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Применить Всего найдено 9. Отображено 9.
01-12-2015 дата публикации

COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM BATTERY COMPRISING SAME, AND PRODUCING METHOD THEREOF

Номер: KR1020150134161A
Автор: SONG, YU MI, HONG MING ZI, KIM, JEONG HOON, PARK, DO HYUNG, KIM, MIN HAN, MOON, JOONG HO, PARK, HAN EOL, KIM, KYOUNG HYUN, KIM, DONG JIN, CHOI, JEON JIN, JEON, GYU RAN, KANG, SUN HO
Принадлежит:

Disclosed are: a composite positive electrode active material comprising a core including materials capable of occluding and releasing lithium, and a first coating layer formed on at least a part of the core, wherein the first coating layer includes zirconium oxide; a lithium battery comprising the same; and a producing method thereof. COPYRIGHT KIPO 2016 ...

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Номер записи: 1
17-05-2017 дата публикации

POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170054052A
Автор: KIM, JIN HWA, MOON, JOONG HO, CHOI, JEON JIN, SONG, YU MI, KIM, MIN HAN, PARK, DO HYUNG, KWON, SEON YOUNG
Принадлежит:

The present invention relates to a positive electrode for a lithium secondary battery which includes a positive electrode active material layer containing a positive electrode active material, and a polydopamine layer formed on the surface of the positive electrode active material layer; a preparing method thereof; and a lithium secondary battery comprising the positive electrode including the same. The positive electrode according to an embodiment of the present invention has remarkably improved impregnation properties of an electrolyte by having the polydopamine layer. By using the positive electrode, a lithium secondary battery with improved lifespan and rate controlling properties. COPYRIGHT KIPO 2017 ...

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Номер записи: 2
14-03-2018 дата публикации

POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, MANUFACTURING METHOD THEREOF AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Номер: KR1020180027261A
Автор: LEE, DAE HOE, KIM, DONG JIN, KIM, MIN HAN, KIM, IL SEOK, PARK, DO HYUNG, PARK, JUN SEOK, LIM, OK GYU, JEON, GYU RAN, CHOI, JEON JIN
Принадлежит:

The present invention relates to a positive active material for a rechargeable lithium battery, a manufacturing method thereof, and a rechargeable lithium battery including the same. The positive active material for a rechargeable lithium battery comprises a lithium nickel compound oxide. A c-axial lattice parameter of a unit lattice of the lithium nickel compound oxide satisfies equation 1 which is 14.1720 angstrom <= c <= 14.1750 angstrom. COPYRIGHT KIPO 2018 ...

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Номер записи: 3
16-10-2017 дата публикации

복합 양극 활물질, 이를 포함하는 양극, 리튬 전지, 및 이의 제조방법

Номер: KR0101785265B1
Автор: 김민한, 문중호, 박한얼, 김경현, 박도형, 송유미, 홍명자, 김정훈, 김동진, 최전진, 전규란, 강선호
Принадлежит: 삼성에스디아이 주식회사

... 리튬 화합물을 포함하는 코어, 및 상기 코어 상의 적어도 일부에 형성된 코팅층을 포함하고, 상기 코팅층은 서로 다른 구조를 갖는 2종 이상의 산화물의 상을 포함하는 복합 양극 활물질, 이를 포함하는 양극, 리튬 전지, 및 이의 제조방법이 개시된다.

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Номер записи: 4
25-06-2015 дата публикации

COMPOSITE CATHODE ACTIVE MATERIAL, CATHODE COMPRISING SAME, LITHIUM BATTERY, AND MANUFACTURING METHOD THEREOF

Номер: KR1020150070853A
Автор: KIM, MIN HAN, MOON, JOONG HO, PARK, HAN EOL, KIM, KYOUNG HYUN, PARK, DO HYUNG, SONG, YU MI, HONG MING ZI, KIM, JEONG HOON, KIM, DONG JIN, CHOI, JEON JIN, JEON, GYU RAN, KANG, SUN HO
Принадлежит:

Disclosed are composite cathode active material, a cathode comprising the same, a lithium battery, and a manufacturing method thereof. The composite cathode active material comprises: a core containing a lithium compound; and a coating layer formed in at least a part of the core. The coating layer contains two or more kinds of oxide phases with different structures. COPYRIGHT KIPO 2015 (AA) LiCoO_2 phase, Li_0049CoO_2 phase, Li_0.5Co_1.1O_2 phase, Co_3O_4 phase ...

