NASA NTRS · 19790013439
Multistack nickel-hydrogen units
Abstract
A typical 625 Inconel pressure vessel, equipped with four thermocouples, has voltage taps not only for the cell, but for each of the several packs inside the container. In a two-stack design, a weld ring is used to separate the packs which, joined together, form one solid group. In the four-stack design, stacks are separated mechanically with about half inch Plexiglas and are connected through the center. Electrolytes are forced out by vacuum. The two stack design is intended for 500 psi and was pressure tested up to 1,000. The problem of electrolyte shorts is discussed and possible solutions for its correction are given.
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Smith, J.. 1977-01-01. Multistack nickel-hydrogen units. https://ntrs.nasa.gov/citations/19790013439
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