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1. (WO2019027210) ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING PROTECTIVE LAYER AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2019/027210 International Application No.: PCT/KR2018/008644
Publication Date: 07.02.2019 International Filing Date: 30.07.2018
IPC:
H01M 4/134 (2010.01) ,H01M 4/62 (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
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
134
Electrodes based on metals, Si 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
62
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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:
윤현웅 YUN, Hyunwoong; KR
Agent:
유미특허법인 YOU ME PATENT AND LAW FIRM; 서울시 강남구 테헤란로 115 115 Teheran-ro Gangnam-gu Seoul 06134, KR
Priority Data:
10-2017-009746501.08.2017KR
10-2018-008820527.07.2018KR
Title (EN) ELECTRODE FOR LITHIUM SECONDARY BATTERY COMPRISING PROTECTIVE LAYER AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) ÉLECTRODE POUR BATTERIE SECONDAIRE AU LITHIUM COMPRENANT UNE COUCHE PROTECTRICE ET BATTERIE SECONDAIRE AU LITHIUM LA COMPRENANT
(KO) 보호층을 포함하는 리튬 이차전지용 전극 및 이를 포함하는 리튬 이차전지
Abstract:
(EN) The present invention relates to an electrode for a lithium secondary battery comprising a protective layer, and a lithium secondary battery comprising the same. The protective layer comprises a thermally conductive material. In the electrode for a lithium secondary battery of the present invention, heat distribution across an electrode surface is uniformly maintained during charging and discharging, so that the growth of lithium dendrite occurs uniformly on the electrode surface. Therefore, the electrode of the present invention does not cause a problem of an increase in the contact area between the electrode and electrolyte caused by the non-uniform growth of the lithium dendrite and the problem of the protective layer peeling, so that when applyied to a battery the improvement to the stability and lifespan characteristics can be secured.
(FR) La présente invention porte sur une électrode pour une batterie secondaire au lithium comprenant une couche protectrice, et sur une batterie secondaire au lithium la comprenant. La couche protectrice comprend un matériau thermoconducteur. Dans l'électrode pour une batterie secondaire au lithium selon la présente invention, la distribution de chaleur à travers une surface d'électrode est maintenue uniformément pendant la charge et la décharge, de telle sorte que la croissance de dendrite de lithium se produit uniformément sur la surface d'électrode. Par conséquent, l'électrode selon la présente invention ne provoque pas de problème d'augmentation de la superficie de contact entre l'électrode et l'électrolyte provoquée par la croissance non uniforme de la dendrite de lithium ni de problème d'écaillage de la couche protectrice, de sorte que, lorsqu'elle est appliquée à une batterie, l'amélioration des caractéristiques de stabilité et de durée de vie peut être assurée.
(KO) 본 발명은 보호층을 포함하는 리튬 이차전지용 전극 및 이를 포함하는 리륨 이차전지에 관한 것이다. 보호층은 열전도 물질을 포함한다. 본 발명의 리튬 이차전지용 전극은 충방전 중 전극 표면의 열 분포가 균일하게 유지되며, 이에 따라 전극 표면에서 리튬 덴드라이트의 성장이 고르게 일어난다. 따라서, 본 발명의 전극은 리튬 덴드라이트의 불균일한 성장으로 야기되는 전극과 전해액의 접촉 면적 증가 문제 및 보호층의 박리 문제가 발생하지 않으므로, 전지에 적용 시 안정성 및 수명특성 향상 효과를 확보할 수 있다.
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)