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Outline
A solid oxide fuel cell （SOFC） is a green and efficient electrochemical device for energy conversion. Due to the use of solid ceramics as electrolyte materials， it needs to work in a high-temperature environment of 600-1000 ℃. The high-temperature environment can accelerate the aging of equipment materials， resulting in the rapid decline of battery performance. SOFC technology operating at intermediate- and low-temperatures can improve the startup speed of the system， enhance the durability of the equipment， and expand the scope of equipment selection. Therefore， the development of intermediate and low-temperature SOFC technology is crucial to achieve its commercial application. Since charge transfer and oxygen exchange reactions in solid electrolytes are thermally activated processes， reducing the operating temperature of SOFCs will elevate the ohmic polarization of the electrolyte and exacerbate the polarization loss of the electrode， thereby compromising the actual output power of the SOFC system. In recent years， studies on intermediate- and low-temperature SOFC technology have primarily focused on optimizing the microstructure and chemical composition of electrode and electrolyte materials. In this review， the research progress on the SOFC key materials， including both electrode and electrolyte materials， is systematically summarized. Furthermore， the future design strategies and development directions of these key SOFC materials are prospected.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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