Photovoltaic solar cell

Nielson, Gregory N.; Gupta, Vipin P.; Okandan, Murat; Watts, Michael R.

Title: Photovoltaic solar cell

Patent · Tue Sep 08 00:00:00 EDT 2015

OSTI ID:1214117

Nielson, Gregory N.; Gupta, Vipin P.; Okandan, Murat; Watts, Michael R.

A photovoltaic solar concentrator is disclosed with one or more transverse-junction solar cells (also termed point contact solar cells) and a lens located above each solar cell to concentrate sunlight onto the solar cell to generate electricity. Piezoelectric actuators tilt or translate each lens to track the sun using a feedback-control circuit which senses the electricity generated by one or more of the solar cells. The piezoelectric actuators can be coupled through a displacement-multiplier linkage to provide an increased range of movement of each lens. Each lens in the solar concentrator can be supported on a frame (also termed a tilt plate) having three legs, with the movement of the legs being controlled by the piezoelectric actuators.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Sandia Corporation (Albuquerque, NM)

Patent Number(s):: 9,130,092

Application Number:: 12/882,976

OSTI ID:: 1214117

Resource Relation:: Patent File Date: 2010 Sep 15

Country of Publication:: United States

Language:: English

References (27)

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