Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 87. Отображено 87.
13-07-2017 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101757628B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지가 개시된다. 본 발명의 일 구현예는, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물을 포함하는 양극 활물질이되, 상기 양극 활물질 은 코어부와 코팅층으로 이루어져 있으며, 상기 코어부는 Zr, Ti, Mg, Ca, V, Zn, Mo, Ni, Co, Mn 또는 이들의 조합으로 도핑된 화합물을 포함하고, 상기 코팅층은 Al 및 B를 포함하는 것인, 리튬 이차 전지용 양극 활물질을 제공한다.

Подробнее
10-06-2015 дата публикации

POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR1020150063954A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a method for preparing the same, and to a lithium secondary battery including the same. Provided is the positive electrode active material for a lithium secondary battery which includes a compound available of reversible intercalation and deintercalation of lithium, and a coating layer located on at least one part of a surface of the compound, wherein the coating layer includes Li_3PO_4, and the coating layer is a complex coating layer including lithium metal oxide, metal oxide, and/or combination of the same. The lithium metal oxide or the metal oxide includes Zr. COPYRIGHT KIPO 2015 ...

Подробнее
14-09-2017 дата публикации

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

Номер: WO2017155240A1
Принадлежит:

An implemented embodiment of the present invention provides a positive electrode active material, for a lithium secondary battery, which is represented by chemical formula (1) below and comprises a core having a compound which comprises a core part and a surface part, wherein the L3/L2 intensity ratio of Ni in the surface part of the compound is lower than the L3/L2 intensity ratio of Ni in the core part of the compound. Chemical formula (1): Li [LizA(1-z-a)Da]EbO2-b (In chemical formula (1), A=NiαCoβMnƔ, D is one or more elements selected from the group consisting of Na, K, Mg, Ca, Sr, Ni, Co, Ti, Al, B, Si, Sn, Mn, Cr, Fe, V, Zr, Nb and Mo, and E is one or more elements selected from the group consisting of P, F and S, wherein -0.05 ≤ x ≤ 0.1, 0 ≤ a ≤ 0.05 and 0 ≤ b ≤ 0.05, and 0.3 ≤ α ≤ 0.9, 0.05≤ β ≤0.4 and 0.05≤ Ɣ ≤0.4.) (The L3/L2 intensity ratio of Ni is the oxidation number of Ni measured by means of electron energy loss spectroscopy (EELS).) ...

Подробнее
20-10-2017 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101788561B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 Li3PO4 또는 LiF를 포함하며, 상기 코팅층은 리튬 금속 산화물, 금속 산화물, 또는 이들의 조합을 더 포함하는 복합 코팅층이고, 상기 리튬 금속 산화물 및 금속 산화물 중 적어도 어느 하나는 서로 독립적으로, 금속 M을 포함하며, 상기 금속 M은 Mg, Ti, Al, Si, Sn 및 Zr로 이루어진 군에서 선택되는 적어도 하나의 원소를 포함하는 것인 제1 양극 활물질; 및 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 Li3PO4 또는 LiF를 포함하며, 상기 코팅층은 리튬 금속 산화물, 금속 산화물, 또는 이들의 조합을 더 포함하는 복합 코팅층이고, 상기 리튬 금속 산화물 및 금속 산화물 중 적어도 어느 하나는 서로 독립적으로, 금속 M′는 을 포함하며, 상기 금속 M′는 Mg, Ti, Al, Si, Sn 및 Zr로 이루어진 군에서 선택되며, 상기 M′는 상기 제1 양극 활물질 내 M과는 서로 다른 금속인 것인 제2 양극 활물질;을 포함하는 리튬 이차 전지용 양극 활물질을 제공한다.

Подробнее
10-01-2018 дата публикации

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

Номер: KR1020180003908A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery and to a lithium secondary battery comprising the same, and can provide a lithium metal oxide powder, which comprises an aggregate of lithium metal oxide particles comprising a lithium metal oxide containing Co as an essential constituent, wherein the lithium metal oxide particle aggregate comprises the particles having a median diameter of 0.5 to 2 μm and satisfying the following formula: Li/Me<1. The present invention provides the positive electrode active material powder for a lithium secondary battery, which has a very small particle size of D50 2 μm or less and exhibits a high rolling density of 3.9 g/cc when mixed with particles having a large diameter. COPYRIGHT KIPO 2018 ...

Подробнее
04-08-2016 дата публикации

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

Номер: WO2016122278A1
Принадлежит:

Provided is a positive active material for a lithium secondary battery, which is a compound capable of reversible intercalation and deintercalation of lithium and having secondary particles formed by the aggregation of primary particles, wherein the size of crystal grains is between 0.0593 and 0.0610 µm at a (003) peak in the spectrum analysis of X-ray diffraction analysis.

Подробнее
30-11-2016 дата публикации

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

Номер: KR1020160137449A
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery comprising the same. The cathode active material for a lithium secondary battery according to the present invention comprises: a compound capable of reversible intercalation and deintercalation of lithium; and a coated layer located on at least a part of a surface of the compound. The coated layer includes Li3PO4, and is a complex coated layer additionally including a lithium metal oxide, a metal oxide, or a combination thereof, wherein at least one of the lithium metal oxide and the metal oxide includes metal M independent of each other. Metal M1 is an element selected from the group consisting of Na, K, Mg, Ca, Sr, Ni, Co, Ti, Al, Si, Sn, Mn, Cr, Fe, V and Zr, and includes a compound containing at least one element selected from metal M2 consisting of Ni, Co, and Mn separately from the compound capable of reversible intercalation and ...

Подробнее
09-05-2019 дата публикации

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

Номер: WO2019088345A1
Принадлежит:

The present invention relates to: a cathode active material for a lithium secondary battery, having improved output characteristics at a low temperature; and a lithium secondary battery comprising the same, and comprises a lithium metal oxide to be formed with a lithium oxide comprising Ni, Co and Mn such that reversible intercalation and deintercalation of lithium is enabled, wherein the lithium metal oxide is doped with a dopant (M) being substituted for any one or more elements of Ni, Co and Mn, and the lithium metal oxide has a c-axis lattice constant of 14.20-14.30 Å.

Подробнее
04-07-2019 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2019132087A1
Принадлежит:

The present invention may provide a positive electrode active material for a lithium secondary battery, a method for manufacturing the same, and a lithium secondary battery comprising the same, wherein the positive electrode active material for a lithium secondary battery includes secondary particles obtained by assembling lithium metal oxide primary particles, the lithium metal oxide particles have a layered structure, and each of the secondary particles has a powder resistance of 80 to 300 ohm-cm and a grain size of 50 nm or less.

Подробнее
24-11-2016 дата публикации

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

Номер: WO2016186479A1
Принадлежит:

Provided is a cathode active material for a lithium secondary battery, which includes a compound being capable of reversible intercalation and de-intercalation of lithium; and a compound comprising a coating layer which is located on at least a part of the surface of the compound, wherein the coating layer comprises Li3P04, and the coating layer is a composite coating layer further comprising a lithium metal oxide, a metal oxide, or a combination thereof, wherein the at least any one of the lithium metal oxide and the metal oxide comprises independently of each other metal M, and the metal MI is at least one element selected from a group consisting of Na, K, Mg, Ca, Sr, Ni, Co, Ti, AI, Si, Sn, Mn, Cr, Fe, V and Zr, and wherein the cathode active material comprises at least one element selected from metal M2 consisting of Ni, Co and Mn aside from the compound being capable of reversible intercalation and de-intercalation of lithium.

