| 摘要 |
<p>The invention concerns a battery separator comprising at least one first fibrous layer, at least one second fibrous layer, and at least one microporous polymer layer which is sandwiched between at least two fibrous layers, wherein said microporous polymer layer has an average pore size of less than 1 νm and wherein said at least one first fibrous layer has a thickness of at least 0.6 mm.</p> |
