Oxide materials for high temperature thermoelectric energy conversion

JW Fergus - Journal of the European Ceramic Society, 2012 - Elsevier
Thermoelectric energy conversion can be used to capture electric power from waste heat in
a variety of applications. The materials that have been shown to have the best thermoelectric …

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 …

Low thermal conductivity and enhanced thermoelectric properties of Cu-substituted Bi2-xCuxSr2Co2Oy ceramics

Y Xu, M Li, Y Zhang, H Song, H Hao - Ceramics International, 2024 - Elsevier
Abstract The Bi 2 Sr 2 Co 2 O y ceramic, known for its stability as a p-type thermoelectric
material, has limited thermoelectric performance that necessitates enhancement. In this …

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 …

Enhancement of Ca3Co4O9+ δ thermoelectric properties by dispersing SiC nanoparticles

C Ruan, H Song, M Fan, H Hao, S Liu - Ceramics International, 2021 - Elsevier
Abstract Misfit-layered oxides Ca 3 Co 4 O 9+ δ+ z wt% SiC (z= 0.00, 0.025, 0.05, 0.1, 0.2)
samples were synthesized using solid-state sintering method and the effects of SiC …

Effects of calcination temperature and time on the Ca3Co4O9 purity when synthesized using starch-assisted sol-gel combustion method

MA Mohammed, MB Uday, S Izman - Journal of Advanced Ceramics, 2020 - Springer
Ca 3 Co 4 O 9 is a p-type semiconducting material that is well-known for its thermoelectric
(TE), magnetic, electronic, and electro-optic properties. In this study, sol-gel autoignition was …

Evaluation of soft chemistry methods to synthesize Gd-doped CaMnO3− δ with improved thermoelectric properties

R Löhnert, M Stelter, J Töpfer - Materials Science and Engineering: B, 2017 - Elsevier
Abstract Ceramics of Ca 0.96 Gd 0.04 MnO 3− δ are prepared via different soft chemistry
methods and the solid state route. The phase formation processes of the synthesized …

Thermoelectric properties of Ca3–x Bi x Co4O9 + δ (0.0 ⩽ x ⩽ 1.5) ceramics

IV Matsukevich, AI Klyndyuk, EA Tugova… - Inorganic Materials, 2016 - Springer
We have studied the thermal, electrical, and thermoelectric properties of Ca 3–x Bi x Co 4 O
9+ δ (0.0≤ x≤ 1.5) ceramics prepared by solid-state reactions. Phase-pure Ca 3–x Bi x Co …