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1. (WO2019066298) POSITIVE ELECTRODE ACTIVE MATERIAL FOR HIGH VOLTAGE, COMPRISING LITHIUM MANGANESE-BASED OXIDE, AND PRODUCTION METHOD THEREFOR
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Pub. No.: WO/2019/066298 International Application No.: PCT/KR2018/010473
Publication Date: 04.04.2019 International Filing Date: 07.09.2018
IPC:
H01M 4/36 (2006.01) ,H01M 4/505 (2010.01) ,H01M 4/62 (2006.01) ,H01M 10/052 (2010.01)
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
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
62
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
한기범 HAN, Gi Beom; KR
황진태 HWANG, Jintae; KR
정왕모 JUNG, Wang Mo; KR
유민규 YOU, Min Kyu; KR
조치호 JO, Chi Ho; KR
박성빈 PARK, Sungbin; KR
주인성 JU, Inseong; KR
허혁 HUR, Hyuck; KR
박영욱 PARK, Younguk; KR
유태구 YOU, Tae Gu; KR
Agent:
유미특허법인 YOU ME PATENT AND LAW FIRM; 서울시 강남구 테헤란로 115 115 Teheran-ro Gangnam-gu Seoul 06134, KR
Priority Data:
10-2017-012438126.09.2017KR
10-2018-009142606.08.2018KR
Title (EN) POSITIVE ELECTRODE ACTIVE MATERIAL FOR HIGH VOLTAGE, COMPRISING LITHIUM MANGANESE-BASED OXIDE, AND PRODUCTION METHOD THEREFOR
(FR) MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE POUR HAUTE TENSION, COMPRENANT UN OXYDE À BASE DE LITHIUM/MANGANÈSE, ET SON PROCÉDÉ DE PRODUCTION
(KO) 리튬 망간계 산화물을 포함하는 고전압용 양극 활물질 및 이의 제조방법
Abstract:
(EN) The present invention provides a positive electrode active material comprising a lithium-rich lithium manganese-based oxide, wherein the lithium manganese-based oxide has a composition represented by chemical formula (1) below, and the surfaces of the particles of the lithium manganese-based oxide have formed thereon a lithium ion-conductive glass-ceramic solid electrolyte layer comprising at least one type selected from the group consisting of a thio-lithium super ionic conductor (thio-LISICON), a lithium super ionic conductor (LISICON), Li2S-SiS2-Li4SiO4 and Li2S-SiS2-P2S5-Lil. Li1+xMyMn1-x-yO2-zQz (1). Here, 0
(FR) La présente invention concerne un matériau actif d'électrode positive comprenant un oxyde à base de lithium-manganèse riche en lithium, l'oxyde à base de lithium-manganèse ayant une composition représentée par la formule chimique (1) ci-après, et les surfaces des particules de l'oxyde à base de lithium-manganèse ayant, formée sur celles-ci, une couche d'électrolyte solide de vitrocéramique conductrice des ions de lithium comprenant au moins un type choisi dans le groupe constitué d'un conducteur superionique thio-lithium (thio-LISICON), d'un conducteur superionique lithium (LISICON), de Li2S-SiS2-Li4SiO4 et de Li2S-SiS2-P2S5-Lil. Li1+xMyMn1-x-yO2-zQz (1). Où, 0
(KO) 본 발명은 리튬 과잉의 리튬 망간계 산화물을 포함하고 있는 양극 활물질로서, 상기 리튬 망간계 산화물은 하기 화학식 (1)을 조성을 가지며, 상기 리튬 망간계 산화물의 입자 표면에는 thio-LISICON(thio-lithium super ionic conductor), LISICON(lithium super ionic conductor), Li2S-SiS2-Li4SiO4, 및 Li2S-SiS2-P2S5-Lil으로 구성된 군에서 선택된 1종 이상을 포함하는 리튬 이온 전도성 유리-세라믹 고체 전해질 층이 형성되어 있는 양극 활물질을 제공한다. Li1+xMyMn1-x-yO2-zQz (1) 여기서, 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)