SEARCH Articles Figures Tables Current limit Density limit Diffusion current Diffusion current density Diffusion current density, limiting Diffusion density Diffusion limit Diffusion limitation Diffusion limited current density Diffusivity Diffusion limited current density Diffusivity Diffusion limited current density effective Diffusion limiting Diffusive limit Limitation current Limited current density Limited currents Limiting currents Limiting diffusion current Limiting diffusivity Oxygen reduction reaction limiting diffusion current densities