06052nas a2200193 4500008004100000245010700041210006900148260000800217300001400225490000600239520537200245100002305617700001705640700002205657700001805679700001905697700001905716856012305735 2022 eng d00aSynthesis and ionic conductivity of calcium-doped ceria relevant to solid oxide fuel cell applications0 aSynthesis and ionic conductivity of calciumdoped ceria relevant  cOCT a8780-87910 v33 a

Towards the development of green energy devices, it is necessary to focus on commercial electrolyte materials for intermediate temperature solid oxide fuel cells (IT-SOFCs). Ca-doped ceria (CDC) samples having a composition of Ce(1−x)CaxO2−δ (0.03 ≤ x ≤ 0.1) were synthesized by a facile solid-state route and sintered at a lower temperature (1473 K). X-ray diffraction, Raman, X-ray photoelectron, Fourier-transform infrared, UV–VIS diffuse reflectance, field emission scanning electron microscopy – energy dispersive X-ray with elemental mapping, and electrochemical impedance spectroscopy techniques were used for the characterization of these CDC samples. The 0.10 CDC showed high oxide ion conductivity of 8.01 × 10−3 S cm−1 at 973 K with a lower activation energy of 0.78 eV. The 0.03 CDC, 0.05 CDC, and 0.07 CDC samples exhibited ionic conductivities of 1.66 × 10−4, 4.42 × 10−3, and 5.76 × 10−3 S cm−1 at 973 K with activation energies of 1.65, 1.01, and 0.92 eV, respectively. The present work aims to develop Ca-doped ceria as economically viable electrolytes for IT-SOFCs.

1 aMomin, Naeemakhtar1 aManjanna, J.1 aKobayashi, Satoru1 aAruna, S., T.1 aKumar, Senthil1 aNayaka, G., P. uhttps://library.ncl.res.in/content/synthesis-and-ionic-conductivity-calcium-doped-ceria-relevant-solid-oxide-fuel-cell01107nas a2200301 4500008004100000022001400041245021200055210006900267260000900336300001600345490000700361653002600368653002300394653002200417653002100439100002300460700001700483700002200500700001800522700001900540700001800559700001900577700001500596700001900611700002800630700002300658856012400681 2024 eng d a0272-884200aReconstituting the microstructural properties and ionic conductivity of copper - doped yttria-stabilized zirconia via mechanochemical synthesis for intermediate-temperature solid oxide fuel cell applications0 aReconstituting the microstructural properties and ionic conducti cOCT  a35178-351920 v5010aELECTRICAL-PROPERTIES10aOPTICAL-PROPERTIES10aTHERMAL-STABILITY10aTRANSITION-METAL1 aMomin, Naeemakhtar1 aManjanna, J.1 aKobayashi, Satoru1 aAruna, S., T.1 aKumar, Senthil1 aAhmad, Tokeer1 aNayaka, G., P.1 aMubeen, B.1 aSabale, Sandip1 aKangralkari, Mrunal, V.1 aKeri, Rangappa, S. uhttps://library.ncl.res.in/content/reconstituting-microstructural-properties-and-ionic-conductivity-copper-doped-yttria