Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Hongsoo Choi

Wonseok Chang

Yonggun Lee

Jenam Lee

Toshinori Sugimoto

Myungjin Lee

Yooseong Yang

Tomonobu Mizumo

Dongmin Im

Soyeon Kim

Dongjin Lee

Jinho Kim

Young Hun Sung

Hyunseok Kim

Victor Roev

Tae Won Song

Ju Wan Lim

Hyorang Kang

Hyeokjo Gwon

Seoksoo Lee

Joungwon Park

Yoonhyun Kwak

Jusik Kim

Jinkyu Kim

Sangbok Ma

Hosang Park

Saebom Ryu

Joonseon Jeong

Minsik Park

Sungjun Park

A positive electrode includes a composite material including a positive active material and a coating layer on a surface of the positive active material, wherein the coating layer includes a copolymer including a first repeating unit represented by Formula 1 below and a second repeating unit represented by Formula 2 below: wherein Ar, Rto R, A, A, Y, m, and n are the same as defined in the specification.

Positive electrode and lithium battery including the same

A metallic salt including at least one anion having a heterocyclic aromatic structure represented by one of Formulae 1 to 3; and a metallic cation: wherein, in Formulae 1 to 3, each X is independently N, P, or As, one of Aand Ais an electron-donating group, and the other one is an electron-withdrawing group, ring Arand ring Arare as defined herein, L is a linker group as defined herein, m is an integer from 1 to 5, and n is an integer from 0 to 5.

Metallic salt containing anion having heterocyclic aromatic structure, method of preparing the metallic salt, and electrolyte and electrochemical device each including the metallic salt

A positive electrode includes a composite material including a positive active material and a coating layer on a surface of the positive active material, wherein the coating layer includes a copolymer including a first repeating unit represented by Formula 1 below and a second repeating unit represented by Formula 2 below:   Y, m, and n are the same as defined in the specification.

A battery charging control method and apparatus is disclosed. The battery charging control method includes inputting a preset magnitude of a current to a battery during a preset period of time, identifying a diffusion characteristic of a material in the battery, and determining whether to change the magnitude of the current to be input to the battery based on the identified diffusion characteristic of the material, in which the diffusion characteristic may be determined based on a distribution of the material in one or more of a cathode of the battery, an anode of the battery, and an electrolyte of the battery in response to the input of the current in the battery.

Method and apparatus controlling charging of battery based on diffusion characteristics of material included in the battery

A composite electrolyte including a lithium salt; a solid electrolyte wherein the solid electrolyte is a sulfide solid electrolyte, an oxide solid electrolyte, or a combination thereof; and an ionic liquid, wherein a mixture of the ionic liquid and the lithium salt has a dielectric constant of from about 4 to about 12, and an amount of halogen ions eluted from the composite electrolyte after immersion of the solid electrolyte in the ionic liquid for 24 hours is less than about 25 parts per million by weight, based on the total weight of the composite electrolyte, as measured by ion chromatography.

Composite electrolyte, lithium metal battery comprising the same, and method of preparing the composite electrolyte

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

A sulfide solid electrolyte including: a sulfide electrolyte for a lithium battery; and a metal-organic framework.

Sulfide-based solid electrolyte for lithium battery, method of preparing the same, and lithium battery including the sulfide-based solid electrolyte

A composite membrane for a secondary battery, including: a nanostructure including a cross-linked polymer including a repeating unit represented by Formula 1 and a unit derived from a crosslinking compound:  and Yare the same as described in the specification.

Composite membrane for secondary battery, method of preparing the same, and secondary battery including the same

A composite membrane for a lithium battery, a cathode for a lithium battery, and a lithium battery including the composite membrane. The composite membrane includes a copolymer including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: wherein Ar, R, R, R, A, Y, and m in Formula 1, and Rto R, a, and n in Formula 2, are the same as defined in the specification.

Composite membrane for lithium battery, cathode for lithium battery, and lithium battery comprising the composite membrane

An electrolyte for a secondary battery, the electrolyte including an ionic liquid polymer including a repeating unit represented by Formula 1: 

An electrolyte membrane for an energy storage device, an energy storage device including: a matrix including an ionically conductive polymer composition including a polymer and a lithium salt; and a metal-organic framework in the matrix, wherein the metal-organic frame work is in the form of a plurality of primary particles, each having diameter distribution represented by Inequation 1:0&#x3c;&#x3c3;/&#x3bc;&#x3c;1.0&#x2003;&#x2003;Inequation 1wherein, in Inequiation 1, &#x3c3;is a diameter variance for the plurality of primary particles obtained by dynamic laser scattering, and &#x3bc; is an average particle diameter of the plurality of primary particles.

Electrolyte membrane for energy storage device, energy storage device including the same, and method of preparing the electrolyte membrane for energy storage device

An electrolyte composition for a lithium battery includes a block copolymer and a nanoparticle composite dispersed in the block copolymer. The block copolymer includes a structural domain including a polymer having a structural repeating unit; and an ion conductive domain including a polymer having an ion conductive repeating unit, a rubbery domain including a polymer having a rubber repeating unit, or a hard domain comprising a polymer having an olefin-based repeating unit.

Electrolyte, and negative electrode and lithium battery including the same

An electrolyte including a copolymer including (i) an ion-conductive domain including an ion-conductive segment of the copolymer, wherein the ion-conductive segment includes a plurality of ion-conductive units, and (ii) a structural domain including a structural segment of the copolymer, wherein the structural segment includes a plurality of structural units, wherein the ion-conductive domain and the structural domain are covalently linked, and a polymer network phase coupled to the ion-conductive domain.

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Seoul, South Korea

Hongsoo Choi