The performance of nano urchin-like NiCo2O4 modified activated carbon as air cathode for microbial fuel cell

被引：75

作者：

Ge, Baochao ^{[1
,2
]}

Li, Kexun ^{[1
,2
]}

Fu, Zhou ^{[1
,2
]}

Pu, Liangtao ^{[1
,2
]}

Zhang, Xi ^{[1
,2
]}

Liu, Ziqi ^{[1
,2
]}

Huang, Kan ^{[3
]}

机构：

[1] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China

[2] Nankai Univ, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300071, Peoples R China

[3] Nissan Tech Ctr North Amer, Farmington Hills, MI 48331 USA

来源：

JOURNAL OF POWER SOURCES | 2016年 / 303卷

关键词：

Microbial fuel cell; Urchin-like NiCo2O4; Oxygen reduction reaction; Air cathode; OXYGEN REDUCTION REACTION; POWER-GENERATION; CATALYST; EVOLUTION; HYBRID; ELECTROCATALYST; NANOSTRUCTURES; FACILE; MORPHOLOGY; OXIDATION;

D O I：

10.1016/j.jpowsour.2015.11.003

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A nano urchin-like NiCo2O4 has been successfully synthesized via a facile and scalable hydrothermal method. A NiCo2O4 modified active carbon air cathode was designed, optimized and fabricated. The maximum power density of the microbial fuel cell with newly developed cathode is 2.28 time higher than bare active carbon and is comparable to the commercial available Pt/C, reaching 1730 +/- 14 mW M-2. The modified active carbon showed remarkable improvement in activity towards the oxygen reduction reaction, which was due to the lower charger transfer, lower activation barrier, and higher exchange current density. Electrochemical evaluation showed a direct four-electron the oxygen reduction reaction on NiCo2O4 modified active carbon, compared to a two-stage process on bare active carbon. The non precious NiCo2O4 could be considered as a promising alternative to the costly Pt. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：325 / 332

页数：8

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