Sciact
  • EN
  • RU

Structural and Transport Properties of Doped LAMOX — Electrolytes for IT SOFC Научная публикация

Конференция 20th International Conference on Solid State Ionics (SSI-20)
14-19 июн. 2015 , Keystone
Журнал Solid State Ionics
ISSN: 0167-2738
Вых. Данные Год: 2016, Том: 288, Страницы: 103-109 Страниц : 7 DOI: 10.1016/j.ssi.2016.01.026
Ключевые слова Ionic conductivity, LAMOX, Oxygen diffusion, Synthesis
Авторы Pavlova S. 1 , Bespalko Y. 1 , Sadykov V. 1,2 , Eremeev N. 1 , Krieger T. 1,2 , Sadovskaya E. 1,2 , Ishchenko A. 1,2 , Bobin A. 1,2 , Uvarov N. 3 , Smirnova A. 4
Организации
1 Boreskov Institute of Catalysis, Prosp. Acad. Lavrentieva, 5, 630090, Novosibirsk, Russian Federation
2 Novosibirsk State University, Novosibirsk, Russian Federation
3 Institute of Solid State Chemistry SB RAS, Novosibirsk, Russian Federation
4 South Dakota School of Mines and Technology, Rapid City, SD 57701, USA

Информация о финансировании (2)

1 Российский научный фонд 16-13-00112
2 American Chemical Society 12658

Реферат: Doped La2 − xRxMo2 − yWyO9 (R = Bi, Gd, Pr, Sm, Nd; x = 0–0.5, y = 0.5–1) were synthesized via polymerized precursors method or high power mechanical milling (MM). The study of doped LAMOX genesis and structural properties using thermal analysis, XRD, TEM has revealed that for all cations substituting La-position, the pure cubic β-phase is formed from polymerized precursors after calcination at 700 °C. W-doped LAMOX have been obtained via low temperature calcination of MM products. Due to a high dispersion of powders, high density pellets of doped LAMOX ceramics have been already obtained after sintering at 950 °C. Their electrical conductivity measured by impedance spectroscopy varies in the range of 2.3–5.6 · 10− 3 S/cm at 630 °C depending on the doping cation nature. The self-diffusion coefficient (DO) values calculated from corresponding conductivities is in the range of 6–14 · 10− 9 cm2/s at 630 °C agreeing well with those from the data of C18O2 SSITKA for oxygen isotope exchange with powders of LAMOX.
Библиографическая ссылка: Pavlova S. , Bespalko Y. , Sadykov V. , Eremeev N. , Krieger T. , Sadovskaya E. , Ishchenko A. , Bobin A. , Uvarov N. , Smirnova A.
Structural and Transport Properties of Doped LAMOX — Electrolytes for IT SOFC
Solid State Ionics. 2016. V.288. P.103-109. DOI: 10.1016/j.ssi.2016.01.026 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
Поступила в редакцию: 17 июл. 2015 г.
Принята к публикации: 6 янв. 2016 г.
Опубликована online: 2 февр. 2016 г.
Опубликована в печати: 1 мая 2016 г.
Идентификаторы БД:
Web of science: WOS:000376710900020
Scopus: 2-s2.0-84956654804
РИНЦ: 35473521
Chemical Abstracts: 2016:110614
OpenAlex: W2272325611
Цитирование в БД:
БД Цитирований
Web of science 16
Scopus 17
РИНЦ 18
OpenAlex 16
Альметрики: