Samsung Electronics Co., Ltd.

Florida State University Research Foundation, Inc.

Sungkyun Jung

Jusik Kim

Hyeokjo Gwon

SeWon Kim

Ryounghee Kim

Lincoln James Miara

Yan E Wang

Gabin Yoon

Naoki Suzuki

Satoshi Fujiki

Tomoyuki Tsujimura

Yan-Yan Hu

Jeongju Cho

Sawankumar Patel

Victor Roev

Wooyoung Yang

Myungjin Lee

Valentina Lacivita

Sewon Kim

A solid electrolyte including a compound represented by Formula 1 or 3, the compound having a glass transition temperature of −30° C. or less, and a glass or glass-ceramic structure,AQX-GaM(FCl)Z  Formula 1

Solid electrolyte, method of preparing the same, and electrochemical device including the same

A solid ion conductor including a garnet-type oxide represented by LiM1LaM2ZrM3M4OX(Formula 1), a solid electrolyte including the solid ion conductor, an electrochemical device including the ion conductor, and a method of preparing the ion conductor are disclosed. In Formula 1, M1 is a monovalent cation, a divalent cation, a trivalent cation, or a combination thereof, M2 is a monovalent cation, a divalent cation, a trivalent cation, or a combination thereof, M3 is a divalent cation, a trivalent cation, a tetravalent cation, a pentavalent cation, a hexavalent cation, or a combination thereof, M4 is Ir, Ru, Mn, Sn, or a combination thereof, X is a monovalent anion, a divalent anion, a trivalent anion, or a combination thereof, and 6≤A≤8, 0≤B<2, 2.8≤C≤3, 0≤D≤0.2, 0<E<2.0, 0<F<2.0, 0<G≤0.2, 9≤H≤12, and 0≤I≤2 are satisfied.

Solid ion conductor, solid electrolyte including the same, electrochemical device including the same, and preparation method thereof

A solid electrolyte includes: a crystalline composite, wherein the composite is a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof:3LiF-M1O  Formula 1

Solid electrolyte, preparation method thereof, and electrochemical device including the same

Solid conductor, preparation method thereof, solid electrolyte including the solid conductor, and electrochemical device including the solid conductor

A composite solid electrolyte including a first solid electrolyte layer including a halide solid electrolyte, a second solid electrolyte layer including an oxide solid electrolyte, a lithium ion-conductive interlayer between the first solid electrolyte layer and the second solid electrolyte layer, wherein the lithium ion-conductive interlayer includes a composition in which a reaction energy of the lithium ion-conductive interlayer with respect to the first solid electrolyte is −50 meV/atom or greater.

Composite solid electrolyte, method of preparing the same, and electrochemical device including the same

A composite solid electrolyte including: a porous nanostructure; and a solid electrolyte disposed on a surface of the porous nanostructure, wherein the composite solid electrolyte satisfies Equation 10<<4  Equation 1wherein Tis a thickness of the solid electrolyte, and D is an average diameter of pores of the porous nanostructure.

Composite solid electrolyte, method of preparing composite solid electrolyte, and electrochemical battery including composite solid electrolyte

An oxide including a compound represented by Formula 1:(LiM1)(M2)(M3)OX&#x2003;&#x2003;Formula 1wherein, in Formula 1,

Oxide, method of preparing the same, solid electrolyte including the oxide, and electrochemical device including the oxide

An all-solid secondary battery, including: a cathode; an anode; and a solid electrolyte layer disposed between the cathode and the anode, wherein the anode comprises an anode current collector; a first anode active material layer in contact with the anode current collector and comprising a first metal; a second anode active material layer disposed between the first anode active material layer and the solid electrolyte layer and comprising a carbon-containing active material; and a contact layer between the second anode active material layer and the solid electrolyte layer, and disposed such that the contact layer prevents contact between the second anode active material layer and the solid electrolyte layer, wherein the contact layer comprises a second metal, and has a thickness less than a thickness of the first anode active material layer.

All-solid secondary battery and method of preparing the same

A solid electrolyte including a compound represented by Formula 1 or 3, the compound having a glass transition temperature of &#x2212;30&#xb0; C. or less, and a glass or glass-ceramic structure,AQX&#x2014;GaM(FCl)Z&#x2003;&#x2003;Formula 1wherein, in Formula 1,

A solid ion conductor compound includes a compound represented by Formula 1:LiHfMOZ&#x2003;&#x2003;Formula 1where, in Formula 1, M is an element having an oxidation number of a and a is 5, 6, or a combination thereof, Z is an element having an oxidation number of &#x2212;1, and 0&#x3c;x&#x3c;2, 0&#x2264;y&#x2264;2, and 0&#x3c;w&#x3c;6 and w=[(a&#x2212;4)&#xd7;x]+y.

Solid ion conductor compound, solid electrolyte comprising the same, electrochemical cell comprising the solid ion conductor compound, and preparation method thereof

An oxide includes a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof:LiTaMPQOX&#x2003;&#x2003;Formula 1wherein, in Formula 1,

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Suwon-si, South Korea

Sungkyun Jung