Подробнее
03-07-2014 дата публикации

METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: WO2014104823A1
Принадлежит:

The present invention relates to a method for preparing a cathode active material for a lithium secondary battery and the cathode active material for a lithium secondary battery, and the method comprises the steps of: producing a mixture by preparing a precursor expressed in chemical formula 1 below, a lithium composite oxide capable of carrying out intercalation/deintercalation for a lithium ion expressed in chemical formula 2 below, and a lithium-fed material; and calcining the produced mixture. [Chemical formula 1] A (OH)2-a [Chemical formula 2] Li [LizA(1-z-a) Da] EbO2-b ...

Подробнее
04-12-2018 дата публикации

양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101925105B1
Принадлежит: 주식회사 엘 앤 에프

... 하기 화학식 1로 표시되는 양극 활물질을 제공한다. [화학식 1]Lix(M1-m-zAmDz)O2-tXt 상기 화학식 1에서 0.8≤x≤1.2, 0 Подробнее

23-02-2018 дата публикации

POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: KR1020180019140A
Принадлежит:

The present invention relates to a compound capable of reversible intercalation and deintercalation of lithium. The compound is represented by chemical formula 1, Li_aM_1-bM^′_bO_2. In chemical formula 1, metal M includes Ni and includes at least one element selected from a group consisting of Co and Mn, M^′ is at least one element selected among Mg, Ti, Zr, Al, and B, 0.90 < a < 1.10, 0.09 < b < 0.15, a coating layer is included to be positioned on at least one part of a surface of the compound of chemical formula 1, the coating layer includes Li_3PO_4, the coating layer includes a composite coating layer more including lithium metal oxide, metal oxide, or a combination thereof, and the composite coating layer includes zirconium oxide and silicon oxide. COPYRIGHT KIPO 2018 ...

Подробнее
13-06-2019 дата публикации

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

Номер: WO2019112097A1
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a production method thereof, and a lithium secondary battery comprising the same, and can provide a positive electrode active material for a lithium secondary battery wherein secondary particles are obtained by aggregating lithium metal oxide primary particles, the lithium metal oxide particles have layered structures and the powder resistance of the secondary particles is 300 ohm-cm or more and the grain size is 55 nm or less.

Подробнее
05-03-2020 дата публикации

DISPLAY APPARATUS

Номер: WO2020045957A1
Принадлежит:

A display apparatus according the spirit of the present invention comprises: a display panel for displaying an image in a forward direction; a top chassis disposed at the front of the display panel; a bottom chassis disposed at the rear of the display panel; a rear cover for covering the rear of the bottom chassis; and a stand member which can be received in the rear cover and is selectively coupled to the rear surface of the rear cover, wherein the rear cover includes a reception part for receiving the stand member and a coupling part coupled to the stand member, and the stand member includes an insertion protrusion which is inserted into the reception part and the coupling part.

Подробнее
16-07-2018 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101878920B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 Li3PO4 를 포함하며, 상기 코팅층은 리튬 금속 산화물, 금속 산화물, 또는 이들의 조합을 더 포함하는 복합 코팅층이고, 상기 리튬 금속 산화물 및 금속 산화물 중 적어도 어느 하나는 서로 독립적으로, 금속 M을 포함하며, 상기 금속 M1은 Na, K, Mg, Ca, Sr, Ni, Co, Ti, Al, Si, Sn, Mn, Cr, Fe, V 및 Zr로 이루어진 군에서 선택되는 적어도 하나의 원소이며, 상기 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물과는 별개의 Ni, Co, Mn로 이루어진 금속 M2에서 선택되는 적어도 하나의 원소를 포함하는 화합물을 포함하는 것인 리튬 이차 전지용 양극 활물질을 제공한다.

Подробнее
07-02-2018 дата публикации

CATHODE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR101826612B1
Принадлежит: L & F CO., LTD.

The present invention relates to a cathode material and a lithium secondary battery including the same, represented by the Chemical Formula 1, where ratio I003 / I104 is 1.6 or above, R-factor ranges from 0.40 to 0.44 in the Mathematical Equation 1, and relationship between lattice constant of c-axis (c) and lattice constant of a-axis (a) is 3(a) + 5.555 <= (c) <= 3(a) + 5.580. Mathematical Equation 1 is represented by R-factor = (I102 + I006) / (I101), where I003, I006, I101, I102, and I104 refers to the strength of diffraction peak of (003), (006), (101), (102), and (104) in the X-ray diffraction analysis using CuKα ray. Chemical Formula 1 is represented by Li_α[(Ni_xCo_y)_1-βA_β]O_z. The Chemical Formula 1 satisfies 0.95 <= α <= 1.1, 0.75 <= x <= 0.95, 0.03 <= y <= 0.25, 0 < β <= 0.2, and, 1.9<=z<=2.1, where A refers to a dopant metal element, and the mean oxidation number of A, which is N, is 3.05 <= N <= 3.35. COPYRIGHT KIPO 2018 ...

Подробнее
14-09-2017 дата публикации

METAL OXIDE POWDER, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2017155184A1
Принадлежит:

The present invention relates to metal oxide powder, having an ultra-small particle diameter, a method for preparing same, and a lithium secondary battery comprising same. The metal oxide powder is represented by chemical formula (1) below. Chemical formula (1): Lix(M1-m-zAmDz)Ot In chemical formula (1), 0.8≤x≤1.2, 0≤m≤0.01, 0 3.5.

Подробнее
19-09-2013 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Номер: WO2013137509A1
Принадлежит:

The present invention relates to a method for manufacturing an anode active material for a lithium secondary battery, an anode active material for a lithium secondary battery, and a lithium secondary battery, and provides the method for manufacturing the anode active material for the lithium secondary battery comprising the steps of: preparing a precursor represented by chemical formula 1 below, a lithium composite oxide which can intercalate/deintercalate lithium ion represented by chemical formula 2 below, and a lithium supplying material, and producing a mixture; and firing the mixture that is produced. [Chemical formula 1] A(OH)2-a [Chemical formula 2] Li[LizA(1-z-a)Da]EbO2-b ...

Подробнее
02-10-2014 дата публикации

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

Номер: WO2014157744A1
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, a method for producing same, and a lithium secondary battery comprising same and can provide a cathode active material for a lithium secondary battery, the cathode active material comprising: a compound capable of reversible lithium intercalation and deintercalation; and a complex coating layer comprising M formed on the surface of the compound, wherein said M is at least one metal selected from the group consisting of Al, Zr, Ti, Mg, V, Zn, Mo, Ni, Co, and Mn and the surface free energy of the cathode active material is 4 to 20% lower than that of the compound capable of reversible lithium intercalation and deintercalation.

Подробнее
30-11-2017 дата публикации

CATHODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: WO2017204428A1
Принадлежит:

Provided is a cathode active material represented by chemical formula 1 below. [Formula 1] Lix(M1-m-zAmDz)O2-tXt In chemical formula 1, 0.8≤x≤1.2, 0≤m≤0.01, 0≤z≤0.04, 0≤t≤0.2, M is selected from the group consisting of Ni, Co, Mn, Al, Ti, Fe and a combination thereof, A is selected from the group consisting of Mg, Ca, Sr, Ba and a combination thereof, D is selected from the group consisting of Ti, Zr, Ce, Ge, Sn and a combination thereof, X is selected from the group consisting of S, P, F and a combination thereof, the average oxidation number of A and D is E, and E is E < 2.5.

