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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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 138. Отображено 100.
16-05-2017 дата публикации

다공성 리튬 인산철 입자 제조방법

Номер: KR0101736558B1
Автор: 전인국, 조승범, 최지훈
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 끓는점이 150℃ 이상인 비수용성 용매에 리튬 전구체, 철 전구체 및 인 전구체를 상기 비수성 용매 대비 각각 1 m (몰랄농도) 이상 넣고 혼합 용액을 제조하는 단계; 및 (b) 상기 혼합 용액을 반응기에 투입하고 가열하여, 1bar 이상 10bar 미만의 압력 조건 하에서 리튬 인산철 전구체 시드 를 합성하는 단계; (c) 상기 리튬 인산철 전구체 시드를 비활성 분위기 하에서 500℃ 이상의 온도로 열처리하여 다공성 카본/리튬 인산철 복합체 분말을 제조하는 단계; 를 포함하는 다공성 카본/리튬 인산철 복합체 분말 제조방법 및 상기 방법에 따라 제조된 다공성 카본/리튬 인산철 복합체 분말에 관한 것이다.

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Номер записи: 1
12-10-2016 дата публикации

이차전지용 양극활물질 및 이의 제조 방법

Номер: KR0101665766B1
Автор: 이동권, 조승범, 노준석, 장욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 금속 글리콜레이트 용액을 제조하는 1 단계; 리튬 함유 전이금속 산화물 입자와 상기 금속 글리콜레이트 용액을 혼합하여 페이스트 상태로 교반하는 2 단계; 상기 페이스트 상태의 혼합물을 건조하는 3 단계; 및 상기 건조된 혼합물을 열처리하는 4 단계를 포함하는 것을 특징으로 하는 양극활물질의 제조 방법과, 이러한 방법에 의해 제조된 금속 산화물층을 포함하는 양극활물질 및 이를 포함하는 양극으로 이루어진 이차전지에 관한 것이다.

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Номер записи: 2
24-03-2011 дата публикации

METHOD FOR PREPARING A CERIUM CARBONATE COMPOUND, METHOD FOR PREPARING CERIUM OXIDE, AND CRYSTALLINE CERIUM OXIDE

Номер: WO2011034287A2
Автор: CHO, Seung-Beom, CHOI, Sang-Soon, CHO, Jun-Yeon
Принадлежит:

The present invention relates to a method for preparing a cerium carbonate compound, which enables the easy adjustment of the crystal structure, size, shape, etc. of the cerium carbonate compound, and which enables the preparation of the cerium carbonate compound in an economic and efficient manner. The method for preparing a cerium carbonate compound comprises a step of enabling lanthanite to react under a temperature-rising condition to prepare a cerium carbonate compound comprising orthorhombic cerium oxycarbonate hydrate (Ce2O(CO3)2·H2O) or hexagonal cerium hydroxy carbonate (Ce(OH)·(CO3)).

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Номер записи: 3
17-07-2014 дата публикации

METHOD FOR PREPARING CARBON-COATED LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: WO2014109582A1
Автор: JUN, In Kook, CHO, Seung Beom, OH, Myoung Hwan, JANG, Wook
Принадлежит:

The present invention relates to a method for preparing a carbon-coated lithium iron phosphate nanopowder and a lithium iron phosphate nanopowder prepared by the method, the method comprising the steps of: (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor to a triethanolamine solvent; (b) preparing amorphous lithium iron phosphate nanoseeds by injecting the mixture solution into a reactor and reacting the same; and (c) preparing a lithium iron phosphate nanopowder in which a part of the particle surface or the entire particle surface is coated with carbon, by heat treating the prepared lithium iron phosphate nanoseeds. It is possible to prepare, through a simple two-step process, a lithium iron phosphate nanopowder having a carbon coating layer formed on particles while controlling a particle size and a particle size distribution. In addition, a lithium secondary battery containing the prepared carbon-coated lithium iron phosphate ...

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Номер записи: 4
29-01-2015 дата публикации

POLYCRYSTALLINE LITHIUM MANGANESE OXIDE PARTICLES, METHOD FOR PREPARING SAME, AND ANODE ACTIVE MATERIAL CONTAINING POLYCRYSTALLINE LITHIUM MANGANESE OXIDE PARTICLES

Номер: WO2015012648A1
Автор: KWAK, Ick Soon, CHO, Seung Beom, CHAE, Hwa Seok
Принадлежит:

The present invention provides polycrystalline lithium manganese oxide particles represented by chemical formula 1 below, and a method for preparing same: Li(1+x)Mn(2-x-y-f)AlyM(f)O(4-z), wherein in the formula, M is one element or two or more elements selected from the group consisting of B, Co, V, La, Ti, Ni, Zr, Y, and Ga, and 0≤x≤0.2, 0 Подробнее

Номер записи: 5
10-12-2018 дата публикации

리튬 이차전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지

Номер: KR0101926572B1
Автор: 최지훈, 전인국, 조승범, 채화석, 윤여준
Принадлежит: 주식회사 엘지화학

... 본 발명은 구조적 안정성이 높은 LixMyBO3(M= Mn, Fe, Co, Ni, Cu 및 Zn 으로 이루어진 군에서 선택되는 어느 하나 이상의 원소이고, 0.9≤x≤1.1, 0.9≤y≤1.1)을 리튬 전이금속 산화물 입자의 표면에 코팅함으로써, Li2O-2B2O3을표면코팅한 양극 활물질 대비 고전압 특성이 개선되고, 전해질과의 부반응을 최소화시켜 전지 안정성 및 사이클 특성이 개선된 이차전지를 제공할 수 있다.

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Номер записи: 6
27-07-2015 дата публикации

REGENARATION METHOD OF SPENT ABRASIVES CONTAINING CERIA

Номер: KR0101539421B1
Автор: 김종필, 조승범, 노준석, 곽익순
Принадлежит: 주식회사 엘지화학

... 본 발명은 세리아 함유 폐연마재에 포함된 불순물을 효과적으로 제거하면서, 재생 공정의 안정성을 확보할 수 있으므로, 세리아 함유 폐연마재의 적절한 재생을 가능케 하는 세리아 함유 폐연마재의 재생 방법에 관한 것이다. 상기 세리아 함유 폐연마재의 재생 방법은 세리아(CeO2) 함유 폐슬러지를 (a) NaHF2, (NH4)HF2 또는 KHF2의 불소계 화합물을 포함하거나, (b) NaF, (NH4)F 또는 KF의 불소 염과, 비불산계 산의 혼합물을 포함하는 용해제 용액에 용해시키는 단계; 상기 세리아 함유 폐슬러지를 세정하여, 용해제 용액에 용해된 실리카(SiO2) 함유 불순물을 제거하는 단계; 및 상기 세정된 세리아 함유 폐슬러지를 재분산 및 여과하거나, 건조 및 소성하는 단계를 포함한다.

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Номер записи: 7
02-04-2015 дата публикации

CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR PREPARING SAME

Номер: WO2015047023A1
Автор: LEE, Dong Kwon, CHO, Seung Beom, NHO, Jun Seok, JANG, Wook
Принадлежит:

The present invention relates to a method for preparing a cathode active material, a cathode active material comprising a metal oxide layer prepared by the method, and a secondary battery having a cathode comprising the same, the method comprising: a first step of preparing a metal glycolate solution; a second step of mixing lithium containing transition metal oxide particles with the metal glycolate solution and stirring the mixture to a paste state; a third step of drying the mixture in the paste state; and a fourth step of heat-treating the dried mixture.

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Номер записи: 8
16-04-2020 дата публикации

APPARATUS FOR MAINTAINING GAZE BY MEANS OF AFTERIMAGE, AND GAME DEVICE COMPRISING SAME

Номер: WO2020075981A1
Автор: CHO, Seung Bum
Принадлежит:

The present invention relates to an apparatus for maintaining gaze by means of afterimage, which forces surrounding attention to improve the effect of advertising and promotions or game participation, and a game machine comprising same. An apparatus for maintaining gaze by means of afterimage according to an embodiment of the present invention comprises: an afterimage display body for displaying an afterimage video by means of an afterimage by moving a plurality of afterimage light sources; a drive mechanism for moving the afterimage display body; a display body housing for accommodating the afterimage display body to protect the afterimage display body; and a resistance reduction hole formed through the display body housing to circulate air such that air resistance is reduced by air stagnant in the display body housing during movement of the afterimage display body. Therefore, attention can be drawn through the improvement of visual effects by means of afterimage video.

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Номер записи: 9
30-05-2018 дата публикации

METHOD FOR DETECTING STALL OF STEP MOTOR AND APPARATUS THEREOF

Номер: KR101862111B1
Автор: CHO, SEUNG BEOM
Принадлежит: IMPACT TECHNOLOGY CORP., CHO, SEUNG BEOM

Disclosed are a method for detecting a stall of a step motor by grasping a degree of distortion of a current profile and an apparatus thereof. The method comprises the steps of: (A) converting a reference current profile according to a supply voltage of a step motor into a database; (B) measuring the supply voltage to a step motor; (C) measuring a current at regular intervals while the current flows through a coil of the step motor; (D) calculating a current profile according to the measured supply voltage and the measured current; (E) calculating a sum of difference between the calculated current profile and the reference current profile; and (F) determining a state of a stall of the step motor based on the sum of the difference between the calculated current profile and the reference current profile. COPYRIGHT KIPO 2018 (110) Database (130) Profile creation module (131) Measuring unit (133) Profile calculation unit (150) Sensing module (151) Determination coefficient calculating unit ...

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Номер записи: 10
31-12-2018 дата публикации

LITHIUM SECONDARY BATTERY

Номер: KR1020180138395A
Автор: SUNG, DA YOUNG, JUN, IN KOOK, CHOI, JI HOON, CHO, SEUNG BEOM, JANG MIN CHUL
Принадлежит:

The present invention relates to a lithium secondary battery comprising: an anode coated with a boron-containing ion conductive material; a lithium metal cathode; and an ether-based electrolyte. A coating layer of the anode shields direct contact with the electrolyte and prevents reduction of cycle life of the lithium secondary battery due to lithium dendrite growth by interposing the ether-based electrolyte between the anode and the cathode. Therefore, the lithium secondary battery is applicable to a battery field of an electric car in which a high capacity, high output battery is used. COPYRIGHT KIPO 2019 ...

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Номер записи: 11
22-03-2023 дата публикации

화학물질 저장탱크의 방재 시스템

Номер: KR20230039958A
Автор: 조승범, 윤준헌, 신창현, 이은미, 김승하
Принадлежит:

... 화학물질 저장탱크의 방재 시스템이 제공된다. 상기 화학물질 저장탱크의 방재 시스템은, 화학물질 저장탱크에 인접하게 배치되는 분사부를 포함한다. 상기 분사부는 유체를 공급하는 유체 공급관, 상기 유체 공급관에 연결되어 상기 유체를 분사하는 노즐, 및 상기 유체 공급관과 상기 노즐 사이에 배치되어 상기 노즐의 각도를 조절하는 노즐 각도조절부를 포함한다.

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Номер записи: 12
07-04-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR MANUFACTURING SAME

Номер: WO2016052944A1
Автор: KWAK, Ick Soon, CHO, Seung Beom, YOON, Yeo June
Принадлежит:

The present invention provides a positive electrode active material and a method for manufacturing the same, the positive electrode active material being characterized by comprising lithium transition metal oxide particles; and at least one kind of conductive oxide particles on the surface of the lithium transition metal oxide particles. A positive electrode active material according to an embodiment of the present invention comprises lithium transition metal oxide particles and specific conductive oxide particles, which have a single phase, thereby having excellent electron conductivity, having excellent ion transfer capability such that metal ions, such as lithium ions, can be transferred to the lithium transition metal oxide particles, and being able to minimize a decrease in capacity or output of a secondary battery.

