POWER STORAGE DEVICE ELEMENT AND POWER STORAGE ELEMENT

To provide a power storage device element and a power storage element with excellent vibration resistance.SOLUTION: In a power storage device element in which an end portion of a winding element formed by winding an anode material and a cathode material through a separator is fastened with a tape,th...

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Bibliographic Details
Main Authors KOMATSUZAKI TETSUYA, AKATSU MASAMICHI, HINO MASAYUKI, MIURA HIROMITSU
Format Patent
LanguageEnglish
Japanese
Published 31.01.2019
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
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Summary:To provide a power storage device element and a power storage element with excellent vibration resistance.SOLUTION: In a power storage device element in which an end portion of a winding element formed by winding an anode material and a cathode material through a separator is fastened with a tape,the tape has a base material layer including a first resin layer containing a vinylidene fluoride resin as a main component, and the weight increase rate when being impregnated with an electrolytic solution is 2% or more.SELECTED DRAWING: None 【課題】耐震動性に優れる蓄電デバイス素子および蓄電素子を提供する。【解決手段】陽極材料と陰極材料とをセパレータを介して巻回してなる巻回素子の巻き終わりの端部をテープで止めてなる蓄電デバイス素子において、当該テープは、フッ化ビニリデン樹脂を主成分とする第１の樹脂層を含む基材層を有しており、かつ、電解液を含浸させた際の重量増加率が２％以上である。【選択図】なし
Bibliography:Application Number: JP20170130620