| 中文摘要 |
本文針對日趨成熟的先進電力系統－－質子交換膜燃料電池之性能進行實驗研究，其中並探討同等規格之單電池與電池堆在不同條件下，渠等性能（功率）所受影響之差異。實驗系統主體為300W之測試機台，測試電池為單電池、雙電池及三電池，單電池反應面積為5×5平方公分，而操作參數則包括氫、氧計量比、氫氧加濕（飽和狀態）溫度及電池溫度等五項，且以一次－－因子法進行實驗。實驗結果顯示電池溫度對三者功率之影響皆為最大，另以工作電流為25 Amp時，分析各電池之最佳性能（功率最大）及對應之主要操作因子水準。此外，並利用迴歸法分析基準條件下之實驗數據，能有效地建立電池堆功率之計算模式。本研究相關成果除可為先進船舶電力技術發展奠基外，亦有助於國內未來船用電力系統之應用。
The performance of a developing advanced electrical power system-proton exchange membrane fuel cell (PEMFC) is studied experimentally in this paper. The effects on working power for single cell and stacks with same specifications are investigated under different conditions. The major part of this experimental system is 300 W testing bench, and the measured items are single cell, two cells, and three cells. The reaction area for single cell is 5×5 cm^2. The operational parameters include hydrogen and oxygen stoichiometric ratios, hydrogen and oxygen humidificatin (saturated status) temperatures, and cell temperature. All experiments execute by the method of one factor at a time The results indicate that the cell temperature is the most important factor on working power for three type cells Meanwhile, the best performance (maximum power) and corresponding factor level for each cell are analyzed at working current of 25 Amp. In addition, the regression analysis method is applied to establish the power estimating model for the baseline condition. The above study not only lay a foundation for the technology development of advanced shipboard electric power, but also benefits to the application of future marine power system in domestic. |
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