Electro-Thermo-Magnetic Effect-Induced Large Thermoelectric Performance of Calcium Cobaltite Nanocomposites
Zongmo Shi,
Zhen Han,
Wei Huang
et al.
Abstract:As attractive thermoelectric oxides, Ca3Co4O9-based materials have been intensively studied
for their
applications in recent years. However, their thermoelectric performance
is enormously limited due to the contradiction of electrical resistivity
and thermal conductivity. Herein, BaFe12O19 nanospheres
were introduced into the Ca3Co4O9 matrix. The metallic Ag, ferrites, and matrix phase survived together,
and a high density of nanoscale BaFe12O19 precipitation
was observed. The reduction of work function could … Show more
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