Abstract

This article covers the construction, design, materials, operation, and failure modes of Plante- and Faure-type positive plates in the lead-acid battery. Tubular plates are covered elsewhere in this volume. A detailed explanation for topics on positive plate construction (covering the operating principles such as charge and discharge reactions and half-cell potentials, chemical reactions that limit shelf-life, and overcharge reactions), positive plate failure modes (describing positive grid corrosion, which includes grid growth and shorting, shedding of the positive active material and shorting of the plates, loss of positive plate surface area, porosity or chemical conductivity, and contamination of the lead grid, acid, or active material), and additives used in positive plates and grid is provided.

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