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1. (WO2018225394) SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC TOOL, AND ELECTRONIC APPARATUS
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Pub. No.: WO/2018/225394 International Application No.: PCT/JP2018/016086
Publication Date: 13.12.2018 International Filing Date: 19.04.2018
IPC:
H01M 2/02 (2006.01) ,H01M 2/04 (2006.01) ,H01M 2/08 (2006.01) ,H01M 2/10 (2006.01) ,H01M 10/04 (2006.01) ,H01M 10/052 (2010.01) ,H01M 10/0587 (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
2
Constructional details, or processes of manufacture, of the non-active parts
02
Cases, jackets, or wrappings
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
02
Cases, jackets, or wrappings
04
Lids or covers
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
02
Cases, jackets, or wrappings
08
Sealing materials
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
10
Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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
052
Li-accumulators
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
058
Construction or manufacture
0587
of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
Applicants:
株式会社村田製作所 MURATA MANUFACTURING CO., LTD. [JP/JP]; 京都府長岡京市東神足1丁目10番1号 10-1, Higashikotari 1-chome, Nagaokakyo-shi, Kyoto 6178555, JP
Inventors:
袖山 国雄 SODEYAMA Kunio; JP
Agent:
特許業務法人つばさ国際特許事務所 TSUBASA PATENT PROFESSIONAL CORPORATION; 東京都新宿区新宿1丁目15番9号さわだビル3階 3F, Sawada Building, 15-9, Shinjuku 1-chome, Shinjuku-ku, Tokyo 1600022, JP
Priority Data:
2017-11260407.06.2017JP
Title (EN) SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC TOOL, AND ELECTRONIC APPARATUS
(FR) BATTERIE SECONDAIRE, BLOC-BATTERIE, VÉHICULE ÉLECTRIQUE, SYSTÈME DE STOCKAGE D'ÉNERGIE, OUTIL ÉLECTRIQUE, ET APPAREIL ÉLECTRONIQUE
(JA) 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器
Abstract:
(EN) A secondary battery is provided with: a storage member including a folding portion defining an open-end portion; a battery element which includes a positive electrode, a negative electrode, and an electrolyte, and which is stored in the storage member; a lid member which extends in an intersecting direction intersecting a storage direction of the battery element with respect to the storage member and thereby closes the open-end portion of the storage member, and which includes a lower surface opposing the battery element, an upper surface on the opposite side from the lower surface, and a side surface connected to both the lower surface and the upper surface; and a seal member interposed between the folding portion and the lid member. The folding portion is bent so as to be disposed along each of the lower surface, side surface, and upper surface of the lid member, and includes a specific folding part which is bent to be disposed along each of the side surface and upper surface of the lid member. A folding rate R1 (=(L1/D1)×100) which is calculated on the basis of an outer diameter D1 (mm) of the storage member defined by the folding portion in the intersecting direction, and a folding length L1 (mm) at the specific folding part in the intersecting direction is not less than 10% and not more than 13%.
(FR) L'invention concerne une batterie secondaire comprenant : un élément de stockage comprenant une partie de pliage définissant une partie d'extrémité ouverte; un élément de batterie qui comprend une électrode positive, une électrode négative et un électrolyte, et qui est stocké dans l'élément de stockage; un élément couvercle qui s'étend dans une direction d'intersection croisant une direction de stockage de l'élément de batterie par rapport à l'élément de stockage et fermant ainsi la partie d'extrémité ouverte de l'élément de stockage, et qui comprend une surface inférieure opposée à l'élément de batterie, une surface supérieure sur le côté opposé à la surface inférieure, et une surface latérale reliée à la fois à la surface inférieure et à la surface supérieure; et un élément d'étanchéité interposé entre la partie de pliage et l'élément couvercle. La partie de pliage est pliée de façon à être disposée le long de chacune de la surface inférieure, de la surface latérale et de la surface supérieure de l'élément couvercle, et comprend une partie de pliage spécifique qui est pliée pour être disposée le long de chacune de la surface latérale et de la surface supérieure de l'élément couvercle. Une vitesse de pliage R1 (= (L1/D1) × 100) qui est calculée sur la base d'un diamètre externe D1 (mm) de l'élément de stockage défini par la partie de pliage dans la direction d'intersection, et une longueur de pliage L1 (mm) au niveau de la partie de pliage spécifique dans la direction d'intersection n'est pas inférieure à 10 % et inférieure ou égale à 13 %.
(JA) 二次電池は、開放端部を画定する折り曲げ部を有する収納部材と、正極、負極および電解液を含むと共に収納部材に収納された電池素子と、収納部材に対する電池素子の収納方向と交差する交差方向に延在することにより収納部材の開放端部を閉塞すると共に、電池素子に対向する下面と下面と反対側の上面と下面および上面のそれぞれに連結された側面とを有する蓋部材と、折り曲げ部と蓋部材との間に介在する封止部材とを備える。この折り曲げ部は、蓋部材の下面、側面および上面のそれぞれに沿うように折り曲げられていると共に、蓋部材の側面および上面のそれぞれに沿うように折り曲げられた特定折り曲げ部分を含む。交差方向において折り曲げ部により規定される収納部材の外径D1(mm)と、交差方向における特定折り曲げ部分の折り曲げ長さL1(mm)とに基づいて算出される折り曲げ率R1(=(L1/D1)×100)は、10%以上13%以下である。
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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)