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1. (WO2019066585) METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, CATHODE ACTIVE MATERIAL PREPARED THEREBY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
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Pub. No.: WO/2019/066585 International Application No.: PCT/KR2018/011579
Publication Date: 04.04.2019 International Filing Date: 28.09.2018
IPC:
C01G 53/00 (2006.01) ,C01B 32/991 (2017.01) ,H01M 4/36 (2006.01) ,H01M 4/62 (2006.01) ,H01M 10/052 (2010.01)
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
G
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
53
Compounds of nickel
[IPC code unknown for C01B 32/991]
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
36
Selection of substances as active materials, active masses, active liquids
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
62
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10
Secondary cells; Manufacture thereof
05
Accumulators with non-aqueous electrolyte
052
Li-accumulators
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
안동준 AHN, Dong Joon; KR
조문규 CHO, Moon Kyu; KR
박성순 PARK, Sung Soon; KR
Agent:
특허법인 태평양 BAE, KIM & LEE IP GROUP; 서울시 서초구 강남대로 343, 11층 11th Floor, 343, Gangnam-daero, Seocho-gu, Seoul 06626, KR
Priority Data:
10-2017-012775729.09.2017KR
10-2018-011521427.09.2018KR
Title (EN) METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, CATHODE ACTIVE MATERIAL PREPARED THEREBY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) MÉTHODE DE PRÉPARATION DE MATÉRIAU ACTIF DE CATHODE POUR BATTERIE SECONDAIRE, MATÉRIAU ACTIF DE CATHODE AINSI PRÉPARÉ, ET BATTERIE SECONDAIRE AU LITHIUM LE CONTENANT
(KO) 이차전지용 양극 활물질의 제조방법, 이와 같이 제조된 양극 활물질 및 이를 포함하는 리튬 이차전지
Abstract:
(EN) The present invention provides a method for preparing a cathode active material for a secondary battery, comprising the steps of: preparing a lithium transition metal oxide; forming a mixture by mixing the lithium transition metal oxide, a coating polymer and a carbide; and heating the mixture so as to form, on the surface of the lithium transition metal oxide particles, a coating layer comprising a carbonated coating polymer and the carbide.
(FR) La présente invention concerne une méthode de préparation d'un matériau actif de cathode pour une batterie secondaire, comprenant les étapes consistant à : préparer un oxyde de métal de transition de lithium ; former un mélange par mélange de l'oxyde de métal de transition de lithium, d'un polymère de revêtement et d'un carbure ; et chauffer le mélange de manière à former, sur la surface des particules d'oxyde de métal de transition de lithium, une couche de revêtement comprenant un polymère de revêtement carboné et le carbure.
(KO) 본 발명은 리튬 전이금속 산화물을 마련하는 단계; 상기 리튬 전이금속 산화물과, 코팅용 폴리머 및 카바이드(carbide)를 혼합하여 혼합물을 형성하는 단계; 및 상기 혼합물을 열처리하여, 상기 리튬 전이금속 산화물의 입자 표면에 탄화된 코팅용 폴리머 및 카바이드(carbide)를 포함하는 코팅층을 형성하는 단계;를 포함하는 이차전지용 양극 활물질의 제조방법을 제공한다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)