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Номер записи: 13
11-01-2018 дата публикации

METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, MANUFACTURED ACCORDING TO SAME

Номер: WO2018008952A1
Автор: LEE, Hyuck, CHO, Seung Beom, SON, San Su, JU, Jin Wook, CHOI, Sang Soon, KIM, Jong Pil
Принадлежит:

The present invention provides a method for manufacturing a positive electrode active material for a secondary battery, comprising the steps of: mixing a metal precursor for a positive electrode active material having an average particle diameter ratio of 2000 to 5:1 with a raw material including a doping element by using acoustic resonance to prepare a precursor having been doped by the doping element; and mixing the doped precursor with a lithium raw material and then heat-treating the same, so that the secondary battery is uniformly doped by various doping elements without a danger of damage to a surface of the active material and property deterioration thereof. Further, the present invention provides a positive electrode active material, which is manufactured by the method and thus has an improved structural stability, and can enhance a property of a battery, to which the method is applied, for example, can minimize reduction of the capacity of the battery and improve a cycle property ...

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Номер записи: 14
26-12-2018 дата публикации

ROASTER INCLUDING COMPLEX FUNCTION

Номер: KR101932451B1
Автор: KWON SUN HO, CHOE YONG JAE, JO SEUNG BEOM, CHOE NAM JUN
Принадлежит: DONGWON HI-TECH CO., LTD.

The present invention relates to a roaster including a complex function, capable of roasting various foods such as meat with charcoal fire therein or being used as an outdoor brazier. According to an embodiment of the present invention, the roaster includes: a leg support part including a first cut part formed on the upper surface; a main body placed on the leg support part, and comprising a second cut part corresponding to the first cut part and formed on the floor surface, a lower door installed to be openable, and a fire outlet formed on the upper surface; a charcoal tray stored in the main body, including a third cut part formed on the floor surface, and storing charcoal; and an upper body placed on the main body, and comprising a fire inlet formed on the floor surface to be connected to the fire outlet, a guide rail formed to face the inner surface to support a grill, and an upper door installed to be openable. COPYRIGHT KIPO 2019 ...

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Номер записи: 15
27-04-2016 дата публикации

CERIA NANOPARTICLES AND METHOD FOR PREPARING THE SAME

Номер: KR0101616048B1
Автор: 전인국, 조승범, 최상순, 오명환
Принадлежит: 주식회사 엘지화학

... 본 발명은 세리아 나노입자, 이의 제조방법 및 이를 포함하는 CMP슬러리 조성물에 관한 것이다. 보다 상세하게는, 세리아 전구체를 열처리 및 분쇄하는 단계를 포함하는 간단한 공정을 사용하여 경제적이고 대량 생산이 가능하면서도, 세리아 입자간의 응집이 발생하지 않아 평균 입경이 작고, 입도 분포 또한 균일한 세리아 나노입자의 제조방법과 상기 제조방법으로부터 얻어지는 세리아 나노입자에 관한 것이다.

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Номер записи: 16
30-08-2017 дата публикации

리튬 망간인산화물 합성 방법 및 이로부터 제조된 리튬 망간인산화물

Номер: KR0101768755B1
Автор: 최지훈, 조승범, 전인국
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 폴리올 반응 용매에 리튬 전구체, 망간 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; (b) 상기 혼합 용액을 반응기 내에 투입하고 시트르산을 첨가한 후 반응시켜 리튬 망간인산화물 이차입자를 제조하는 단계; 및 (c) 상기 반응 용매로부터 리튬 망간인산화물 이차입자를 수득하는 단계;를 포함하는 리튬 망간인산화물 합성 방법 및 상기 방법에 따라 제조된 리튬 망간인산화물에 관한 것이다. 본 발명의 방법에 의해 단일 공정을 통해 입자 크기 및 결정 방향이 제어된 양극활물질용 리튬 망간인산화물 이차입자를 제조할 수 있다. 또한, 상기 제조된 리튬 망간인산화물 이차입자를 양극활물질로 포함하는 리튬 이차전지는 용량 및 안정성 면에서 우수하다.

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Номер записи: 17
08-02-2017 дата публикации

POSITIVE ELECTRODE FOR SOLID LITHIUM ION SECONDARY BATTERY, AND SOLID LITHIUM ION SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170014388A
Автор: JUNG, YOON SOO, JANG, WOOK, AHN, JUN SEONG, CHO, SEUNG BEOM, CHAE, JONG HYUN, YANG, DOO KYUNG, SUNG, DA YOUNG
Принадлежит:

The present invention relates to a positive electrode for a solid lithium ion secondary battery, and a solid lithium ion secondary battery comprising the same. The positive electrode for a solid lithium ion secondary battery comprises: a sulfide-based electrolyte; and an oxide-based positive electrode active material in which a coating layer comprising polyimide is formed on the surface. The positive electrode for a solid lithium ion secondary battery comprises an oxide-based positive electrode active material in which a coating layer comprising polyimide is formed on the surface, thereby inhibiting reactivity between a positive electrode active material and a solid electrolyte, and securing lithium ion transfer paths, so a solid lithium ion secondary battery comprising the positive electrode has improved charging and discharging efficiency. COPYRIGHT KIPO 2017 (AA) Example 1 (BB) Example 2 (CC) Comparative example 1 ...

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Номер записи: 18
20-03-2014 дата публикации

METHOD FOR REGENERATING SPENT CERIA-CONTAINING POLISHING AGENT

Номер: WO2014042431A1
Автор: KWAK, Ick-Soon, CHO, Seung-Beom, NOH, Jun-Seok, KIM, Jong-Pil
Принадлежит:

The present invention relates to a method for regenerating spent ceria-containing polishing agent, the method allowing the regeneration process, comprising a cleaning process, to be efficient and suppressing re-coagulation of the ceria-containing polishing agent during the cleaning process, while effectively discarding the impurities contained in the spent ceria-containing polishing agent. The method for regenerating the spent ceria-containing polishing agent comprises the steps of: mixing spent ceria(CeO2)-containing sludge and a solvent containing a fluorine compound, and selectively dissolving silica(SiO2)-containing impurities contained in the spent sludge; cleaning the spent ceria-containing sludge by passing same through a cross-flow filtration system and selectively discarding the silica(SiO2)-containing impurities; and drying and sintering the cleaned spent ceria-containing sludge.

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Номер записи: 19
29-01-2015 дата публикации

ANODE ACTIVE MATERIAL AND METHOD FOR MANUFACTURING SAME

Номер: WO2015012651A1
Автор: KWAK, Ick Soon, CHO, Seung Beom, CHAE, Hwa Seok
Принадлежит:

The present invention provides an anode active material comprising a polycrystalline lithium manganese oxide and a coating layer containing sodium on the surface of the polycrystalline lithium manganese oxide, and a method for manufacturing the anode active material. The anode active material according to one embodiment of the present invention comprises the coating layer containing sodium on the surface of the polycrystalline lithium manganese oxide, thereby preventing direct contact between the polycrystalline lithium manganese oxide and an electrolyte solution and thus preventing a side reaction between the anode active material and the electrolyte solution. In addition, tap density, life characteristics, and charge/discharge capacity characteristics of a secondary battery can be improved by resolving the problems of Jahn-Teller distortion and of elution of Mn2+ by structurally stabilizing the lithium manganese oxide.

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Номер записи: 20
15-06-2017 дата публикации

POSITIVE ELECTRODE ADDITIVE FOR LITHIUM SECONDARY BATTERIES AND SECONDARY BATTERY INCLUDING SAME

Номер: KR1020170067081A
Автор: JUN, IN KOOK, CHO, SEUNG BEOM, CHOI, JI HOON
Принадлежит:

The present invention relates to a positive electrode additive for lithium secondary batteries. More specifically, by containing oxide particles having a perovskite-like structure with excellent lithium ion conductivity, wettability of electrolytes and positive electrode active materials increases, and output characteristics of batteries can also be enhanced by increasing mobility of lithium ions. Additionally, by absorbing H_2O existing in the electrolytes, it is possible to increase lifespan properties of the batteries as well. COPYRIGHT KIPO 2017 ...

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Номер записи: 21
17-07-2014 дата публикации

METHOD FOR MANUFACTURING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: WO2014109574A1
Автор: JUN, In Kook, CHO, Seung Beom, OH, Myoung Hwan
Принадлежит:

The present invention relates to a method for manufacturing lithium iron phosphate nanopowder and a lithium iron phosphate nanopowder manufactured by the method, wherein the method comprises the steps of: (a) adding lithium precursors, iron precursors, and phosphorous precursors to a reaction solvent and preparing a mixed solution; and (b) injecting the mixed solution into a reactor and heating same to synthesize the lithium iron phosphate nanopowder at a pressure of at least 1bar to less than 10bar. Compared to existing techniques such as hydrothermal synthesis, supercritical water, and glycothermal methods, the present invention can advance a reaction under relatively low pressure conditions, thereby not using a high-temperature/high-pressure reactor so that safety and economic feasibility of the process are secured, and can easily produce the lithium iron phosphate nanopowder of which particle size and particle size distribution are effectively controlled.

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Номер записи: 22
17-07-2014 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: WO2014109576A1
Автор: JUN, In Kook, CHO, Seung Beom, OH, Myoung Hwan
Принадлежит:

The present invention relates to a method for preparing a lithium iron phosphate nanopowder and a lithium iron phosphate nanopowder prepared by the method, the method comprising the steps of: (a) introducing a lithium precursor, an iron precursor, and a phosphorus precursor into a glycerol solvent so as to prepare a mixed solution; and (b) introducing the mixed solution into a reactor and heating same so as to synthesize a lithium iron phosphate nanopowder at a pressure of 10-100 bars. The present invention is configured such that a reaction can be conducted at a relatively low pressure in comparison with the conventional hydrothermal synthesis and supercritical water method and a lithium iron phosphate nanopowder having the particle size and particle size distribution thereof effectively controlled can easily be prepared in comparison with the conventional glycothermal method.

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Номер записи: 23
19-10-2015 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: KR0101561375B1
Автор: 전인국, 조승범, 오명환
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 반응 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; 및 (b) 상기 혼합 용액을 반응기에 투입하고 가열하여, 1bar 이상 10bar 미만의 압력 조건 하에서 리튬 인산철 나노분말을 합성하는 단계; 를 포함하는 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 종래의 수열 합성법, 초임계수법 및 글리코써멀 방법과 대비할 때, 상대적인 저압 조건에서 반응을 진행시킬 수 있게 되고, 이에 따라 고온/고압 반응기를 사용하지 않아 공정의 안전성과 경제성을 확보하면서도, 균일한 입자 크기를 가진 입도 분포가 제어된 리튬 인산철 나노분말을 용이하게 제조할 수 있다.

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Номер записи: 24
20-06-2016 дата публикации

SUPPORT YOKE FOR STEERING APPARATUS

Номер: KR1020160070392A
Автор: CHO, SEUNG BUM
Принадлежит:

The present invention relates to a support yoke for a steering apparatus, and more specifically, to a support yoke for a steering apparatus to secure the hardness/strength of a metal support yoke and the robustness to reduce the rattle of a plastic support yoke at the same time. According to the present invention, a support yoke mounted in a rear side of a rack bar to be able to support and maintain an engaging state between a pinion shaft and the rack bar of a steering gear is coupled to a yoke plug by placing a yoke spring to press the support yoke to a pinion shaft side between the support yoke and the yoke plug, wherein the support yoke comprises: a metal yoke part formed by a metallic material to secure hardness; and a plastic yoke part formed by a plastic material to reduce an abnormal sound generated between the support yoke and the yoke plug during rattling, and the plastic yoke part and the metal yoke part are assembled in a form stacked on each other. COPYRIGHT KIPO 2016 (AA) ...

