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1. (WO2018038509) CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
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Pub. No.: WO/2018/038509 International Application No.: PCT/KR2017/009165
Publication Date: 01.03.2018 International Filing Date: 22.08.2017
IPC:
H01M 4/36 (2006.01) ,H01M 4/525 (2010.01) ,H01M 10/0525 (2010.01) ,C01G 53/00 (2006.01)
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
36
Selection of substances as active materials, active masses, active liquids
48
of inorganic oxides or hydroxides
52
of nickel, cobalt or iron
525
of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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
0525
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
G
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
53
Compounds of nickel
Applicants:
삼성에스디아이 주식회사 SAMSUNG SDI CO., LTD. [KR/KR]; 경기도 용인시 기흥구 공세로 150-20 150-20 Gongse-ro, Giheung-gu, Yongin-si Gyeonggi-do 17084, KR
Inventors:
한정민 HAN, Jungmin; KR
김기현 KIM, Kihyun; KR
이재호 LEE, Jaeho; KR
홍명자 HONG, Ming-Zi; KR
Agent:
팬코리아특허법인 PANKOREA PATENT AND LAW FIRM; 서울시 강남구 논현로85길 70, 13F 13F, 70 Nonhyeon-ro 85-gil, Gangnam-gu, Seoul 06234, KR
Priority Data:
10-2016-010711023.08.2016KR
Title (EN) CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) MATÉRIAU ACTIF DE CATHODE POUR BATTERIE SECONDAIRE AU LITHIUM, SON PROCÉDÉ DE PRÉPARATION ET BATTERIE SECONDAIRE AU LITHIUM LE COMPRENANT
(KO) 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지
Abstract:
(EN) Provided are a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery comprising the same. The cathode active material for a lithium secondary battery comprises: a lithium metal compound; and a lithium compound disposed on the surface of the lithium metal compound, wherein the content of lithium contained in the lithium compound is 0.25 parts by weight or less with respect to 100 parts by weight of the lithium metal compound, wherein the specific surface area of the lithium compound is between 0.5 m2/g and 2.0 m2/g, and the pH of the lithium compound is between 11.5 and 12.3.
(FR) L'invention concerne un matériau actif de cathode pour batterie secondaire au lithium, son procédé de fabrication, et une batterie secondaire au lithium le comprenant. Le matériau actif de cathode pour une batterie secondaire au lithium comprend : un composé de métal de lithium; et un composé de lithium disposé sur la surface du composé de métal de lithium, la teneur en lithium contenue dans le composé de lithium étant de 0,25 parties en poids ou moins par rapport à 100 parties en poids du composé de métal de lithium, la surface spécifique du composé de lithium étant comprise entre 0,5 m2/g et 2,0 m2/g, et le pH du composé de lithium est compris entre 11,5 et 12,3.
(KO) 리튬 금속 화합물, 그리고 상기 리튬 금속 화합물의 표면에 위치하는 리튬 화합물을 포함하고, 상기 리튬 화합물에 함유된 리튬의 함량은 상기 리튬 금속 화합물 100 중량부에 대하여 0.25 중량부 이하로 포함되고, 비표면적이 0.5 m2/g 내지 2.0 m2/g 이고, pH가 11.5 내지 12.3 인 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지가 제공된다.
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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)