发明名称 |
Packaging material for battery |
摘要 |
The present invention relates to a packaging material for forming an armor body for a battery, said armor body being adapted for use in such a manner that a battery body is inserted into the armor body and the peripheral edge of the armor body is then heat sealed for hermetic sealing, said packaging material being a laminate comprising at least a substrate layer, an adhesive layer, a barrier layer, an adhesive resin layer, and a sealant layer, characterized in that at least the sealant layer comprises a low-fluidity polypropylene layer having low susceptibility to collapse upon exposure to heat and pressure at the time of heat sealing and a high-fluidity polypropylene layer having high susceptibility to collapse upon exposure to heat and pressure at the time of heat sealing, and the innermost layer is the high-fluidity polypropylene layer. |
申请公布号 |
EP2378589(A1) |
申请公布日期 |
2011.10.19 |
申请号 |
EP20110004682 |
申请日期 |
2002.06.17 |
申请人 |
DAI NIPPON PRINTING CO., LTD. |
发明人 |
YAMASHITA, RIKIYA;MOCHIZUKI, YOICHI;YAMADA, KAZUKI;OKUSHITA, MASATAKA |
分类号 |
H01M2/34;H01M2/02;H01M2/08 |
主分类号 |
H01M2/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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