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An amorphous silicon-based one-unit photovoltaic electrolyzer

Author

Listed:
  • Appleby, A.J.
  • Delahoy, A.E.
  • Gau, S.C.
  • Murphy, O.J.
  • Kapur, M.
  • Bockris, J.O'M.

Abstract

A one-unit photovoltaic electrolyzer, fabricated from double-stacked amorphous silicon cells (pin-pin), is described. A solar energy conversion efficiency to hydrogen of 2.6% has been achieved, which, with recent technological developments, can be raised to 6%. A one-unit array (with storage) capable of supplying solar hydrogen to power tractors on the average farm would give rise to a cost of ca. 6.2¢/kWh, using the expected 1990 value of $1 per peak W for amorphous silicon photovoltaics. The cost of the hydrogen derived from the system is ca. two to three times that of conventional gasoline per gallon equivalent.

Suggested Citation

  • Appleby, A.J. & Delahoy, A.E. & Gau, S.C. & Murphy, O.J. & Kapur, M. & Bockris, J.O'M., 1985. "An amorphous silicon-based one-unit photovoltaic electrolyzer," Energy, Elsevier, vol. 10(7), pages 871-876.
    • Handle: RePEc:eee:energy:v:10:y:1985:i:7:p:871-876
    DOI: 10.1016/0360-5442(85)90120-3
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