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1. (WO2010079958) POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/079958 International Application No.: PCT/KR2010/000076
Publication Date: 15.07.2010 International Filing Date: 06.01.2010
IPC:
H01M 4/48 (2010.01) ,H01M 4/60 (2006.01) ,H01M 10/36 (2010.01) ,B60L 11/18 (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
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
60
of organic compounds
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
36
Accumulators not provided for in groups H01M10/05-H01M10/3492
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
L
PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
11
Electric propulsion with power supplied within the vehicle
18
using power supplied from primary cells, secondary cells, or fuel cells
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울특별시 영등포구 여의도동 20번지 20, Yoido-dong, Youngdungpo-gu Seoul 150-721, KR (AllExceptUS)
장성균 CHANG, Sung kyun [KR/KR]; KR (UsOnly)
박홍규 PARK, Hong-Kyu [KR/KR]; KR (UsOnly)
박신영 PARK, Sinyoung [KR/KR]; KR (UsOnly)
김제영 KIM, Je Young [KR/KR]; KR (UsOnly)
이용태 LEE, Yong Tae [KR/KR]; KR (UsOnly)
Inventors:
장성균 CHANG, Sung kyun; KR
박홍규 PARK, Hong-Kyu; KR
박신영 PARK, Sinyoung; KR
김제영 KIM, Je Young; KR
이용태 LEE, Yong Tae; KR
Agent:
손창규 SOHN, Chang Kyu; 서울특별시 강남구 역삼1동 642-16번지 성지하이츠2차빌딩 1403호 1403, Seongji Heights 2-cha Bldg. 642-16, Yoksam 1-dong, Kangnam-gu Seoul 135-910, KR
Priority Data:
10-2009-000072006.01.2009KR
Title (EN) POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
(FR) MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE POUR BATTERIE SECONDAIRE AU LITHIUM
(KO) 리튬 이차전지용 양극 활물질
Abstract:
(EN) The present invention provides a positive electrode active material comprising a nickel-based lithium oxide expressed by Chemical Formula 1, wherein said nickel-based, lithium transition metal oxide has nickel content of 40% or higher and has a surface coated with a polymer having a melting point of 80~300°C. The lithium secondary battery containing the positive electrode active material according to the present invention is advantageous in that high temperature safety is improved without degrading electrical conductivity, thus enabling the lithium secondary battery to effectively exert a high capacity thereof.
(FR) L'invention concerne un matériau actif d'électrode positive qui comprend un oxyde de lithium à base de nickel (formule 1); il s'agit d'un oxyde de métal de transition lithié à base de nickel dont la teneur en nickel est supérieure ou égale à 40% et qui présente une surface revêtue de polymère à point de fusion de 80~300°C. Une batterie secondaire au lithium contenant la matériau actif pour électrode positive selon l'invention est avantageux en ce qu'il renforce la sécurité à haute température sans dégrader la conductivité électrique, permettant ainsi à cette batterie d'offrir une capacité élevée.
(KO) 본 발명은 화학식 1로 표시되는 리튬 니켈계 산화물로 이루어진 양극 활물질로서, 상기 리튬 니켈계 산화물은 전체 전이금속 중 니켈의 함량이 40% 이상이고, 그것의 표면에 융점이 80~300℃인 고분자가 도포되어 있는 양극 활물질을 제공한다. 본 발명에 따른 양극 활물질을 포함하는 리튬 이차전지는 고온 안전성을 향상시키면서도 전기 전도도를 저하시키지 않는 바, 고용량을 효과적으로 발휘할 수 있다는 장점이 있다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, 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, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)
Also published as:
US20110062378CN102272987CN105702916