| abstract |
A hybrid energy storage device, characterized by: at least one cell (10) comprising at least one positive electrode (17), at least one negative electrode (15), a separator (26) placed at least between said at least one positive electrode (17) and said at least one negative electrode (15), and one electrolyte; said at least one positive electrode (17) comprises an active material (24) comprising lead (Pb) and a tongue (28) extending from one side of the at least one positive electrode (17); at least the negative electrode (15) comprises an activated carbon material, a tongue (30) extending from one side of the at least one negative electrode (15), and a lead connection terminal (32) that encapsulates said tab (30); a first strip (34) of molten lead with the piece is located on the tongue (28) extending from said at least one positive electrode (17); A second strip (38) of molten lead with the piece is located on the lead connection terminal (32) of the at least one negative electrode (15). |