Ni-H.sub.2 battery having improved thermal properties

Details Ni-H.sub.2 battery having improved thermal properties Ni-H.sub.2 battery having improved thermal properties

1991-06-07

1996-04-02

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

429120, H01M 1050, H01M 1206

Patent

active

055039472

ABSTRACT:
A common pressure vessel type Ni-H.sub.2 battery having a thermally conductive rack disposed within the pressure vessel and having an outer wall conforming to and in thermal contact with the inner surface of a cylindrical center wall portion of the pressure vessel and a plurality of fins dividing the rack into a plurality of compartments. A Ni-H.sub.2 battery cell is disposed in each of the compartments in thermal contact with adjacent ones of the fins. A plurality of flexure springs extend between racks, providing a radial force on the racks so as to urge the outer walls of the racks into contact with respective portions of the wall of the pressure vessel. A stopper is formed internally of the pressure vessel and a wave spring is disposed between a weld ring provided at the end of the rack opposite the stopper for forcing the racks in the longitudinal direction of the pressure vessel into contact with the stopper.

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M. Earl et al., "Design and Development of an Aerospace CPV Ni/H.sub.2 Battery", 24th Intersociety Energy Conversion Engineering Conference, Washington, DC, Aug. 1989, Proc., vol. 3, pp. 1395-1400.
J. Dunlop et al., "Making Space Nickel/Hydrogen Batteries Light and Less Expensive", AIAA/DARPA Meeting on Lightweight Satellite Systems, Monterey, California, Aug. 1987, NTIS No. N88-13530.
G. Holleck, "Common Pressure Vessel Nickel-Hydrogen Battery Design", 15th Intersociety Energy Conversion Engineering Conference, Seattle, Washington, Aug. 1980, Proc., vol. 3, pp. 1908-1911.
E. Adler et al., "Design Considerations Related to Nickel Hydrogen Common Pressure Vessel Battery Modules", 21st Intersociety Energy Conversion Engineering Conference, San Diego, California, Aug. 1986, Proc., vol. 3, pp. 1554-1559.

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