초록

Improved electrochemical apparatus comprising of novel membranes characterized by a unique combination of low gas permeability and low electrical resistivity.

대표청구항 ▼

In electrochemical apparatus of the type comprising a stack of ion-exchange-moderated cells, the improvement wherein said ion-exchange members are formed of at least two polymeric components, a first component forming a chemically -resistant matrix structure comprising ion exchange functionally, the

In electrochemical apparatus of the type comprising a stack of ion-exchange-moderated cells, the improvement wherein said ion-exchange members are formed of at least two polymeric components, a first component forming a chemically -resistant matrix structure comprising ion exchange functionally, the second component being a solid polymer material infused into said matrix formed by said first component in conjunction with solvent-etching of material from the matrix structure said membranes forming means compared to membranes of untreated matrix material, to substantially improve the performance of said stack by providing means to simultaneously decrease electroresistivity properties through the membranes in said stack while reducing permeability characteristics of said membranes to fluid.