Подробнее
08-09-2017 дата публикации

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

Номер: WO2017150915A1
Принадлежит:

Provided is a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising: a compound capable of reversible lithium intercalation/deintercalation; and a coating layer positioned on at least one portion of the surface of the compound capable of reversible lithium intercalation/deintercalation. The compound capable of reversible lithium intercalation/deintercalation is doped with a metal M and F, wherein the metal M is at least one element selected from the group consisting of Mg, Ca, Ni, Ti, Al, Si, Sn, Mn, Cr, Fe and Zr. The coating layer comprises Li3PO4.

Подробнее
20-09-2017 дата публикации

LITHIUM METALLIC OXIDE POWDER, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170106037A
Принадлежит:

The present invention relates to a lithium metallic oxide powder having the smallest particle diameter, to a manufacturing method thereof, and to a lithium secondary battery comprising the same, wherein the lithium metallic oxide powder is represented by the chemical formula (1): Li_x(M_1-m-zA_mD_z)O_t, wherein 0.8<=x<=1.2, 0<=m<=0.01, 0 Подробнее

09-08-2016 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101646702B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면에 형성된 M을 포함하는 코팅층;을 포함하는 리튬 이차전지용 양극 활물질이되, 상기 M은 Al, Zr, Ti, Mg, V, Zn, Mo, Ni, Co 및 Mn으로 이루어진 군에서 선택된 적어도 하나의 금속이고, 상기 양극 활물질의 표면 자유 에너지는 상기 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물의 표면 자유 에너지보다 4 내지 20% 감소한 것인 리튬 이차전지용 양극 활물질을 제공할 수 있다.

Подробнее
03-03-2016 дата публикации

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

Номер: WO2016032290A1
Принадлежит:

Provided is an cathode active material for a lithium battery in a crystal lattice structure of a compound in which a reversible intercalation and deintercalation of lithium is enabled, wherein a crystal lattice is controlled such that the thickness of an MO slab is large and the thickness of an inter slab is small from a crystal structure analysis by a Rietveld method when using space group R-3m in a crystal structure model on the basis of an x-ray diffraction analysis on the crystal lattice structure of a compound in which a reversible intercalation and deintercalation of lithium is enabled and a crystal lattice is not controlled.

Подробнее
06-04-2016 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME

Номер: KR0101609544B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물;을 포함하고, 상기 화합물은 코어부와 코팅층으로 이루어져 있으며, 상기 코어부는 M1 및 M2로 도핑되어 있고, 상기 코팅층은 B를 포함하는 것인 리튬 이차 전지용 양극 활물질을 제공한다. (상기 M1 및 M2는 서로 독립적으로 Zr, Ti, Mg, Ca, V, Zn, Mo, Ni, Co 및 Mn으로 이루어진 군에서 선택된 금속 중 적어도 어느 하나이고, M1 및 M2는 서로 상이하다.) ...

Подробнее
03-03-2016 дата публикации

NICKEL-BASED COMPOSITE OXIDE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: WO2016032289A1
Принадлежит:

The present invention relates to a nickel-based composite oxide for a lithium secondary battery, and a lithium secondary battery including the same, and provides a nickel-based composite oxide for a lithium secondary battery, which comprises: a core part; and at least one tunnel connected from the inside of the core part to the outside thereof, wherein the tunnel has a diameter of 100nm or larger, and the composite oxide further comprises coating layers located inside the tunnel and outside the core part.

Подробнее
10-06-2015 дата публикации

POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR1020150063955A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same. Provided is the positive electrode active material for a lithium secondary battery which comprises a compound core available of reversible intercalation and deintercalation of lithium; and a coating layer located on at least one part of a surface of the compound, wherein the coating layer includes Li_3PO_4 and LiF, the coating layer is a complex coating layer which includes a lithium metal compound, a metal oxide, a fluoro metal compound, and/or a combination of the same, and the core is doped with fluorine. COPYRIGHT KIPO 2015 ...

Подробнее
08-11-2016 дата публикации

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

Номер: KR1020160128978A
Принадлежит:

Disclosed are a positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery comprising the same. According to an embodiment of the present invention, the positive electrode active material comprises a compound, capable of performing the reversible intercalation and deintercalation of lithium. The positive electrode active material is formed of a core unit and a coating layer. The core unit includes compounds doped with Zr, Ti, Mg, Ca, V, Zn, Mo, Ni, Co, Mn, or a combination thereof. The coating layer includes Al and B. Provided is the positive electrode active material for a lithium secondary battery, having excellent durability at high temperatures and a high voltage. COPYRIGHT KIPO 2016 ...

Подробнее
24-08-2018 дата публикации

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: KR1020180094567A
Принадлежит:

The present invention relates to an anode active material for a lithium secondary battery, which comprises: a lithium composite oxide core; and a surface part located on the surface of the core part, wherein the surface part includes Al element and M element, M is Mg, Ti, Ca, W, B, Ba, Zr, or a combination thereof and the element of the surface portion satisfies the content of following mathematical expression 1: Y=AX+C. In the mathematical expression 1, Y is the total amount of Al and M in the surface part, X is a BET specific surface area value of the anode active material, C is a minimum value of Al, B, And M, A is the slope for X and Y, and following formulas are satisfied: 1500 < A <= 1800 and 600 <= C < 1000. An object of the present invention is to provide an optimal surface treatment condition of the anode active material capable of minimizing capacity properties which are reduced when the cycle properties are improved, and also capable of coping with changes in the composition, ...

Подробнее
13-12-2018 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2018225912A1
Принадлежит:

The present invention relates to a positive electrode active material and to a lithium secondary battery including same. Provided is a positive electrode active material represented by Chemical Formula 1 below, wherein the I003/I104 ratio is at least 1.6, the R-factor value represented by Mathematical Formula 1 is 0.40 to 0.44, and the c-axis lattice constant (c) and a-axis lattice constant (a) satisfy 3(a)+5.555 ≤ (c) ≤ 3(a)+5.580. [Mathematical Formula 1] R-factor = (I102 + I006) / (I101) I003, I006, I101, I102, and I104 are the intensities of the diffraction peaks of the (003), (006), (101), (102), and (104) planes obtained by x-ray diffraction analysis using CuK á radiation; [Chemical Formula 1] Liá[(NixCoy)1-βAβ]Oz (where 0.95 ≤ α ≤ 1.1, 0.75 ≤ x ≤ 0.95, 0.03 ≤ y ≤ 0.25, 0 < β ≤ 0.2, and 1.9 ≤ z ≤ 2.1, A is a dopant metal element, and the average oxidation number N of A satisfies 3.05 ≤ N ≤ 3.35.

Подробнее
11-05-2017 дата публикации

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

Номер: KR1020170050134A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a production method thereof, and a lithium secondary battery comprising the same. The positive electrode active material for a lithium secondary battery comprises: a compound capable of reverse intercalation and deintercalation of a lithium; and a coating layer disposed on at least one part of a surface of the compound, wherein the coating layer comprises P and S. COPYRIGHT KIPO 2017 ...

