Spherical section electrochemical cell stack

Details Spherical section electrochemical cell stack Spherical section electrochemical cell stack

1996-12-17

1998-11-17

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204242, 204256, 204258, 204266, 204267, 204275, 204277, 204278, 204270, C25B 900, C25B 1508

Patent

active

058371109

ABSTRACT:
A spherical section electrochemical cell stack is disclosed for generating a product gas such as oxygen from a supply fluid such as water. In a preferred embodiment, the invention includes a spherical section top end plate; a spherical section bottom end plate; one or more spherical section electrochemical cells secured between the top and bottom end plates so that curvature dimensions of the top and bottom end plates and cell are in parallel alignment to thereby minimize any distances between the end plates and cell; and a spherical section pressure header secured to the bottom end plate so that curvature dimensions of the bottom end plate and pressure header are in opposed alignment to thereby define an integral high pressure chamber between the bottom end plate and pressure header. The integral high pressure chamber may be filled with a drying and/or filtering agent so that the product gas may pass through the chamber before leaving the cell. By combining the spherical section bottom end plate with the spherical section pressure header to define the high pressure chamber, a savings of more than half the weight and volume of prior art high pressure filtering-drying chambers is achieved. The spherical section electrochemical cell stack also includes by-pass pressure channels for safety, and integral valve cavity components.

REFERENCES:
patent: 1799116 (1931-03-01), Noeggerath
patent: 4698143 (1987-10-01), Morris et al.
patent: 4728585 (1988-03-01), Briggs
patent: 5292405 (1994-03-01), Wicks
patent: 5399250 (1995-03-01), Moon et al.

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