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Номер записи: 25
18-01-2023 дата публикации

생체 신호 측정 장치 및 그 사용 방법

Номер: KR102488621B1
Автор: 조승범, 정종욱
Принадлежит: 주식회사 에이티센스

... 본 발명은 피부에 생체 신호 측정을 위한 센서들을 밀착시켜 접촉력을 유지할 수 있는 생체 신호 측정 장치 및 그 사용 방법을 제공하는 것을 목적으로 한다. 본 발명의 일 실시예에 따른 생체 신호 측정 장치는, 배터리를 포함하는 하우징; 및 띠 형상으로 연장 형성되며, 상기 하우징이 일면에 배치되어 전기적으로 연결되며, 복수의 센서전극을 포함하는 플렉서블한 기판; 을 포함하고, 상기 하우징과 복수의 상기 센서는 상기 기판의 길이방향을 따라 배치되며, 상기 하우징은 복수의 상기 센서 사이에 배치되되, 상기 기판의 중앙으로부터 이격된 위치에 배치된다.

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Номер записи: 26
17-10-2019 дата публикации

METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL

Номер: WO2019198944A1
Автор: JUNG, Won Sig, CHO, Seung Beom, CHOI, Sang Soon
Принадлежит:

The present invention relates to a method for producing a positive electrode active material and, more particularly, to a method for producing a positive electrode active material, comprising the steps of: injecting a reaction mixture containing a lithium raw material and a nickel-manganese-cobalt precursor into a continuous kiln and subjecting the reaction mixture to a first heat treatment to form a plastic mixture; pulverizing or classifying the plastic mixture; and placing the pulverized or classified plastic mixture in a rotary kiln and subjecting the plastic mixture to a second heat treatment to form a lithium nickel manganese cobalt-based positive electrode active material.

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Номер записи: 27
06-04-2016 дата публикации

ENVIRONMENTALLY STABLE FIBER LASER APPARATUS

Номер: KR0101609549B1
Автор: 김덕영, 소병휘, 배윤성, 조승범
Принадлежит: 연세대학교 산학협력단

... 본 발명의 실시예에 따른 광섬유 레이저 장치는 레이저 광원부; 상기 레이저 광원부로부터 일측 방향으로 이격된 편광 변환부; 상기 레이저 광원부로부터 타측 방향에 이격 구비되고 상기 편광 변환부와 동일한 광축을 갖는 광섬유; 상기 광섬유로부터 타측 방향에 구비되고 상기 광섬유와 동일한 광축을 갖는 제 2 콜리메이터; 및 상기 제 2 콜리메이터로부터 타측 방향에 구비되고 상기 제 2 콜리메이터와 동일한 광축을 갖는 패러데이 회전 거울;을 포함한다. 본 발명의 실시예에 따른 광섬유 레이저 장치는 패러데이 회전 거울과 편광 변환부 사이에 광섬유와 같은 어떠한 광학적 이방성 물질을 구비한 구조에서 광섬유에 의한 편광 효과를 모두 상쇄시켜 환경에 대한 특성변화를 최소화시킨 안정적인 레이저를 출력할 수 있는 효과가 있다.

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Номер записи: 28
07-03-2016 дата публикации

SURFACE-COATED POSITIVE ELECTRODE ACTIVE MATERIAL, PRODUCING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: KR1020160024777A
Автор: JANG, WOOK, CHO, SEUNG BEOM, KWAK, ICK SOON, AHN, JUN SEONG
Принадлежит:

The present invention relates to a surface-coated positive electrode active material, a producing method thereof, and a lithium secondary battery comprising the same. More specifically, the present invention relates to a positive electrode active material which is surface-coated with a nanofilm comprising polyimide (PI) and conductive nanoparticles, to a producing method thereof, and to a lithium secondary battery comprising the same. The positive electrode active material which is surface-coated with the nanofilm can prevent a direct contact between the positive electrode active material and an electrolyte, and thus can suppress a side reaction between the positive electrode active material and the electrolyte, can significantly improve lifespan characteristics of the lithium secondary battery using a positive electrode comprising the positive electrode active material, and especially can improve lifespan characteristics and conductivity in high-temperature and high-voltage conditions.

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Номер записи: 29
25-08-2022 дата публикации

양극 활물질용 전구체 및 그 제조 방법

Номер: KR20220118348A
Автор: 이민준, 예성지, 조승범, 이장수, 박윤빈
Принадлежит:

... 본 발명은 반응기에 전이금속 수용액, 암모늄 양이온 착물 형성제 및 염기성 화합물을 공급하면서 공침 반응시켜 양극 활물질용 전구체 씨드(seed)를 형성하는 씨드 형성 단계; 및 상기 양극 활물질용 전구체 씨드가 형성된 반응 용액에 전이금속 수용액, 암모늄 양이온 착물 형성제 및 염기성 화합물을 공급하면서 공침 반응시켜 양극 활물질용 전구체 입자를 성장시키는 입자 성장 단계를 포함하고, 상기 입자 성장 단계에서 상기 전이금속 수용액 및 상기 암모늄 양이온 착물 형성제의 공급 속도를 연속적으로 증가시키면서 반응을 진행하는 것인 양극 활물질용 전구체의 제조 방법에 관한 것이다.

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Номер записи: 30
17-01-2019 дата публикации

METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL

Номер: WO2019013587A1
Автор: CHOI, Sang Soon, CHO, Seung Beom, PARK, Hyun Ah, JUNG, Won Sig
Принадлежит:

The present invention provides a method for producing a cathode active material, comprising the steps of: putting a reaction mixture containing a lithium raw material and a nickel-manganese-cobalt precursor into a first crucible, and subjecting the reaction mixture to a first heat treatment at a temperature of 500℃ to 800℃ to form a plastic mixture; and discharging the plastic mixture from the first crucible, putting the plastic mixture into a second crucible, and subjecting the plastic mixture to a second heat treatment at a temperature of 700℃ to 1000℃ to form a lithium-nickel-manganese-cobalt-based cathode active material, wherein the volume of the plastic mixture formed after the first heat treatment is 20% to 50% of the volume of the reaction mixture put into the first crucible.

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Номер записи: 31
05-10-2017 дата публикации

LITHIUM SECONDARY BATTERY CATHODE ACTIVE MATERIAL AND CATHODE INCLUDING SAME

Номер: WO2017171462A1
Автор: KIM, Jong Pil, CHO, Seung Beom, KIM, Won Tae, SON, San Su, LEE, Hyuck
Принадлежит:

The present invention relates to an cathode active material having improved capacity and life-span characteristics and a manufacturing method therefor and, particularly, to a lithium secondary battery cathode active material and a manufacturing method therefor, the lithium secondary battery cathode active material including a compound, which is represented by chemical formula 1 and enables reversible intercalation and de-intercalation of lithium, and having an MO-slab thickness of 2.1275Å or less, an inter-slab thickness of 2.59Å or more, and a Li and Ni cation mixing degree of 0.5% or less, which were obtained through a crystal structure analysis using the Rietveld method when using a space group R-3m in a crystal structure model on the basis of an x-ray diffraction analysis.

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Номер записи: 32
24-03-2011 дата публикации

METHOD FOR PREPARING A CERIUM CARBONATE COMPOUND, METHOD FOR PREPARING CERIUM OXIDE, AND CRYSTALLINE CERIUM OXIDE

Номер: WO2011034287A3
Автор: CHO, Seung-Beom, CHOI, Sang-Soon, CHO, Jun-Yeon
Принадлежит:

The present invention relates to a method for preparing a cerium carbonate compound, which enables the easy adjustment of the crystal structure, size, shape, etc. of the cerium carbonate compound, and which enables the preparation of the cerium carbonate compound in an economic and efficient manner. The method for preparing a cerium carbonate compound comprises a step of enabling lanthanite to react under a temperature-rising condition to prepare a cerium carbonate compound comprising orthorhombic cerium oxycarbonate hydrate (Ce2O(CO3)2·H2O) or hexagonal cerium hydroxy carbonate (Ce(OH)·(CO3)).

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Номер записи: 33
12-07-2016 дата публикации

SURFACE COATED CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Номер: KR0101637983B1
Автор: 장욱, 이상영, 조승범, 박장훈, 김주명
Принадлежит: 주식회사 엘지화학, 울산과학기술원

... 본 발명은, 양극 활물질; 및 상기 양극 활물질 표면에 코팅된 나노피막을 포함하며, 상기 나노피막은 폴리이미드(PI) 및 섬유형 탄소재를 포함하는 것을 특징으로 하는 표면 코팅된 양극 활물질 및 이의 제조방법을 제공한다. 본 발명의 일 실시예에 따르면, 양극 활물질을 폴리이미드와 섬유형 탄소재를 포함하는 나노피막으로 표면 코팅할 경우, 양극 활물질의 전해액과의 직접적인 접촉을 방지함으로써, 양극 활물질과 전해액과의 부반응을 억제시킬 수 있고, 이로 인해 이차전지의 수명 특성을 현저히 개선시킬 수 있다. 특히, 고온 및 고전압 조건에서의 수명 특성 및 도전성을 향상시킬 수 있다.

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Номер записи: 34
12-06-2015 дата публикации

TRANSITION METAL PRECURSOR, PREPARATION METHOD THEREOF, AND ANODE ACTIVE MATERIAL COMPRISING SAME

Номер: KR1020150065046A
Автор: CHOI, SANG SOON, CHO, SEUNG BEOM, KIM, JONG PIL, JEONG, MYUNG GI, KIM, WON TAE
Принадлежит:

The present invention relates to a preparation method of a transition metal compound precursor, a preparation method thereof, and an anode active material comprising the same, wherein the method comprises a step of performing a coprecipitation reaction by inserting and stirring a transition metal aqueous solution, a polymer additive, an ammonia solution, and an alkalizing agent in a reactor. The transition metal compound precursor having a specific average diameter and configuration can be manufactured by performing a coprecipitation reaction under specific reaction conditions using a polymer additive. In addition, the metal transition precursor manufactured by the method can control a specific surface area and a tap density as well as an average diameter and configuration of lithium transition metal oxides, thereby improving initial capacity of a lithium secondary battery. COPYRIGHT KIPO 2015 ...

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Номер записи: 35
17-07-2014 дата публикации

METHOD FOR MANUFACTURING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: WO2014109572A1
Автор: JUN, In Kook, CHO, Seung Beom, OH, Myoung Hwan
Принадлежит:

The present invention relates to a method for manufacturing lithium iron phosphate nanopowder and a lithium iron phosphate nanopowder manufactured by the method, wherein the method comprises the steps of: (a) adding lithium precursors, iron precursors, and phosphorous precursors to a reaction solvent and preparing a mixed solution; and (b) injecting the mixed solution into a reactor and heating same to synthesize the lithium iron phosphate nanopowder at a pressure of 10-100bar. Compared to existing techniques of hydrothermal synthesis and supercritical water methods, the present invention can advance a reaction under relatively low pressure conditions, and can easily produce the lithium iron phosphate nanopowder of which particle size and particle size distribution are effectively controlled compared to existing an glycothermal method.

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Номер записи: 36
14-11-2019 дата публикации

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

Номер: WO2019216694A1
Автор: JEONG, Myung Gi, SON, Se Hwan, CHO, Seung Beom, CHOI, Sang Soon
Принадлежит:

The present invention relates to a cathode active material, a production method for the cathode active material, a cathode comprising the cathode active material for a lithium secondary battery, and a lithium secondary battery comprising the cathode active material, the cathode active material material being characterized by: comprising a lithium transition metal oxide having an average composition represented by chemical formula 1; having lower cobalt content than manganese content in the lithium transition oxide, the lithium transition oxide having a a concentration gradient in which the concentration of at least one of nickel, cobalt, and manganese varies gradually from the center to the surface of the particle; being in the form of secondary particles resulting from the aggregation of primary particles; and the percentage with which the growth direction of the particle at the measurement sites form 85° to 95° with the c-axis is 60% or greater, as measured at 8 or more sites of the surface ...

