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題 名 | 燃料電池雙極板流道配置對導電品質影響之研究=Study on the Effect of Channel Layout on the Conductivity Qualities of Bipolar Plate |
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作 者 | 李平惠; 林明俊; 廖威量; | 書刊名 | 桃園創新學報 |
卷 期 | 33 2013.12[民102.12] |
頁 次 | 頁1-12 |
分類號 | 468.1 |
關鍵詞 | 雙極板; 碳纖維; 配向; Bipolar plate; Carbon fiber; Orientation; |
語 文 | 中文(Chinese) |
中文摘要 | 燃料電池(Fuel Cell)是一種對地球生態污染性較低且發電效率較高的能源,而雙極板(Bipolar Plate)佔據全部電池大半主體,是燃料電池的主要元件。以高分子導電性複合材料成型之雙極板,具有重量輕、抗腐蝕佳、成本低、加工快的優點,若能於導電度上有所突破,就能逐漸取代石墨或金屬雙極板。本研究主要是選取PPS 複合材料,藉由改變不同流道配置的方向(進澆口平行/垂直流道方向),探討傳統射出成型與射出壓縮成型製作燃料電池雙極板製程中,對碳纖維配向、分佈與導電性之影響。 研究結果顯示,利用PPS複合材料,以模溫210℃、料溫330℃、射速60 mm/s、保壓150 MPa、開模間距0.8 mm之製程參數射出壓縮成型後,平面導電度為156 S/cm(達到國際DOE之標準),流道配置垂直充填方向以射出壓縮成型,平面導電度提升至183 S/cm,達到本研究目的之要求。 |
英文摘要 | Fuel cells constitute one of the most promising sources of clean energy and bipolar plate is an important component of a fuel cell. Electrically conductive polymer composites for molding of bipolar plates, has the advantages of lightweight, low cost, chemical stability, and ease of fabrication. They will can alternative to graphite and metal-based material if one can improve the conductivity of polymer composite. In this study, changing the different channel layout direction were convectional injection molding (CIM) and injection compression molding (ICM) using PPS polymer were analyzed and correlated. Meanwhile, influence of fiber orientation and distribution from channel layout direction was evaluated. The results showed that when the molding condition was chosen (mold temperature 210℃, melt temperature 330℃,injection velocity 60 mm/s, packing pressure 150 MPa, 0.8 mm initial open gap) for ICM., the in-plane conductivity can reached 156 S/cm and it has been achieved the DOE target. As channel is perpendicular to filling direction for ICM, the in-plane conductivity can reached 183 S/cm. |
本系統中英文摘要資訊取自各篇刊載內容。