Anode-supported tubular solid oxide fuel cells and 4-cell-stack with lanthanum-doped ceria barrier layer and strontium, magnesium doped lanthanum gallate tri-layer electrolytes membrane are investigated. The single cell exhibits peak power densities of 1061 mW cm⁻² and 917 mW cm⁻² at 800 °C fueled with bubbled hydrogen and methane (3 vol % water), respectively. Energy dispersive X-ray detector result demonstrates that no measurable carbon is detected in the anode directly operated in methane during the whole testing process.

The 4-cell-stack assembled with single cells provides maximum output power of 1.66 W and open circuit voltage of 3.13 V at 800 °C with hydrogen as fuel. While the 4-cell-stack presents maximum output power of 1.38 W and open circuit voltage of 3.88 V at 800 °C fueled with methane. A stability test of each cell in 4-cell-stack is developed at constant current densities (J = 0 A cm⁻², J = 0.1 A cm⁻², J = 0.4 A cm⁻²) directly fueled with 75 ml min⁻¹ methane at 800 °C. The results show that the voltages of each cell in 4-cell-stack stabilize during the whole durability test. The results demonstrate that the stability and dependability of 4-cell-stack is good, and it is promising for mobile application of intermediate temperature solid oxide fuel cells.

研究了阳极支撑的管状固体氧化物燃料电池以及掺镧掺杂的二氧化铈阻挡层和锶，掺镁的没食子酸镧三层电解质膜的4电池堆。单个电池 在800°C时分别以鼓入的氢气和甲烷（3％体积百分比的水）供能，其峰值功率密度分别为1061 mW cm ^-2和917 mW cm ^-2。能量色散X射线检测器的结果表明，在整个测试过程中，直接在甲烷中操作的阳极中未检测到可测碳。

由单电池组装而成的4电池堆在以氢气为燃料的情况下，在800°C时可提供1.66 W的最大输出功率和3.13 V的开路电压。4电池堆在800℃下以甲烷为燃料时，最大输出功率为1.38 W，开路电压为3.88V。在4-细胞堆中的每个电池的稳定性试验在恒定电流密度显影（J = 0厘米^-2，J = 0.1 A厘米^-2，J = 0.4 A厘米^-2）直接燃料用75毫升分钟^{- 1个}甲烷在800°C。结果表明，在整个耐久性试验中，4电池堆中每个电池的电压都稳定。结果表明，四单元电池组的稳定性和可靠性良好，对于中温固体氧化物燃料电池的移动应用具有广阔的前景。