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1. (WO2018143733) METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY WITH IMPROVED HIGH-TEMPERATURE STORAGE PROPERTIES
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Pub. No.: WO/2018/143733 International Application No.: PCT/KR2018/001469
Publication Date: 09.08.2018 International Filing Date: 02.02.2018
IPC:
H01M 10/04 (2006.01) ,H01M 10/0567 (2010.01) ,H01M 10/42 (2006.01) ,H01M 10/44 (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
04
Construction or 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
056
characterized by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564
the electrolyte being constituted of organic materials only
0566
Liquid materials
0567
characterised by the additives
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
42
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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
42
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
44
Methods for charging or discharging
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:
이정민 LEE, Jung Min; KR
임영민 LIM, Young Min; KR
이철행 LEE, Chul Haeng; KR
안유하 AN, Yu Ha; KR
정이진 JUNG, Yi Jin; KR
오연지 OH, Yeon Ji; 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:
10-2017-001575103.02.2017KR
10-2018-001278801.02.2018KR
Title (EN) METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY WITH IMPROVED HIGH-TEMPERATURE STORAGE PROPERTIES
(FR) PROCÉDÉ DE FABRICATION D'UNE BATTERIE SECONDAIRE AU LITHIUM PRÉSENTANT DES PROPRIÉTÉS DE STOCKAGE À HAUTE TEMPÉRATURE AMÉLIORÉES
(KO) 고온 저장 특성이 향상된 리튬 이차전지의 제조 방법
Abstract:
(EN) The present invention relates to a method for manufacturing a lithium secondary battery, comprising the steps of: preparing a lithium secondary battery including an electrode assembly, a non-aqueous electrolyte for impregnating the electrode assembly, and a battery case for housing the electrode assembly and the non-aqueous electrolyte; formulating the lithium secondary battery; and carrying out a degassing process to remove gases generated from the inside of the lithium secondary battery, wherein the non-aqueous electrolyte comprises a lithium salt, an organic solvent, and 1,2,3-trifluorobenzene as an additive, the 1,2,3-trifluorobenzene being contained in an amount of 0.1-10% by weight on the basis of the total weight of the non-aqueous electrolyte, and wherein the formulating step includes charging the battery to a state of charge (SOC) of 10-80% while applying a voltage of 3.5-4.5 V under a pressure of 0.5-5 kgf/㎠ at a temperature of 45-80℃.
(FR) La présente invention concerne un procédé de fabrication d'une batterie secondaire au lithium, comprenant les étapes suivantes consistant : à préparer une batterie secondaire au lithium comprenant un ensemble électrode, un électrolyte non aqueux destiné à imprégner l'ensemble électrode, et un boîtier de batterie destiné à recevoir l'ensemble électrode et l'électrolyte non aqueux ; à élaborer la batterie secondaire au lithium ; et à réaliser un processus de dégazage destiné à éliminer les gaz générés depuis l'intérieur de la batterie secondaire au lithium, l'électrolyte non aqueux comprenant un sel de lithium, un solvant organique, et du 1,2,3-trifluorobenzène en tant qu'additif, le 1,2,3-trifluorobenzène étant contenu en quantité de 0,1 à 10 % en poids sur la base du poids total de l'électrolyte non aqueux, et l'étape d'élaboration consistant à charger la batterie jusqu'à un état de charge (SOC) de 10 à 80 % tout en appliquant une tension de 3,5 à 4,5 V sous une pression de 0,5 à 5 kgf/cm2 à une température de 45 à 80 °C.
(KO) 본 발명은 전극 조립체, 상기 전극 조립체를 함침시키는 비수 전해액 및 상기 전극조립체와 상기 비수 전해액을 수용하는 전지 케이스를 포함하는 리튬 이차전지를 제조하는 단계; 상기 리튬 이차전지를 포메이션하는 단계; 및 리튬 이차전지 내부의 발생 가스를 제거하는 탈기 공정을 실시하는 단계;를 포함하는 리튬 이차전지의 제조 방법에 있어서, 상기 비수 전해액은 리튬염, 유기용매 및 첨가제로 1,2,3-트리플루오로벤젠을 포함하며, 상기 1,2,3-트리플루오로벤젠은 비수 전해액 전체 중량을 기준으로 0.1 중량% 내지 10 중량%로 포함되고, 상기 포메이션하는 단계는 45℃ 내지 80℃에서, 0.5 kgf/㎠ 내지 5 kgf/㎠ 압력하에서 3.5V 내지 4.5V의 전압을 가하면서, 전지 용량(SOC)을 10% 내지 80%까지 충전하여 실시하는 것을 포함하는 것인 리튬 이차전지의 제조방법에 관한 것이다.
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)