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Номер записи: 37
03-11-2016 дата публикации

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

Номер: WO2016175554A1
Автор: CHOI, Ji Hoon, JUN, In Kook, CHO, Seung Beom
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery including the same and, specifically, to a cathode active material for a secondary battery, a manufacturing method therefor, and a lithium secondary battery including the same, the cathode active material comprising: lithium transition metal oxide particles represented by chemical formula 1 below; and lithium metal phosphate nanoparticles represented by chemical formula 2 below, arranged on the surface of the lithium transition metal oxide particles. [Chemical formula 1] Li(1+a)(Ni1-b-cMbCoc)O2: In chemical formula 1, M is at least one metal selected from the group consisting of Mn, Al, Cu, Fe, Mg, Cr, Sr, V, Sc, and Y, and 0≤a≤0.2, 0≤b≤1, 0≤c≤1. [Chemical formula 2] Li1+xM'xM''2-x(PO4)3: In chemical formula 2, M' is Al, Y, Cr, or Ca, and M'' is Ge, Ti, Sn, Hf, Zn, or Zr, and 0≤x≤0.5.

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Номер записи: 38
09-11-2016 дата публикации

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

Номер: KR1020160129731A
Автор: CHOI, JI HOON, JUN, IN KOOK, CHO, SEUNG BEOM
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 including the positive electrode active material. More specifically, the present invention relates to a positive electrode active material for a lithium secondary battery, which has increased structural stability and lithium ion conductivity; to a manufacturing method thereof; and to a lithium secondary battery including the positive electrode active material. The positive electrode active material for a lithium secondary battery comprises: a lithium transition metal oxide particle represented by chemical formula 1: Li_(1+a)(Ni_1-b-cM_bCo_c)O_2; and a lithium metal phosphate nanoparticle which is arranged on the surface of the lithium transition metal oxide particle and is represented by chemical formula 2: Li_1+xM′_xM′_′2-x(PO_4)_3. In chemical formula 1, M is at least one metal selected from the group consisting of ...

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Номер записи: 39
06-09-2016 дата публикации

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

Номер: KR1020160105348A
Автор: KWAK, ICK SOON, CHO, SEUNG BEOM, CHOI, SANG SOON, CHAE, HWA SEOK
Принадлежит:

The present invention relates to a positive electrode active material for a lithium secondary battery, which comprises a lithium nickel-manganese-cobalt oxide represented by chemical formula 1: Li_aNi_xMn_yCo_zO_2, wherein 1<= a <= 1.2, x = 1 - y - z, 0 < y < 1, and 0 < z <1; x > y; and z = ny or y = nz, and n > 1. The lithium nickel-manganese-cobalt oxide included in the positive electrode active material according to the present invention has a nickel content higher than a manganese content, and thus can suppress generation of Ni^(2+), thereby preventing Ni^(2+) from moving to a lithium layer and deteriorating electrochemical performance. Furthermore, improvement on output and high capacity can be adjusted and achieved by appropriately adjusting manganese and cobalt contents as desired. Accordingly, the positive electrode active material according to the present invention can be advantageously used for manufacture of a positive electrode for a lithium secondary battery and manufacture ...

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Номер записи: 40
07-07-2016 дата публикации

METHOD FOR PREPARING LITHIUM MANGANESE PHOSPHATE AND PRODUCT OBTAINED FROM SAME

Номер: KR1020160080242A
Автор: CHOI, JI HOON, CHO, SEUNG BEOM, JUN, IN KOOK
Принадлежит:

The present invention relates to a method for preparing lithium manganese phosphate and a product obtained from the same which may comprise the steps: (a) producing a mixed solution of lithium precursor, manganese precursor, and phosphate precursor mixed in polyol reaction solvent; (b) producing secondary particles of lithium manganese phosphate by loading the mixed solution into a reactor, adding citrate, and letting them react; and (c) yielding secondary particles of lithium manganese phosphate from the reaction solution. According to the method of the present invention, secondary particles of lithium manganese phosphate for cathode active material, which has its particle size and crystal directions controlled can be produced from a single process. Furthermore, a secondary lithium battery including the produced secondary particles of lithium manganese phosphate as cathode active material is superior in respect to capacity and stability. COPYRIGHT KIPO 2016 ...

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Номер записи: 41
07-07-2016 дата публикации

PREPARATION METHOD OF LITHIUM MANGANESE IRON PHOSPHATE AND OLIVINE TYPE LITHIUM MANGANESE IRON PHOSPHATE MANUFACTURED THEREFROM

Номер: KR1020160080243A
Автор: CHOI, JI HOON, CHO, SEUNG BEOM, JUN, IN KOOK
Принадлежит:

The present invention relates to a preparation method of lithium manganese iron phosphate, and lithium manganese iron phosphate prepared by the method. More particularly, the preparation method of lithium manganese iron phosphate comprises the following steps of: (a) manufacturing a mixture solution by injecting a lithium precursor, an iron precursor, a manganese precursor, and a phosphorous precursor to a polyol solvent; (b) conducting a reaction by injecting the mixture solution into an atmospheric reactor; and (c) obtaining lithium manganese iron phosphate from the reaction solvent. The preparation method of lithium manganese iron phosphate controls particle morphology and crystal direction of the prepared lithium manganese iron phosphate through a simple process. COPYRIGHT KIPO 2016 ...

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Номер записи: 42
01-09-2016 дата публикации

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

Номер: WO2016137287A1
Автор: KWAK, Ick Soon, CHO, Seung Beom, CHOI, Sang Soon, CHAE, Hwa Seok
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery comprising a lithium nickel-manganese-cobalt oxide represented by chemical formula 1. The lithium nickel-manganese-cobalt oxide included in the cathode active material according to the present invention contains nickel of which the content is greater than the content of manganese, thereby suppressing generation of Ni2+ and preventing degradation of electrochemical performance caused if Ni2+ moves to a lithium layer. Also, it is possible to appropriately adjust and achieve an increase in output and high capacity, if necessary, by appropriately adjusting the content of manganese and cobalt. Thus, the cathode active material can be usefully used in the manufacture of a cathode for a lithium secondary battery, and the manufacture of a lithium secondary battery comprising the same.

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Номер записи: 43
04-08-2017 дата публикации

안티몬 주석 산화물（ＡＴＯ）나노입자를 포함하는 분산액의 제조방법

Номер: KR0101765361B1
Автор: 오명환, 조승범, 전인국
Принадлежит: 주식회사 엘지화학

... 본 발명은 안티몬 주석 산화물(ATO) 나노입자를 포함하는 분산액의 제조방법에 관한 것으로, ATO 나노입자가 분산된 분산액을 제조할 경우 유기용매를 사용하여 열처리 없이 결정성이 우수하고, 메탈 킬레이트제 또는 분산제 없이도 분산성이 우수하여 투명 전도성 박막 소재로 사용할 수 있다.

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Номер записи: 44
06-07-2018 дата публикации

ANODIC ACTIVE MATERIAL FOR SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Номер: KR1020180077018A
Автор: CHOI, SANG SOON, CHO, SEUNG BEOM, JUN, IN KOOK, JUNG, WON SIG
Принадлежит:

The present invention relates to a lithium transition metal oxide including at least two transition metals selected from a group comprising nickel (Ni), cobalt (Co), and manganese (Mn). Among all the transition metals contained in the lithium transition metal oxide, a nickel (Ni) content is no less than 60 mol%, and at least one among nickel (Ni), cobalt (Co), and manganese (Mn) has a concentration gradient, of which concentration difference between the center of transition metal oxide particles and the surface of the particles is no less than 2 atom%. The lithium transition metal oxide contains at least one doping element selected from a group comprising W, Mo, Ta, Nb, La, and Bi, and the contained doping element is no less than 2,000 ppm. COPYRIGHT KIPO 2018 ...

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Номер записи: 45
07-05-2015 дата публикации

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

Номер: WO2015065098A3
Автор: KWAK, Ick Soon, CHO, Seung Beom, CHAE, Hwa Seok, YOON, Yeo June
Принадлежит:

The present invention provides a cathode active material comprising: lithium transition metal oxide particles; and composite particles, wherein the composite particles comprise any one or a mixture of two or more selected from the group consisting of yttria stabilized zirconia (YSZ), gadolinia-doped ceria (GDC), lanthanum strontium gallate magnesite (LSGM), lanthanum strontium manganite (LSM) and Ni-YSZ, the cathode active material characterized by having composite particles of single-phase peak when measured by X-Ray Diffraction (XRD) analysis. The cathode active material according to one embodiment of the present invention can minimize the capacity reduction or the output reduction of the secondary battery, and can also further improve the lifespan characteristics thereof.

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Номер записи: 46
11-09-2017 дата публикации

양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지

Номер: KR0101777022B1
Автор: 이동권, 조승범, 노준석, 민병현, 김배정
Принадлежит: 주식회사 엘지화학

... 본 발명에서는 리튬 복합금속 산화물 입자를 세라믹계 이온전도체의 나노졸과 혼합하고 열처리하여, 리튬 복합금속 산화물 입자 상에 세라믹계 이온전도체를 포함하는 코팅층을 형성하는 단계를 포함하는 제조방법에 의해 제조되어, 리튬 복합금속 산화물 입자 표면에 세라믹계 이온전도체를 포함하는 코팅층이 균일한 두께로 형성됨으로써, 이차전지에 적용시 용량 감소를 최소화하고, 수명 특성을 향상시킬 수 있는 양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지가 제공된다.

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Номер записи: 47
14-01-2019 дата публикации

이차전지용 양극활물질의 전구체 및 이를 이용하여 제조된 양극활물질

Номер: KR0101937896B1
Автор: 정명기, 우상원, 조승범, 최상순
Принадлежит: 주식회사 엘지화학

... 본 발명에서는 입자 중심에서부터 표면 방향으로 방사형으로 배향된 필라형태의 1차 입자들이 응집된 단일층 구조의 2차 입자를 포함하며, 상기 2차 입자는 쉘 형태를 가지고, 상기 1차 입자는 하기 화학식 1의 Ni-Co-Mn의 복합금속 수산화물을 포함하는 것인 이차전지용 양극활물질의 전구체 및 이를 이용하여 제조한 양극활물질에 관한 것이다: [화학식 1] Ni1-(x+y+z)CoxMyMnz(OH)2 상기 화학식 1에서, M, x, y, z는 명세서 중에서 정의한 바와 같다.

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Номер записи: 48
07-07-2016 дата публикации

MANUFACTURING METHOD OF POROUS LITHIUM IRON PHOSPHATE PARTICLES

Номер: KR1020160080241A
Автор: JUN, IN KOOK, CHO, SEUNG BEOM, CHOI, JI HOON
Принадлежит:

The present invention relates to a manufacturing method of a porous carbon/lithium iron phosphate composite powder, and a porous carbon/lithium iron phosphate composite powder manufactured according to the method. More particularly, the manufacturing method of a porous carbon/lithium iron phosphate composite powder comprises the following steps of: (a) manufacturing a mixture solution by injecting a lithium precursor, an iron precursor, and a phosphorous precursor to a non-aqueous solvent having a boiling point of at least 150°C, wherein each of the components listed above has a concentration of at least 1 m (molal concentration) with respect to the non-aqueous solvent; (b) synthesizing a lithium iron phosphate precursor seed under a pressure condition of at least 1 bar and less than 10 bar by injecting the mixture solution to a reactor and heating the mixture solution; and (c) manufacturing porous carbon/lithium iron phosphate composite particles by heat-treating the lithium iron phosphate ...

