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Performance and Energy Efficiency of a Microtubular Solid Oxide Fuel Cell

机译:微管固体氧化物燃料电池的性能和能效

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Performance and energy efficiency of a single microtubular solid oxide fuel cell (SOFC) has been studied in various experimental conditions and directly correlated to the character of the cell. The performance of the cell with Ni-YSZ anode supported ScSZ electrolyte increases from 0.25 to 0.42 Wcm~(-2) by increasing the fuel flow rate at 620°C cell temperature. On the other hand, the energy efficiency of the cell simply improves by decreasing the fuel flow rate, and reaches 26% (LHV) in flowing 20% H_2 - Ar fuel inside the tube. Impedance analysis has suggested that the improvement of polarization resistances will effectively increase the energy efficiency of the cell at lower operation temperatures.
机译:已经在各种实验条件下研究了单个微管固体氧化物燃料电池(SOFC)的性能和能效,并且与该电池的特性直接相关。通过在620°C的电池温度下提高燃料流量,Ni-YSZ阳极负载ScSZ电解质的电池性能从0.25提高到0.42 Wcm〜(-2)。另一方面,通过降低燃料流量可以简单地提高电池的能量效率,并且在管内流动的20%H_2-Ar燃料中达到26%(LHV)。阻抗分析表明,极化电阻的改善将有效提高电池在较低工作温度下的能量效率。

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