Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Posco Jk Solid Solution Co., Ltd.

Hyorang Kang

Wonseok Chang

Yonggun Lee

Toshinori Sugimoto

Jirae Kim

Minsuk Lee

Soyeon Kim

Dongmin Im

Myungjin Lee

Hongsoo Choi

Junhwan Ku

Joungwon Park

Shintaro Kitajima

Dooyeon Lee

Youngeal Kim

Jirai Kim

Kihyun Kim

Hyunseok Kim

Jusik Kim

Wooyoung Yang

Hosang Park

Yooseong Yang

Seoksoo Lee

Kihong Kim

Nobuyuki Imanishi

Joonseon Jeong

Jenam Lee

Osamu Yamamoto

Jaeeun Kim

Tomonobu Mizumo

Junhyuk Moon

Taeheung Kim

Duckki Yoon

Hyungsik Lim

An anodeless lithium metal battery includes: a cathode including a cathode current collector and a cathode active material layer on the cathode current collector; an anode current collector on the cathode; a composite electrolyte between the cathode and the anode current collector, wherein the composite electrolyte, wherein the composite electrolyte includes a first liquid electrolyte and a metal comprising at least one of a lithium metal and a lithium metal alloy; and a liquid-impermeable ion-conductive composite membrane between the cathode and the composite electrolyte.

Anodeless lithium metal battery and method of manufacturing the same

An anodeless lithium metal battery includes: a cathode including a cathode current collector and a cathode active material layer on the cathode current collector; an anode current collector on the cathode; and a composite electrolyte between the cathode and the anode current collector, wherein the composite electrolyte includes a first liquid electrolyte and at least one of lithium metal or a lithium metal alloy.

An all-solid secondary battery and a method of manufacturing the all-solid secondary battery. The all-solid secondary battery includes: an anode including an anode current collector and a first anode active material layer; a cathode including a cathode active material layer; and a solid electrolyte layer between the anode and the cathode, wherein the first anode active material layer includes an anode active material and an ionic compound, the ionic compound includes a binary compound, a ternary compound, or a combination thereof, and the ionic compound does not include a plurality of sulfur (S) atoms.

All-solid secondary battery and method of manufacturing all-solid secondary battery

A sulfide solid electrolyte includes: an ionic conductor including a PSunit, a PSunit, and a PSunit; and a lithium compound containing a halogen element, wherein a molar ratio of the PSunit to the PSunit is about 1:1 to about 5:1, and a molar amount of the PSunit with respect to the total molar amount of the PSunit, the PSunit, and the PSunit is greater than 0 to about 60%.

Sulfide-based solid electrolyte, all-solid secondary battery including the same, and method of preparing the sulfide-based solid electrolyte

An all-solid secondary battery including: an anode layer including a first anode active material layer; a cathode layer including a cathode active material layer; a solid electrolyte layer between the anode layer and the cathode layer; and an anode current collector on the anode layer and opposite the solid electrolyte layer, wherein a maximum roughness depth Rof a surface of the first anode active material layer is about 3.5 micrometers or less.

All-solid secondary battery and method for preparing all-solid secondary battery

An all-solid secondary battery includes an anode layer; a cathode layer; a solid electrolyte layer interposed between the anode layer and the cathode layer, and including a first solid electrolyte; and a first bonding layer disposed between the cathode layer and the solid electrolyte layer, and comprising a second solid electrolyte, wherein the anode layer includes an anode current collector and an anode active material layer disposed on the anode current collector, and the anode active material layer includes a binder and an anode active material, wherein the cathode layer includes a cathode current collector and a cathode active material layer disposed on the cathode current collector, and wherein the second solid electrolyte has a Young's modulus which is less than a Young's modulus of the first solid electrolyte.

All-solid secondary battery and method of manufacturing the same

A membrane-electrode assembly for a lithium battery includes: a cathode including a cathode current collector and a composite cathode active material layer on the cathode current collector, wherein the composite cathode active material layer includes a cathode active material and a first electrolyte including a high concentration lithium salt and a first ionic liquid; an electrolyte reservoir layer on a surface of the cathode, wherein the electrolyte reservoir layer includes a second electrolyte including a polymer and a second ionic liquid; and a solid electrolyte on a surface of the electrolyte reservoir layer.

Membrane-electrode assembly for lithium battery, method of manufacturing the same, and lithium battery including the same

A rolling device for an electrode including an all-solid electrolyte layer, the rolling device including: a first roller including a plurality of first protrusions protruding from a surface of the first roller; and a second roller opposite the first roller, wherein the second roller comprises a plurality of second protrusions on a surface of the second roller.

Rolling device for electrode

A lithium metal battery includes: a positive electrode, a negative electrode including lithium, a liquid electrolyte disposed between the positive electrode and the negative electrode, and a protective layer disposed on at least a portion of the negative electrode, wherein the protective layer includes a first polymer selected from at least one of a poly(vinyl alcohol) and a poly(vinyl alcohol) blend.

Lithium metal battery

A lithium battery includes an anode, a cathode, and a protective film disposed on at least one of the anode and the cathode, in which the protective film includes a compound including: i) at least one element selected from a Group 13 element, a Group 14 element, a Group 15 element, and a first Group 16 element; and ii) a second Group 16 element, in which the first Group 16 element is different from the second Group 16 element.

Lithium battery and method of manufacturing the same

An electrolyte including a block copolymer containing a co-continuous domain including an ion conductive phase and a structural phase, wherein the structural phase includes a polymer segment having a glass transition temperature that is equal to or lower than room temperature.

Electrolyte, method of preparing the electrolyte, and secondary battery including the electrolyte

An electrolyte composite including a first block copolymer and a lithium ion conductor, wherein the first block copolymer includes i) a structural domain and ii) at least one of a rubbery domain and an ion conductive domain, wherein the structural domain includes a polymer segment including a structural repeating unit, wherein the rubbery domain includes a polymer segment including a rubbery repeating unit, and wherein the ion conductive domain includes a polymer segment including an ion conductive repeating unit.

Electrolyte composite and negative electrode and lithium second battery including the electrolyte composite

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Anyang-si, South Korea

Hyorang Kang