BIPOLAR LEAD-ACID STORAGE BATTERY Russian patent published in 2021 - IPC H01M10/14 H01M10/18 H01M2/02 H01M2/12 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electrical equipment, namely to bipolar lead-acid storage battery and, in particular, to bipolar lead-acid battery with air-distributing chamber, having internal pressure inside. Bipolar lead-acid storage battery comprises housing (1) with battery inside cavity (11a) and plurality of single elements (2) provided in battery cavity (11a), wherein each of said single elements (2) has inner cavity (21) for electrolyte introduction, inner cavity (21) of each single element (2) is independent from each other, housing (1) has a plurality of air distribution chambers (12a) communicating with inner cavity (21) of each of said single elements (2) in a one-to-one correspondence and located above battery cavity (11a), wherein housing (1) additionally has common pressure chamber (14a), and air distribution chambers (12a) communicate with common pressure chamber (14a) through ventilation channels (13a), respectively.

EFFECT: longer service life of bipolar lead-acid storage battery is technical result of invention.

11 cl, 20 dwg