An electrode for a lead acid battery is provided. The electrode includes a pasting material distributed on the electrode and arranged to provide uniform current density. A lead acid battery having a plurality of electrodes, each electrode having pasting material providing uniform current density across the electrodes is also provided. A method for manufacturing a battery electrode is also provided and includes applying a portion of the electrode with a pasting material providing uniform current density.

An electrode for a lead acid battery is provided. The electrode includes a pasting material distributed on the electrode and arranged to provide uniform current density. A lead acid battery having a plurality of electrodes, each electrode having pasting material providing uniform current density across the electrodes is also provided. A method for manufacturing a battery electrode is also provided and includes applying a portion of the electrode with a pasting material providing uniform current density.

Battery grid (1) comprising a grid structure (4) containing grid arms (2, 2) and bordering arms (3), a supporting element (5) and lugs (6), as well as lead paste (7) spread on the surface of the supporting element (5).The invention also relates to a battery cell (35) comprising the battery grids (1) with separator plates (38) placed between them. The invention further relates to a storage battery (42) comprising battery cells (35) filled with acid. The supporting element (5) comprises fiberglass based material onto which the grid structure (4) is secured through chemical bond formed between the lead and the fiberglass. The lead paste (7) is secured to the supporting element (5) through chemical bond and the grid structure (4) has more than one lug (6). The battery cell (35) is composed of the battery grids (1). The lugs (41, 42) are connected to a jointing element (8). The storage battery (42) comprises the battery cells (35).

Battery grid (1) comprising a grid structure (4) containing grid arms (2, 2) and bordering arms (3), a supporting element (5) and lugs (6), as well as lead paste (7) spread on the surface of the supporting element (5).The invention also relates to a battery cell (35) comprising the battery grids (1) with separator plates (38) placed between them. The invention further relates to a storage battery (42) comprising battery cells (35) filled with acid. The supporting element (5) comprises fiberglass based material onto which the grid structure (4) is secured through chemical bond formed between the lead and the fiberglass. The lead paste (7) is secured to the supporting element (5) through chemical bond and the grid structure (4) has more than one lug (6). The battery cell (35) is composed of the battery grids (1). The lugs (41, 42) are connected to a jointing element (8). The storage battery (42) comprises the battery cells (35).

A process and apparatus for continuously mixing and applying paste to battery grids for use in lead-acid battery systems, in which particulate lead oxide, water and sulphuric acid are reacted in an elongated mixer having a mixing to conveying ratio of about 65:35 to 80:20 with controlled reaction temperature for an exit product temperature in the range of above 60 C. to about 80 C. Additives including reinforcing fibers can be added in an amount up to 0.6 wt % of the lead oxide and carbon and graphite powder can be added in an amount up to 6 wt % of the lead oxide.

A process and apparatus for continuously mixing and applying paste to battery grids for use in lead-acid battery systems, in which particulate lead oxide, water and sulphuric acid are reacted in an elongated mixer having a mixing to conveying ratio of about 65:35 to 80:20 with controlled reaction temperature for an exit product temperature in the range of above 60 C. to about 80 C. Additives including reinforcing fibers can be added in an amount up to 0.6 wt % of the lead oxide and carbon and graphite powder can be added in an amount up to 6 wt % of the lead oxide.

The present invention relates to a multifunctional web for use in a lead-acid battery comprising natural fibers and heat-sealable fibers, the use of the multifunctional web in a lead-acid battery, a lead plate comprising a metal grid coated with a lead paste contacting the multifunctional web, a method of preparing the lead plate and a lead-acid battery assembly comprising the lead plate.

The present invention relates to a multifunctional web for use in a lead-acid battery comprising natural fibers and heat-sealable fibers, the use of the multifunctional web in a lead-acid battery, a lead plate comprising a metal grid coated with a lead paste contacting the multifunctional web, a method of preparing the lead plate and a lead-acid battery assembly comprising the lead plate.

A method for impregnating an active paste into a fibre material in the manufacture of an electrode of a lead acid battery or cell, comprises moving a fibre material through a confined pasting zone also containing a Pb-based paste, while vibrating and maintaining a pressure on the paste, to continuously impregnate the paste into the fibre material. A paste impregnating machine is also disclosed, with a fibre material feed system, and which may use a lug along the fibre material to draw the fibre material through the paste application stage.

A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.