Varying the morphology of Fe-N-C electrocatalysts by templating Iron Phthalocyanine precursor with different porous SiO2 to promote the Oxygen Reduction Reaction
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- 作者：Alessandro H.A. Monteverde Videla ; alessandro.monteverdevidela@polito.it" class="auth_mail" title="E-mail the corresponding author ; Luigi Osmieri ; Marco Armandi ; Stefania Specchia1 ; stefania.specchia@polito.it" class="auth_mail" title="E-mail the corresponding author
- 关键词：Rotating ring-disk electrode ; iron ; phthalocyanine ; mesoporous silica ; stability ; oxygen reduction reaction
- 刊名：Electrochimica Acta
- 出版年：2015
- 出版时间：20 September 2015
- 年：2015
- 卷：177
- 期：Complete
- 页码：43-50
- 全文大小：1767 K
文摘
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Fe-N-C catalysts are prepared from FePc with different heat treatments
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The best Fe-N-C catalyst is prepared through pyrolysis at 850 °C
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Different porous silica are used as template to modify the morphology and porosity
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ORR electroactivity in acidic solution is determined with RRDE and GDE apparatuses
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The best catalyst Fe-N-C/850_mSiO2 presents the highest microporosity