Подробнее
10-01-2018 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR1020180003907A
Принадлежит:

The present invention relates to a positive electrode active material for lithium secondary batteries, and a lithium secondary battery including the same. To this end, the positive electrode active material includes a lithium metal oxide particle group having Co at a metal site as an essential constituent element. The lithium metal oxide particle group provides lithium metal oxide powder containing lithium metal oxide particles whose median diameter is 0.5-2 μm while satisfying Li/Me >= 1. COPYRIGHT KIPO 2018 (AA) Large diameter powder (A) (BB) Small diameter powder (A) (CC) Mixed coating powder ...

Подробнее
19-06-2018 дата публикации

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

Номер: KR1020180066623A
Принадлежит:

According to an embodiment of the present invention, provided is a positive electrode active material capable of securing high energy density while exhibiting excellent cycle capacity retention rate and chemical conversion efficiency of batteries. Moreover, provided are a production method thereof, and a lithium secondary battery including the same. To this end, the positive electrode active material comprises a lithium metal oxide particle assembly. COPYRIGHT KIPO 2018 (AA) Lithium metal oxide powder (large diameter light powder (A) + small particle diameter powder (B)) (BB) Particle (C) (2um or less) ...

Подробнее
19-12-2018 дата публикации

CATHODE ACTIVE MATERIALS FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERIES COMPRISING SAME

Номер: KR101930530B1
Принадлежит: L & F CO., LTD.

The present invention relates to a cathode active material for a lithium secondary battery having improved output characteristics at low temperatures and a lithium secondary battery including the same. The cathode active material includes a lithium metal oxide formed from a lithium oxide including Ni, Co, and Mn to enable reversible intercalation and deintercalation of lithium, wherein the lithium metal oxide is doped with a dopant (M) substituting any one or more of Ni, Co, and Mn, and has a c-axis lattice constant greater than or equal to14.20 Å and less than or equal to 14.30 Å. COPYRIGHT KIPO 2019 ...

Подробнее
19-08-2016 дата публикации

HIGH-VOLTAGE SPINEL-BASED LITHIUM TRANSITION METAL OXIDE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020160098767A
Принадлежит:

Provided is a spinel-based lithium transition metal oxide for a lithium secondary battery, having a high voltage greater than or equal to 4.7 V and comprising a grain size in the range of 650-760 Å. The spinel-based lithium transition metal oxide for a lithium secondary battery inhibits a minor reaction with an electrolyte in a region of the high voltage greater than or equal to 4.7 V, and improves the lifespan properties and the efficiency of initial charging and discharging by the inhibition of the minor reaction. According to the present invention, the lithium transition metal oxide with the increased grain size reduces the reduction rate of the lifespan properties and the reduction rate of capacity at a high rate, and maintains the same in a high-temperature environment. COPYRIGHT KIPO 2016 (AA) Example 1 (BB) Example 2 (CC) Example 3 (DD) Comparative example 1 (EE) Comparative example 2 (FF) Comparative example 3 (GG) Comparative example 4 ...

Подробнее
10-08-2018 дата публикации

리튬 망간 복합 산화물, 이의 제조 방법 및 이를 이용한 비수전해질 이차 전지

Номер: KR0101886323B1
Принадлежит: 주식회사 엘 앤 에프

... 본 발명은 양극활물질로서, 고출력이면서도 고온 안정성이 우수한 하기 화학식 1의 리튬 망간 복합 산화물, 이의 제조 방법 및 이를 이용한 비수전해질 이차 전지를 제공한다. [화학식1] Li(1+x)Mn(2-x-a-b)AlaMgbO4 상기 식에서, 0 ≤ x ≤ 0.2, 0.005 ≤ a ≤ 0.1, 0.001≤ b ≤ 0.03; a/b= 3이상 5이하임) ...

Подробнее
09-08-2016 дата публикации

POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY COMPRISING POSITIVE ACTIVE MATERIAL

Номер: KR1020160094338A
Принадлежит:

The present invention relates to a positive active material having high capacity, high efficiency, and an excellent life characteristic, and also relates to a lithium secondary battery having a positive electrode comprising the positive active material. Provided is the positive active material for a lithium secondary battery, comprising: a compound which enables reversible intercalation and deintercalation of lithium, wherein the compound is represented by chemical formula 1; and a coating layer which is disposed on at least part of a surface of the compound represented by chemical formula 1, wherein the coating layer comprises Li_3PO_4 and further comprises a composite coating layer further comprising a lithium metal oxide, a metal oxide, or a combination thereof. The chemical formula 1 is represented by Li_aM_(1-b)M′_bO_2, wherein M is at least one element selected from the group consisting of Ni, Co, and Mn; M′ is at least one element selected from the group consisting of Zr, Ti, Mg, ...

Подробнее
04-01-2018 дата публикации

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

Номер: WO2018004079A1
Принадлежит:

Disclosed are a cathode active material for a lithium secondary battery, and a lithium secondary battery comprising same. The present invention can provide a lithium metal oxide powder comprising lithium metal oxide particle aggregates containing lithium metal oxide having Co as an essential element, wherein the lithium metal oxide particle aggregates comprise particles having a median diameter of 0.5-2 μm and in which Li/Me < 1.

Подробнее
14-06-2018 дата публикации

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

Номер: WO2018105791A1
Принадлежит:

The embodiments of the present invention provide a cathode active material which exhibits an excellent coulombic efficiency and a cycle capacity retention rate of a battery and which can realize a high energy density, a method for manufacturing the same, and a lithium secondary battery comprising the same.

Подробнее
11-08-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: WO2016126082A9
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same. The present invention may provide a positive electrode active material for a lithium secondary battery comprising a compound capable of reversibly intercalating and deintercalating lithium; and a coating layer disposed on at least a portion of the surface of the compound, wherein the coating layer contains S and is a composite coating layer further containing lithium metal oxides, metal oxides, and/or combinations thereof, and at least one of the lithium metal oxides or metal oxides independently containing a metal, M.

Подробнее
05-10-2018 дата публикации

리튬 이차 전지용 양극 활물질

Номер: KR0101904773B1
Автор: 최수안, 전상훈, 신준호
Принадлежит: 주식회사 엘 앤 에프

... 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물에 있어서, 상기 화합물은 하기 화학식 1로 표시 되며, [화학식 1] LiaM1-bM`bO2 상기 화학식 1에서, 금속 M은 Ni을 포함하고, Co, Mn으로 이루어진 군에서 선택되는 적어도 하나의 원소를 포함하며, M`는 Mg, Ti, Zr, Al, B 에서 선택되는 적어도 하나의 원소이고, 0.90 Подробнее

08-08-2016 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101646729B1
Принадлежит: 주식회사 엘 앤 에프

... 하기 화학식 1로 표시되는 화합물을 포함하는 코어, 및 상기 코어의 표면에 위치하고, 리튬(Li) 및 인(P) 및 산소(O)를 함유하는 고용체를 포함하는 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지에 관한 것이다. [화학식 1] LixNi(1-a-b-c-d)CoaMnbM1cM2dO2 상기 화학식 1의 정의는 명세서 내 기재된 바와 같다.

Подробнее
16-04-2015 дата публикации

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2015053580A1
Принадлежит:

The present invention relates to an anode active material, a method for manufacturing same, and a lithium secondary battery comprising same, the anode active material comprising: a core containing a compound represented by chemical formula 1 below; and a solid solution which is placed on the surface of the core and contains lithium (Li), phosphorous (P), and oxygen (O). [Chemical formula 1] LixNi(1-a-b-c-d)CoaMnbM1cM2dO2, wherein the definition of chemical formula 1 is as described in the specification.

