Electrocatalytic oxygen reduction reaction on iron phthalocyanine-modified carbide-derived carbon/carbon nanotube composite electrocatalysts

被引：57

作者：

Praats, Reio ^{[1
]}

Kaarik, Maike ^{[1
]}

Kikas, Arvo ^{[2
]}

Kisand, Vambola ^{[2
]}

Aruvali, Jaan ^{[3
]}

Paiste, Paarn ^{[3
]}

Merisalu, Maido ^{[1
,2
]}

Leis, Jaan ^{[1
]}

Sammelselg, Vaino ^{[1
,2
]}

Zagal, Jose H. ^{[4
]}

Holdcroft, Steven ^{[5
]}

Nakashima, Naotoshi ^{[6
]}

Tammeveski, Kaido ^{[1
]}

机构：

[1] Univ Tartu, Inst Chem, Ravila 14a, EE-50411 Tartu, Estonia

[2] Univ Tartu, Inst Phys, W Ostwald Str 1, EE-50411 Tartu, Estonia

[3] Univ Tartu, Inst Ecol & Earth Sci, Vanemuise 46, EE-51014 Tartu, Estonia

[4] Univ Santiago Chile, Lab Electrocatalisis, Dept Quim Mat, Casilla 40,Correo 33, Santiago 9170022, Chile

[5] Simon Fraser Univ, Dept Chem, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada

[6] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

来源：

ELECTROCHIMICA ACTA | 2020年 / 334卷

关键词：

Oxygen reduction; Electrocatalysis; Iron phthalocyanine; Carbide-derived carbon; Carbon nanotubes; Alkaline membrane fuel cell; CARBON NANOTUBES; TRANSITION-METAL; ELECTROCHEMICAL PERFORMANCE; MOLECULAR-OXYGEN; FE/N/C-CATALYSTS; CO; ACID; ELECTROREDUCTION; FE; SITES;

D O I：

10.1016/j.electacta.2019.135575

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We have investigated the electrocatalytic activity of pyrolysed iron phthalocyanine (FePc) modified carbide-derived carbon/multi-walled carbon nanotube (CDC/CNT) composite materials for the electroreduction of O-2. For comparison, FePc supported on Ketjenblack (KB/FePc) and heat-treated at 800 degrees C was also investigated. All materials containing a higher weight ratio of the CNTs exhibit higher electrocatalytic activity for oxygen reduction reaction (ORR) in both alkaline and acidic media. The surface morphology, structure, elemental composition and porosity of the electrocatalysts were studied with scanning electron microscopy, X-ray diffraction analysis, X-ray photoelectron spectroscopy, microwave plasma atomic emission spectroscopy and N-2 adsorption-desorption analysis. Anion exchange membrane fuel cell (AEMFC) tests were performed with the most active FePc modified CDC/CNT and KB/FePc catalysts. Excellent AEMFC performance was observed using these FePc derived cathode catalysts (maximum power density of 186 mW cm(-2) for KB/FePc). (C) 2019 Elsevier Ltd. All rights reserved.

引用

页数：11

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