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中文摘要：
固体氧化物燃料电池堆由多片单电池串／并联组成，各单电池的电压是表征电池堆性能的关键参数。大功率电池堆高达数百伏的累积电势，成了单电池电压测试的障碍。本文设计了一种高共模抑制比的差分运算电路，该电路在测试中能有效地抑制燃料电池堆的共模电压。实验优化了利用该电路进行燃料电池电压检测的最佳方案。
英文摘要：
Solid oxide fuel cell stack is composed of multiple serial/parallel single cells, whose voltage is the key parameter of the stack＇s performance. But hundreds of accumulated electric potentials have become a barrier in single-cells＇ voltage testing. The differential operational amplifier circuit of high commonmode rejection is presented in this paper, which can effectively suppress the stack＇s common-mode voltage in testing. The optimum voltage detection plan in which the differential operational amplifier circuit has been used is proposed in this paper as well.
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High performance solid oxide fuel cells based on tri-layer yttria-stabilized zirconia by low tempera
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