Density stabilized phase change material

Details Density stabilized phase change material Density stabilized phase change material

1999-04-12

2000-07-04

Green, Anthony

Compositions

Frost-preventing, ice-thawing, thermostatic, thermophoric,...

252 71, 126910, 165 10, 165902, C09K 506, C09K 500, C09K 502

Patent

active

060834188

ABSTRACT:
A phase change material for use in a heat battery is provided which includes a salt of hydrated Group IIA metal nitrate and Group IA metal nitrate and an effective amount of an aqueous material sufficient to cause the densities of the liquid and solid phases of said phase change material to be approximately equal during phase transformation. A method of making the phase change material and a heat battery which contains the phase change material are also provided.

REFERENCES:
patent: 4421661 (1983-12-01), Claar et al.
patent: 4503838 (1985-03-01), Arrhenius et al.
patent: 4645612 (1987-02-01), d'Huysse et al.
patent: 5085790 (1992-02-01), Hormansdorfer
patent: 5755987 (1998-05-01), Goldstein et al.
patent: 5785884 (1998-07-01), Hammond
Heat Storage Battery for Car Applications, W. Zobel and R. Strahle, IMechE 1995, (no month).
German Patent Abstract No. DE004141306A1, abstract of German Patent Specification No. 4141306 (Jun. 1993).
German Patent Abstract No. DE003929900A1, abstract of German Patent Specification No. 3929900 (Mar. 1991).

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