S-PEEK電紡纖維補強質子交換複合膜製備與性能研究

Preparation and Characterization of Sulfonated Poly(ether ether ketone) Nano-fiber Reinforced Proton Exchange Composite Membranes

江知諶(Zhi- Chen Jiang)

指導教授 ： 余子隆

共同指導教授 ： 林秀麗(Hsiu-Li Lin)

元智大學/工程學院/化學工程與材料科學學系/碩士(2009年)

摘要

論文包括兩項工作：(1)S-PEEK(sulfonated - poly (ether ether
ketone))奈米纖維補強PBI(polybenzimidazole)複合膜；(2)S-PEEK-NH2
(sulfonated , amino poly (ether ether ketone))奈米纖維補強Nafion複合膜。
(1)使用聚醚醚酮(polyether ether ketone, PEEK)將其進行磺酸化改質成S-PEEK。以DMAc(N,N-dimethyl acetamide)配製S-PEEK/DMAc溶液利用電紡絲技術製備微米~奈米纖維膜，探討不同的電紡操作參數對纖維直徑的影響。以S-PEEK奈米纖維膜為基材，以刮刀塗佈PBI/DMAc溶液製作PBI/S-PEEK fiber複合膜。將複合膜與商用電極貼合製作膜電極組(MEA)並進行高溫單電池測試。由i-V極化曲線可發現隨著溫度升高，單電池效能下降，可能是複合膜截面的孔洞影響單電池效能。
(2)S-PEEK奈米纖維膜以聯胺(hydrazine monohydrate, H2NNH2•H2O)進行胺基化改質為S-PEEK-NH2奈米纖維，以此奈米纖維補強Nafion製作S-PEEK-NH2奈米纖維補強Nafion複合膜。由SEM觀察，Nafion填滿整個S-PEEK-NH2纖維膜。以此複合膜製作MEA進行單電池測試結果OCV達0.907 V，小於Nafion-212膜材的OCV，單電池整體效能高於Nafion-212。
關鍵字：靜電紡絲、聚醚醚酮、聚苯並咪唑、Nafion、複合膜

關鍵字

靜電紡絲 ； 聚醚醚酮 ； 聚苯並咪唑 ； Nafion ； 複合膜

並列摘要

Preparation and Characterization of Sulfonated
Poly(ether ether ketone) Nanofiber Reinforced Proton Exchange Composite Membrane
Student: Zhi- Chen Jiang Advisor：Dr. T. L. Yu
Department of Chemical Engineering and Materials Science
Yuan Ze University
Abstract
Using electrospinning technology, we prepared two kinds of nano-fiber films from sulfonated polyether ether ketone (S-PEEK)/ DMAc(N,N-dimethyl acetamide) solution, S-PEEK-NH2 fiber by hydrazine monohydrate. The nano-fiber films were used as matrices to prepare PBI/S-PEEK fiber composite membrane and Nafion/S-PEEK
-NH2 fiber composite membrane by fabricatibg PBI/DMAc solution on S-PEEK nano-fiber film and Nafion solution on S-PEEK-NH2 nano-fiber film, respectively.
From SEM micro-graphs of surfaces and cross-sections of these two composite membranes, we found PBI and Nafion resins were filled into the nano-fiber films. The single cell test showed the OCV of MEA prepared from PBI/S-PEEK fiber composite membrane had reached 0.6 V in high temperature(140℃ and 160℃) PEMFC but the maximum power density was around 50.22 mW/cm2 at 140℃. The OCV of Nafion/ S-PEEK-NH2 fiber composite membrane had reached 0.907 V which was lower than that MEA prepared from Nafion-212 membrane, but the maximum power density of Nafion/S-PEEK-NH2 fiber membrane was better than that of Nafion-212.
Keywords: electro- spinning, sulfonated polyether ether ketone, polybenzimidazole, Nafion, composite membrane.

並列關鍵字

electro- spinning ； sulfonated polyether ether ketone ； polybenzimidazole ； Nafion ； composite membrane

參考文獻

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