An electrospun coated component for a lead acid battery is disclosed. The electrospun coated component includes positive electrode, negative electrode, and separator. The separator may comprise a low-conducting and/or non-conductive material. A method of electrospun coating these components of a LAB is provided. Suitable compositions and conditions for electrospun coating on to LAB components are further provided in this disclosure.

An electrospun coated component for a lead acid battery is disclosed. The electrospun coated component includes positive electrode, negative electrode, and separator. The separator may comprise a low-conducting and/or non-conductive material. A method of electrospun coating these components of a LAB is provided. Suitable compositions and conditions for electrospun coating on to LAB components are further provided in this disclosure.

A liquid-type lead storage battery includes a positive electrode collector formed of a lead alloy having a rolled structure. A grid substrate of the collector has an upper frame bone located on the upper side and a lower frame bone located on the lower side, each extending laterally, and a pair of vertical frame bones extending vertically. A lug projects upward from a position shifted to the side close to either one of the pair of vertical frame bones from the longitudinal center of the upper frame bone. The intermediate bones have vertical intermediate bones from the upper to lower frame bone and lateral intermediate bones connecting the pair of vertical frame bones. At least one of the lateral intermediate bones has a cross-sectional area B larger than an average value A of the cross-sectional areas of the plurality of lateral intermediate bones, such that B/A is 1.15 or more.

A lead-acid battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution, in which the positive electrode plate includes a positive current collector and a positive electrode material, the negative electrode plate includes a negative current collector and a negative electrode material, the positive current collector contains Sn in an amount of 0.95% by mass or more, the negative electrode material contains a polymer compound, and the polymer compound has a peak in a range of 3.2 ppm or more and 3.8 ppm or less in a chemical shift of .sup.1H-NMR spectrum, or the polymer compound contains a repeating structure of oxy C.sub.2-4 alkylene units.

A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material. A method for assembling a battery is also disclosed.

A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material. A method for assembling a battery is also disclosed.

An apparatus and process for melting and using scrap pieces of lead or lead alloy from making a web of connected grids for a lead acid battery by forming holes through a solid strip of lead or lead alloy. The scrap pieces may be compacted into briquettes which are submerged in a pool of liquid lead or lead alloy below the top surface of the pool and melt in the pool. Liquid lead from the pool may be cast into solid strips from which webs of grids are made.

An apparatus and process for melting and using scrap pieces of lead or lead alloy from making a web of connected grids for a lead acid battery by forming holes through a solid strip of lead or lead alloy. The scrap pieces may be compacted into briquettes which are submerged in a pool of liquid lead or lead alloy below the top surface of the pool and melt in the pool. Liquid lead from the pool may be cast into solid strips from which webs of grids are made.

An accumulator having a plurality of electrode plates which are adjacently arranged and form at least one electrode plate stack in the form of a block, wherein each electrode plate comprises a frame having a grid arranged therein and wherein at least the grid is filled with an active mass, and wherein each electrode plate comprises at least one connecting lug protruding beyond the frame, wherein the connecting lugs of same-polarity electrode plates are arranged adjacent to one another in a row, wherein the connecting lugs adjacently arranged in a row are materially bonded together electrically and mechanically into a connecting lug block by at least one weld or solder point arranged between the connecting lugs. Further described is a method for manufacturing an accumulator.

An accumulator having a plurality of electrode plates which are adjacently arranged and form at least one electrode plate stack in the form of a block, wherein each electrode plate comprises a frame having a grid arranged therein and wherein at least the grid is filled with an active mass, and wherein each electrode plate comprises at least one connecting lug protruding beyond the frame, wherein the connecting lugs of same-polarity electrode plates are arranged adjacent to one another in a row, wherein the connecting lugs adjacently arranged in a row are materially bonded together electrically and mechanically into a connecting lug block by at least one weld or solder point arranged between the connecting lugs. Further described is a method for manufacturing an accumulator.