HERMETICALLY SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME

Disclosed is a hermetically sealed battery comprising an electrode group (4) which is formed by coiling or laminating a positive electrode plate (1) and a negative electrode plate (2) with a separator (3) interposed therebetween and which is accommodated in a battery casing (5), the battery casing (...

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Main Authors HARIMA, YUKIO, MIYATA, KYOSUKE, KATO, SEIICHI, FUKUOKA, TAKAHIRO, FUNAMI, KOJI, KUMAZAWA, SEIJI
Format Patent
LanguageEnglish
French
Japanese
Published 10.02.2011
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Abstract Disclosed is a hermetically sealed battery comprising an electrode group (4) which is formed by coiling or laminating a positive electrode plate (1) and a negative electrode plate (2) with a separator (3) interposed therebetween and which is accommodated in a battery casing (5), the battery casing (5) including an opening which is sealed with a sealing plate (10). A lead (11) which leads out from either of the electrode plates in the electrode group (4) is laser-welded to the sealing plate (10), and a weld (14) between the lead (11) and the sealing plate (10) is formed as a line extending across at least the end of the lead (11). L'invention porte sur une batterie hermétiquement fermée comprenant un groupe d'électrodes (4) formé par enroulement ou stratification d'une plaque d'électrode positive (1) et d'une plaque d'électrode négative (2) avec un séparateur (3) intercalé entre elles et contenue dans un carter de batterie (5), le carter de batterie (5) comprenant une ouverture fermée par une plaque de fermeture(10). Une patte (11) sortant de l'une des plaques d'électrode du groupe d'électrodes (4) est soudée par laser à la plaque de fermeture (10), et une soudure (14) entre la patte (11) et la plaque de fermeture (10) est réalisée sous la forme d'une ligne s'étendant en travers d'au moins l'extrémité de la patte (11).
AbstractList Disclosed is a hermetically sealed battery comprising an electrode group (4) which is formed by coiling or laminating a positive electrode plate (1) and a negative electrode plate (2) with a separator (3) interposed therebetween and which is accommodated in a battery casing (5), the battery casing (5) including an opening which is sealed with a sealing plate (10). A lead (11) which leads out from either of the electrode plates in the electrode group (4) is laser-welded to the sealing plate (10), and a weld (14) between the lead (11) and the sealing plate (10) is formed as a line extending across at least the end of the lead (11). L'invention porte sur une batterie hermétiquement fermée comprenant un groupe d'électrodes (4) formé par enroulement ou stratification d'une plaque d'électrode positive (1) et d'une plaque d'électrode négative (2) avec un séparateur (3) intercalé entre elles et contenue dans un carter de batterie (5), le carter de batterie (5) comprenant une ouverture fermée par une plaque de fermeture(10). Une patte (11) sortant de l'une des plaques d'électrode du groupe d'électrodes (4) est soudée par laser à la plaque de fermeture (10), et une soudure (14) entre la patte (11) et la plaque de fermeture (10) est réalisée sous la forme d'une ligne s'étendant en travers d'au moins l'extrémité de la patte (11).
Author FUNAMI, KOJI
KATO, SEIICHI
HARIMA, YUKIO
KUMAZAWA, SEIJI
MIYATA, KYOSUKE
FUKUOKA, TAKAHIRO
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Snippet Disclosed is a hermetically sealed battery comprising an electrode group (4) which is formed by coiling or laminating a positive electrode plate (1) and a...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title HERMETICALLY SEALED BATTERY AND METHOD FOR MANUFACTURING THE SAME
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