K&L Gates LLP
Lead sealant film and non-aqueous electrolyte battery
A lead sealant film and a non-aqueous electrolyte battery are provided. The lead sealant film includes a laminated structure composed of an inner layer, an intermediate layer, and an outer layer. The intermediate layer includes a first acid-modified polypropylene having a high melting-point, and each of the inner layer and the outer layer includes a second acid-modified polypropylene having a low melting-point. A difference between the melting point of the first acid-modified polypropylene and the melting point of the second acid-modified polypropylene is from 20° C. to 25° C.
Sony Corporation
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H01M Y02E H01M H01M Y02P H01M H01M H01M H01M
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Hiroyuki
Yamada