MnO2/CNT as ORR Electrocatalyst in Air-Cathode Microbial Fuel Cells

被引：20

作者：

Woon, Chee Wai ^{[1
]}

Ong, Huei Ruey ^{[1
]}

Chong, Kwok Feng ^{[2
]}

Chan, Kar Min ^{[1
]}

Khan, Md. Maksudur Rahman ^{[1
]}

机构：

[1] Univ Malaysia Pahang, Fac Chem & Nat Resources Engn, Kuantan 26300, Pahang, Malaysia

[2] Univ Malaysia Pahang, Fac Ind Sci & Technol, Kuantan 26300, Pahang, Malaysia

来源：

INTERNATIONAL SYMPOSIUM ON APPLIED CHEMISTRY 2015 | 2015年 / 16卷

关键词：

MFC; MnO2/CNT; Oxygen reduction reaction; Polarization curves; POME; OXYGEN REDUCTION REACTION; POWER-GENERATION; WASTE-WATER; CARBON; CATALYST; PERFORMANCE; ELECTRICITY; PLATINUM; DIOXIDE;

D O I：

10.1016/j.proche.2015.12.003

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Air-cathode microbial fuel cell (MFC) is a potential electrochemical device for green power generation simultaneously conducting wastewater treatment. In the present work, the MnO2 catalyst has been prepared and modified by inducing carbon nanotube (CNT) via sonochemical-coprecipitation method. The as-prepared catalyst (MnO2/CNT) was characterized by x-ray powder diffraction patterns (XRD), field emission scanning electron microscope (FESEM), energy -dispersive x-ray spectroscopy (EDS), transmission electron microscopy (TEM) and cyclic voltammetry (CV) to examine its morphological surface, crystal structure, elemental analysis and oxygen reduction reaction (ORR) activity of the catalyst, respectively. The CV results revealed that MnO2/CNT catalyzed ORR at potential of -0.45 V. The effect of catalyst loading on the chemical oxygen demand (COD) removal efficiency of palm oil mill effluent (POME) and MFC performance were studied. The maximum power density and open circuit voltage (OCV) generated from with the as-prepared MnO2/CNT were measured to be 215.57 mW/m(3) and 582 mV, respectively. (C) 2015 The Authors. Published by Elsevier B.V.

引用

页码：640 / 647

页数：8

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