Photogalvanic cell

Details Photogalvanic cell Photogalvanic cell

1981-06-17

1983-07-05

Weisstuch, Aaron

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

H01M 636

Patent

active

043918816

ABSTRACT:
The photogalvanic cell is particularly intended for converting solar energy into electrical energy.
The photogalvanic cell comprises two electrodes in a liquid system comprising a photosensitive constituent, which is formed by the uranyl ion UO.sub.2.sup.2+. The liquid system comprises a second constituent which is a cation and more particularly Ce.sup.3+. The second constituent can also be an anion and in particular NO.sub.3.sup.- or SCN.sup.-. One of the electrodes is of polished platinum and the other of a chemically inert conductive substance, particularly graphite.
The photogalvanic cell can also be coupled to a photovoltaic cell.

REFERENCES:
patent: 3255044 (1966-06-01), Powers et al.
patent: 3255046 (1966-06-01), Ghormley
W. J. Albery et al., "Photogalvanic Cells-I. The Potential of Zero Current", Electrochimica Acta, vol. 21, pp. 1155-1163, (1976), Chem. Revs., vol. 31, (1942), pp. 187, 220.

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