HYBRID NEGATIVE PLATE FOR LEAD-ACID ACCUMULATOR BATTERY AND LEAD-ACID ACCUMULATOR BATTERY Russian patent published in 2016 - IPC H01M4/14 H01G9/52 H01G11/34 

FIELD: electricity.

SUBSTANCE: in a hybrid negative plate for a lead-acid accumulator battery, comprising a plate filled with active material of a negative electrode, having a coating layer from carbon mixture formed on its surface, where the mixture contains carbon material to ensure conductivity, activated carbon to ensure capacity of the capacitor and/or capacity of the pseudocapacitor and a binder, activated carbon is activated carbon modified by acid functional group in the amount from 0.16 to 0.489 mcM/m² per 1 g of activated carbon.

EFFECT: increased cyclicity of accumulator battery resource.

11 cl, 4 dwg, 9 tbl, 5 ex