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1. (WO2019044308) NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
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Pub. No.: WO/2019/044308 International Application No.: PCT/JP2018/028176
Publication Date: 07.03.2019 International Filing Date: 27.07.2018
IPC:
H01M 2/16 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2
Constructional details, or processes of manufacture, of the non-active parts
14
Separators; Membranes; Diaphragms; Spacing elements
16
characterised by the material
Applicants:
パナソニックIPマネジメント株式会社 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. [JP/JP]; 大阪府大阪市中央区城見2丁目1番61号 1-61, Shiromi 2-chome, Chuo-ku, Osaka-shi, Osaka 5406207, JP
Inventors:
杉森 仁徳 SUGIMORI Masanori; --
馬場 泰憲 BABA Yasunori; --
柳田 勝功 YANAGIDA Katsunori; --
平野 暢宏 HIRANO Nobuhiro; --
Agent:
鎌田 健司 KAMATA Kenji; JP
前田 浩夫 MAEDA Hiroo; JP
Priority Data:
2017-16477229.08.2017JP
Title (EN) NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
(FR) BATTERIE SECONDAIRE À ÉLECTROLYTE NON AQUEUX
(JA) 非水電解質二次電池
Abstract:
(EN) This nonaqueous electrolyte secondary battery is provided with a positive electrode, a negative electrode, and a separator that is arranged between the positive electrode and the negative electrode. The separator comprises an inorganic filler layer which has a first filler layer that contains phosphate particles and a second filler layer that is arranged on the first filler layer and contains inorganic particles that have higher heat resistance than the phosphate particles. The phosphate particles have BET specific surface areas within the range of from 5 m2/g to 100 m2/g (inclusive).
(FR) L'invention concerne une batterie secondaire à électrolyte non aqueux, comprenant une électrode positive, une électrode négative et un séparateur disposé entre l'électrode positive et l'électrode négative. Le séparateur comprend une couche de charge inorganique qui comporte une première couche de charge contenant des particules de phosphate et une seconde couche de charge disposée sur la première couche de charge et contenant des particules inorganiques qui ont une résistance à la chaleur supérieure à celle des particules de phosphate. Les particules de phosphate ont des surfaces spécifiques BET situées dans la plage comprise entre 5 m2/g et 100 m2/g (inclus).
(JA) 非水電解質二次電池は、正極と、負極と、正極と負極との間に配置されたセパレータと、を備え、セパレータは、リン酸塩粒子を含む第1フィラー層と、第1フィラー層上に配置され、前記リン酸塩粒子より耐熱性の高い無機粒子を含む第2フィラー層と、有する無機フィラー層を含み、前記リン酸塩粒子のBET比表面積は、5m/g以上100m/g以下の範囲である。
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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, 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: Japanese (JA)
Filing Language: Japanese (JA)