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Experimental Investigation of Dynamic Response to Partially Relieving of Load of Passive Fuel Cells
Author(s): 
Pages: 824-826
Year: Issue:  5
Journal: Journal of Engineering Thermophysics

Keyword:  直接甲醇燃料电池 被动式供料 动态性能 部分卸载 自呼吸;
Abstract: 对全被动式直接甲醇燃料电池在电流部分卸载情况下的输出电压动态响应开展了实验研究。实验结果显示,电流按照方波、后直角三角波、前直角三角波和等腰三角波加载/卸载时的燃料电池输出电压动态响应规律不尽相同。燃料电池在高电流强度加载时,不同甲醇溶液浓度时的电池输出电压比较接近。在电流部分卸载的情况下,1mol/L甲醇溶液浓度时燃料电池的输出电压高于3mol/L甲醇溶液浓度时的输出电压。从被动式燃料电池内部传质过程与电化学反应耦合的角度对实验结果开展了分析。
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