The influence of mass transport processes on the performance of the lead—acid cell

摘要: Abstract A model of the lead—acid cell is developed in which due regard given to influence mass transport processes operating bulk electrolyte as well within plates. It predicted that, at high rates, capacity a discharged constant current will be limited by diffusion so that density, I , should related discharge time, τ, ∝ [τ] −0.5 . At low rates acid depletion and −1.0 The has been tested against published data for commercially available lead/acid batteries there good agreement between measured /τ relationships both rate regimes. expressions derived plates two regimes also show how observed positive plate limit on derives from constraints arising out electrode reactions.