Storage material for hydrogen utilizing amorphous silicon and a

Details Storage material for hydrogen utilizing amorphous silicon and a Storage material for hydrogen utilizing amorphous silicon and a

1982-03-08

1983-11-01

Gluck, Irwin

Compositions

Reductive bleachant, deoxidant, reductant, or generative

2521815, 252184, 25218825, 423248, 423347, 25218831, C01B 3304, B01J 2010

Patent

active

044129351

ABSTRACT:
A storage material for hydrogen comprised of amorphous silicon containing phosphorous, in addition to hydrogen (a-Si:H:P). In certain embodiments, such storage material is produced via a glow discharge plasma from a reactive gas mixture in accordance with a fluidized bed method or by quenching a phosphorous-doped silicon melt at a relatively high cooling rate. By admixing phosphorous with silicon, the absorption capacity of the resultant phosphorous-doped silicon material for hydrogen can be increased by a factor of 2 with the same production temperatures (200.degree. C.). The storage material is useful in energy storage tanks (cheap and easily mass-produced).

REFERENCES:
patent: 3666412 (1972-05-01), Sowards
patent: 4265720 (1981-05-01), Winstel
D. E. Carlson et al., "The Effect of Hydrogen Content on the Photovoltaic Properties of Amorphous Silicon", J. Electrochem. Soc.: Solid-State Science and Technology, vol. 126, pp. 688-691, (1979).
Pankovs Lampert and Tarng, Applied Physics Letters, vol. 32, No. 7, Apr. 1, 1978, pp. 439-441.
Pankovs, Applied Physics Letters, vol. 32, No. 12, Jun. 15, 1978, pp. 812-813.
Pankovs and Carlson, Applied Physics Letters, vol. 31, No. 7, Oct. 1, 1977, pp. 450-451.

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