Calcium cobaltite, a promising oxide for energy harvesting: effective strategies toward enhanced thermoelectric performance

J Yu, R Freer - Journal of Physics: Energy, 2022 - iopscience.iop.org
Thermoelectric (TE) materials are able to generate power from waste heat and thereby
provide an alternative source of sustainable energy. Calcium cobaltite is a promising p-type …

Preparation of high-performance Ca3Co4O9 thermoelectric ceramics produced by a new two-step method

MA Madre, FM Costa, NM Ferreira, A Sotelo… - Journal of the European …, 2013 - Elsevier
High-performance Ca3Co4O9 thermoelectric ceramic has been prepared from a Ca1−
xCoxO/CayCo1− yO divorced eutectic structure produced by a directional melt-grown using …

Effect of Sr substitution for Ca on the Ca3Co4O9 thermoelectric properties

G Constantinescu, S Rasekh, MA Torres… - Journal of alloys and …, 2013 - Elsevier
Abstract Ca 3− x Sr x Co 4 O 9 polycrystalline thermoelectric ceramics with small amounts of
Sr have been synthesized by the classical solid state method. Microstructural …

Effect of synthesis methods on the Ca3Co4O9 thermoelectric ceramic performances

A Sotelo, S Rasekh, MA Torres, P Bosque… - Journal of Solid State …, 2015 - Elsevier
Three different synthesis methods producing nanometric grain sizes, coprecipitation with
ammonium carbonate, oxalic acid, and by attrition milling have been studied to produce Ca …

Thermoelectric power factor of composites

A Riss, F Garmroudi, M Parzer, A Pustogow, T Mori… - Physical Review …, 2024 - APS
To improve the performance of thermoelectric materials, a highly effective and widely
implemented approach is to create multiphase composites. These composites are designed …

Enhancement of mechanical and thermoelectric properties of Ca3Co4O9 by Ag addition

F Kahraman, MA Madre, S Rasekh, C Salvador… - Journal of the European …, 2015 - Elsevier
Abstract Ca 3 Co 4 O 9+ x wt.% Ag (x= 0, 1, 3, 5, and 10) polycrystalline thermoelectric
ceramics have been prepared by a sol–gel route via nitrates followed by high temperature …

Enhancement of Ca3Co4O9 thermoelectric properties by Cr for Co substitution

JC Diez, MA Torres, S Rasekh, G Constantinescu… - Ceramics …, 2013 - Elsevier
Ca3Co4− xCrxO9 polycristalline thermoelectric ceramics with small amounts of Cr have
been synthesized by the classical solid state method. Microstructural characterizations have …

Use of laser technology to produce high thermoelectric performances in Bi2Sr2Co1. 8Ox

S Rasekh, FM Costa, NM Ferreira, MA Torres… - Materials & Design, 2015 - Elsevier
Abstract Bi 2 Sr 2 Co 1.8 O x bulk polycrystalline ceramics were prepared by conventional
sintering of powders, obtained by polymer solution method and by directional growth using …

Improvement of textured Bi1. 6Pb0. 4Sr2Co1. 8Ox thermoelectric performances by metallic Ag additions

A Sotelo, S Rasekh, G Constantinescu, MA Torres… - Ceramics …, 2013 - Elsevier
Bi1. 6Pb0. 4Sr2Co1. 8Ox thermoelectric ceramics with small Ag additions (0, 1, and 3wt%)
have been successfully grown from the melt, using the laser floating zone method …

Effect of Cu by Co substitution on Ca3Co4O9 thermoelectric ceramics

S Rasekh, MA Torres, G Constantinescu… - Journal of Materials …, 2013 - Springer
Abstract Ca 3 Co 4− x Cu x O 9 polycrystalline thermoelectric ceramics with small amounts
of Cu have been synthesized by the classical solid state method. X-ray diffraction data have …