Hyundai Motor Company

Kia Motors Corporation

Industry-University Cooperation Foundation Hanyang University

Kia Corporation

Ulsan National Institute of Science and Technology

Pusan National University

Industry-University Cooperation Foundation

Unist (ulsan Nat. Inst. of Science and Technology)

Tokyo Institute of Technology, a Japanese National University Corp

Yong Sub Yoon

Hong Seok Min

Oh Min Kwon

Pil Gun Oh

Dong Wook Shin

Yong Jun Jang

Sung Woo Noh

Ju Yeong Seong

Sa Heum Kim

Kyung Su Kim

Chan Hwi Park

Sung Hoo Jung

Young Jin Nam

Dae Yang Oh

Yoon Seok Jung

Sun Choi

Jin Oh Son

Yun Sung Kim

Sang Heon Lee

Jae Min Lim

Sang Mo Kim

Lak Young Choi

Jin Soo Kim

In Woo Song

Hajime Tsuchiya

A Reum Ha

Yuki Sasaki

Moon Ju Cho

Seung Hyun Oh

Yong Kim

Jae Phil Cho

Hironari Takase

In Chul Kim

Heon Cheol Shin

Byung Jo Jeong

O Min Kwon

Ji Ung Jeong

Hori Satoshi

Yong Guk Gwon

Seong Hyeok Ha

Hyo Myoung Lee

Ryoji Kanno

Sasaki Yuki

Jong Yeob Park

Disclosed are a solid electrolyte material including a naturally abundant element as a base, having lithium ion conductivity equal or superior to those of conventional sulfide solid electrolyte materials, being relatively inexpensive, and having a crystal structure, a manufacturing method thereof, and a battery using the same. The solid electrolyte material may include a naturally abundant element as a base, have lithium ion conductivity equal or superior to those of conventional sulfide solid electrolyte materials, be relatively inexpensive, and have a crystal structure. The sulfide solid electrolyte material includes a sulfide compound represented by a formula of LiSiPS, and x and y satisfy conditions −0.040≤x≤0.095 and 0.036≤y≤0.192.

Sulfide solid electrolyte material, manufacturing method thereof and battery comprising 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

The present disclosure relates to a method for producing a cathode material and a cathode including a cathode material produced thereby. More specifically, the present disclosure provides a production method which improves process efficiency while improving cathode performance in consideration of the practical use of an all-solid-state battery in the production of a cathode for the all-solid-state battery.

Method for producing cathode material and cathode including cathode material produced thereby

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

A system and method of estimating the state of health of an all-solid-state battery are provided to detect the amount of hydrogen sulfide that is generated in all-solid-state battery cells and using the amount as a factor for estimating the state of health of the battery. The method of estimating a state of health (SOH) of an all-solid-state battery includes detecting whether hydrogen sulfide is generated in each cell of the all-solid-state battery, and estimating the state of health of the all-solid-state battery corresponding to an amount or an increase rate of generated hydrogen sulfide based on data prepared in advance.

System and method for estimating state of health of all-solid-state battery

The present disclosure relates to a binder solution for all-solid-state batteries. The binder solution includes a polymer binder, a first solvent, and an ion-conductive additive, wherein the ion-conductive additive includes lithium salt and a second solvent, which is different from the first solvent.

Binder solution for all-solid-state batteries, electrode slurry including the binder solution, and method of manufacturing all-solid-state battery using the electrode slurry

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

Disclosed are an all-solid battery and a method of manufacturing the same. The all-solid battery as disclosed herein may include current collectors having the same size for a cathode and an anode, the elongation areas of the cathode and the anode may be controlled due to the ductility of the current collectors during a pressing process. Thus, areas of the anode and the cathode may become different from each other upon the pressing, thus preventing a short-circuit fault from being formed at the edge portion thereof in the pressing process.

All-solid battery and method of manufacturing the same

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.

Low porosity solid electrolyte membrane and method for manufacturing the 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

Growing community of inventors

Soeul, South Korea

Yong Sub Yoon