Подробнее
31-05-2016 дата публикации

POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Номер: KR0101625838B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 Li3P04를 포함하며, 상기 코팅층은 리튬 금속 산화물, 금속 산화물, 및/또는 이들의 조합을 더 포함하는 복합 코팅층이고, 상기 리튬 금속 산화물 또는 상기 금속 산화물은 Zr을 포함하는 것인 리튬 이차 전지용 양극 활물질을 제공한다.

Подробнее
14-06-2017 дата публикации

리튬 이차 전지용 니켈계 복합 산화물, 및 이를 포함하는 리튬 이차 전지

Номер: KR0101747140B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 니켈계 복합 산화물, 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 코어부; 및 상기 코어부 내부에서 외부로 연결된 적어도 하나의 터널;을 포함하고, 상기 터널은 직경이 100nm 이상이고, 상기 터널의 내측, 및 상기 코어부 외측에 위치하는 코팅층을 더 포함하는 것인 리튬 이차 전지용 니켈계 복합 산화물을 제공한다.

Подробнее
20-06-2018 дата публикации

ANODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

Номер: KR1020180066946A
Принадлежит:

Provided is an anode active material precursor for a lithium secondary battery, which is a precursor capable of improving the quality of an anode active material, has a large particle size without cracks, and contains the crystal growth surface containing particles uniform in one direction. COPYRIGHT KIPO 2018 ...

Подробнее
18-07-2018 дата публикации

리튬 이차 전지용 양극 활물질 전구체 및 그 제조 방법

Номер: KR0101879324B1
Принадлежит: 제이에이치화학공업(주)

... 양극 활물질의 품질을 향상시킬 수 있는 전구체로, 균열(crack) 없이 큰 입경을 가지며, 결정 성장 면이 한 방향으로 균일한 입자를 포함하는 전구체를 제공한다.

Подробнее
23-08-2018 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: WO2018151566A2
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, and provides a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising: a lithium composite oxide core; and a surface part located on a surface of the core part, wherein the surface part contains an Al element and an M element; M is Mg, Ti, Ca, W, B, Ba, Zr, or a combination thereof; and the elements of the surface part satisfy the contents in equation 1 below: [Equation 1] Y = AX + C. In equation 1, Y is the total amount of Al and M in the surface part; X is a BET specific surface area value of the positive electrode active material; C is the minimum value of the total amount of Al, B, and M in the surface part; A is the slope for X and Y; 1500 < A < 1800; and 600 < C < 1000.

Подробнее
08-06-2018 дата публикации

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

Номер: KR101853836B1
Принадлежит: L & F CO., LTD.

Provided is a positive electrode active material for lithium secondary batteries. More specifically, the present invention relates to a positive electrode active material for lithium secondary batteries, a production method thereof, and a lithium secondary battery comprising the same. The positive electrode active material is a secondary particle in which lithium metal oxide particles are aggregated, wherein the lithium metal oxide particles have a nickel-layered structure. Ti and B in the structure are simultaneously doped. A doping ratio of the lithium metal oxide particles based on 1 mole of metal in the whole lithium metal oxide satisfies the following condition respectively, 0.0001 <=Ti<= 0.05 and 0.00005 <=B<= 0.025. The average density of the secondary particles is 0.97 or more and 1 or less, and the BET value of the secondary particles is 0.5 m2/g or less. COPYRIGHT KIPO 2018 ...

Подробнее
19-09-2013 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Номер: WO2013137510A1
Принадлежит:

The present invention relates to a method for manufacturing an anode active material for a lithium secondary battery, an anode active material for a lithium secondary battery, and a lithium secondary battery, and provides the method for manufacturing the anode active material for the lithium secondary battery comprising the steps of: preparing a precursor represented by chemical formula 1 below, a lithium composite oxide which can intercalate/deintercalate lithium ion represented by chemical formula 2 below, and a lithium supplying material, and producing a mixture; and firing the mixture that is produced. [Chemical formula 1] A(OH)2-a [Chemical formula 2] Li[LizA(1-z-a)Da]EbO2-b ...

Подробнее
09-03-2016 дата публикации

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

Номер: KR1020160026307A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a producing method thereof, and a lithium secondary battery comprising the same. Provided is the positive electrode active material for a lithium battery in a crystal lattice structure of a compound in which a reversible intercalation and deintercalation of lithium is enabled, wherein a crystal lattice is controlled such that the thickness of an MO slab is large and the thickness of an inter slab is small from a crystal structure analysis by a Rietveld method when using space group R-3m in a crystal structure model on the basis of an x-ray diffraction analysis on the crystal lattice structure of a compound in which a reversible intercalation and deintercalation of lithium is enabled and a crystal lattice is not controlled. COPYRIGHT KIPO 2016 ...

Подробнее
11-08-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: WO2016126082A1
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same. The present invention may provide a positive electrode active material for a lithium secondary battery comprising a compound capable of reversibly intercalating and deintercalating lithium; and a coating layer disposed on at least a portion of the surface of the compound, wherein the coating layer contains S and is a composite coating layer further containing lithium metal oxides, metal oxides, and/or combinations thereof, and at least one of the lithium metal oxides or metal oxides independently containing a metal, M.

Подробнее
17-04-2018 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101849759B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 S을 포함하며, 상기 코팅층은 리튬 금속 산화물, 금속 산화물, 및/또는 이들의 조합을 더 포함하는 복합 코팅층이고, 상기 리튬 금속 산화물 및 금속 산화물 중 적어도 어느 하나는 서로 독립적으로, 금속 M을 포함하는 것인 리튬 이차 전지용 양극 활물질을 제공할 수 있다.

Подробнее
11-06-2015 дата публикации

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

Номер: WO2015084026A1
Принадлежит:

The present invention relates to cathode active material for a lithium secondary battery, a method for producing the cathode active material, and a lithium secondary battery containing same, and provides the cathode active material for a lithium secondary battery comprising: a compound capable of reversible intercalation and de-intercalation of lithium; and a coating layer located on at least one part of the surface of the compound, wherein the coating layer comprises Li3PO4, the coating layer being a composite coating layer additionally comprising lithium metal oxide, metal oxide and/or a combination thereof, wherein the lithium metal oxide or metal oxide comprises Zr.

Подробнее
09-08-2016 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101646911B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물 코어; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 Li3P04 및 LiF를 포함하며, 상기 코팅층은 리튬 금속 화합물, 금속 산화물, 불화 금속 화합물, 및/또는 이들의 조합을 더 포함하는 복합 코팅층이고, 상기 코어는 불소가 도핑된 것인 리튬 이차 전지용 양극 활물질을 제공한다.

Подробнее
02-10-2014 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY USING SAME

Номер: WO2014157743A1
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery and a lithium secondary battery comprising same and provides a cathode active material for a lithium secondary battery, containing a compound capable of reversible lithium intercalation and deintercalation, the compound comprising a core part and a coating layer wherein the core part is doped with M1 and M2 and the coating layer comprises B. (Said M1 and M2 are, independently of each other, at least one of the metals selected from the group consisting of Zr, Ti, Mg, V, Zn, Mo, Ni, Co, and Mn and differ from each other.) ...

