Method for making lead-acid grids and cells and batteries using such grids
AssigneeGNB Technologies, Inc.
InventorsSteven R. Larsen, Andrew Foote
Life of this patent
Estimating the term…
Abstract
The use of a continuous process for making a directly cast strip to provide a thickness satisfactory for industrial cells and batteries for stationary and motive power applications is disclosed, the thickness of the strip being at least 0.060 inch, and the process providing a visually crack-free surface in the transverse direction of the directly cast strip, the strip being lead or a lead-based alloy, such as, for example, calcium-tin-silver.
Claims14
A lead-acid cell comprising a container, at least one positive plate and a negative plate disposed within said container, a separator disposed within said container and separating said plates, and an electrolyte disposed in said container, said plates comprising a grid supporting structure having a layer of active material pasted thereto, said grid supporting structure having a thickness of at least about 0.060 inch, said grid supporting structure being a directly cast/expanded metal grid having a machine direction and a transverse direction, said grid supporting structure being crack-free.
A directly cast lead strip for a grid for a lead-acid battery, said strip having a thickness of from about 0.06 inch to about 0.120 inch and having a directly cast strip machine and transverse direction, said strip being crack-free.
Dependencies are inferred from the claim text.