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1. (WO2013055186) CABLE-TYPE SECONDARY BATTERY
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2013/055186    International Application No.:    PCT/KR2012/008399
Publication Date: 18.04.2013 International Filing Date: 15.10.2012
IPC:
H01M 10/05 (2010.01), H01M 4/02 (2006.01), H01M 4/64 (2006.01), H01M 10/0566 (2010.01), H01M 10/0565 (2010.01)
Applicants: LG CHEM, LTD. [KR/KR]; 128, Yeoui-daero Youngdungpo-gu Seoul 150-721 (KR) (For All Designated States Except US).
KWON, Yo-Han [KR/KR]; (KR) (US only).
WOO, Sang-Wook [KR/KR]; (KR) (US only).
JUNG, Hye-Ran [KR/KR]; (KR) (US only).
KIM, Je-Young [KR/KR]; (KR) (US only)
Inventors: KWON, Yo-Han; (KR).
WOO, Sang-Wook; (KR).
JUNG, Hye-Ran; (KR).
KIM, Je-Young; (KR)
Agent: PHIL & ONZI INT'L PATENT & LAW FIRM; 8F., 63, Banpo-daero Seocho-gu, Seoul 137-872 (KR)
Priority Data:
10-2011-0104876 13.10.2011 KR
10-2012-0114122 15.10.2012 KR
Title (EN) CABLE-TYPE SECONDARY BATTERY
(FR) BATTERIE SECONDAIRE À CÂBLE
(KO) 케이블형 이차전지
Abstract: front page image
(EN)The present invention provides a cable-type secondary battery comprising: a lithium-ion supply core portion; an inner electrode that encases the outer surface of the lithium-ion supply core portion, and which comprises an inner current collector having a pipe shape formed in a 3D reticular structure, and is coated with an inner electrode active material on the outer surface thereof; a separation layer, which is formed so as to encase the outer surface of the inner electrode, for preventing a short circuit of an electrode; and an outer electrode, which is encases the outer surface of the separation layer, and is provided with an outer electrode active material layer and an outer current collector, wherein the cable-type secondary battery has a horizontal cross-section that has a specific shape and is extended in the lengthwise direction. The lithium-ion core supply portion comprising the electrolyte, according to the present invention, is positioned inside the inner electrode, which has an open structure that contains the current collector having a pipe shape formed in the 3D reticular structure, wherein the electrolyte in the lithium-ion supply core portion can easily penetrate into the active material of the electrode, thereby facilitating supply and exchange of lithium-ion. As a result, the cable-type secondary battery, according to the present invention, is provided with the lithium-ion supply core portion thereby rendering superior capacity and cycle properties of a battery.
(FR)La présente invention concerne une batterie secondaire à câble comprenant une partie centrale d'alimentation en lithium-ion; une électrode intérieure qui revêt la surface extérieure de la partie centrale d'alimentation en lithium-ion, et qui comprend un dispositif de prise de courant intérieur ayant une forme de tuyau formé dans une structure réticulaire en 3D, et est enrobé avec une matière active d'électrode sur sa surface extérieure; une coche de séparation qui est formée de manière à revêtir la surface extérieure de l'électrode intérieurer pour éviter un court-circuit d'une électrode; et une électrode extérieure qui revêt la surface extérieure de la couche de séparation et qui est pourvue d'une couche d'une matière active d'électrode extérieure et d'un dispositif de prise de courant extérieur, la batterie secondaire à câble prséentant une section transversale horizontale d'une forme spécifique et s'étendant dans le sens de la longueur. La partie centrale d'alimentation en lithium-ion comprenant l'électrolyte, selon la présente invention, est disposée à l'intérieur de l'électrode intérieure, laquelle présente une structure ouverte qui contient le dispositif de prise de courant ayant une forme de tuyau formé dans la structure réticulaire en 3D, l'électrolyte dans la partie centrale d'alimentation en lithium-ion pouvant pénétrer facilement dans la matière active de l'électrode, ce qui permet de faciliter l'alimentation et l'échange de lithium-ion. Ainsi, la batterie secondaire à câble selon l'invention est pourvue d'une partie centrale d'alimentation en lithium-ion ce qui permet d'obtenir des propriétés de cycle et une capacité supérieures pour une batterie.
(KO)본 발명은 전해질을 포함하는 전해질을 포함하는 리튬이온 공급 코어부; 상기 리튬이온 공급 코어부의 외면을 둘러싸며 형성되며, 내부전극 활물질이 외면에 코팅된 3차원 망상구조의 파이프 형태를 갖는 내부집전체를 포함하는 내부전극; 상기 내부전극의 외면을 둘러싸며 형성된 전극의 단락을 방지하는 분리층; 및 상기 분리층의 외면을 둘러싸며 형성되고, 외부전극 활물질층과 외부집전체를 구비하는 외부전극;을 포함하는 소정 형상의 수평 단면을 가지고 길이 방향으로 연장된 케이블형 이차전지를 제공한다. 본 발명의 전해질을 포함하는 리튬이온 공급 코어부는 내부전극의 내부에 위치하고 있으며 상기 내부전극은 3차원 망상구조의 파이프형태의 집전체를 포함하는 열린 구조를 가지므로, 이러한 리튬이온 공급 코어부의 전해질은 전극의 활물질으로의 침투가 용이하여, 리튬이온의 공급 및 리튬이온의 교환을 용이하게 할 수 있다. 따라서, 본 발명의 케이블형 이차전지는 리튬이온 공급 코어부를 구비하고 있으므로 전지의 용량 특성 및 사이클 특성이 우수하다.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KZ, LA, LC, LK, LR, LS, LT, 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, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, 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, ML, MR, NE, SN, TD, TG).
Publication Language: Korean (KO)
Filing Language: Korean (KO)