https://oldena.lpnu.ua/handle/ntb/45207| Title: | Samarium-doped ceria/yttria-stabilized zirconia composite prepared by solid state reaction |
| Other Titles: | Одержання за реакцією у твердому стані композиту промотованого самарієм оксид церію/діоксид цирконію, стабілізованого оксидом ітрію |
| Authors: | Rahmawati, Fitria Respati, Anang Pandan Mudjijono Syarif, Dani G. |
| Affiliation: | Research Group of Solid State Chemistry & Catalysis, Chemistry Department, Sebelas Maret University, Indonesia Ceramics Lab., National Atomic Energy Agency, Badan Tenaga Atom Nasional (BATAN), Jl. Taman Sari Bandung, Indonesia |
| Bibliographic description (Ukraine): | Samarium-doped ceria/yttria-stabilized zirconia composite prepared by solid state reaction / Fitria Rahmawati, Anang Pandan Respati, Mudjijono, Dani G. Syarif // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 4. — P. 434–440. |
| Bibliographic description (International): | Samarium-doped ceria/yttria-stabilized zirconia composite prepared by solid state reaction / Fitria Rahmawati, Anang Pandan Respati, Mudjijono, Dani G. Syarif // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2018. — Vol 12. — No 4. — P. 434–440. |
| Is part of: | Chemistry & Chemical Technology, 4 (12), 2018 |
| Journal/Collection: | Chemistry & Chemical Technology |
| Issue: | 4 |
| Volume: | 12 |
| Issue Date: | 20-Jan-2018 |
| Publisher: | Lviv Politechnic Publishing House |
| Place of the edition/event: | Lviv |
| Keywords: | композит SDC-YSZ електроліт твердооксидний паливний елемент йонна провідність SDC-YSZ composite electrolyte solid oxide fuel cell ionic conductivity |
| Number of pages: | 7 |
| Page range: | 434-440 |
| Start page: | 434 |
| End page: | 440 |
| Abstract: | Одержано композити с різним співвідно-
шенням промотованого самарієм оксиду церію (SDC) з
діоксидом цирконію, стабілізованого оксидом ітрію (YSZ), SDC:YSZ = 0:1; 1:9; 1:1; 9:1 та 1:0. Досліджено структуру
кристалів та йонну провідність одержаних композитів. За
допомогою рентгенодифракційного аналізу з використанням
методу Ле Бейля досліджено кристалічну структуру,
просторові групи, параметри та об‘єм комірок. Йонну
провідність визначено методом імпедансу. Показано, що
композити SDC-YSZ кристалізувались у двох фазаз кубічного
SDC і кубічного YSZ за відсутності вторинних фаз. Це вказує
на те, що змішування та нагрівання за 1523 К не змінюють
кристалічну структуру, навіть при зміні параметрів комірки.
Композит SDC-YSZ 91 показує найвищу йонну провідність за 873 К. Показана роль YSZ щодо гальмування автовідновлення
йонів церію. 1A research on the preparation of composite samarium-doped ceria (SDC) with yttrium-stabilized zirconia (YSZ) has been conducted at the SDC:YSZ ratio of 0:1; 1:9; 1:1; 9:1 and 1:0. This research aims to investigate the crystal structure and the ionic conductivity of the prepared materials. XRD analysis equipped with Le Bail refinement was used to analyze the crystal structure, space group, cell parameters, and cell volume. Meanwhile, the ionic conductivity was determined by impedance measurement. The result shows that the composites of SDC-YSZ were crystallized in two phases of cubic SDC and cubic YSZ without the presence of secondary phases. It indicates that the mixing and the heating at 1523 K did not change the crystal structure, even though it changed the cell parameters. Composite SDC-YSZ 91 shows a highest ionic conductivity at 873K without the presence of electrode-bulk interface conductivity. It is a good indication of YSZ role regarding the inhibition of cerium ions auto-reduction. |
| URI: | https://ena.lpnu.ua/handle/ntb/45207 |
| Copyright owner: | © Національний університет „Львівська політехніка“, 2018 ©Rahmawati F., Respati A., Mudjijono, Syarif D., 2018 |
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| Content type: | Article |
| Appears in Collections: | Chemistry & Chemical Technology. – 2018. – Vol. 12, No. 4 |
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| 2018v12n4_Rahmawati_F-Samarium_doped_ceria_434-440__COVER.png | 566.05 kB | image/png | View/Open |
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