Подробнее
29-09-2011 дата публикации

LITHIUM SECONDARY BATTERY, CATHODE ACTIVE MATERIAL AND CATHODE FOR SAME, AND MANUFACTURING METHODS THEREFOR

Номер: WO2011118870A1
Принадлежит:

The present invention relates to a lithium secondary battery, a cathode active material and a cathode for same, and manufacturing methods therefor, which can provide a cathode active material having high energy density for the lithium secondary battery cathode, said material formed from primary particles of a compound represented by LiMO2 that have diameters of 0.1-1μm, and which includes secondary particles that diameters of 20-60μm, thereby enabling the manufacturing of the lithium secondary battery with superior cycling capacity. The definition for said M is can be found in the present description.

Подробнее
08-08-2016 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101646703B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물을 포함하는 코어; 및 상기 코어 표면의 적어도 일부에 위치하고 하기 화학식 1로 표시되는 화합물을 포함하는 코팅층을 포함하는 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 이를 포함하는 리튬 이차 전지에 관한 것이다. [화학식 1] LixZry MkSizP3-zO12-4z 상기 화학식 1에서, 1.5≤x≤3.3, 0 Подробнее

09-08-2016 дата публикации

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

Номер: KR1020160093866A
Принадлежит:

The present invention relates to a positive electrode for a lithium secondary battery. More particularly, the positive electrode for a lithium secondary battery comprises an electrode plate including a positive electrode active substance layer formed on a current collector. The positive electrode active substance layer includes powder of a lithium complex metal oxide and a solid electrolyte. The lithium complex metal oxide and the solid electrolyte are compounds capable of reversible intercalation and deintercalation of lithium. The positive electrode has high efficiency and excellent lifespan characteristics. COPYRIGHT KIPO 2016 ...

Подробнее
16-05-2019 дата публикации

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

Номер: WO2019059461A3
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, and a lithium secondary battery comprising same. A cathode active material for a lithium secondary battery, according to one embodiment of the present invention, is a secondary particle in which lithium metal oxide primary particles are aggregated, and is represented by chemical formula 1 below, wherein the lithium metal oxide particles have a nickel-based layered structure, the average density of the secondary particle is 0.8 or greater to 1 or less, the Dmin particle size change after pressing at a pressure of 200 MPa is no more than 2.9 μm, and the average particle size of the primary particles may be 0.1 to 1 μm. [Chemical formula 1] Liα[ (ΝixCoy)1-βΑβ]O2. In chemical formula 1, 0.95≤α≤1.05, 0.015≤β≤0.040, 0.73≤x≤0.78, 0.22≤y≤0.27, and A is at least one selected from Al, Ti and Mg.

Подробнее
11-06-2015 дата публикации

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

Номер: WO2015083901A1
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, a method for producing the cathode active material, and a lithium secondary battery containing same, and provides the cathode active material for a material for a lithium secondary battery comprising: a core of a compound capable of reversible intercalation and de-intercalation of lithium; and a coating layer located on at least one part of the surface of the compound, wherein the coating layer comprises Li3PO4 and LiF, the coating layer being a composite coating layer additionally comprising lithium metal compound, metal oxide, metal fluoride compound and/or a combination thereof, and the core is doped with fluorine.

Подробнее
22-09-2017 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Номер: KR1020170106810A
Принадлежит:

The present invention relates to a positive electrode active material for a rechargeable lithium battery, a method for preparing the same and a rechargeable lithium battery including the same. The positive electrode active material for a rechargeable lithium battery comprises a compound capable of reversible intercalation and deintercalation of lithium. The compound comprises Al, and is doped with M1 and M2. The M1 and M2 are independently at least one of metals selected from the group consisting of Zr, Ti, Mg, Ca, V, Zn, Mo, Ni, Co and Mn. M1 and M2 are different. COPYRIGHT KIPO 2017 ...

Подробнее
02-10-2015 дата публикации

POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL, METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL, AND LITHIUM SECONDARY CELL WITH POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY CELL

Номер: KR1020150109669A
Принадлежит:

The present invention relates to a positive active material for a lithium secondary cell, a method for manufacturing the positive active material for a lithium secondary cell, and a lithium secondary cell with the positive active material for a lithium secondary cell which comprise: a compound capable of reversible intercalation and deintercalation of lithium; and a coating layer located on at least a portion of a surface of the compound. The coating layer comprises Li_3PO_4, and is a composite coating layer further including a lithium metal oxide, a metal oxide, and/or a combination of the lithium metal oxide and the metal oxide. The lithium metal oxide and/or metal in the metal oxide in the composite coating layer are Na, K, Mg, Ca, Sr, Ni, Co, Ti, Al, Si, Sn, Mn, Cr, Fe, V, and Zr independently and a combination of the same. At least one of the lithium metal oxide or the metal oxide provides a positive active material for a lithium secondary cell having Al, Sn, or a combination of the ...

Подробнее
21-01-2016 дата публикации

METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY

Номер: KR0101586806B1
Принадлежит: 주식회사 엘앤에프신소재

... 리튬 이차 전지용 양극 활물질의 제조 방법 및 리튬 이차전지용 양극 활물질에 관한 것으로, 하기 화학식 1로 표시되는 전구체; 하기 화학식 2로 표시되는 리튬 이온을 인터칼레이션/디인터칼레이션할 수 있는 리튬 복합 산화물; 및 리튬 공급 물질을 준비하여 혼합물을 제조하는 단계; 및 상기 제조된 혼합물을 소성하는 단계;를 포함하는 리튬 이차전지용 양극 활물질의 제조 방법을 제공한다. [화학식 1] A(OH)2-a [화학식 2] Li[LizA(1-z-a)Da]EbO2-b ...

Подробнее
06-08-2015 дата публикации

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

Номер: WO2015115699A1
Принадлежит:

A cathode active material for a lithium secondary battery, a manufacturing method therefor and a lithium secondary battery comprising the same are disclosed. The cathode active material for a lithium secondary battery, according to one embodiment of the present invention, comprises a compound capable of reversibly intercalating and deintercalating lithium, wherein the compound comprises a core part and a coating layer, the core part is doped with M, and the coating layer comprises Al and B (M is Zr, Ti, Mg, Ca, V, Zn, Mo, Ni, Co, Mn or a combination thereof).

Подробнее
04-07-2013 дата публикации

PREPARATION METHOD OF CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND CATHODE ACTIVE MATERIAL

Номер: WO2013100692A1
Принадлежит:

The present invention relates to a preparation method of a cathode active material for a lithium secondary battery, and a cathode active material, and can provide a preparation method of a cathode active material for a lithium secondary battery, comprising the following steps: mixing a first solvent, a first Al source material soluble in the first solvent, and a second Al source material insoluble in the first solvent to prepare a coating solution; injecting a lithium composite oxide capable of intercalation/deintercalation of lithium ions to the coating solution to coat, by stirring, the first Al source material and the second Al source material on the surface of the lithium composite oxide capable of intercalation/deintercalation of lithium ions; and firing the lithium composite oxide capable of intercalation/deintercalation of lithium ions coated with the first Al source material and the second Al source material on the surface thereof.