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Номер записи: 49
09-06-2016 дата публикации

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

Номер: WO2016089176A1
Автор: LEE, Dong Kwon, CHO, Seung Beom, NOH, Jun Seok, MIN, Byung Hyun, KIM, Bae Jung
Принадлежит:

The present invention provides a cathode active material, a method for preparing the same, and a lithium secondary battery comprising the same, the cathode active material being prepared by a method comprising the steps of: mixing a precursor of a metal for a cathode active material with nanosol of a ceramic ionic conductor, and adsorbing the nanosol of the ceramic ionic conductor onto the surface of the precursor; and mixing a lithium raw material with the precursor onto which the nanosol of the ceramic ionic conductor is adsorbed, and subjecting the mixture to a heat treatment, thereby preparing a cathode active material comprising lithium complex metal oxide particles, wherein a lithium complex metal oxide that is present on the surface side of the lithium complex metal oxide particles is doped with a metallic element of the ceramic ionic conductor. Since the lithium complex metal oxide that is present on the surface is uniformly doped with the metallic element constituting the ceramic ...

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Номер записи: 50
19-10-2015 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: KR0101561376B1
Автор: 전인국, 조승범, 오명환
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 글리세롤(glycerol) 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; 및 (b) 상기 혼합 용액을 반응기에 투입하고 가열하여, 1bar 이상 10bar 미만의 압력 조건 하에서 리튬 인산철 나노분말을 합성하는 단계; 를 포함하는 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 종래의 수열 합성법, 초임계수법 및 글리코써멀 방법과 대비할 때, 상대적인 저압 조건에서 반응을 진행시킬 수 있게 되고, 이에 따라 고온/고압 반응기를 사용하지 않아 공정의 안전성과 경제성을 확보하면서도, 균일한 입자 크기를 가진 입도 분포가 제어된 리튬 인산철 나노분말을 용이하게 제조할 수 있다.

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Номер записи: 51
09-03-2017 дата публикации

표면 코팅된 양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지

Номер: KR0101714892B1
Автор: 장욱, 이상영, 조승범, 안준성, 박장훈, 김주명
Принадлежит: 주식회사 엘지화학, 울산과학기술원

... 본 발명은 표면 코팅된 양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지에 관한 것이다. 보다 구체적으로, 폴리이미드(PI) 및 카본블랙를 포함하는 나노피막으로 표면 코팅된 양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지에 관한 것이다. 이에 따른 상기 나노피막으로 표면 코팅된 양극 활물질은 양극 활물질과 전해액과의 직접적인 접촉을 방지할 수 있어 양극 활물질과 전해액과의 부반응을 억제시킬 수 있으며, 이를 포함하는 양극을 이용한 리튬 이차전지의 수명 특성이 현저히 개선될 수 있으며, 특히 고온 및 고전압 조건에서의 수명 특성 및 도전성이 향상될 수 있다.

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Номер записи: 52
15-06-2017 дата публикации

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

Номер: KR1020170067085A
Автор: CHOI, JI HOON, JUN, IN KOOK, CHO, SEUNG BEOM, CHAE, HWA SEOK, YOON, YEO JUNE
Принадлежит:

The present invention relates to a secondary battery, in which the surface of lithium transition metal oxide particles is coated with Li_xM_yBO_3 (M is at least one element selected from the group consisting of Mn, Fe, Co, Ni, Cu and Zn, 0.9 <= x <= 1.1, 0.9 <= y <= 1.1) having high structural stability, thereby improving the high-voltage characteristics compared to a positive electrode active material surface-coated with Li_2O-2B_2O_3. The secondary battery has improved battery stability and cycle characteristics by minimizing side reactions with an electrolyte. COPYRIGHT KIPO 2017 ...

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Номер записи: 53
17-07-2014 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: WO2014109579A1
Автор: JUN, In Kook, CHO, Seung Beom, OH, Myoung Hwan
Принадлежит:

The present invention relates to a method for preparing a lithium iron phosphate nanopowder and a lithium iron phosphate nanopowder prepared by the method, the method comprising the steps of: (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor to a triethanolamine solvent; and (b) synthesizing a lithium iron phosphate nanopowder under a pressure condition of 1 bar or higher and less than 10 bar by injecting the mixture solution into a reactor and heating the same. A reaction can be carried out under a relatively low pressure condition when compared with conventional hydrothermal synthesis, a supercritical method and a glycothermal method, and thus it is possible to easily prepare a lithium iron phosphate nanopowder having a uniform particle size and a controlled particle size distribution while ensuring the safety and economical efficiency of a process since a high temperature/high pressure reactor is not used.

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Номер записи: 54
19-10-2015 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: KR0101561373B1
Автор: 전인국, 조승범, 오명환
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 반응 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; 및 (b) 상기 혼합 용액을 반응기에 투입하고 가열하여, 10 내지 100bar 압력 조건 하에서 리튬 인산철 나노분말을 합성하는 단계; 를 포함하는 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 종래의 수열 합성법 및 초임계수법과 대비할 때 상대적인 저압 조건에서 반응을 진행시킬 수 있고, 또한 종래의 글리코써멀 방법과 대비하여 입자 크기 및 입도 분포가 효과적으로 제어된 리튬 인산철 나노분말을 용이하게 제조할 수 있다.

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Номер записи: 55
20-10-2015 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: KR0101561377B1
Автор: 전인국, 조승범, 오명환
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 트리에탄올아민(triethanolamine) 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; 및 (b) 상기 혼합 용액을 반응기에 투입하고 가열하여, 1bar 이상 10bar 미만의 압력 조건 하에서 리튬 인산철 나노분말을 합성하는 단계; 를 포함하는 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 종래의 수열 합성법, 초임계수법 및 글리코써멀 방법과 대비할 때, 상대적인 저압 조건에서 반응을 진행시킬 수 있게 되고, 이에 따라 고온/고압 반응기를 사용하지 않아 공정의 안전성과 경제성을 확보하면서도, 균일한 입자 크기를 가진 입도 분포가 제어된 리튬 인산철 나노분말을 용이하게 제조할 수 있다.

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Номер записи: 56
06-03-2025 дата публикации

호흡 센싱 장치, 호흡 센싱 장치를 사용하는 방법

Номер: KR102775897B1
Автор: 조승범, 이규진, 이호일, 조지민, 김상현, 정종욱
Принадлежит: 주식회사 에이티센스

... 본 개시의 실시예들에 따르면, 구조물을 내부 공간에 구비하고, 상기 구조물 상에 배터리가 배치되는 하우징; 상기 하우징이 일면에 배치되어 전기적으로 연결되며, 복수의 호흡 센서전극들이 배치되는 플렉서블 기판; 및 소정의 두께를 가지고 상기 호흡 센서 전극들이 노출되는 개구부를 포함하고, 상기 플렉서블 기판의 타면에 배치되어 상기 플렉서블 기판을 피부에 부착시키는 접착 부재;를 포함하는, 호흡 센싱 장치가 개시된다.

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Номер записи: 57
28-04-2011 дата публикации

SLURRY COMPOSITION FOR CMP, AND POLISHING METHOD

Номер: WO2011049318A3
Автор: SHIN, Dong-Mok, CHOI, Eun-Mi, CHO, Seung-Beom
Принадлежит:

The present invention relates to a slurry composition for CMP comprising: abrasive particles; a dispersant; an ionic polymer additive; and a nonionic polymer additive including a polyolefin-polyethylene glycol copolymer comprising two or more polyethylene glycol repeating units wherein at least one polyethylene glycol repeating unit is branched, and a polishing method using the same. The slurry composition for CMP has a low polishing rate to a single crystal silicon film or a polysilicon film and a high polishing rate to a silicon oxide film, thereby showing excellent polishing selectivity ratio.

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Номер записи: 58
07-04-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING METHOD THEREOF

Номер: KR1020160038789A
Автор: KWAK, ICK SOON, CHO, SEUNG BEOM, YOON, YEO JUNE
Принадлежит:

The present invention provides a positive electrode active material and a manufacturing method thereof. The positive electrode active material includes: a lithium transition metal oxide particle; and one or more types of conductive oxide particles on a surface of the lithium transition metal oxide particle. According to one embodiment of the present invention, the positive electrode active material includes the lithium transition metal oxide particle and the certain conductive oxide particles having a single phase, thereby having excellent electronic conductivity as well as an excellent ion transfer ability such that a metal ion like a lithium ion is transferred to the lithium transition metal oxide particle. Therefore, a capacity reduction and an output reduction of a secondary battery can be minimized. COPYRIGHT KIPO 2016 (AA) Capacitance retention(%) (BB) Number of cycles(N) (CC) Example 1 (DD) Example 2 (EE) Comparative example 1 (FF) Comparative example 2 (GG) Comparative example 3 ...

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Номер записи: 59
04-04-2019 дата публикации

ELECTRODE ACTIVE MATERIAL COMPLEX FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING ELECTRODE ACTIVE MATERIAL COMPLEX

Номер: WO2019066403A2
Автор: SUNG, Da Young, HWANG, Hyewon, JANG, Minchul, PARK, Changhun, KIM, Doyeon, JUN, Inkook, CHO, Seungbeom, CHOI, Jihoon
Принадлежит:

The present invention relates to an electrode active material complex, having a core-shell structure, for a lithium secondary battery and to a method for producing the electrode active material complex and, more specifically, to an electrode active material complex, having a core-shell structure, for a lithium secondary battery, comprising: a core comprising an electrode active material; and a shell positioned on the surface of the core and comprising a lithium ion-conducting inorganic material. The electrode active material complex according to the present invention has 70% or more of the surface of the core surrounded by the shell comprising the lithium ion-conducting inorganic material by using a solution process, and thus exhibits excellent reaction stability with an electrolyte and has lithium ion conductivity, thereby enabling a higher capacity and a longer life of a lithium secondary battery.

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Номер записи: 60
12-01-2018 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY

Номер: KR1020180004672A
Автор: LEE, HYUCK, CHO, SEUNG BEOM, SON, SAN SU, JU, JIN WOOK, CHOI, SANG SOON, KIM, JONG PIL
Принадлежит:

In the present invention, provided are: a method for manufacturing an anode active material for a lithium secondary battery uniformly doped with various doping elements without concern about damage and deterioration of properties on the active material surface by comprising the following steps: mixing a metal precursor for an anode active material having the average particle size ratio of 2000 to 5:1 and a doping element-containing raw material using acoustic resonance to prepare a precursor doped with the doping element; and mixing the doped precursor with a lithium source material followed by heat treatment; and the anode active material having improved structural stability by being manufactured by the method and capable of improving battery properties such as minimization of capacity reduction and cycle property improvement when a battery is applied. COPYRIGHT KIPO 2018 ...

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Номер записи: 61
12-03-2018 дата публикации

HEAT EXCHANGE DEVICE FOR INTERNAL AIR AND EXTERNAL AIR

Номер: KR1020180026116A
Автор: CHO, SEUNG BEOM
Принадлежит:

Disclosed is a heat exchange device for internal air and external air for saving energy by exchanging heat between the internal air and the external air. According to one embodiment of the present invention, the heat exchange device comprises: a first heat exchange plate including a heat exchange membrane and a plurality of V-shaped protruding portions alternatively protruding toward the V-shaped opposing direction from one end to the other end of the heat exchange membrane; a second heat exchange plate arranged in a first direction of the first heat exchange plate and including the heat exchange membrane and the reverse V-shaped protruding portions alternately protruding toward the reverse V-shaped opposing direction from one end to the other end of the heat exchange membrane; and a third heat exchange plate arranged in the first direction in the second heat exchange plate and formed in the same structure as the first heat exchange plate. COPYRIGHT KIPO 2018 (AA) First direction ...

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Номер записи: 62
28-04-2011 дата публикации

SLURRY COMPOSITION FOR CMP, AND POLISHING METHOD

Номер: WO2011049318A2
Автор: SHIN, Dong-Mok, CHOI, Eun-Mi, CHO, Seung-Beom
Принадлежит:

The present invention relates to a slurry composition for CMP comprising: abrasive particles; a dispersant; an ionic polymer additive; and a nonionic polymer additive including a polyolefin-polyethylene glycol copolymer comprising two or more polyethylene glycol repeating units wherein at least one polyethylene glycol repeating unit is branched, and a polishing method using the same. The slurry composition for CMP has a low polishing rate to a single crystal silicon film or a polysilicon film and a high polishing rate to a silicon oxide film, thereby showing excellent polishing selectivity ratio.

