Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Mie University

Yonggun Lee

Wonseok Chang

Toshinori Sugimoto

Hongsoo Choi

Saebom Ryu

Dongmin Im

Yooseong Yang

Jenam Lee

Myungjin Lee

Hyorang Kang

Soyeon Kim

Joungwon Park

Tomonobu Mizumo

Yuichi Aihara

Nobuyuki Imanishi

Joonseon Jeong

Osamu Yamamoto

Taehwan Yu

Shintaro Kitajima

Jirai Kim

Jusik Kim

Jinkyu Kim

Hosang Park

Seoksoo Lee

Dahye Park

Jehwon Choi

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.

Anodeless lithium metal battery and method of manufacturing the same

A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 10pascals or greater and includes at least one particle having a particle size of greater than 1 micrometer to about 100 micrometers, and wherein the at least one particle include an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof.

Negative electrode for lithium metal battery and lithium metal battery comprising the same

A composite electrolyte includes: a positively charged particle, a particle that is positively charged by having a coordinate bond with a cation, or a combination thereof; and a lithium salt.

Composite electrolyte, protective film including composite electrolyte, protected negative electrode including the protective film, and lithium metal battery including the protected

A composite separator includes: a porous substrate; and a composite electrolyte on a surface of the porous substrate, the composite electrolyte including block copolymer, an ionic liquid, and a particle, wherein a size of the particle is larger than a pore size of the porous substrate, the particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and the particle has a particle size of greater than about 1 micrometer to about 100 micrometers.

Composite separator, method of preparing the same, and lithium secondary battery including the same

An electrolyte for a secondary battery, the electrolyte including an ionic liquid polymer including a repeating unit represented by Formula 1: wherein, in Formula 1, CY, R, R, R, X, n, and m are the same as described in the specification.

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

An electrolyte for a lithium secondary battery, the electrolyte including: a block copolymer including a structural domain and a rubbery domain, wherein the structural domain includes a structural block including a plurality of structural repeating units, and wherein the rubbery domain includes a rubbery block including a plurality of rubbery repeating units.

Electrolyte for lithium second battery, and lithium second battery comprising the electrolyte

An anodeless coating layer for an all-solid battery, the anodeless coating layer includes: an anode active material capable of forming an alloy with lithium or a compound with lithium; and a binder, wherein the binder includes a block copolymer including a conductive domain, a non-conductive domain, or a combination thereof, and wherein the conductive domain includes an ion-conductive domain, an electron-conductive domain, or a combination thereof.

Anodeless coating layer for all-solid-state battery and all-solid-state battery including anodeless coating layer

An all-solid secondary battery including: a cathode; an anode; and a solid electrolyte layer interposed between the cathode and the anode, wherein the cathode includes a cathode active material, wherein the anode includes an anode current collector and an anode active material layer on the anode current collector, wherein the anode active material layer includes a binder and an anode active material that does not include an alkali metal, wherein the binder includes a polymer main chain and a polyvinyl alcohol-containing copolymer, and wherein the polymer main chain includes polyvinyl alcohol, a polyvinyl alcohol derivative, or a combination thereof, and the polyvinyl alcohol-containing copolymer has at least one repeating unit linked to the polymer main chain.

All-solid secondary battery and method of manufacturing the same

A composite electrolyte structure includes: a protective layer having a Young's modulus of about 10pascals or greater and including a first particle, the first particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the particle in the protective layer has a particle size of greater than 1 micrometer to about 100 micrometers, and a solid electrolyte layer including a second particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the second particle has a particle size of greater than 1 micrometer to about 100 micrometers, wherein the first particle and the second particle are the same or different, and wherein the protective layer is on the solid electrolyte layer.

Composite electrolyte structure and lithium metal battery including the same

A negative electrode for a lithium metal battery, the negative electrode including: a lithium metal layer including lithium metal or a lithium metal alloy; and a protective layer on at least a portion of the lithium metal layer, wherein the protective layer includes a plurality of composite particles having a particle size of greater than about 1 micrometer to about 100 micrometers or less, wherein a composite particle of the plurality of composite particles comprises a particle comprising an organic particle, an inorganic particle, an organic-inorganic particle, or combination thereof; and a coating layer disposed on at least a portion of a surface of the particle, the coating layer including an ion conductive material including an ion conductive oligomer including an ion conductive unit, an ion conductive polymer including an ion conductive unit, or a combination thereof.

Negative electrode for lithium metal battery, method of preparing negative electrode, and lithium metal battery including the same

A negative electrolyte for a lithium metal battery, the negative electrolyte including: a non-aqueous solvent comprising an ether solvent; a lithium salt having a concentration of about 1 molar to about 6 molar in the non-aqueous solvent; and a crosslinked product of a polymerizable oligomer, wherein the negative electrolyte has a gel or solid form.

Negative electrolyte for lithium metal battery, lithium metal battery including the same, and method of manufacturing lithium metal battery

A composite solid electrolyte includes: a lithium ion conductive solid electrolyte; and a polymer-containing electrolyte coating layer on a surface of a lithium ion conductive solid electrolyte, wherein the polymer-containing electrolyte coating layer includes an ion conductive polymer having an alkylene oxide segment.

Composite solid electrolyte, protected anode and lithium battery including the same, and method of preparing the composite solid electrolyte

A negative electrode for a metal battery, the negative electrode a metal substrate; and a protective layer disposed directly on at least a portion of the metal substrate, wherein the protective layer comprises an ion-conductive oligomer, wherein the ion-conductive oligomer comprises an ion-conductive structural unit in at least one of a main chain and a side chain of the an ion-conductive oligomer, and at least two hydrogen-bond-forming functional groups at different ends of the ion-conductive oligomer, and wherein the protective layer has a thickness of 5 micrometers or less.

Growing community of inventors

Incheon, South Korea

Yonggun Lee