SEPARATOR FOR LEAD-ACID BATTERY

[Problem] To provide a separator for a lead acid battery capable of suppressing electrolyte stratification and improving the battery reliability (prolongation of life during idling stop operation and stability of capacity detection) of a lead acid battery.[Solution] A separator for a lead acid batte...

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Hauptverfasser: SHIDOMI, Takashi, ONISHI, Masaki, KAGEYAMA, Hiroki
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:[Problem] To provide a separator for a lead acid battery capable of suppressing electrolyte stratification and improving the battery reliability (prolongation of life during idling stop operation and stability of capacity detection) of a lead acid battery.[Solution] A separator for a lead acid battery, characterized in that the separator comprises a porous backweb and a plurality of ribs extending from each of both surfaces of the backweb, the rib on a surface on a side that comes into contact with a positive electrode plate is a broken rib, has a shape with two or more bending points, and is a linear broken rib that bends in opposite directions at each of two consecutive bending points or is a curved broken rib having one or more inflection points.