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1. (WO2018088735) ANODE AND METHOD FOR FABRICATING SAME
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Pub. No.: WO/2018/088735 International Application No.: PCT/KR2017/011918
Publication Date: 17.05.2018 International Filing Date: 26.10.2017
IPC:
H01M 4/133 (2010.01) ,H01M 4/36 (2006.01) ,H01M 4/1393 (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
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
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
139
Processes of manufacture
1393
of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
이수민 LEE, Su Min; KR
신선영 SHIN, Sun Young; KR
이수연 LEE, Su Yeon; 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:
10-2016-014795008.11.2016KR
Title (EN) ANODE AND METHOD FOR FABRICATING SAME
(FR) ANODE ET SON PROCÉDÉ DE FABRICATION
(KO) 음극 및 상기 음극의 제조방법
Abstract:
(EN) An anode according to an embodiment of the present invention comprises a current collector and an anode active material layer arranged on the current collector, wherein the anode active material layer comprises: a first core inclusive of first and second particles, the first particles containing artificial graphite; and a first shell arranged on the first core and including an oxide of the artificial graphite, the first particles have a spheroidization degree of 0.94 to 0.98 as measured by a particle shape analyzer, the second particles are artificial graphite having a spheriodization degree of 0.70 to 0.92 as measured by the particle shape analyzer, the first and the second particles having a weight ratio of 1:1 to 1:9.
(FR) Selon un mode de réalisation, la présente invention concerne une anode qui comprend un collecteur de courant et une couche de matériau actif d'anode agencée sur le collecteur de courant, la couche de matériau actif d'anode comprenant : un premier noyau incluant des premières et deuxièmes particules, les premières particules contenant du graphite artificiel; et une première coque agencée sur le premier noyau et incluant un oxyde du graphite artificiel, les premières particules ayant un degré de sphéroïdisation compris entre 0,94 et 0,98 tel qu'il est mesuré par un analyseur de forme de particules, les deuxièmes particules étant du graphite artificiel ayant un degré de sphéroïdisation compris entre 0,70 et 0,92 tel qu'il est mesuré par l'analyseur de forme de particules, les premières et deuxièmes particules ayant un ratio pondéral compris entre 1:1 et 1:9.
(KO) 본 발명의 일 실시예에 따른 음극은 집전체 및 상기 집전체 상에 배치된 음극 활물질층을 포함하는 음극에 있어서, 상기 음극 활물질층은 제1 입자 및 제2 입자를 포함하며, 상기 제1 입자는 인조흑연을 포함하는 제1 코어; 및 상기 제1 코어 상에 배치되며 상기 인조흑연의 산화물을 포함하는 제1 쉘을 포함하며, 입자형상 분석기를 통해 측정된 상기 제1 입자의 구형화도가 0.94 내지 0.98이며, 상기 제2 입자는 상기 입자형상 분석기를 통해 측정된 구형화도가 0.70 내지 0.92인 인조흑연이고, 상기 제1 입자와 상기 제2 입자의 중량비는 1:1 내지 1:9이다.
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)