High gravimetric energy density lead acid battery with titanium
Lead-acid batteries, among the oldest and most pervasive secondary battery technologies, still dominate the global battery market despite competition from high-energy alternatives .However, their actual gravimetric energy density—ranging from 30 to 40 Wh/kg—barely taps into 18.0 % ∼ 24.0 % of the theoretical gravimetric energy density of 167