Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Corning Incorporated

Taehwan Yu

Michael Edward Badding

Hyunseok Kim

Zhen Song

Jusik Kim

Wonseok Chang

Yonggun Lee

Myungjin Lee

Yooseong Yang

Saebom Ryu

Seoksoo Lee

Kihyun Kim

Youngsoo Kim

Dongjin Lee

Toshinori Sugimoto

Jongseok Moon

Joonseon Jeong

Kyueun Shim

Chansu Kim

Sungnim Jo

Sewon Kim

Edward Badding Michael

A solid electrolyte including: a lithium ion inorganic conductive layer; and an amorphous phase on a surface of the lithium ion inorganic conductive layer, wherein the amorphous phase is an irradiation product of the lithium ion inorganic conductive layer. Also, the method of preparing the same, and a lithium battery including the solid electrolyte.

Solid electrolyte, method of preparing the same, and lithium battery including the solid electrolyte

A positive electrode for a metal secondary battery includes a positive current collector; and a positive active material layer disposed on the positive current collector, wherein the positive active material layer includes: a positive active material, a salt including an alkali metal salt, an alkaline earth metal salts, or a combination thereof, and a polymeric first binder including a repeating unit represented by Formula 1 wherein R is a substituted or unsubstituted C2-C5 alkylene group, a substituted or unsubstituted C2-C6 alkoxylene group, a substituted or unsubstituted C2-C6 alkoxycarbonylene group, a substituted or unsubstituted C2-C6 alkylene oxide group, or a combination thereof, and n is an integer from 90 to 2,700. Also a metal secondary battery including the same.

Positive electrode for metal secondary battery and metal secondary battery including 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 polymer electrolyte including a copolymer having at least one first repeating unit represented by Formula 1 and at least one second repeating unit represented by Formula 2: 

Polymer electrolyte, method of preparing the polymer electrolyte, and lithium metal battery including the same

A polymer electrolyte including a polymerization product of a polymer having an unsaturated functional group at a terminal thereof and a fluoroalkylene chain, and an ion-conductive polymer having an unsaturated functional group at a terminal thereof, wherein the ion-conductive polymer having an unsaturated functional group at a terminal thereof is a polymer represented by Formula 1 or Formula 2, and the polymer having an unsaturated functional group at a terminal thereof and a fluoroalkylene chain is a compound represented by Formula 3, wherein Formulae 1 to 3 are the same as represented in the detailed description of the specification.

A lithium metal battery includes a lithium metal negative electrode; a positive electrode; and an electrolyte between the lithium metal negative electrode and the positive electrode, wherein the electrolyte includes a nonaqueous organic solvent, a lithium salt, and an inorganic additive, wherein the inorganic additive includes an inorganic oxide, and wherein the inorganic oxide includes at least one selected from a hydroxyl group and a C-Calkyl group attached to a surface of the inorganic oxide.

Lithium metal battery

Growing community of inventors

Seongnam-si, South Korea

Taehwan Yu