Battery (All): Terminology: Grid
WARNING: This page is about a different car, the 2010 Volvo V70, 2009 Volvo V70, and 2008 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
A lead alloy frame construction on each plate in the battery. The grid functions as a carrier of the active materials, lead oxide and porous lead, which contribute to the electro-chemical processes during charging and discharging. The grid also conducts the current in the cell.