SPE water electrolysis technology development for large scale hydrogen production. Progress report No. 6, January 1, 1977--March 31, 1977

The status of the following studies is reported: low cost current collector development, high temperature operation, catalytic electrode development, low cost polymer development, evaluation of the effect of hydrogen enrichment on older gas pipelines, cell and SPE optimization, cell assembly design, stack assembly design, manufacturing process development, and system analysis and definition