Подробнее
21-01-2016 дата публикации

METHOD FOR PRODUCING LITHIUM MANGANATE PARTICLE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Номер: KR0101587209B1
Принадлежит: 주식회사 엘앤에프신소재

... 본 발명은 양극활물질로서, 고출력이면서도 고온 안정성이 우수한 리튬 망간 복합 산화물의 제조방법에 관한 것이다. 상기 제조방법은 리튬 공급 전구체 및 망간 공급 전구체를 혼합한 후, 700℃ 내지 900℃의 온도 범위에서 소성하여 하기 화학식 1의 리튬 망간 복합 산화물을 제조하는 방법으로서, 상기 망간 공급 전구체로 MnO2와 Mn3O4를 9:1 내지 1:9로 혼합하여 사용한 것이 특징이다. [화학식 1] Li(1+x)Mn(2-x-a-b)AaBbO4 (이종원소 A 또는 B 각각 독립적으로 Ni, Co, Al, Mg, Fe, Cr, Zr및 Ti로 구성된 군에서 선택된 1종 이상임, 0 ≤ x ≤ 0.2, 0 ≤ a ≤ 0.15, 0 ≤ b ≤ 0.15) ...

Подробнее
30-07-2018 дата публикации

ANODIC ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR101882878B1
Принадлежит: L & F CO., LTD.

The present invention relates to an anodic active material for a lithium secondary battery and a lithium secondary battery including the same. The material is a secondary particle, which is a group of primary particles of lithium metal oxide, and is represented by Chemical Formula 1, and the lithium metal oxide particles have a nickel-based layered structure. The density of the secondary particle is from 0.8 to 1. A D_min grain size change is within 2.9 μm after pressing with a pressure of 200 MPa. The average grain size of the primary particles is from 0.1 to 1 μm. Chemical Formula 1 is Li_α[(Ni_xCo_y)_(1-β)A_β]O_2 COPYRIGHT KIPO 2018 (AA) Comparative example 6 Al1000/ Mg500 / Ti1000 (BB) Practical example 1 Al3000/ Mg500 / Ti5000 (CC) Practical example 2 Al5000/ Mg1000 / Ti5000 (DD) Practical example 4 Al3000/ Mg500 / Ti7000 ...

Подробнее
16-04-2015 дата публикации

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2015053446A1
Принадлежит:

The present invention relates to an anode active material, a method for manufacturing same, and a lithium secondary battery comprising same, the anode active material comprising: a core containing a compound capable of reversible intercalation and deintercalation of lithium; and a coating layer, which is placed on at least a portion of the surface of the core, and is represented by chemical formula 1 below. [Chemical formula 1] LixZry MkSizP3-zO12-4z wherein, in chemical formula 1, 1.5 ≤ x ≤3.3, 0 Подробнее

20-01-2016 дата публикации

METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: KR0101586804B1
Принадлежит: 주식회사 엘앤에프신소재

... 리튬 이차 전지용 양극 활물질의 제조 방법 및 리튬 이차전지용 양극 활물질에 관한 것으로, 하기 화학식 1로 표시되는 전구체; 하기 화학식 2로 표시되는 리튬 이온을 인터칼레이션/디인터칼레이션할 수 있는 리튬 복합 산화물; 및 리튬 공급 물질을 준비하여 혼합물을 제조하는 단계; 및 상기 제조된 혼합물을 소성하는 단계;를 포함하는 리튬 이차전지용 양극 활물질의 제조 방법을 제공한다. [화학식 1] A(OH)2-a [화학식 2] Li[LizA(1-z-a)Da]EbO2-b ...

Подробнее
09-08-2016 дата публикации

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

Номер: KR1020160093817A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a producing method thereof, and a lithium secondary battery comprising the same. The positive electrode active material for a lithium secondary battery is a compound capable of reversible intercalation and deintercalation of lithium and having secondary particles formed by the aggregation of primary particles, wherein the size of crystal grains is between 0.0593 and 0.0610 μm at a (003) peak in the spectrum analysis of X-ray diffraction analysis. COPYRIGHT KIPO 2016 ...

Подробнее
05-12-2017 дата публикации

POSITIVE ACTIVE MATERIAL, METHOD OF MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR1020170133188A
Принадлежит:

Provided is a positive active material represented by chemical formula 1, Li-_x(M_(1-m-z)A_mD_z)O_(2-t)X_t. In chemical formula 1, 0.8 <= x <= 1.2, 0 <= m <= 0.01, 0 < z <=0.04, and 0 <= t <= 0.2 are satisfied. M is selected from a group consisting of Ni, Co, Mn, Al, Ti, Fe, and combination thereof. A is selected from a group consisting of Mg, Ca, Sr, Ba, and combination thereof. D is selected from a group consisting of Ti, Zr, Ce, Ge, Sn, and combination thereof. X is selected from a group consisting of S, P, F, and combination thereof. An average oxidation number is E. E satisfies E < 2.5. COPYRIGHT KIPO 2017 ...

Подробнее
16-04-2015 дата публикации

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2015053586A1
Принадлежит:

The present invention relates to an anode active material, a method for manufacturing same, and a lithium secondary battery comprising same, and provides an anode active material for a lithium secondary battery, comprising: a compound capable of reversible intercalation and deintercalation of lithium; and a coating layer positioned on at least a portion of the surface of the compound, wherein the coating layer contains Li3P04, and the coating layer further comprises a lithium metal compound, a metal oxide, and/or a combination of same.

Подробнее
24-01-2019 дата публикации

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

Номер: WO2019017534A1
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, a method for preparing same and a lithium secondary battery comprising same. Provided is a positive electrode active material, for a lithium secondary battery, which is secondary particles in which lithium metal oxide particles are aggregated. The lithium metal oxide particles are in a nickel-based layered structure. Ti and B are simultaneously doped in the structure. The doping ratios of the lithium metal oxide particles are each independently 0.0001 ≤Ti ≤ 0.05 and 0.00005≤ B ≤ 0.025 or less with respect to 1 mole of metal in the total lithium metal oxide. The average density of the secondary particles is from 0.97 to 1. The BET value of the secondary particles is 0.5 m2/g or less.

Подробнее
11-04-2019 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

Номер: WO2018151566A3
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, and provides a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising: a lithium composite oxide core; and a surface part located on a surface of the core part, wherein the surface part contains an Al element and an M element; M is Mg, Ti, Ca, W, B, Ba, Zr, or a combination thereof; and the elements of the surface part satisfy the contents in equation 1 below: [Equation 1] Y = AX + C. In equation 1, Y is the total amount of Al and M in the surface part; X is a BET specific surface area value of the positive electrode active material; C is the minimum value of the total amount of Al, B, and M in the surface part; A is the slope for X and Y; 1500 < A < 1800; and 600 < C < 1000.

Подробнее
28-03-2019 дата публикации

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

Номер: WO2019059461A2
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, and a lithium secondary battery comprising the same. A cathode active material for lithium secondary battery, according to one embodiment of the present invention, is a secondary particle in which lithium metal oxide primary particles are aggregated, and is represented by Formula 1 below, wherein the lithium metal oxide particles have a nickel-based layered structure, wherein the average density of the secondary particle is 0.8 or greater to 1 or less, the Dmin particle size change after pressing at a pressure of 200 MPa is within 2.9 μm, and the average particle size of the primary particles may be 0.1 to 1 μm. [Formula 1] Liα[ (ΝixCoy)1-βΑβ]O2 ...

