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1. (WO2018143734) CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND PREPARATION METHOD THEREFOR
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Pub. No.: WO/2018/143734 International Application No.: PCT/KR2018/001470
Publication Date: 09.08.2018 International Filing Date: 02.02.2018
IPC:
H01M 4/36 (2006.01) ,H01M 4/525 (2010.01) ,H01M 4/505 (2010.01) ,H01M 4/485 (2010.01) ,H01M 4/131 (2010.01) ,H01M 10/052 (2010.01) ,C01G 53/00 (2006.01) ,C01B 35/10 (2006.01) ,C01F 7/02 (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
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
50
of manganese
505
of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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
53
Compounds of nickel
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
35
Boron; Compounds thereof
08
Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
10
Compounds containing boron and oxygen
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
7
Compounds of aluminium
02
Aluminium oxide; Aluminium hydroxide; Aluminates
Applicants: LG CHEM, LTD.[KR/KR]; 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors: BAEK, So Ra; KR
KIM, Ji Hye; KR
YOO, Tae Gu; KR
JUNG, Wang Mo; KR
PARK, Byung Chun; KR
Agent: BAE, KIM & LEE IP GROUP; 11th Floor, 343, Gangnam-daero, Seocho-gu, Seoul 06626, KR
Priority Data:
10-2017-001515802.02.2017KR
10-2018-001345402.02.2018KR
Title (EN) CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND PREPARATION METHOD THEREFOR
(FR) MATÉRIAU ACTIF DE CATHODE DESTINÉ À UNE BATTERIE SECONDAIRE ET SON PROCÉDÉ DE PRÉPARATION
(KO) 이차전지용 양극활물질 및 이의 제조방법
Abstract:
(EN) The present invention relates to a cathode active material for a secondary battery, and a preparation method therefor, the cathode active material comprising: a core comprising a lithium composite metal oxide; and a surface treatment layer positioned on the core and comprising an amorphous oxide, which comprises lithium (Li), boron (B), and aluminum (Al), wherein the amount of lithium by-products present on the surface is less than 0.55 wt% on the basis of the total weight.
(FR) La présente invention concerne un matériau actif de cathode destiné à une batterie secondaire, et son procédé de préparation, le matériau actif de cathode comprenant : un noyau comprenant un oxyde métallique composite de lithium ; et une couche de traitement de surface positionnée sur le noyau et comprenant un oxyde amorphe, qui comprend du lithium (Li), du bore (B) et de l'aluminium (Al), la quantité de sous-produits de lithium présents sur la surface étant inférieure à 0,55 % en poids sur la base du poids total.
(KO) 본 발명은 리튬 복합금속 산화물을 포함하는 코어; 및 상기 코어 상에 위치하고, 리튬(Li), 붕소(B) 및 알루미늄(Al)을 포함하는 비정질 산화물을 포함하는 표면처리층을 포함하며, 표면에 존재하는 리튬 부산물의 함량이 전체 중량에 대하여 0.55 중량% 미만인, 이차전지용 양극활물질 및 이의 제조방법에 관한 것이다.
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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)