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1. (WO2019004655) ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
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Pub. No.: WO/2019/004655 International Application No.: PCT/KR2018/007033
Publication Date: 03.01.2019 International Filing Date: 21.06.2018
IPC:
H01M 10/0585 (2010.01) ,H01M 4/75 (2006.01) ,H01M 4/04 (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
10
Secondary cells; Manufacture thereof
05
Accumulators with non-aqueous electrolyte
058
Construction or manufacture
0585
of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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
64
Carriers or collectors
70
characterised by shape or form
75
Wires, rods, or strips
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
04
Processes of manufacture in general
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:
송주용 SONG, Joo-Yong; KR
이명기 LEE, Myung-Ki; KR
안지희 AHN, Ji-Hee; KR
Agent:
특허법인필앤온지 PHIL ONZI INTL PATENT LAW FIRM; 서울시 서초구 서초중앙로 36, 3층 3F., 36, Seochojungang-ro, Seocho-gu, Seoul 06643, KR
Priority Data:
10-2017-008148027.06.2017KR
Title (EN) ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) ENSEMBLE D'ÉLECTRODES ET BATTERIE SECONDAIRE AU LITHIUM LE COMPRENANT
(KO) 전극 조립체 및 그를 포함하는 리튬 이차전지
Abstract:
(EN) The present invention relates to an electrode assembly and a lithium secondary battery including the same, the electrode assembly comprising a cathode current collector, a cathode active material layer, a separation membrane, an anode active material layer, and an anode current collector, which are sequentially stacked, wherein: the cathode active material layer, the separation membrane, and the anode active material layer have a plurality of through-holes formed to pass therethrough; the cathode current collector includes a first sheet type current collector, and a plurality of first pillar type current collectors extending in the thickness direction of the current assembly from the first sheet type current collector and passing through some of the plurality of through-holes; and the anode current collector includes a second sheet type current collector, and a plurality of second pillar type current collectors extending in the thickness direction of the electrode assembly from the second sheet type current collector and passing through the remaining through-holes excluding some of the plurality of through-holes.
(FR) La présente invention concerne un ensemble d'électrodes et une batterie secondaire au lithium le comprenant, l'ensemble d'électrodes comprenant un collecteur de courant de cathode, une couche de matériau actif de cathode, une membrane de séparation, une couche de matériau actif d'anode et un collecteur de courant d'anode, qui sont empilés séquentiellement, dans lequel : la couche de matériau actif de cathode, la membrane de séparation et la couche de matériau actif d'anode ont une pluralité de trous traversants formés pour passer à travers celui-ci; le collecteur de courant de cathode comprend un premier collecteur de courant de type feuille, et une pluralité de premiers collecteurs de courant de type pilier s'étendant dans la direction d'épaisseur de l'ensemble courant à partir du premier collecteur de courant de type feuille et traversant certains de la pluralité de trous traversants; et le collecteur de courant d'anode comprend un second collecteur de courant de type feuille, et une pluralité de seconds collecteurs de courant de type pilier s'étendant dans la direction de l'épaisseur de l'ensemble d'électrodes à partir du second collecteur de courant de type feuille et passant à travers les trous traversants restants à l'exclusion de certains trous traversants de la pluralité de trous traversants.
(KO) 본 발명은 양극 집전체, 양극 활물질층, 분리막, 음극 활물질층 및 음극 집전체가 차례대로 적층된 전극 조립체로서, 상기 양극 활물질층, 상기 분리막 및 상기 음극 활물질층을 아울러 관통하는 복수의 관통공들이 형성되어 있으며, 상기 양극 집전체는, 제1 시트형 집전체 및 상기 제1 시트형 집전체로부터 상기 전극 조립체의 두께 방향으로 연장 형성되고, 상기 복수의 관통공들 중 일부를 관통하는 복수의 제1 기둥형 집전체를 포함하고, 상기 음극 집전체는, 제2 시트형 집전체 및 상기 제2 시트형 집전체로부터 상기 전극 조립체의 두께 방향으로 연장 형성되고, 상기 복수의 관통공들 중 상기 일부 관통공들을 제외한 나머지 관통공들을 관통하는 복수의 제2 기둥형 집전체를 포함하는 것을 특징으로 하는 전극 조립체 및 그를 포함하는 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, 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)