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Номер записи: 63
09-06-2016 дата публикации

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

Номер: WO2016089177A1
Автор: LEE, Dong Kwon, CHO, Seung Beom, NOH, Jun Seok, MIN, Byung Hyun, KIM, Bae Jung
Принадлежит:

The present invention provides a cathode active material, a method for manufacturing the same, and a lithium secondary battery comprising the same, the cathode active material being manufactured by a manufacturing method comprising a step of forming a coating layer including a ceramic ion conductor on lithium composite metal oxide particles by mixing the lithium composite metal oxide particles with nano-sol of the ceramic ion conductor and performing heat treatment, wherein the coating layer including the ceramic ion conductor is formed, with a uniform thickness, on the surface of the lithium composite metal oxide particles, so that the cathode active material can minimize capacity reduction and improve life time characteristics when being applied to a secondary battery.

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Номер записи: 64
02-10-2018 дата публикации

FLOW REGULATING VALVE ASSEMBLY

Номер: KR1020180107632A
Автор: CHO, SEUNG BEOM
Принадлежит:

The present invention provides a flow regulating valve assembly which comprises: a casing provided with a transverse partition wall therein, and provided with a flow path through which a fluid passes in the circumference of the transverse partition wall; an elastic body installed on an inner circumferential surface of the casing along the flow path of the casing; and a valve body provided in an upstream portion in accordance with a passing direction of the fluid between the transverse partition wall and the elastic body to reduce a cross section of the flow path by gradually compressing the elastic body when an amount of the passing fluid is increased in correspondence to the amount of the fluid, increasing the cross section of the flow path when the amount of the passing fluid is reduced for the elastic body to be restored, and formed to be inclined at a predetermined angle with respect to a contact surface of the elastic body. COPYRIGHT KIPO 2018 (AA) Fluid introduction direction ...

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Номер записи: 65
12-09-2018 дата публикации

리튬 이차전지용 양극 첨가제 및 이를 포함하는 이차전지

Номер: KR0101897860B1
Автор: 전인국, 조승범, 최지훈
Принадлежит: 주식회사 엘지화학

... 본 발명은 리튬 이차전지용 양극 첨가제에 관한 것으로서, 리튬 이온 전도성이 우수한 나시콘(NASICON) 구조를 갖는 포스페이트계(phosphate) 입자를 포함함으로써, 저항을 감소시키고 양극 내에서 HF를 제거하거나 수분을 흡습하여 율속 및 수명 특성이 개선되고, 양극 내에서의 리튬 이온의 이동성 및 전해액의 젖음성을 향상시켜 출력 특성이 개선된 이차전지를 제공한다.

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Номер записи: 66
27-07-2015 дата публикации

CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Номер: KR0101539898B1
Автор: 곽익순, 조승범, 채화석, 윤여준
Принадлежит: 주식회사 엘지화학

... 본 발명은 리튬 전이금속 산화물 입자; 및 복합 입자를 포함하고, 상기 복합 입자는 YSZ(yttria stabilized zirconia), GDC(gadolinia-doped ceria), LSGM(lanthanum strontium gallate magnesite), LSM(lanthanum strontium manganite) 및 Ni-YSZ로 이루어진 군으로부터 선택되는 어느 하나 또는 이들 중 2종 이상의 혼합물을 포함하며, 상기 양극 활물질은 X-레이 회절 (X-Ray Diffraction; XRD) 분석 측정시 단일상 피크의 복합 입자를 갖는 것을 특징으로 하는 양극 활물질을 제공한다. 본 발명의 일 실시예에 따른 양극 활물질은 이차전지의 용량 감소나 출력 감소를 최소화할 수 있을 뿐만 아니라, 수명 특성을 더욱 향상시킬 수 있다.

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Номер записи: 67
16-05-2019 дата публикации

ELECTRODE ACTIVE MATERIAL COMPLEX FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING ELECTRODE ACTIVE MATERIAL COMPLEX

Номер: WO2019066403A3
Автор: SUNG, Da Young, HWANG, Hyewon, JANG, Minchul, PARK, Changhun, KIM, Doyeon, JUN, Inkook, CHO, Seungbeom, CHOI, Jihoon
Принадлежит:

The present invention relates to an electrode active material complex, having a core-shell structure, for a lithium secondary battery and to a method for producing the electrode active material complex and, more specifically, to an electrode active material complex, having a core-shell structure, for a lithium secondary battery, comprising: a core comprising an electrode active material; and a shell positioned on the surface of the core and comprising a lithium ion-conducting inorganic material. The electrode active material complex according to the present invention has 70% or more of the surface of the core surrounded by the shell comprising the lithium ion-conducting inorganic material by using a solution process, and thus exhibits excellent reaction stability with an electrolyte and has lithium ion conductivity, thereby enabling a higher capacity and a longer life of a lithium secondary battery.

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Номер записи: 68
19-06-2017 дата публикации

양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지

Номер: KR0101748963B1
Автор: 이동권, 조승범, 노준석, 민병현, 김배정
Принадлежит: 주식회사 엘지화학

... 본 발명에서는 양극 활물질용 금속의 전구체를 세라믹계 이온전도체의 나노졸과 혼합하여 상기 전구체 표면에 세라믹계 이온전도체의 나노졸을 흡착시키는 단계, 및 상기 세라믹계 이온전도체의 나노졸이 흡착된 전구체를 리튬 원료물질과 혼합한 후 열처리하여, 리튬 복합금속 산화물 입자를 포함하고, 상기 리튬 복합금속 산화물 입자의 표면 측에 존재하는 리튬 복합금속 산화물이 상기 세라믹계 이온전도체의 금속 원소로 도핑된 양극 활물질을 제조하는 단계를 포함하는 제조방법에 의해 제조되어, 세라믹계 이온전도체를 구성하는 금속원소로 표면에 존재하는 리튬 복합금속 산화물이 균일 도핑됨으로써, 구조적 안정성이 크게 증가되고, 그 결과로서 전지의 용량, 율 특성 및 사이클 특성을 크게 개선시킬 수 있는 함으로써 양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지가 제공된다.

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Номер записи: 69
12-10-2016 дата публикации

다층 구조의 금속 산화물을 포함하는 양극 활물질 및 이를 포함하는 리튬 이차전지용 양극

Номер: KR0101665754B1
Автор: 이동권, 조승범, 노준석, 전인국
Принадлежит: 주식회사 엘지화학

... 본 발명은 리튬 이차전지용 양극 활물질에 있어서, 리튬 함유 전이금속 복합 산화물, 및 상기 리튬 함유 전이금속 복합산화물 표면에 피복된 다층 구조의 금속 산화물층을 포함하는 리튬 이차전지용 양극 활물질과 이를 포함하는 양극 및 이차전지에 관한 것이다.

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Номер записи: 70
02-04-2015 дата публикации

CATHODE ACTIVE MATERIAL COATING SOLUTION FOR SECONDARY BATTERY AND METHOD FOR PREPARING SAME

Номер: WO2015047024A1
Автор: LEE, Dong Kwon, CHO, Seung Beom, NHO, Jun Seok, JANG, Wook
Принадлежит:

The present invention relates to a method for preparing a cathode active material coating solution for a secondary battery, and a cathode active material coating solution for a secondary battery prepared by the method, the method comprising the steps of: preparing a mixed solution by dispersing a metal precursor and a chelating agent in a glycol-based solvent; primarily heating the mixed solution; and secondarily heating the mixed solution.

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Номер записи: 71
20-10-2015 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPATE NANOPOWDER COATED WITH CARBON

Номер: KR0101561378B1
Автор: 전인국, 조승범, 오명환, 장욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 반응 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; (b)상기 혼합 용액을 반응기 내에 투입하고 반응시켜, 비정질의 리튬 인산철 나노시드(seeds)를 제조하는 단계; 및 (c) 상기 제조된 리튬 인산철 나노시드를 열처리 하여 입자 표면에 탄소가 일부 또는 전체로 코팅된 리튬 인산철 나노분말을 제조하는 단계;를 포함하는 탄소 코팅 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 두 단계의 간단한 공정으로, 입자 크기 및 입도 분포가 제어되면서 입자 상에 탄소 코팅층이 형성된 리튬 인산철 나노 분말을 단시간에 제조할 수 있다. 또한, 상기 제조된 탄소 코팅 리튬 인산철 나노분말을 양극활물질로 포함하는 리튬 이차전지는 용량 및 안정성 면에서 우수하다.

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Номер записи: 72
22-12-2015 дата публикации

OPTICAL FIBER LASER APPARATUS STABLE IN SURROUNDING ENVIRONMENT

Номер: KR1020150142311A
Автор: KIM, DUG YOUNG, SO, BYUNG HWY, BAE, YOON SUNG, CHO, SEUNG BUM
Принадлежит:

An optical fiber laser apparatus according to an embodiment of the present invention comprises: a laser light source unit; a polarization conversion unit separated from the laser light source unit in a direction; an optical fiber separated from the laser light source unit in another direction, and provided with an optical axis identical to that of the polarization conversion unit; a second collimator disposed in the direction of the optical fiber, and provided with an optical axis identical to that of the optical fiber; and a Faraday rotation mirror disposed in another direction from the second collimator, and provided with an optical axis identical to that of the second collimator. The optical fiber laser apparatus according to an embodiment of the present invention cancels out all polarizing effects caused by the optical fiber in a structure having a certain optical anisotropic material such as the optical fiber between the Faraday rotation mirror and the polarization conversion unit ...

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Номер записи: 73
29-01-2015 дата публикации

ANODE ACTIVE MATERIAL AND METHOD FOR MANUFACTURING SAME

Номер: WO2015012650A1
Автор: KWAK, Ick Soon, CHO, Seung Beom, CHAE, Hwa Seok
Принадлежит:

The present invention provides an anode active material comprising a polycrystalline lithium manganese oxide and a coating layer containing boron on the surface of the polycrystalline lithium manganese oxide, and a method for manufacturing the anode active material. The anode active material according to one embodiment of the present invention comprises the coating layer containing boron on the surface of the polycrystalline lithium manganese oxide, thereby preventing direct contact between the polycrystalline lithium manganese oxide and an electrolyte solution and thus preventing a side reaction between the anode active material and the electrolyte solution. In addition, tap density, life characteristics, and charge/discharge capacity characteristics of a secondary battery can be improved by resolving the problems of Jahn-Teller distortion and elution of Mn2+, by structurally stabilizing polycrystalline lithium manganese oxide.

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Номер записи: 74
04-07-2016 дата публикации

POSITIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY, MANUFACTUING METHOD OF THE SAME AND POSITIVE ELECTRODE FOR LITHIIUM SECONDARY BATTERY COMPRISING THE SAME

Номер: KR0101636148B1
Автор: 이동권, 조승범, 노준석, 장욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 이차전지용 양극활물질, 이의 제조 방법, 및 상기 양극활물질을 포함하는 이차전지용 양극에 관한 것으로, 구체적으로 리튬 함유 전이금속 산화물, 및 상기 리튬 함유 전이금속 산화물 표면에 코팅된 하기 화학식 1 내지 3으로 이루어진 군으로부터 선택된 2종 이상의 금속 복합산화물층을 포함하는 양극활물질과, 이의 제조 방법, 및 상기 양극활물질을 포함하는 이차전지용 양극에 관한 것이다. [화학식 1] M(C2H5O2)n [화학식 2] M(C6H(8-n)O7) [화학식 3] M(C6H(8-n)O7)(C2H5O2) (상기 식에서, M은 금속 전구체로부터 탈리된 금속으로서, Mg, Ca, Sr, Ba, Y, Ti, Zr, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ir, Ni, Zn, Al, Ga, In, Si, Ge, Sn, La 및 Ce으로 이루어진 군으로부터 선택된 적어도 하나의 금속이며, n은 1 내지 4의 정수이다.) ...

