Hybrid microfluidic fuel cell based on Laccase/C and AuAg/C electrodes

被引：26
作者：
Lopez-Gonzalez, B. [1 ]
Dector, A. [2 ]
Cuevas-Muniz, F. M. [2 ]
Arjona, N. [2 ]
Cruz-Madrid, C. [3 ]
Arana-Cuenca, A. [3 ]
Guerra-Balcazar, M. [4 ]
Arriaga, L. G. [2 ]
Ledesma-Garcia, J. [4 ]
机构：
[1] Univ Autonoma Queretaro, Fac Quim, Div Invest & Posgrad, Queretaro 76010, Mexico
[2] Ctr Invest & Desarrollo Tecnol & Electroquim, Pedro Escobedo 76703, Mexico
[3] Univ Politecn Pachuca, Zempoala 43380, Mexico
[4] Univ Autonoma Queretaro, Fac Ingn, Div Invest & Posgrad, Queretaro 76010, Mexico
来源：
BIOSENSORS & BIOELECTRONICS | 2014年 / 62卷
关键词：
Laccase immobilisation; Microfluidic fuel-cell; Enzymatic extracts; Selective materials; BIOFUEL CELL; CARBON NANOTUBES; GLUCOSE; DELIGNIFICATION; OXIDATION; ALKALINE; ENZYMES;
D O I：
10.1016/j.bios.2014.06.054
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
A hybrid glucose microfluidic fuel cell composed of an enzymatic cathode (Laccase/ABTS/C) and an inorganic anode (AuAg/C) was developed and tested. The enzymatic cathode was prepared by adsorption of 2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and Laccase on Vulcan XC-72, which act as a redox mediator, enzymatic catalyst and support, respectively. The Laccase/ABTS/C composite was characterised by Fourier Transform Infrared (FTIR) Spectroscopy, streaming current measurements (Zeta potential) and cyclic voltammetry. The AuAg/C anode catalyst was characterised by Transmission electron microscopy (TEM) and cyclic voltammetry. The hybrid microfluidic fuel cell exhibited excellent performance with a maximum power density value (i.e., 0.45 mW cm(-2)) that is the highest reported to date. The cell also exhibited acceptable stability over the course of several days. In addition, a Mexican endemic Laccase was used as the biocathode electrode and evaluated in the hybrid microfluidic fuel cell generating 0.5 mW cm(-2) of maximum power density. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：221 / 226
页数：6
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