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Title: Alkaline earth filled nickel skutterudite antimonide thermoelectrics

Patent ·
OSTI ID:1087862

A thermoelectric material including a body centered cubic filled skutterudite having the formula A.sub.xFe.sub.yNi.sub.zSb.sub.12, where A is an alkaline earth element, x is no more than approximately 1.0, and the sum of y and z is approximately equal to 4.0. The alkaline earth element includes guest atoms selected from the group consisting of Be, Mb, Ca, Sr, Ba, Ra and combinations thereof. The filled skutterudite is shown to have properties suitable for a wide variety of thermoelectric applications.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
8,487,178
Application Number:
13/006,499
OSTI ID:
1087862
Country of Publication:
United States
Language:
English

References (11)

Nearly Ferromagnetic Metals AFe 4 Sb 12 (A = Ca, Sr, and Ba) journal May 2005
Storage node, phase change memory device and methods of operating and fabricating the same patent January 2009
High efficiency thermoelectric power generation using Zintl-type materials patent June 2010
Advanced thermoelectric materials with enhanced crystal lattice structure and methods of preparation patent May 1998
Properties of alkaline-earth-filled skutterudite antimonides: A ( Fe , Ni ) 4 Sb 12 ( A = Ca , Sr, and Ba) journal August 2010
Thermodynamically metastable skutterudite crystalline-structured compounds patent November 1999
Filled skutterudites for advanced thermoelectric applications patent January 2010
Thermoelectric devices based on materials with filled skutterudite structures patent December 2003
Making Thermoelectric Materials by Mechanosynthesis patent-application August 2009
Thermoelectric Material and Device Incorporating Same patent-application August 2009
High performance thermoelectric materials and their method of preparation patent May 2010

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