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1. (WO2019050282) LITHIUM SECONDARY BATTERY CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, LITHIUM SECONDARY BATTERY CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY
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Pub. No.: WO/2019/050282 International Application No.: PCT/KR2018/010387
Publication Date: 14.03.2019 International Filing Date: 05.09.2018
IPC:
H01M 4/525 (2010.01) ,H01M 4/485 (2010.01) ,H01M 4/131 (2010.01) ,H01M 10/052 (2010.01) ,C01G 51/00 (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
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
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
485
of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
131
Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
G
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
51
Compounds of cobalt
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
허혁 HUR, Hyuck; KR
유민규 YOU, Min Kyu; KR
조치호 JO, Chi Ho; KR
박성빈 PARK, Sung Bin; KR
황진태 HWANG, Jin Tae; KR
정왕모 JUNG, Wang Mo; 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:
10-2017-011547308.09.2017KR
Title (EN) LITHIUM SECONDARY BATTERY CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, LITHIUM SECONDARY BATTERY CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY
(FR) MATÉRIAU ACTIF DE CATHODE DE BATTERIE SECONDAIRE AU LITHIUM, SON PROCÉDÉ DE PRÉPARATION, CATHODE DE BATTERIE SECONDAIRE AU LITHIUM COMPRENANT CELUI-CI, ET BATTERIE SECONDAIRE AU LITHIUM
(KO) 리튬 이차전지용 양극 활물질, 이의 제조 방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지
Abstract:
(EN) The present invention relates to: a cathode active material in which a lithium cobalt oxide is doped with doping elements comprising a metal element and a halide element, wherein the cathode active material is represented by the following chemical formula 1 and meets the following formula 1; a lithium secondary battery cathode comprising the same; and a lithium secondary battery. [Chemical formula 1] Li(Co1-x-y-zM1xM2yM3z)O2-aHa [Formula 1] (2x+3y+4z-a)/(x+y+z+a) < 2.5 In chemical formula 1, M1 is at least one metal element having an oxidation number of 2 and is selected from the group consisting of Mg, Ca, Fe, Ni, Co, Cu, Zr, Sr, Cd and Ba, M2 is at least one metal element having an oxidation number of 3 and is selected from the group consisting of Al, Sc, Y, Nb, In, Sb, Ta, Ir and La, M3 is at least one metal element having an oxidation number of 4 and is selected from the group consisting of Mn, Ti, Sn, Ge, Mo, Tc, Hf, W and Pb, H is at least one halogen element selected from the group consisting of F-, Cl-, Br-, I- and At-, 0≤x≤0.1, 0≤y≤0.1, 0≤z≤0.1, 0≤x+y+z≤0.1 and 0
(FR) La présente invention concerne : un matériau actif de cathode dans lequel un oxyde de cobalt et de lithium est dopé avec des éléments de dopage qui comprennent un élément métallique et un élément halogénure, le matériau actif de cathode étant représenté par la formule chimique 1 suivante et répondant à la formule suivante 1; une cathode de batterie secondaire au lithium qui comprend celui-ci; et une batterie secondaire au lithium. [Formule chimique 1]Li(Co1-x-y-zM1 xM2 yM3 z)O2-aHa [Formule 1] (2x+3y+4z-a)/(x+y+z+a) < 2,5 dans la formule chimique 1, M1 est au moins un élément métallique qui a un nombre d'oxydation de 2 et est choisi dans le groupe constitué de : Mg, Ca, Fe, Ni, Co, Cu, Zr, Sr, Cd et Ba, M2 est au moins un élément métallique qui a un nombre d'oxydation de 3 et est choisi dans le groupe constitué de : Al, Sc, Y, Nb, In, Sb, Ta, Ir et La, M3 est au moins un élément métallique qui a un nombre d'oxydation de 4 et est choisi dans le groupe constitué de : Mn, Ti, Sn, Ge, Mo, Tc, Hf, W et Pb, H est au moins un élément halogène choisi dans le groupe constitué de : F-, Cl-, Br-, I- et At-, 0≤x≤0,1, 0≤y≤0,1, 0≤z≤0,1, 0≤x+y+z≤0,1 et 0
(KO) 본 발명은 리튬 코발트 산화물이 금속 원소와 할라이드 원소를 포함하는 도핑 원소로 도핑된 양극 활물질에 있어서, 상기 양극 활물질은 하기 화학식 1로 표시되고, 하기 식 1을 만족하는, 양극 활물질, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지에 관한 것이다: [화학식 1] Li(Co1-x-y-zM1xM2yM3z)O2-aHa [식 1] (2x+3y+4z-a)/(x+y+z+a) < 2.5 상기 화학식 1에서, M1은 Mg, Ca, Fe, Ni, Co, Cu, Zr, Sr, Cd, 및 Ba으로 이루어진 군에서 선택되는 적어도 하나 이상의 2가의 산화가를 가지는 금속 원소이고, M2는 Al, Sc, Y, Nb, In, Sb, Ta, Ir, 및 La으로 이루어진 군에서 선택되는 적어도 하나 이상의 3가의 산화가를 가지는 금속 원소이고, M3은 Mn, Ti, Sn, Ge, Mo, Tc, Hf, W, 및 Pb로 이루어진 군에서 선택되는 적어도 하나 이상의 4가의 산화가를 가지는 금속 원소이고, H는 F-, Cl-, Br-, I-, 및 At-로 이루어진 군에서 선택되는 적어도 하나 이상의 할로겐 원소, 0≤x≤0.1, 0≤y≤0.1, 0≤z≤0.1, 0≤x+y+z≤0.1, 및 0
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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)