LAMINATE BATTERY

To provide a laminate battery with improved durability in a seal portion.SOLUTION: A laminate battery 100 includes an electrode body 10 and an exterior body 20 containing the electrode body 10. The outer peripheral edge of the electrode body 10 in a plan view includes a straight portion 11a. The ext...

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Bibliographic Details
Main Author KIKUCHI KYOKO
Format Patent
LanguageEnglish
Japanese
Published 01.07.2021
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:To provide a laminate battery with improved durability in a seal portion.SOLUTION: A laminate battery 100 includes an electrode body 10 and an exterior body 20 containing the electrode body 10. The outer peripheral edge of the electrode body 10 in a plan view includes a straight portion 11a. The exterior body 20 includes a seal portion 22 along the outer peripheral edge 21 of the exterior body in a plan view. A portion 22aa of the seal portion 22 facing the central portion of the straight portion 11a has a wider width W1 than a portion of the seal portion 22 facing the end portion of the straight portion 11a.SELECTED DRAWING: Figure 3 【課題】シール部における耐久性が改善されたラミネート電池を提供する。【解決手段】ラミネート電池１００は、電極体１０と、電極体１０を収納している外装体２０とを備える。電極体１０の平面視における外周縁は、直線部１１ａを有する。外装体２０は、平面視における外装体の外周縁２１に沿ってシール部２２を有する。直線部１１ａの中央部に対向しているシール部２２の部分２２ａａは、直線部１１ａの端部に対向しているシール部２２の部分よりも幅Ｗ１が広くなっている。【選択図】図３
Bibliography:Application Number: JP20200171028