Highly efficient iron phthalocyanine based porous carbon electrocatalysts for the oxygen reduction reaction

Highly efficient iron phthalocyanine based porous carbon electrocatalysts for the oxygen reduction reaction
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用于氧还原反应的高效铁酞菁基多孔碳电催化剂

DOI:
10.1039/c6ra13106a
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发表时间:
2016-08
期刊:
RSC Advances
影响因子:
--
通讯作者:
Jiahui Huang
Jiahui Huang
中科院分区:
其他
文献类型:
--
作者:
Yu Jiang;Yan Xie;Xinxin Jin;Qi Hu;Li Chen;Ling Xu;Jiahui Huang

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具有大表面积和均匀孔径的多孔碳(PC)材料被用作催化氧还原反应(ORR)的新型电催化剂。本研究分别以酞菁铁(FePc)和氧化镁(MgO)为前驱体和硬模板制备了基于FePc的多孔碳非贵金属电催化剂(NNMEs)。制备的fepc基多孔碳电催化剂具有555 m2 g−1的高比表面积和平均孔径分别为3.6 nm和32 nm的双介孔结构,在碱性溶液中表现出与商用Pt/C电催化剂相当的ORR活性和优异的耐久性。fepc基多孔碳电催化剂具有优异的催化性能,可能是由于其比表面积大,碳层中包裹的铁基纳米颗粒(NPs)密度高,掺杂氮元素含量高。
Porous carbon (PC) materials with a large surface area and uniform pore sizes have been used as novel electrocatalysts to catalyze the oxygen reduction reaction (ORR). In this work, iron phthalocyanine (FePc) and magnesium oxide (MgO) were used as the precursors and hard-template, respectively, to fabricate FePc-based porous carbon non-noble metal electrocatalysts (NNMEs). The prepared FePc-based porous carbon electrocatalysts possess a high surface area of 555 m2 g−1 and a dual mesoporous structure with mean pore sizes of 3.6 nm and 32 nm, and display comparable ORR activity but superior durability than a commercial Pt/C electrocatalyst in alkaline solution. The excellent catalytic performance of FePc-based porous carbon electrocatalysts may be attributed to the large surface area, high density of iron based nano-particles (NPs) encapsulated in carbon layers and high content of doped nitrogen species.
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