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Номер записи: 5
01-02-2019 дата публикации

리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지

Номер: KR1020190011208A
Автор: 김민한, 김동진, 김일석, 박도형, 박준석, 이대회, 임옥규, 전규란, 최전진
Принадлежит:

... 본 개시는 하기 화학식 1로 표시되는 화합물을 포함하는 코어 및 상기 코어의 표면에 위치하는 기능성층을 포함하고, 상기 기능성층은 상기 코어의 결정 구조와 다른 1종의 결정 구조를 포함하는 리튬 이차 전지용 양극 활물질로서, 상기 리튬 이차 전지용 양극 활물질은 100ppm 내지 400ppm 범위의 황을 포함하는 리튬 이차 전지용 양극 활물질에 관한 것이다. [화학식 1] LiaNixCoyMezO2 (상기 화학식 1에서, 0.9 ≤ a ≤ 1.1, 0.5 ≤ x ≤ 0.93, 0 < y ≤ 0.3, 0 < z ≤ 0.3, x + y + z =1이고, Me는 Mn 또는 Al임) ...

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Номер записи: 6
15-03-2018 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2018048155A1
Автор: LEE, Daehoe, KIM, Dongjin, KIM, Minhan, KIM, Ilseok, PARK, Dohyung, PARK, Junseok, LIM, Okgyu, JEON, Gyuran, CHOI, Jeonjin
Принадлежит:

The present disclosure relates to a cathode active material for a lithium secondary battery, a method for producing same, and a lithium secondary battery comprising same, the cathode active material comprising a lithium-nickel compound oxide, wherein a c-axis lattice parameter of a unit lattice of the lithium-nickel compound oxide satisfies the following formula 1: [formula 1] 14.1720 ÅA ≤ c ≤ 14.1750 ÅA.

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Номер записи: 7
29-07-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE COMPRISING SAME

Номер: KR1020160090120A
Автор: CHOI, JEON JIN, KIM, MIN HAN, MOON, JOONG HO, PARK, HAN EOL, KIM, KYOUNG HYUN, PARK, DO HYUNG, KIM, DONG JIN, JEON, GYU RAN, KANG, SUN HO
Принадлежит:

Disclosed are a positive electrode active material represented by chemical formula 1 and a positive electrode-containing lithium secondary battery comprising the same. In the chemical formula 1, Li_1-aA_aNi_xCo_yMn_1-x-yO_2, A is an alkali metal, a is greater than or equal to 0.0025 and less than or equal to 0.002, x is greater than 0.0 and less than or equal to 1.0, and y is greater than or equal to 0.0 and less than or equal to 1.0. COPYRIGHT KIPO 2016 (a) Bare (Comparative manufacturing example 1) (AA) Capacitance retention rate (%) (b) 0.15mol% Na-doped (Comparative manufacturing example 2) (BB) Number of cycles (times) (c) 0.25mol% Na-doped (Manufacturing example 1) (d) 0.5mol% Na-doped (Manufacturing example 2) (e) 1.0mol% Na-doped (Manufacturing example 3) (f) 2.0mol% Na-doped (Manufacturing example 4) (g) 5.0mol% Na-doped (Comparative manufacturing example 3) ...

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Номер записи: 8
16-05-2017 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING POSITIVE ELECTRODE INCLUDING SAME

Номер: KR1020170053368A
Автор: KIM, JIN HWA, MOON, JOONG HO, CHOI, JEON JIN, SONG, YU MI, KIM, MIN HAN, PARK, DO HYUNG, KWON, SEON YOUNG
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, which comprises nickel, cobalt and manganese, wherein the content of the manganese exceeds 25 mol% in both a core portion and a surface portion, and the content of the nickel and the cobalt has concentration gradient from the core portion to the surface portion, to a production method thereof, and to a lithium secondary battery comprising a positive electrode including the same. COPYRIGHT KIPO 2017 ...

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Номер записи: 9