Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to light
Patent
1983-03-28
1985-06-25
Weisstuch, Aaron
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to light
204263, 204275, H01M 636
Patent
active
045254370
ABSTRACT:
A semiconductor photoelectric conversion structure having a PIN junction is assembled as a unitary structure with a redox reaction chamber, with the P (or N) type semiconductor layer of the former being heavily doped and held in contact with an electrolytic solution contained in a second cell with an electrolytic solution contained in a second cell of the redox reaction chamber. By interconnecting a second electrode connected to the N (or P) type semiconductor structure and a first electrode in contact with an electrolytic solution contained in a first cell of the redox reaction chamber, the electrolytic solutions in the first and second cells store chemical energy converted from electrical energy obtained from light energy by means of the semiconductor photoelectric conversion structure. Furthermore, electric power may be obtained across the first electrode and a third electrode connected with the P (or N) type semiconductor layer of the semiconductor photoelectric conversion structure.
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M. S. Wrighton, "Photochemistry", Chem. & Eng. News, Sep. 3, 1979, p. 37.
Semiconductor Energy Laboratory Co,. Ltd.
Weisstuch Aaron
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