Journal
APPLIED PHYSICS EXPRESS
Volume 10, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.10.095801
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Funding
- CREST [JPMJCR16Q6]
- Japan Science and Technology Agency (JST)
- New Energy and Industrial Technology Development Organization (NEDO) through the Thermal Management Materials and Technology Research Association (TherMAT)
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The ion conduction in Zn4Sb3 was investigated to determine the potential of Zn4Sb3 as a thermoelectric element. Various temperature differences and electrical currents were applied and the resulting voltages were monitored for 1 h. The thermoelectric elements were analyzed after the tests by scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM/EDX), resistance scanning, and Seebeck coefficient mapping. Zn ions migrated in the current direction and formed a ZnSb layer; the thickness was proportional to the current density and strongly dependent on the temperature. (C) 2017 The Japan Society of Applied Physics
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