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1. (WO2017111542) ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/111542 International Application No.: PCT/KR2016/015195
Publication Date: 29.06.2017 International Filing Date: 23.12.2016
IPC:
H01M 4/587 (2010.01) ,H01M 4/36 (2006.01) ,H01M 4/133 (2010.01) ,H01M 10/052 (2010.01) ,H01M 4/02 (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
58
of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
583
Carbonaceous material, e.g. graphite-intercalation compounds or CFx
587
for inserting or intercalating light metals
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
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
133
Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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
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
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
최희원 CHOI, Hee Won; KR
우상욱 WOO, Sang Wook; KR
정동섭 JUNG, Dong Sub; KR
김동혁 KIM, Dong Hyuk; KR
김은경 KIM, Eun Kyung; KR
Agent:
특허법인 태평양 BAE, KIM & LEE IP GROUP; 서울시 서초구 강남대로 343, 11층 11th Floor, 343, Gangnam-daero, Seocho-gu, Seoul 06626, KR
Priority Data:
10-2015-018480923.12.2015KR
10-2016-017672322.12.2016KR
Title (EN) ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME
(FR) MATÉRIAU ACTIF D'ANODE POUR UNE BATTERIE RECHARGEABLE AU LITHIUM ET ANODE POUR UNE BATTERIE RECHARGEABLE AU LITHIUM COMPRENANT CE DERNIER
(KO) 리튬 이차전지용 음극활물질 및 이를 포함하는 리튬 이차전지용 음극
Abstract:
(EN) The present invention relates to an anode active material for a lithium secondary battery, an anode including the same, and a lithium secondary battery having the same, the anode active material comprising: (A) a first artificial graphite of which the average particle diameter (D50) is 15 μm to 20 μm; and (B) a second artificial graphite of which the average particle diameter (D50) is 3 μm to 5 μm, wherein the first artificial graphite (A) comprises second artificial graphite particles, in which one or more first artificial graphite particles are aggregated, and a carbon coating layer, and the weight ratio of the first artificial graphite and the second artificial graphite is 85:15 to 95:5.
(FR) La présente invention se rapporte à un matériau actif d'anode pour une batterie rechargeable au lithium, à une anode comprenant ce dernier, et à une batterie rechargeable au lithium comportant ce dernier, le matériau actif d'anode comprenant : (A) un premier graphite artificiel dont le diamètre moyen des particules (D50) est compris entre 15 µm et 20 µm ; et (B) un second graphite artificiel dont le diamètre moyen des particules (D50) est compris entre 3 μm et 5 μm, le premier graphite artificiel (A) comprenant des particules du second graphite artificiel, dans lesquelles une ou plusieurs particules du premier graphite artificiel sont agrégées, et une couche de revêtement de carbone, et le rapport pondéral entre le premier graphite artificiel et le second graphite artificiel étant compris entre 85:15 et 95:5.
(KO) 본 발명은 (A) 평균입경(D50)이 15㎛ 내지 20㎛인 제1 인조흑연; 및 (B) 평균입경(D50)이 3㎛ 내지 5㎛인 제2 인조흑연;을 포함하고, 상기 (A) 상기 제1 인조흑연은 1 이상의 1차 인조흑연 입자가 응집된 2차 인조흑연 입자 및 탄소 코팅층을 포함하며, 상기 제1 인조흑연 : 제2 인조흑연의 중량비는 85:15 내지 95:5인 리튬 이차전지용 음극활물질과, 이를 포함하는 음극 및 이를 구비한 리튬 이차전지에 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, 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 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)
Also published as:
EP3297073US20180190985CN107851795