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1. (WO2018004250) POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, CONTAINING HIGH-VOLTAGE LITHIUM COBALT OXIDE HAVING DOPING ELEMENT, AND METHOD FOR PREPARING SAME
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/004250    International Application No.:    PCT/KR2017/006823
Publication Date: 04.01.2018 International Filing Date: 28.06.2017
IPC:
H01M 4/36 (2006.01), H01M 4/525 (2010.01), H01M 4/131 (2010.01), H01M 4/62 (2006.01), H01M 10/0525 (2010.01)
Applicants: LG CHEM, LTD. [KR/KR]; 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336 (KR)
Inventors: JO, Chi Ho; (KR).
LEE, Bo Ram; (KR).
PARK, Sung Bin; (KR).
HUR, Hyuck; (KR).
PARK, Young Uk; (KR).
JUNG, Wang Mo; (KR)
Agent: BAE, KIM & LEE IP GROUP; 11th Floor, 343, Gangnam-daero, Seocho-gu, Seoul 06626 (KR)
Priority Data:
10-2016-0080569 28.06.2016 KR
10-2017-0081193 27.06.2017 KR
Title (EN) POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, CONTAINING HIGH-VOLTAGE LITHIUM COBALT OXIDE HAVING DOPING ELEMENT, AND METHOD FOR PREPARING SAME
(FR) MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE POUR BATTERIE SECONDAIRE AU LITHIUM, CONTENANT DE L'OXYDE DE COBALT ET DE LITHIUM HAUTE TENSION AYANT UN ÉLÉMENT DOPANT, ET SON PROCÉDÉ DE PRÉPARATION
(KO) 도핑 원소를 가진 고전압용 리튬 코발트 산화물을 포함하는 리튬 이차전지용 양극 활물질 및 이를 제조하는 방법
Abstract: front page image
(EN)The present invention provides positive electrode active material particles for a secondary battery, the particles comprising: a lithium cobalt oxide; a coating layer formed on a particle surface of the lithium cobalt oxide and containing element A; and a dopant containing element B substituted in the lithium cobalt oxide, wherein elements A and B each are independently at least one selected from the group consisting of Al, Ti, Mg, Zr, Ba, Ca, Ta, Nb, and Mo, and wherein the molar ratio of element A in the coating layer : element B in the dopant is higher than 1 : 1 and equal to and lower than 10 : 1.
(FR)La présente invention concerne des particules de matériau actif d'électrode positive pour une batterie secondaire, les particules comprenant : un oxyde de cobalt et de lithium ; une couche de revêtement formée sur une surface de particule de l'oxyde de cobalt et de lithium et contenant l'élément A ; et un dopant contenant l'élément B substitué dans l'oxyde de cobalt et de lithium, les éléments A et B étant chacun indépendamment au moins un élément choisi dans le groupe constitué par Al, Ti, Mg, Zr, Ba, Ca, Ta, Nb et Mo, et le rapport molaire de l'élément A dans la couche de revêtement à l'élément B dans le dopant étant supérieur à 1:1 et inférieur ou égal à 10:1.
(KO)본 발명은 리튬 코발트 산화물; 상기 리튬 코발트 산화물의 입자 표면 상에 형성되고, 원소 A를 포함하는 코팅층; 및 상기 리튬 코발트 산화물에 치환되어 있는 원소 B를 함유한 도펀트;를 포함하고 있으며, 상기 원소 A 및 원소 B는 각각 독립적으로 Al, Ti, Mg, Zr, Ba, Ca, Ta, Nb, 및 Mo으로 이루어진 군에서 선택되는 적어도 하나 이상이고, 코팅층 중 원소 A : 도펀트 중 원소 B의 몰비는 1 : 1 초과 내지 10 : 1 이하인 것을 특징으로 하는 이차전지용 양극 활물질 입자를 제공한다.
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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)