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1. (WO2016175554) CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2016/175554    International Application No.:    PCT/KR2016/004409
Publication Date: 03.11.2016 International Filing Date: 27.04.2016
IPC:
H01M 4/36 (2006.01), H01M 4/525 (2010.01), H01M 4/58 (2010.01), H01M 4/131 (2010.01), H01M 4/1391 (2010.01), H01M 10/052 (2010.01)
Applicants: LG CHEM, LTD. [KR/KR]; 128, Yeoui-daero Yeongdeungpo-gu Seoul 07336 (KR)
Inventors: CHOI, Ji Hoon; (KR).
JUN, In Kook; (KR).
CHO, Seung Beom; (KR)
Agent: BAE, KIM & LEE IP GROUP; 11th Floor, 343, Gangnam-daero Seocho-gu Seoul 06626 (KR)
Priority Data:
10-2015-0061634 30.04.2015 KR
10-2016-0050071 25.04.2016 KR
Title (EN) CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY INCLUDING SAME
(FR) MATÉRIAU ACTIF DE CATHODE POUR BATTERIE SECONDAIRE AU LITHIUM, SON PROCÉDÉ DE FABRICATION, ET BATTERIE SECONDAIRE AU LITHIUM LE COMPRENANT
(KO) 리튬 이차전지용 양극활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지
Abstract: front page image
(EN)The present invention relates to a cathode active material for a lithium secondary battery, a manufacturing method therefor, and a lithium secondary battery including the same and, specifically, to a cathode active material for a secondary battery, a manufacturing method therefor, and a lithium secondary battery including the same, the cathode active material comprising: lithium transition metal oxide particles represented by chemical formula 1 below; and lithium metal phosphate nanoparticles represented by chemical formula 2 below, arranged on the surface of the lithium transition metal oxide particles. [Chemical formula 1] Li(1+a)(Ni1-b-cMbCoc)O2: In chemical formula 1, M is at least one metal selected from the group consisting of Mn, Al, Cu, Fe, Mg, Cr, Sr, V, Sc, and Y, and 0≤a≤0.2, 0≤b≤1, 0≤c≤1. [Chemical formula 2] Li1+xM'xM''2-x(PO4)3: In chemical formula 2, M' is Al, Y, Cr, or Ca, and M'' is Ge, Ti, Sn, Hf, Zn, or Zr, and 0≤x≤0.5.
(FR)La présente invention concerne un matériau actif de cathode pour une batterie secondaire au lithium, son procédé de fabrication, et une batterie secondaire au lithium le comprenant et, plus particulièrement, un matériau actif de cathode pour une batterie secondaire, son procédé de fabrication, et une batterie secondaire au lithium le comprenant, le matériau actif de cathode comprenant : des particules d'oxyde de métal de transition et de lithium représentées par la formule chimique 1 ci-dessous ; et des nanoparticules de phosphate de métal et de lithium représentées par la formule chimique 2 ci-dessous, agencées sur la surface des particules d'oxyde de métal de transition et de lithium. [Formule chimique 1] Li(1+a)(Ni1-b-cMbCoc)O2: dans la formule chimique 1, M représente au moins un métal choisi dans le groupe constitué par Mn, Al, Cu, Fe, Mg, Cr, Sr, V, Sc et Y, et 0 ≤ a ≤ 0,2, 0 ≤ b ≤ 1, 0 ≤ c ≤ 1. [Formule chimique 2] Li1+xM'xM''2-x(PO4)3: dans la formule chimique 2, M' représente Al, Y, Cr ou Ca, et M'' représente Ge, Ti, Sn, Hf, Zn ou Zr, et 0 ≤ x ≤ 0,5.
(KO)본 발명은 리튬 이차전지용 양극활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지에 관한 것으로, 구체적으로 하기 화학식 1로 표시되는 리튬 전이금속 산화물 입자; 및 상기 리튬 전이금속 산화물 입자 표면에 배치된 하기 화학식 2로 표시되는 리튬 금속 포스페이트 나노입자;를 포함하는 이차전지용 양극활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차전지에 관한 것이다. [화학식 1] Li(1+a)(Ni1-b-cMbCoc)O2 상기 식에서, M은 Mn, Al, Cu, Fe, Mg, Cr, Sr, V, Sc 및 Y로 이루어진 군으로부터 선택된 적어도 하나 이상의 금속이고, 0≤a≤0.2, 0≤b≤1, 0≤c≤1이다. [화학식 2] Li1+xM'xM''2-x(PO4)3 상기 식에서, M'는 Al, Y, Cr 또는 Ca 이고, M''는 Ge, Ti, Sn, Hf, Zn 또는 Zr 이며, 0≤x≤0.5이다.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, 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)