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Electrocaloric device and thermal transfer systems employing the same

  • US 6,877,325 B1
  • Filed: 06/03/2003
  • Issued: 04/12/2005
  • Est. Priority Date: 06/27/2002
  • Status: Expired due to Fees
First Claim
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1. A device comprising:

  • an electrocaloric device; and

    a power supply configured to apply a voltage to said electrocaloric device, wherein said electrocaloric device comprises the following electrocaloric material
    x(PbMg0.33Nb0.67O3)+y(PbSc0.5Nb0.5O3) where x and y represent respective mol percentages of respective portions of said electrocaloric material, and said electrocaloric material increases in temperature upon application of an applied voltage thereto and decrease in temperature upon removal of said applied voltage.

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