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 …

High temperature thermoelectric properties of Ca3Co4O9+ δ by auto-combustion synthesis and spark plasma sintering

NY Wu, TC Holgate, N Van Nong, N Pryds… - Journal of the European …, 2014 - Elsevier
A rapid method for the synthesis of Ca 3 Co 4 O 9+ δ powder is introduced. The procedure is
a modification of the conventional citric-nitrate sol–gel method where an auto-combustion …

Microstructural and thermal evaluation of the formation of tin–tellurium (SnTe) alloy by ball milling process

AS Hakeem, SM AlMansour, MA Ehsan, Q Drmosh… - Powder Technology, 2023 - Elsevier
A mechanically induced phase transition in tin‑tellurium (Snsingle bondTe) system and its
dependence on the milling time of the masses of metastable Snsingle bondTe phase (s) …

High-temperature thermoelectric properties of La and Fe co-doped Ca–Co–O misfit-layered cobaltites consolidated by spark plasma sintering

S Butt, YC Liu, JL Lan, K Shehzad, B Zhan, Y Lin… - Journal of alloys and …, 2014 - Elsevier
A series of Ca 3 Co 4− y Fe y O 9 and Ca 3− x La x Co 4− y Fe y O 9 ceramics was prepared
by sol–gel method followed by spark plasma sintering. The X-ray diffraction analysis …

Enhancing the thermoelectric performance of calcium cobaltite ceramics by tuning composition and processing

J Yu, K Chen, F Azough, DT Alvarez-Ruiz… - … applied materials & …, 2020 - ACS Publications
Calcium cobaltite (Ca3Co4O9) is a promising p-type thermoelectric oxide material. Here, we
present an approach to optimize the thermoelectric performance of Ca3Co4O9 by …

Effect of sol-gel and solid-state synthesis techniques on structural, morphological and thermoelectric performance of Ca3Co4O9

AK Królicka, M Piersa, A Mirowska, M Michalska - Ceramics International, 2018 - Elsevier
Two methods of obtaining calcium cobalt oxide (Ca 3 Co 4 O 9) thermoelectric materials
were studied:(I) solid state synthesis (SS) followed by high-energy ball-milling (HEBM) and …

Segmented thermoelectric oxide‐based module for high‐temperature waste heat harvesting

LT Hung, N Van Nong, L Han, R Bjørk… - Energy …, 2015 - Wiley Online Library
We report a high‐performance thermoelectric (TE) oxide‐based module using the
segmentation of half‐Heusler Ti0. 3Zr0. 35Hf0. 35CoSb0. 8Sn0. 2 and misfit‐layered …

[HTML][HTML] Evaluation of pressure and temperature effect on the structure and properties of Ca2. 93Sr0. 07Co4O9 ceramic materials

MA Torres, MA Madre, OJ Dura, G García, S Marinel… - Ceramics …, 2022 - Elsevier
In this work, the effect of hot-pressing conditions on the performances of Sr-doped Ca 3 Co 4
O 9 materials has been investigated. The samples were prepared from attrition milled …

Effect of La3+ substitution on the structural and thermoelectric properties of Ca3-xLaxCo4O9+ δ

JS Cha, DH Kim, HY Hong, GH Kim, K Park - Journal of the European …, 2019 - Elsevier
The thermoelectric properties of Ca 3 Co 4 O 9 were optimized by the substitution of La 3+
for Ca 2+ in Ca 3 Co 4 O 9. The La 3+ substitution significantly enhanced the thermoelectric …

Effects of yttrium and iron co-doping on the high temperature thermoelectric properties of Ca3Co4O9+ δ

NY Wu, N Van Nong, N Pryds, S Linderoth - Journal of Alloys and …, 2015 - Elsevier
A series of Y and Fe co-doped Ca 3− x Y x Co 4− y Fe y O 9+ δ (0⩽ x⩽ 0.3, 0⩽ y⩽ 0.1)
samples synthesized by auto-combustion reaction and followed by a spark plasma sintering …