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1. (WO2018099091) ELECTROLYTE SOLUTION AND SECONDARY BATTERY
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Pub. No.: WO/2018/099091 International Application No.: PCT/CN2017/093005
Publication Date: 07.06.2018 International Filing Date: 14.07.2017
IPC:
H01M 10/0567 (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
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
Applicants:
宁德时代新能源科技股份有限公司 CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED [CN/CN]; 中国福建省宁德市 蕉城区漳湾镇新港路1号 No. 1 Xingang Road, Zhangwan Town, Jiaocheng District Ningde, Fujian 352100, CN
Inventors:
张昌明 ZHANG, Changming; CN
付成华 FU, Chenghua; CN
Agent:
北京汇思诚业知识产权代理有限公司 UNI-INTEL PATENT AND TRADEMARK LAW FIRM; 中国北京市 海淀区高粱桥斜街59号中坤大厦603室 Room 603, Zhongkun Plaza No. 59 Gaoliangqiao Xiejie, Haidian District Beijing 100044, CN
Priority Data:
201611080983.X30.11.2016CN
Title (EN) ELECTROLYTE SOLUTION AND SECONDARY BATTERY
(FR) SOLUTION ÉLECTROLYTIQUE ET BATTERIE SECONDAIRE
(ZH) 一种电解液及二次电池
Abstract:
(EN) An electrolyte solution and a secondary battery. The electrolyte solution comprises a solvent, an electrolyte, and an additive. The additive comprises a barbituric acid compound and an SEI film-forming additive. By using a barbituric acid compound and an SEI film-forming additive as a functional mixed additive, the low-temperature discharging property, the circulating property, the high-temperature storage property, the hotbox property after circulating, and the overcharging property of a battery can significantly be improved.
(FR) L'invention porte sur une solution électrolytique et sur une batterie secondaire. La solution électrolytique comprend un solvant, un électrolyte et un additif. L'additif comprend un composé d'acide barbiturique et un additif filmogène SEI. En utilisant un composé d'acide barbiturique et un additif filmogène SEI en tant qu'additif mélangé fonctionnel, la propriété de décharge à basse température, la propriété de circulation, la propriété de stockage à haute température, la propriété de boîte chaude après la circulation, et la propriété de surcharge d'une batterie peuvent significativement être améliorées.
(ZH) 一种电解液及二次电池,所述电解液包括溶剂、电解质和添加剂,添加剂中含有巴比妥酸化合物和SEI成膜添加剂。通过将巴比妥酸化合物和SEI成膜添加剂作为功能性混合添加剂,可显著改善电池的低温放电性能、循环性能、高温存储性能、循环后热箱性能和过充性能。
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, KR, 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: Chinese (ZH)
Filing Language: Chinese (ZH)