PACKING MATERIAL FOR POWER STORAGE DEVICE, PACKING CASE FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE

To provide a packing material for a power storage device that has high molding processability.SOLUTION: A packing material 1 is made of a laminated material that includes a metallic foil layer 3, a substrate layer 2 provided on the outer surface side of the metallic foil layer 3, and a heat-bondable...

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1. Verfasser: KODA NAOYA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a packing material for a power storage device that has high molding processability.SOLUTION: A packing material 1 is made of a laminated material that includes a metallic foil layer 3, a substrate layer 2 provided on the outer surface side of the metallic foil layer 3, and a heat-bondable resin layer 4 provided on the inner surface side of the metallic foil layer 3 in a laminate configuration. The heat-bondable resin layer 4 is arranged on the inner surface 1a of the packing material 1 and is made of a polyolefin film. The Martens hardness HMs of the heat-bondable resin layer 4 measured with a Berkovich indenter is in a range of 15 N/mm2 to 25 N/mm2.SELECTED DRAWING: Figure 1 【課題】高い成形加工性を有する蓄電デバイス用包装材を提供する。【解決手段】包装材1は、金属箔層3と、金属箔層3の外面側に設けられた基材層2と、金属箔層3の内面側に設けられた熱融着性樹脂層4とを積層状に備えた積層材からなる。熱融着性樹脂層4は包装材1の内面1aに配置されており、ポリオレフィン系フィルムからなる。バーコビッチ圧子を用いて測定された熱融着性樹脂層4のマルテンス硬さHMsが15N/mm2~25N/mm2の範囲である。【選択図】図1