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1. (WO2018038453) ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
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Pub. No.: WO/2018/038453 International Application No.: PCT/KR2017/008925
Publication Date: 01.03.2018 International Filing Date: 17.08.2017
IPC:
H01M 4/36 (2006.01) ,H01M 4/38 (2006.01) ,H01M 4/587 (2010.01) ,H01M 4/13 (2010.01) ,H01M 10/0525 (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
38
of elements or alloys
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
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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
0525
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
Applicants:
삼성에스디아이 주식회사 SAMSUNG SDI CO., LTD. [KR/KR]; 경기도 용인시 기흥구 공세로 150-20 150-20 Gongse-ro, Giheung-gu, Yongin-si, Gyeonggi-do 17084, KR
Inventors:
이수정 LEE, Soojeong; KR
Agent:
팬코리아특허법인 PANKOREA PATENT AND LAW FIRM; 서울시 강남구 논현로85길 70, 13층 13F, 70 Nonhyeon-ro 85-gil, Gangnam-gu, Seoul 06234, KR
Priority Data:
10-2016-010797824.08.2016KR
Title (EN) ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) MATÉRIAU ACTIF D'ANODE POUR BATTERIE RECHARGEABLE AU LITHIUM ET BATTERIE RECHARGEABLE AU LITHIUM LE COMPRENANT
(KO) 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지
Abstract:
(EN) The present invention relates to an anode active material for a lithium secondary battery, and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery comprises a composite of an Si-based or Sn-based material and a carbon-based material, the Raman spectrum peak intensity ratio (ID/ID') of the peak intensity (I1620) of D peak (1360-1370 cm-1) to the peak intensity of D' peak (1620-1625 cm-1), of the carbon-based material, is 4.5-10, the peak intensity ratio (IG/ID) of the peak intensity (IG) of G peak (1580-1590 cm-1) to the peak intensity (ID) of D peak (1360-1370 cm-1), of the carbon-based material, is 0.6-1.5, and the average diameter (D50) of the Si-based or Sn-based metallic material is 30-80 nm.
(FR) La présente invention porte sur un matériau actif d'anode pour une batterie rechargeable au lithium, et sur une batterie rechargeable au lithium le comprenant. Le matériau actif d'anode pour une batterie rechargeable au lithium comprend un composite d'un matériau à base de Si ou à base de Sn et d'un matériau à base de carbone, le rapport d'intensité de pic de spectre Raman (ID/ID') de l'intensité de pic (I1620) d'un pic D (1360-1370 cm-1) à l'intensité de pic d'un pic D' (1620-1625 cm-1), du matériau à base de carbone, est de 4,5 à 10, le rapport d'intensité de pic (IG/ID) de l'intensité de pic (IG) d'un pic G (1580-1590 cm-1) à l'intensité de pic (ID) du pic D (1360-1370 cm-1), du matériau à base de carbone, est de 0,6 à 1,5, et le diamètre moyen (D50) du matériau métallique à base de Si ou à base de Sn est de 30 à 80 nm.
(KO) 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지에 관한 것으로서, 상기 리튬 이차 전지용 음극 활물질은 Si계 또는 Sn계 물질, 및 탄소계 물질의 복합체를 포함하며, 상기 탄소계 물질의 D' 피크(1620cm-1 내지 1625cm-1)의 피크 강도에 대한 D 피크(1360cm-1의 내지 1370cm-1)의 피크 강도(I1620)의 라만 스펙트럼 피크 강도비(ID/ID')는 4.5 내지 10이고, 상기 탄소계 물질의 D 피크(1360cm-1 내지 1370cm-1)의 피크 강도(ID)에 대한 G 피크(1580cm-1의 내지 1590cm-1) 피크 강도(IG)의 피크 강도비(IG/ID)는 0.6 내지 1.5이고, 상기 Si계 또는 Sn계 금속계 물질의 평균 입경(D50)은 30nm 내지 80nm이다.
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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)