Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Saebom Ryu

Yonggun Lee

Toshinori Sugimoto

Wonseok Chang

Dongmin Im

Yooseong Yang

Soyeon Kim

Hyunseok Kim

Yuichi Aihara

Seoksoo Lee

Joonseon Jeong

Taehwan Yu

Jusik Kim

Victor Roev

Myungjin Lee

Hongsoo Choi

Junhwan Ku

SeWon Kim

Hyorang Kang

Joungwon Park

Youngeal Kim

Sewon Kim

A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1,LiMPSBrX.  Formula 1wherein Formula 1,

Solid electrolyte, electrochemical battery including the solid electrolyte, and method of preparing the solid electrolyte

An all-solid-state secondary battery includes: a cathode layer including a cathode active material, an anode layer including an anode current collector and an anode active material layer disposed on the anode current collector, the anode active material layer including an anode active material and amorphous carbon, and a solid electrolyte layer disposed between the cathode active material layer and the anode active material layer, wherein a weight ratio of the anode active material to the amorphous carbon is 1:3 to 1:1, and the anode layer has sheet resistance of about 0.5 milliohms-centimeters or less.

All-solid-state secondary battery

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

An all-solid secondary battery including: a cathode layer including a cathode active material layer; an anode layer; and a solid electrolyte layer including a solid electrolyte, wherein the solid electrolyte layer is disposed between the cathode layer and the anode layer, wherein the anode layer includes an anode current collector, a first anode active material layer in contact with the solid electrolyte layer, and a second anode active material layer disposed between the anode current collector and the first anode active material layer, wherein the first anode active material layer includes a first carbonaceous anode active material, and the second anode active material layer.

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

A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1,LiMPSBrX.&#x2003;&#x2003;Formula 1wherein Formula 1,

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 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 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.

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

A negative electrode for a lithium metal battery, the negative electrode including: a lithium metal electrode comprising lithium metal or a lithium metal alloy; and a protective layer on at least a portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 10Pascals or greater, wherein the protective layer includes at least one first particle, wherein the first particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and wherein the first particle has a particle size of greater than 1 micrometer to about 100 micrometers, and a crosslinked material comprising a polymerizable oligomer, which is disposed between first particles of the at least one first particle.

Growing community of inventors

Suwon-si, South Korea

Saebom Ryu