FIELD: chemistry.
SUBSTANCE: lead accumulator containing unit of negative electrodes and unit of positive electrodes separated by separators, which on sides facing positive electrodes have vertical ribs, and which are put into reservoir (monoblock unit) filled with electrolyte, has additionally installed between vertical ribs separators in form of volumetric three-layer frame from randomly interlaced lavsan fibres of diameter 0.2 mm and cell size between them not less than 2 mm.
EFFECT: prevention of melting and slumping of active mass of positive electrodes and increase of their service time.
3 dwg
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SU385360A1 | |
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Authors
Dates
2009-04-27—Published
2008-04-15—Filed