Подробнее
08-09-2017 дата публикации

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

Номер: WO2017150914A1
Принадлежит:

Provided is a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising: a core comprising a compound represented by chemical formula 1; and a coating layer positioned on the surface of the core. Chemical formula 1: Li [LizA(1-z-a)Da]Eb02-b (In chemical formula 1, A is NiαCoβMnƔ; D is at least one element selected from the group consisting of Mg, Al, B, Zr, Mo, Nb and Ti; E is at least one element selected from the group consisting of P, F and S; —0.05 ≤ z ≤ 0.1; 0 ≤ a ≤ 0.05; 0 ≤ b ≤ 0.05; 0.3 ≤ α ≤ 0.9; 0.05≤ β ≤0.4; and 0.05≤ Ɣ ≤0.4.) ...

Подробнее
04-08-2016 дата публикации

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

Номер: WO2016122277A1
Принадлежит:

Provided is a positive active material for a lithium secondary battery, the material being a compound capable of reversible intercalation and deintercalation of lithium and represented by chemical formula 1: [chemical formula 1] LiaM1-bM'bO2, wherein metal M is at least one element selected from the group consisting of Ni, Co, and Mn; M' is at least one element selected from the group consisting of Zr, Ti, Mg, Ca, V, Zn, W, Mo, Sn, Ga, B, and Al; 0.90 Подробнее

09-03-2016 дата публикации

NICKEL-BASED COMPLEX OXIDE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020160026306A
Принадлежит:

The present invention relates to a nickel-based complex oxide for a lithium secondary battery, and a lithium secondary battery comprising the same. The nickel-based complex oxide for a lithium secondary battery comprises: a core unit; and at least one tunnel unit which is connected from the inside of the core unit to the outside of the core unit, wherein the tunnel has the diameter of 100 nm or more, and further comprises a coating layer placed at an inner side of the tunnel and an outer side of the core unit. According to the present invention, high rate properties and lifespan properties can be improved. COPYRIGHT KIPO 2016 ...

Подробнее
10-08-2016 дата публикации

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

Номер: KR1020160094894A
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, to a manufacturing method thereof, and to a lithium secondary battery comprising the same. Provided is the positive electrode active material for a lithium secondary battery, which comprises: a compound which can perform reversible intercalation and deintercalation of lithium; and a coating layer positioned on at least a portion of a surface of the compound. The coating layer comprising S is a complex coating layer, which additionally comprises a lithium metal oxide, a metal oxide, and/or the combination thereof. At least any one of the lithium metal oxide and the metal oxide comprises metal M, independently of each other. Provided is the positive electrode active material for a lithium secondary battery, having high capacity, high efficiency, and excellent lifespan properties. COPYRIGHT KIPO 2016 ...

Подробнее
05-08-2016 дата публикации

POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY COMPRISING POSITIVE ACTIVE MATERIAL

Номер: KR1020160092946A
Принадлежит:

The present invention relates to a positive active material for a lithium secondary battery, a method for manufacturing the positive active material, and a lithium secondary battery comprising the positive active material. Provided is the positive active material for a lithium secondary battery, the positive active material comprising: a first positive active material which includes a compound adapted to enable reversible intercalation and deintercalation of lithium and a coating layer disposed on at least part of a surface of the compound, wherein the coating layer includes Li_3PO_4 or LiF, the coating layer is a composite coating layer further including a lithium metal oxide, a metal oxide, or a combination thereof, at least any one of the lithium metal oxide and the metal oxide independently includes metal M, and metal M includes at least one element selected from the group consisting of Mg, Ti, Al, Si, Sn, and Zr; and a second positive active material which includes a compound adapted ...

Подробнее
21-09-2016 дата публикации

VACUUM CIRCUIT BREAKER

Номер: KR1020160109583A
Автор: CHOI, SOO AN
Принадлежит:

The present invention relates to a vacuum circuit breaker (V.C.B). The vacuum circuit breaker according to the present invention includes a plurality of vacuum interrupters. Each of the plurality of vacuum interrupters includes: a movable lead part movably formed in the upper portion of the vacuum interrupter; and a fixed lead part formed to be fixed to the lower portion of the vacuum interrupter. The movable lead part and the fixed lead part are maintained inside a vacuum chamber, and a coil part is formed around the vacuum chamber. COPYRIGHT KIPO 2016 (22) Current meter ...

Подробнее
05-12-2016 дата публикации

리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Номер: KR0101682502B1
Принадлежит: 주식회사 엘 앤 에프

... 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 리튬의 가역적인 인터칼레이션 및 디인터칼레이션이 가능한 화합물; 및 상기 화합물의 표면의 적어도 일부에 위치하는 코팅층을 포함하고, 상기 코팅층은 Li3P04를 포함하고, 상기 코팅층은 리튬 금속 화합물, 금속 산화물, 및/또는 이들의 조합을 더 포함하는 복합 코팅층인 것인 리튬 이차 전지용 양극 활물질을 제공한다.

Подробнее
04-01-2018 дата публикации

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

Номер: WO2018004078A1
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, and a lithium secondary battery comprising same, and provides lithium metal oxide powder comprising lithium metal oxide particle aggregates comprising Co as the essential element at the metal site, wherein the lithium metal oxide particle aggregates comprise lithium metal oxide particles having a median diameter of 0.5-2 μm and Li/Me ≥ 1.

Подробнее
04-07-2019 дата публикации

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

Номер: WO2019132080A1
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, a preparation method thereof, and a lithium secondary battery comprising the same. A cathode active material for a lithium secondary battery, according to one embodiment, may comprise a compound represented by the following chemical formula 1. [Chemical formula 1] Li1+k[M11-α M2α]O2-βQβ In chemical formula 1, M1 is NixCoyMnz, M2 is TiaZrbMgcM3d, M3 comprises at least one of alkaline-earth metal, alkali metal, a metal element of groups 3 to 12, and an element of groups 13 to 15, and Q comprises at least one of P and S, wherein -0.1 ≤ k ≤ 0.1, 0.0007≤ α ≤ 0.05, 0 ≤ β ≤ 0.1, 0.800 ≤ x ≤ 0.880, 0.01 ≤ y ≤ 0.15, 0.01 ≤ z ≤ 0.199, 1.6 ≤ (a+b)/c ≤ 10, and 0 ≤ d ≤ 0.01.

Подробнее
19-09-2017 дата публикации

POSITIVE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY, METHOD OF PREPARING SAME, AND SECONDARY LITHIUM BATTERY COMPRISING SAME

Номер: KR1020170105307A
Принадлежит:

The present invention provides a positive electrode active material for a secondary lithium battery, wherein the positive electrode active material is represented by chemical formula 1 and comprises a core containing a compound having a core portion and a surface portion, the compound in which an L3/L2 intensity ratio of Ni on the surface portion is lower than an L3/L2 intensity ratio of Ni on the core portion. In the chemical formula 1 of Li[LizA(1-z-a)Da]EbO2-b: A = NiαCoβMnγ; D is one or more elements selected from the group consisting of Na, K, Mg, Ca, Sr, Ni, Co, Ti, Al, B, Si, Sn, Mn, Cr, Fe, V, Zr, Nb, and Mo; E is one or more elements selected from the group consisting of P, F, and S; and the following equations are satisfied, -0.05 <= z <= 0.1, 0 <= a <= 0.05 and 0 <= b <= 0.05, 0.3 <= α <= 0.9, 0.05<= β<=0.4, and 0.05<= γ<=0.4. The L3/L2 intensity ratio of Ni is an oxidation number of Ni as measured by electron energy loss spectroscopy (EELS). COPYRIGHT KIPO 2017 ...

Подробнее