Design and fabrication of silver--hydrogen cells. [20 Ah]
The design and fabrication of silver--hydrogen secondary cells capable of delivering higher energy densities than comparable nickel--cadmium and nickel--hydrogen cells and relatively high cycle life is presented. An experimental task utilizing single electrode pairs for the optimization of the individual electrode components, the preparation of a design for light-weight 20-Ah cells, and the fabrication of four 20-Ah cells in heavy wall test housing containing electrode stacks of the lightweight design are described. The design approach is based on the use of a single cylindrical self-contained cell with a stacked disc sequence of electrodes. The electrode stack design is based on the use of NASA- Astropower Separator Material, PPF fuel cell anodes, an intercell electrolyte reservoir concept, and sintered silver electrodes. Results of performance tests are given. (auth)
- Research Organization:
- Energy Research Corp., Bethel, Conn. (USA)
- OSTI ID:
- 7138221
- Report Number(s):
- N-75-33496; NASA-CR-134878
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
250901* -- Energy Storage-- Batteries-- Design & Development
CRYOGENIC FLUIDS
DESIGN
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
ENERGY STORAGE SYSTEMS
FABRICATION
FLUIDS
HYDROGEN
METAL-GAS BATTERIES
METALS
NONMETALS
PERFORMANCE TESTING
SILVER
TESTING
TRANSITION ELEMENTS