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Номер записи: 75
07-03-2016 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL WITH COATED SURFACE, MANUFACTURING METHOD THEREOF, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Номер: KR1020160024776A
Автор: JANG, WOOK, LEE, SANG YOUNG, CHO, SEUNG BEOM, AHN, JUN SEONG, PARK, JANG HOON, KIM, JU MYUNG
Принадлежит:

The present invention relate to a positive electrode active material with coated surfaces, a manufacturing method thereof, and a rechargeable lithium battery including the same. More specifically, the positive electrode active material has the surfaces coated with a nano-coating membrane including polyimide (PI) and carbon black. Accordingly, the present invention can prevent the positive electrode active material from coming in direct contact with an electrolyte, thereby preventing the side reaction between the positive electrode active material and the electrolyte. The rechargeable lithium battery including a positive electrode including same can improve the life characteristics significantly, and more specifically, improve the conductivity and life characteristics under high temperature and high voltage conditions. COPYRIGHT KIPO 2016 ...

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Номер записи: 76
28-03-2016 дата публикации

COATING SOLUTION FOR POSITIVE ELECTRODE MATERIAL OF SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

Номер: KR0101607013B1
Автор: 이동권, 조승범, 노준석, 장욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 글리콜계 용매 내에 금속 전구체 및 킬레이팅제를 분산시켜 혼합 용액을 제조하는 단계; 상기 혼합 용액을 1차 가열하는 단계; 및 상기 혼합 용액을 2차 가열하는 단계를 포함하는 이차전지용 양극활물질 코팅 용액의 제조 방법과, 상기 방법에 의해 제조된 이차전지용 양극활물질 코팅 용액에 관한 것이다.

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Номер записи: 77
17-07-2014 дата публикации

METHOD FOR PRODUCING LITHIUM IRON PHOSPHATE NANOPOWDER

Номер: WO2014109577A1
Автор: JUN, In Kook, CHO, Seung Beom, OH, Myoung Hwan
Принадлежит:

The present invention relates to a method for producing lithium iron phosphate nanopowder and the lithium iron phosphate nanopowder produced according to the method, the method comprising the steps of: (a) producing a mixed solution by putting a lithium precursor, an iron precursor, and a phosphate precursor into a triethanolamine solvent; and (b) synthesizing lithium iron phosphate nanopowder under 10-100bar of pressure conditions by putting the mixed solution into a reactor and heating the same. Thus, reaction can be progressed under relatively low-pressure conditions when compared to conventional hydrothermal synthesis and supercritical water methods, and it is possible to easily produce lithium iron phosphate nanopowder of which a particle size and particle size distribution are effectively controlled when compared to conventional glycothermal methods.

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Номер записи: 78
20-01-2016 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPATE NANOPOWDER COATED WITH CARBON

Номер: KR0101586556B1
Автор: 전인국, 조승범, 오명환, 장욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 글리세롤(glycerol) 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; (b)상기 혼합 용액을 반응기 내에 투입하고 반응시켜, 비정질의 리튬 인산철 나노시드(seeds)를 제조하는 단계; 및 (c) 상기 제조된 리튬 인산철 나노시드를 열처리 하여 입자 표면에 탄소가 일부 또는 전체로 코팅된 리튬 인산철 나노분말을 제조하는 단계;를 포함하는 탄소 코팅 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 두 단계의 간단한 공정으로, 입자 크기 및 입도 분포가 제어되면서 입자 상에 탄소 코팅층이 형성된 리튬 인산철 나노 분말을 단시간에 제조할 수 있다. 또한, 상기 제조된 탄소 코팅 리튬 인산철 나노분말을 양극활물질로 포함하는 리튬 이차전지는 용량 및 안정성 면에서 우수하다.

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Номер записи: 79
11-01-2018 дата публикации

이차전지용 양극 및 이를 포함하는 리튬 이차전지

Номер: KR0101817827B1
Автор: 전인국, 조승범, 최지훈, 노준석, 이동권
Принадлежит: 주식회사 엘지화학

... 본 발명은 전지의 용량이 향상된 양극 및 이를 포함하는 리튬 이차전지에 관한 것으로, 보다 구체적으로는 전기전도성이 우수한 양극활물질을 양극의 도전재 대신 사용함으로써, 양극의 전기전도성을 향상시키는 도전재 본래의 효과를 가지는 동시에, 리튬 저장 물질로도 작용하여 리튬 이차전지의 용량을 향상시키는 리튬 이차전지용 양극 및 이를 포함하는 리튬 이차전지에 관한 것이다.

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Номер записи: 80
24-04-2017 дата публикации

SURFACE-COATED POSITIVE ELECTRODE ACTIVE PARTICLES AND SECONDARY BATTERY COMPRISING SAME

Номер: KR1020170043902A
Автор: JANG, WOOK, CHO, SEUNG BEOM, AHN, JUN SEONG, PARK, JIN YOUNG
Принадлежит:

The present invention relates to surface-coated positive electrode active particles and a secondary battery comprising the same. Provided are the surface-coated positive electrode active material particles, comprising: positive electrode active material particles; and a coating layer applied on the surfaces of the positive electrode active material particles; wherein the coating layer comprises polyimid having a weight mean molecular weight of 3,000-50,000, and wherein the polyimid has a weight% of 0.1-1 with respect to the total weight of the positive electrode active material particles. The surface-coated positive electrode active material particles according to the present invention comprise the coating layer including 0.1 to 1 weight% of polyimid having a weight mean molecular weight of 3,000-50,000 with respect to the positive electrode active material particles. Accordingly, direct contact between the positive electrode active material particles and the electrolyte can be prevented ...

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Номер записи: 81
03-11-2022 дата публикации

개선된 토크 센서 장착 구조를 가지는 조향 장치

Номер: KR102463425B1
Автор: 조승범
Принадлежит: 현대자동차주식회사, 기아 주식회사

... 본 발명은 개선된 토크 센서 장착 구조를 가지는 조향 장치에 관한 것으로서, 토크 센서의 로터와 조향축의 결합 구조를 개선하여 부품 수 축소, 제조 및 조립 공정의 단순화, 원가 절감이 가능해지도록 한 조향 장치를 제공하는데 주된 목적이 있는 것이다. 상기한 목적을 달성하기 위해, 조향축에 일체로 결합된 로터를 가지는 토크 센서를 포함하며, 상기 로터는, 링(ring) 형상을 가지는 링부; 상기 링부의 외주 부분에 각각 반경방향으로 돌출 형성되고 상기 링부의 외주를 따라 일정 간격으로 배치되는 복수 개의 돌출편; 및 상기 링부에서 꺾인 형상으로 돌출 형성된 고정부를 포함하고, 상기 조향축의 단부에 형성된 고정홈에 상기 고정부가 압입됨으로써 상기 조향축에 일체로 고정되는 것을 특징으로 하는 조향 장치가 개시된다.

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Номер записи: 82
20-03-2014 дата публикации

METHOD FOR REGENERATING SPENT CERIA-CONTAINING POLISHING AGENT

Номер: WO2014042430A1
Автор: KWAK, Ick-Soon, CHO, Seung-Beom, NOH, Jun-Seok, KIM, Jong-Pil, MOON, Won-Jae
Принадлежит:

The present invention relates to a method for regenerating spent ceria-containing polishing agent, the method allowing regeneration as a regenerated ceria-containing polishing agent, having suitable granular distribution and crystal size and exhibiting an accordant desirable polishing rate, while effectively discarding impurities contained in the spent ceria-containing polishing agent. A method for regenerating the spent ceria-containing polishing agent comprises the steps of: dissolving spent ceria (CeO2)-containing sludge in a solvent comprising strong alkali and hydrofluoric acid; cleaning the spent ceria-containing sludge and discarding impurities containing silica (SiO2); drying the cleaned spent ceria-containing sludge by means of a compact disc (CD) dryer; and, in the presence of a flux comprising ammonium salt, alkali metallic salt, metal oxide, metal oxygen acid or alkaline earth metal, sintering the spent sludge at a temperature of 800℃ or higher.

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Номер записи: 83
20-03-2018 дата публикации

리튬 이차전지용 양극활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지

Номер: KR0101840541B1
Автор: 최지훈, 전인국, 조승범
Принадлежит: 주식회사 엘지화학

... 본 발명은 리튬 이차전지용 양극활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지에 관한 것으로, 구체적으로 하기 화학식 1로 표시되는 리튬 전이금속 산화물 입자; 및 상기 리튬 전이금속 산화물 입자 표면에 배치된 하기 화학식 2로 표시되는 리튬 금속 포스페이트 나노입자;를 포함하는 이차전지용 양극활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지에 관한 것이다. [화학식 1] Li(1+a)(Ni1-b-cMbCoc)O2 상기 식에서, M은 Mn, Al, Cu, Fe, Mg, Cr, Sr, V, Sc 및 Y로 이루어진 군으로부터 선택된 적어도 하나 이상의 금속이고, 0≤a≤0.2, 0≤b≤1, 0≤c≤1이다. [화학식 2] Li1+xM'xM''2-x(PO4)3 상기 식에서, M'는 Al, Y, Cr 또는 Ca 이고, M''는 Ge, Ti, Sn, Hf, Zn 또는 Zr 이며, 0≤x≤0.5이다.

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Номер записи: 84
25-05-2017 дата публикации

안티몬 주석 산화물（ＡＴＯ）나노입자의 제조방법

Номер: KR0101740088B1
Автор: 오명환, 조승범, 전인국
Принадлежит: 주식회사 엘지화학

... 본 발명은 안티몬 주석 산화물(ATO) 나노입자의 제조방법에 관한 것으로, 수열합성반응을 사용하여 열처리 또는 분쇄공정 없이 결정성과 분산성이 우수한 나노 스케일의 ATO 입자를 제조함으로써 투명 전도성 박막 소재로 사용할 수 있다.

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Номер записи: 85
27-07-2015 дата публикации

REGENARATION METHOD OF SPENT ABRASIVES CONTAINING CERIA

Номер: KR0101539419B1
Автор: 곽익순, 조승범, 노준석, 김종필
Принадлежит: 주식회사 엘지화학

... 본 발명은 세리아 함유 폐연마재에 포함된 불순물을 효과적으로 제거하면서, 세척 공정을 포함한 재생 공정을 효율화할 수 있으며, 세척 공정 중의 세리아 함유 연마재의 재응집을 억제할 수 있는 세리아 함유 폐연마재의 재생 방법에 관한 것이다. 상기 세리아 함유 폐연마재의 재생 방법은 세리아(CeO2) 함유 폐슬러지와, 불소계 화합물을 포함하는 용해제 용액을 혼합하여, 상기 폐슬러지에 포함된 실리카(SiO2) 함유 불순물을 선택적으로 용해시키는 단계; 상기 세리아 함유 폐슬러지를 십자류 여과 시스템(Cross-flow fliltration system)에 통과시키면서 세정하여 상기 실리카(SiO2) 함유 불순물을 선택적으로 제거하는 단계; 및 상기 세정된 세리아 함유 폐슬러지를 건조 및 소성하는 단계를 포함한다.

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Номер записи: 86
12-10-2017 дата публикации

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

Номер: KR1020170113385A
Автор: KIM, JONG PIL, CHO, SEUNG BEOM, KIM, WON TAE, SON, SAN SU, LEE, HYUCK
Принадлежит:

The present invention relates to a positive electrode active material with enhanced capacity and lifespan properties, and a production method thereof. More specifically, the present invention relates to a positive electrode active material for lithium secondary batteries, containing a compound which is represented by chemical formula 1 and enables reversible deintercalation and intercalation for lithium. In the positive electrode active material, thickness of a MO-slab is less than or equal to 2.1275 Å, that of inter-slab is greater than or equal to 2.59 Å, and the mixed degree of cationic Li and Ni is less than or equal to 0.5%, derived from an analysis on crystalline structures by a rietveld method when a space group R-3m is used in a crystalline structure model based on X-ray diffractiometry. The present invention further relates to a production method thereof. COPYRIGHT KIPO 2017 ...

