ELASTIC MEMBER FOR BATTERY PACK AND MANUFACTURING METHOD THEREOF

An elastic member for battery pack is arranged in a battery pack in which multiple battery cells are arranged side by side in a predetermined direction and is in elastic contact with the battery cells. The elastic member for battery pack (4) is made of a foam that satisfies the following (a) to (d):...

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Bibliographische Detailangaben
Hauptverfasser:	KUMAGAI, Shinji, Nimura, Yasunori, Fukagawa, Shigeru, Morihara, Koji, Oyama, Yukio
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	An elastic member for battery pack is arranged in a battery pack in which multiple battery cells are arranged side by side in a predetermined direction and is in elastic contact with the battery cells. The elastic member for battery pack (4) is made of a foam that satisfies the following (a) to (d): (a) an Asker C hardness is 20 or more and 40 or less; (b) a foaming ratio is 3.0 times or more and 5.0 times or less; (c) a closed cell ratio is 50% or more and 95% or less; (d) with a direction of elastic contact with a battery cell as a thickness direction, a structure of a bubble in a cross-section in the thickness direction has an elliptical bubble having an elongated elliptical shape in the thickness direction.