一种通过将多层生物催化剂固定在高度有序大孔电极上而具有增强性能的生物燃料电池。
A biofuel cell with enhanced performance by multilayer biocatalyst immobilized on highly ordered macroporous electrode.
作者信息
Deng Liu, Wang Fuan, Chen Hongjun, Shang Li, Wang Liang, Wang Tie, Dong Shaojun
机构信息
State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.
出版信息
Biosens Bioelectron. 2008 Oct 15;24(2):329-33. doi: 10.1016/j.bios.2008.04.006. Epub 2008 Apr 15.
A one-compartment glucose/O(2) biofuel cell based on an electrostatic layer-by-layer (LbL) technique on three-dimensional ordered macroporous (3DOM) gold electrode was described. A 3DOM gold electrode was synthesized electrochemically by an inverted colloidal crystal template technique. Then the macroporous gold electrodes were functionalized with Au nanoparticles (AuNPs) and enzyme, glucose dehydrogenase (GDH) or laccase. The (AuNPs/GDH)(n) multilayer modified macroporous gold electrode showed excellent bioelectrocatalytic activity towards glucose. The direct electroreduction towards oxygen was realized at (AuNPs/laccase)(n) films on 3DOM gold electrodes. The maximum power density of the cell with the macroporous film as matrix was 178 microW cm(-2) at 226 mV, which was 16 times larger than that of the biofuel cell with the flat electrode under the same condition. The proposed method is simple and would be applicable to enhance the power output of miniaturized biofuel cell.
描述了一种基于三维有序大孔（3DOM）金电极上的静电逐层（LbL）技术的单室葡萄糖/O₂生物燃料电池。通过倒置胶体晶体模板技术电化学合成了3DOM金电极。然后用金纳米颗粒（AuNPs）和酶、葡萄糖脱氢酶（GDH）或漆酶对大孔金电极进行功能化。（AuNPs/GDH）ⁿ多层修饰的大孔金电极对葡萄糖表现出优异的生物电催化活性。在3DOM金电极上的（AuNPs/漆酶）ⁿ薄膜上实现了对氧气的直接电还原。以大孔膜为基质的电池在226 mV时的最大功率密度为178 μW cm⁻²，是相同条件下平板电极生物燃料电池的16倍。所提出的方法简单，适用于提高小型化生物燃料电池的功率输出。
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