SEARCH Articles Figures Tables A typical permeation cell to study the diffusion of hydrogen through a metal membrane . Although not shown, provision is usually made for deaerating the electrolyte. [Publishers Imprint] See Also: A typical permeation cell to study the diffusion of hydrogen through a metal membrane . Although not shown, provision is usually made for deaerating the electrolyte. A typical permeation cell to study the diffusion of hydrogen through a metal membrane . Although not shown, provision is usually made for deaerating the electrolyte.