本研究以酸化處理一般碳黑(Lamp Black)再與聚乙烯胺高分子(Polyethylenimine)反應，改質處理後成為具有金屬螯合性之碳材，以含浸法製備鐵奈米粒子於碳材上，再以化學氣相沉積法於碳材生長奈米碳管合成出新穎之海膽狀碳材。以四點碳針法與氮氣之吸附脫附曲線測量到其導電度與表面積有著相當顯著的成長。
於應用在燃料電池觸媒層之研究上，以聚乙烯亞胺之聚丙烯高分子 D400 作為高分子保護劑，以化學還原法於水相製備鉑奈米粒子於各不同型態之碳材上，並改變不同的高分子保護劑量以探討其對鉑奈米粒子型態上之影響。由穿透式電子顯微鏡結果顯示[N]/[Pt]= 60時，有著最小的平均粒徑。接下來之熱處理的目的在於高分子裂解以達到活化觸媒表面之效果。
循環伏安法(cyclic voltammetry, CV)用來評估觸媒對於甲醇氧化之活性。電化學吸附面積(EAS area)分析上，海膽狀碳材可提供較原先碳材5倍以上之電化學活性表面績。電化學活性而言，鉑系觸媒擔載於海膽狀碳材皆有卓越的表現相較於原先未處理過之碳材;相較於商用觸媒(ETEK)，最佳可達其1.5倍之甲醇氧化的活性。
燃料電池應用上，鉑奈米粒子擔載於海膽狀碳材亦有優越的成效。於低溫下其效能可優於一般商用觸媒，高溫操作下其低電阻特質於高電流區域顯示著相較於商用觸媒明顯較緩的效能衰退現象;比較於陽極電極，鉑奈米粒子擔載於海膽狀碳材方面有著更適用於陰極材料的表現。

A fresh type of carbon support, sea urchin-like carbon (UC), was synthesized by chemical vapor deposition (CVD) growing carbon nanotubes (CNTs) under acetylene gas onto the iron catalysts, well-distributed carbon spheres, which was prepared by a chelating reagent, tetraethylentriamine (TETA), was reacted with acyl chloride-functionalized carbon as prepared. Controlled the time of CVD, the shape of UC material would be changed. Embedding carbon nanotube, the properties of electro-conductivity and surface areas of the UC materials can be improved.
Recently, a hydrophilic polymer, polyoxypropylenediamine (D400), was used as a stabilizer to prepare Pt colloids, through the reduction of citrate and then heat-treated in situ to prepare Pt nanoparticles. X-ray photoelectron spectroscopy revealed that metallic Pt0 is the predominant species in all Pt catalysts after calcinating. The Pt/C catalysts were prepared by changing the amine molar ratios of D400 to chloroplatinic acid, i.e. [N]/[Pt] = 20, 30, 40 and 60 onto the UC supports. The results appeared the Pt nanoparticle size decreasing with increasing the ratio of [N]/[Pt]. The real catalyst loading onto the different carbon supports could be obtained to compare with identical loading by thermogram analysis.
The electrochemical active areas (EAS) and electrochemical activities of the catalysts were evaluated by cyclic voltammetry. The EAS of Pt/UC catalyst (115.5 m2/g, UC-L) was more then Pt/ original carbon black (LB) catalyst (19 m2/g) and E-TEK (Pt/C, 20wt.%) catalyst (100.6 m2/g). Moreover, the methanol electro-oxidation of Pt/UC was superior to Pt/LB. The smaller Pt nanoparticles, prepared under the [N]/[Pt]= 60, onto the UC support, the peak current density ( If, 956.8 mA cm-2) was 1.5 times of E-TEK catalyst (Pt/C, 20wt.%).
Application for DMFC, the Pt/UC also displayed the great performance compared with different morphology of Pt/C catalysts. The power density of Pt/UC-L showed greater than E-TEK catalyst (Pt/C, 20wt.%) in the high current region. The Pt nanoparticle sizes and carbon supports also exhibited that catalyst activities toward methanol electro-oxidation and conductivity affected the single cell performance. Besides, the research on the Pt/UC catalyst using for a cathode electrode was discussed in this study.

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