摘要 |
<p>Lead electrical accumulator comprising a plurality of elements each consisting of a negative plate, a positive plate and separation means interleaved therebetween, comprising a first and a second micro-porous separators between which intercalations form channels, characterized in that the thickness of the channel (11) is comprised between 5mm and 2mm and in that the width of the channels (11) is comprised between 2mm and 10mm. Application particularly interesting to traction batteries. </p> |