Analysis of porous alkaline Cd-electrodes. I. Anodic high rate transients

摘要: Galvanostatic anodic high-rate transients in porous Cd-electrodes are analysed. A one-dimensional electrode model is developed. The includes effects of variation electrolyte composition and reaction surface activity. Overpotential computed compared with experimental transients. Failure low porosity electrodes great activity general caused by the blockage pores at rates. At high rates discharge depth limited pure mass-transfer limitations. groupi 0 S estimated from conjunction model. Transition pore to limitations occurs between 100 200 mA cm−2 for a medium 0·60.