Patent ID: 6063257
Filing Date: 2000-05-16
Classification: C25B

Abstract:
A bipolar ion exchange membrane electrolytic cell comprising:an anode compartment frame which comprises an anode plate and an anode back plate arranged in substantially parallel with each other with a spacing, and a conductive anode supporting member arranged between the anode plate and the anode back plate; anda cathode compartment frame which comprises a cathode plate and a cathode back plate arranged in substantially parallel with each other with a spacing, and a conductive cathode supporting member arranged between the cathode plate and the cathode back plate, whereinthe anode back plate and the cathode back plate are connected back to back to form a partition wall for a bipolar electrolytic cell,the spacing between the anode plate and the anode back plate is wider than the spacing between the cathode plate and the cathode back plate,at least one of said anode compartment frame and said cathode compartment frame has a plurality of said anode supporting member and said cathode supporting member respectively,when said anode compartment frame has a plurality of said anode supporting member, between adjacent anode supporting members, an anode partition sheet is inserted in substantially parallel with the anode plate to form two first spaces which extend in a vertical direction respectively between the anode partition sheet and the anode plate, and between the anode partition sheet and the anode back plate, so that the two first spaces are connected to each other at their upper and lower portions to form an internal circulation path for an electrolyte, andwhen said cathode compartment frame has a plurality of said cathode supporting member, between adjacent cathode supporting members, a cathode partition sheet is inserted in substantially parallel with the cathode plate to form two second spaces which extend in a vertical direction respectively between the cathode partition sheet and the cathode plate and between the cathode partition sheet and the cathode back plate, so that the two second spaces are connected to each other at their upper and lower portions to form an internal circulation path for an electrolyte.