolyte using dissolution-precipitation includes preparing a composite solvent including a first solvent including a cyano group and a second solvent having a polarity index of less than 4, introducing a raw material including lithium sulfide (LiS) and phosphorus pentasulfide (PS) into the composite solvent, and stirring the raw material to obtain a sulfide precipitate.

Method of manufacturing high-ion conductive sulfide-based solid electrolyte using dissolution-precipitation and composition used therefor

Disclosed is a method of manufacturing a solid electrolyte for an all-solid battery. The method may include preparing a solvent admixture comprising a first polar organic solvent containing a cyano group and a second polar organic solvent containing a hydroxyl group, preparing an electrolyte admixture by dissolving LiS, PSand LiCl in the solvent admixture, and preparing a solid electrolyte by stirring the electrolyte admixture. The method may further include precipitating the solid electrolyte by evaporating the solvent admixture, and heat treating the precipitated solid electrolyte. In particular, the solvent admixture may include the second polar organic solvent in an amount of about 0.01 to 0.03 wt % based on the total weight of the first polar organic solvent.

Method of manufacturing sulfide-based solid electrolyte for all-solid battery

Disclosed is a method of preparing a sulfide-based solid electrolyte for an all-solid battery having an argyrodite-type crystal structure through a solution process. The method including obtaining a precursor solution by dissolving lithium sulfide, phosphorus sulfide and a halogen compound in a solvent, obtaining a precursor powder by removing the solvent from the precursor solution. Solid electrolyte for an all-solid battery can be produced by such method.

Method of preparing sulfide-based solid electrolyte for all-solid battery having argyrodite-type crystal structure

A cathode material may include a coating layer capable of preventing transition metal cations from being diffused between a cathode active material and a solid electrolyte when an all-solid state battery is charged and discharged, and a method for preparing the same.

Cathode material for all-solid state battery including coating layer for preventing diffusion and method for preparing the same

Growing community of inventors

Gyeonggi-do, South Korea

Ju Yeong Seong