Les différentes technologies de batteries au plomb

This document presents an overview of the main lead–acid battery technologies, organized by applications and construction types. It first distinguishes three principal application domains: starting batteries, deep‑cycle batteries, and stationary batteries, explaining how required performance (high starting current, deep cycling, or long standby life) drives plate design and grid robustness. It then describes conventional low‑maintenance lead–antimony batteries, including their reduced antimony content, lower water consumption, and storage characteristics. Calcium lead–acid batteries are outlined with a focus on their very low self‑discharge, low water consumption, high charge acceptance, and sensitivity to deep discharge. Hybrid batteries combining antimony positive plates and calcium negative plates are introduced as a compromise offering better deep‑cycle performance and improved storage. The text explains gas‑recombination principles, leading to valve‑regulated lead–acid (VRLA) batteries that are sealed, maintenance‑free, and capable of operating in various positions with minimal gas emission. Finally, it distinguishes VRLA gel and AGM designs, noting that both immobilize the electrolyte but have different charge parameters and separator structures.