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Номер записи: 87
18-07-2019 дата публикации

METHOD FOR PREPARING CATHODE ACTIVE MATERIAL

Номер: WO2019103522A3
Автор: CHOI, Sang Soon, CHO, Seung Beom, LIM, Jung Ho, JUNG, Won Sig
Принадлежит:

The present invention relates to a method for preparing a cathode active material, comprising the steps of: charging a reaction mixture containing a lithium source material and a nickel-manganese-cobalt precursor into a first crucible, and performing a primary heat treatment at a temperature of 500 ° C to 800 ° C to form a plastic mixture; ejecting the plastic mixture from the first crucible and crushing or classifying the same; and charging the pulverized or classified plastic mixture into a second crucible, and subjecting the plastic mixture to a secondary heat treatment at a temperature of 700 ° C to 1000 ° C in an atmosphere having a partial pressure of oxygen of 20% or less to form a lithium nickel manganese cobalt-based cathode active material, wherein the volume of the plastic mixture formed after the primary heat treatment is 20% to 50% of the volume of the reaction mixture charged into the first crucible.

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Номер записи: 88
15-09-2011 дата публикации

CRYSTALLINE CERIUM OXIDE AND METHOD FOR PREPARING SAME

Номер: WO2011112008A2
Автор: CHOI, Sang-Soon, CHO, Seung-Beom, HA, Hyun-Chul, KWAK, Ick-Soon, CHO, Jun-Yeon
Принадлежит:

The present invention relates to a crystalline cerium oxide which has an easily adjustable crystal structure, shape and size, and superior abrasive characteristics, and which can be prepared in an economically advantageous and efficient manner through a simple process, as well as to a method for preparing the crystalline cerium oxide. The crystalline cerium oxide can be a submicron crystalline cerium oxide having a volume mean particle diameter of a predetermined range and standard deviation of particle diameters of a predetermined range.

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Номер записи: 89
15-06-2017 дата публикации

POSITIVE ELECTRODE ADDITIVE FOR LITHIUM SECONDARY BATTERIES AND SECONDARY BATTERY INCLUDING SAME

Номер: KR1020170067082A
Автор: JUN, IN KOOK, CHO, SEUNG BEOM, CHOI, JI HOON
Принадлежит:

The present invention relates to a positive electrode additive for lithium secondary batteries. More specifically, by containing phosphate-based particles having sodium (Na) super ionic conductor (NASICON) structure with excellent lithium ion conductivity, resistance decreases, and lifespan properties and rate control properties are enhanced by absorbing moisture or removing HF from positive electrodes. Additionally, output characteristics can also be enhanced by increasing wettability of electrolytes as well as mobility of lithium ions in the positive electrodes. COPYRIGHT KIPO 2017 ...

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Номер записи: 90
15-06-2017 дата публикации

METHOD FOR PRODUCING PEROVSKITE-LIKE NANOPARTICLES AND PEROVSKITE-LIKE NANOPARTICLES SYNTHESIZED THEREBY

Номер: KR1020170067083A
Автор: CHOI, JI HOON, JUN, IN KOOK, CHO, SEUNG BEOM
Принадлежит:

The present invention relates to a method for producing perovskite-like nanoparticles. The method for producing the perovskite-like nanoparticles is advantageous in terms of processes since condition involving high temperature and high pressure is not required, by synthesizing the perovskite-like nanoparticles via a polyol method. Additionally, the perovskite-like nanoparticles can be nanoscale, and adjustment of the particle size can be easily conducted through regulation of a reaction time. COPYRIGHT KIPO 2017 ...

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Номер записи: 91
19-09-2016 дата публикации

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

Номер: KR1020160107737A
Автор: AHN, JUN SEONG, JANG, WOOK, CHO, SEUNG BEOM, LEE, SANG YOUNG, KIM, JU MYUNG, JANG, YE RI
Принадлежит:

Provided in the present invention are a positive electrode active material, a manufacturing method thereof, and a secondary battery comprising the same. The positive electrode active material is formed with a coating layer on a surface of a core particle including a compound capable of doping or dedoping lithium. The coating layer comprises a chemical cross-linked polymer and a surface-modified carbon particle, which enables a reactive functional group to be introduced on the surface of the particle. According to the present invention, the positive electrode active material inhibits an interfacial reaction with an electrolyte and improves electroconductivity, thereby having high output properties, the high stability, the high voltage, and the high capacity of a battery. COPYRIGHT KIPO 2016 (AA) Carbon black ...

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Номер записи: 92
05-08-2016 дата публикации

MANUFACTURING METHOD OF COPPER TIN PHOSPHATE

Номер: KR1020160092787A
Автор: JUN, IN KOOK, CHO, SEUNG BEOM, CHOI, JI HOON, PARK, CHEOL HEE, PARK, CHEE SUNG
Принадлежит:

The present invention relates to a manufacturing method of copper tin phosphate. According to the present invention, copper tin phosphate having uniform size and shape can be manufactured. A pulverizing process can be simplified or omitted, thereby shortening a processing time for manufacturing copper tin phosphate. Thus, copper tin phosphate is provided through a simple and cost-efficient way. The manufacturing method of copper tin phosphate comprises the following steps of: manufacturing an intermediate product by heating a dispersion solution to 120-300°C, wherein the dispersion solution is prepared by dispersing a copper precursor, a tin precursor, and a phosphorous precursor in an organic solvent having a boiling point of at least 120°C; and heat treating the intermediate product at 500-1200°C. COPYRIGHT KIPO 2016 ...

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Номер записи: 93
26-11-2015 дата публикации

METHOD FOR PREPARING LITHIUM IRON PHOSPATE NANOPOWDER COATED WITH CARBON

Номер: KR0101572345B1
Автор: 전인국, 조승범, 오명환, 장욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 (a) 트리에탄올아민(triethanolamine) 용매에 리튬 전구체, 철 전구체 및 인 전구체를 넣고 혼합 용액을 제조하는 단계; (b)상기 혼합 용액을 반응기 내에 투입하고 반응시켜, 비정질의 리튬 인산철 나노시드(seeds)를 제조하는 단계; 및 (c) 상기 제조된 리튬 인산철 나노시드를 열처리 하여 입자 표면에 탄소가 일부 또는 전체로 코팅된 리튬 인산철 나노분말을 제조하는 단계;를 포함하는 탄소 코팅 리튬 인산철 나노분말 제조방법 및 상기 방법에 따라 제조된 리튬 인산철 나노분말에 관한 것으로, 두 단계의 간단한 공정으로, 입자 크기 및 입도 분포가 제어되면서 입자 상에 탄소 코팅층이 형성된 리튬 인산철 나노 분말을 단시간에 제조할 수 있다. 또한, 상기 제조된 탄소 코팅 리튬 인산철 나노분말을 양극활물질로 포함하는 리튬 이차전지는 용량 및 안정성 면에서 우수하다.

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Номер записи: 94
06-08-2015 дата публикации

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

Номер: WO2015115815A1
Автор: JANG, Wook, LEE, Sang Young, CHO, Seung Beom, PARK, Jang Hoon, KIM, Ju Myung
Принадлежит:

The present invention provides a surface-coated cathode active material and a method for preparing the same, the surface-coated cathode active material comprising: a cathode active material; and a nanofilm coated on a surface of the cathode active material, wherein the nanofilm includes polyimide (PI) and a fibrous carbon material. According to one embodiment of the present invention, when a surface of a cathode active material is coated with a nanofilm including polyimide and a fibrous carbon material, a direct contact with an electrolyte of the cathode active material is prevented so as to suppress a side reaction between the cathode active material and the electrolyte, such that the life of a secondary battery is capable of being remarkably improved. Particularly, it is possible to improve life and conductivity under high-temperature and high-voltage conditions.

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Номер записи: 95
08-09-2017 дата публикации

PRECURSOR OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND POSITIVE ELECTRODE ACTIVE MATERIAL PREPARED USING SAME

Номер: WO2017150945A1
Автор: JEONG, Myung Gi, WOO, Sang Won, CHO, Seung Beom, CHOI, Sang Soon
Принадлежит:

The present invention relates to a precursor of a positive electrode active material for a secondary battery and a positive electrode active material prepared by using the precursor, wherein the precursor comprises secondary particles each having a single-layer structure in which pillar-shaped primary particles radially oriented in a surface direction from the particle center are aggregated, the secondary particle having a shell shape, the primary particle containing a Ni-Co-Mn composite metal hydroxide of chemical formula 1 below: [chemical formula 1] Ni1-(x+y+z)CoxMyMnz(OH)2 wherein in chemical formula 1, M, x, y, and z are as defined in the specification.

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Номер записи: 96
03-03-2016 дата публикации

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

Номер: WO2016032222A1
Автор: JANG, Wook, CHO, Seung Beom, KWAK, Ick Soon, AHN, Jun Seong
Принадлежит:

The present invention relates to a surface-coated positive electrode active material, a method for preparing the same, and a lithium secondary battery comprising the same. More specifically, the present invention relates to a positive electrode active material which is surface-coated with a nanofilm containing a polyimide (PI) and conductive nanoparticles, to a method for preparing the same, and to a lithium secondary battery comprising the same. The positive electrode active material surface-coated with the nanofilm can prevent a direct contact between a positive electrode active material and an electrolyte, and thus can suppress a side reaction between the positive electrode active material and the electrolyte, can remarkably improve lifespan characteristics of a lithium secondary battery using a positive electrode comprising the same, and can, particularly, improve lifespan characteristics and conductivity under high-temperature and high-voltage conditions.

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Номер записи: 97
15-01-2015 дата публикации

METHOD FOR PREPARING NANOPOWDER OF CARBON-COATED LITHIUM METAL PHOSPHATE

Номер: WO2015005551A1
Автор: JANG, Wook, CHO, Seung Beom, JUN, In Kook
Принадлежит:

The present invention relates to a method for preparing a nanopowder of a carbon-coated lithium metal phosphate and a nanopowder of lithium metal phosphate manufactured thereby, the preparation method comprising the steps of: (a) preparing a mixed solution by adding a lithium precursor, an iron precursor, and a phosphorous precursor to a glycol-based solvent; (b) preparing a metal glycolate slurry by injecting the mixed solution into a mixer, and heating and condensing same; (c) forming solids by drying the metal glycolate slurry; and (d) preparing the nanopowder of the carbon-coated lithium metal phosphate by firing the solids.

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Номер записи: 98
08-09-2017 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PREPARATION METHOD THEREFOR

Номер: WO2017150893A1
Автор: NHO, Jun Seok, CHO, Seung Beom, PARK, Hyun Ah, AHN, Jun Seong
Принадлежит:

The present invention relates to a cathode active material for a lithium secondary battery and a preparation method therefor and, particularly, to: a cathode active material for a lithium secondary battery, comprising: a lithium-nickel-based transition metal oxide; and a coating layer formed on the lithium-nickel-based transition metal oxide, wherein the coating layer comprises a metal oxalate compound; and a preparation method therefor.

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Номер записи: 99
12-06-2018 дата публикации

PRECURSOR OF ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY MANUFACTURED USING SAME

Номер: KR1020180063862A
Автор: CHOI, SANG SOON, CHO, SEUNG BEOM, JUN, IN KOOK, JUNG, WON SIG
Принадлежит:

The present invention provides a precursor of an anode active material for a secondary battery and an anode active material for a secondary battery manufactured using the precursor having an optimized composition and structure according to a position of precursor particles and capable of stabilizing a surface and an internal structure of the active material. The precursor particles are secondary particles formed by aggregating a plurality of primary particles of a composite metal hydroxide containing nickel, cobalt, and a metal element M, wherein M is at least one selected from a group comprising Mn and Al. COPYRIGHT KIPO 2018 ...

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Номер записи: 100