Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1984-09-24
1986-05-20
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
136258, 136259, 357 30, 357 65, 357 68, 29572, 427 74, 427 88, H01L 3106, H01L 3118
Patent
active
045903271
ABSTRACT:
Disclosed is an improved photovoltaic device design and method. The design is especially useful for large area photovoltaic devices and includes a first electrode, a semiconductor body over the first electrode, a transparent electrically conductive layer over the semiconductor body and a bus grid structure in electrical contact with the conductor layer for collecting and carrying current generated by the photovoltaic device. Structure is provided for reducing the degrading effect of a low resistance current path or short in the semiconductor body.
The structure for reducing the degrading effect of a low resistance current path can be a specifically designed transparent electrically conductive layer, electrical isolation of the current carrying portions of the bus grid structure from the conductive layer, resistive connections of the current collecting fingers to the remainder of the bus grid structure, a buffered bus grid structure or a fuse-type connection or the grid or current collecting fingers which terminates when the current reaches a predetermined amount.
Methods of fabricating photovoltaic devices as disclosed herein are provided.
REFERENCES:
patent: 3902920 (1975-09-01), Jordan et al.
patent: 3943003 (1976-03-01), Dendall
patent: 4252573 (1981-02-01), Boer et al.
patent: 4301322 (1981-11-01), Amick
patent: 4385971 (1983-05-01), Swartz
patent: 4443652 (1984-04-01), Izu et al.
patent: 4451970 (1984-06-01), Izu et al.
N. S. Murty et al., Thin Solid Films, vol. 108, pp. 277-283 (1983).
Barnard Timothy J.
Crea Dominic
Nath Prem
Citkowski Ronald W.
Energy Conversion Devices Inc.
Siskind Marvin S.
Weisstuch Aaron
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