Lightweight fibrous nickel electrodes for nickel-hydrogen batteries

Conference · Sun Jan 01 04:00:00 EST 1989

OSTI ID:5683402

Britton, D L

The NASA Lewis Research Center is currently developing nickel electrodes for nickel-hydrogen batteries. These electrodes are lighter in weight and have higher energy densities than the heavier state-of-the-art sintered nickel electrodes. Lightweight fibrous materials or plaques are used as conductive supports for the nickel hydroxide active material. These materials are commercial products that are fabricated into nickel electrodes by electrochemically impregnating them with active material. Evaluation is performed in half cells structured in the bipolar configuration. Initial performance tests include capacity measurements at five discharge levels, C/2, 1.0C, 1.37C, 2.0C, and 2.74C. The electrodes that pass the initial tests are life cycle-tested in a low Earth orbit regime at 80 percent depth of discharge.

• Research Organization: National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
• OSTI ID: 5683402
• Report Number(s): N-89-22710; NASA-TM-101997; E-4701; NAS-1.15:101997; CONF-890160-
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
CHEMISTRY
CONTAINERS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTROCHEMISTRY
ELECTRODES
FABRICATION
FIBERS
HYDROGEN COMPOUNDS
HYDROXIDES
METAL-GAS BATTERIES
NICKEL COMPOUNDS
NICKEL HYDROXIDES
NICKEL-HYDROGEN BATTERIES
OXYGEN COMPOUNDS
PERFORMANCE
PRESSURE VESSELS
SERVICE LIFE
TRANSITION ELEMENT COMPOUNDS