| Autor: |
Pusu Zhao, Xiaojun Sun, Jie Song, Xu Jiming, Xiufang Zhu, Yuanzhi Song, Liu Xiaoyan, Fengxia Zhu |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
Materials Research Express. 7:076303 |
| ISSN: |
2053-1591 |
| DOI: |
10.1088/2053-1591/aba84b |
| Popis: |
The microstructure and electrochemical properties of a novel cathode Nd0.5Sr0.5Co0.5Mn0.5O3-δ were discussed in the paper. After calcination at 1000 °C, a perfect single crystal was obtained. Some diffraction streaks along [200] and [112] patterns in HR-TEM appeared for the ordering of oxygen vacancies, or as the overlap of B-site cations (Co2+/Co3+ and Mn2+/Mn3+) with stacking fault-derived scattering of ordering. Area-specific resistance (ASR) was 0.023 Ω · cm2 when Nd0.5Sr0.5Co0.5Mn0.5O3-δ was deposited on the electrolyte as the electrode at 700 °C in air. The maximum power density and the maximum OCV were 592.80 mW·cm−2 at 650 °C and 0.89 V at 550 °C for a single cell, respectively. Hence, the material Nd0.5Sr0.5Co0.5Mn0.5O3-δ could be considered as an air-electrode in Intermediate-temperature solid oxide fuel cells (IT-SOFC). |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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