Bioelectronics & Microsystems Laboratory, Department of Electrical & Computer Engineering, State University of New York at Binghamton, 4400 Vestal Pkwy, Binghamton, NY 13902, USA.
Bioelectronics & Microsystems Laboratory, Department of Electrical & Computer Engineering, State University of New York at Binghamton, 4400 Vestal Pkwy, Binghamton, NY 13902, USA.
Biosens Bioelectron. 2016 Sep 15;83:27-32. doi: 10.1016/j.bios.2016.04.025. Epub 2016 Apr 11.
We developed a stackable and integrable paper-based microbial fuel cell (MFC) for potentially powering on-chip paper-based devices. Four MFCs were prepared on a T-shaped filter paper which was eventually folded three times to connect these MFCs in series. Each MFC was fabricated by sandwiching multifunctional paper layers for two-chambered fuel cell configuration. One drop of bacteria-containing anolyte into the anodic inlet and another drop of potassium ferricyanide for cathodic reaction flowed through patterned fluidic pathways within the paper matrix, both vertically and horizontally, reaching each of the four MFCs and filling the reservoir of each device. Bacterial respiration then transferred electrons to the anode, which traveled across an external load to the cathode where they combined with protons. The MFC stack connected in series generated a high power density (1.2μW/cm(2)), which is two orders of magnitude higher than the previous report on the paper-based MFC stack. This work will represent the fusion of the art of origami and paper-based MFC technology, which could provide a paradigm shift for the architecture and design of paper-based batteries.
我们开发了一种可堆叠和集成的基于纸张的微生物燃料电池（MFC），可潜在地为基于纸张的片上设备供电。在 T 形滤纸（最终折叠三次以串联连接这些 MFC）上制备了四个 MFC。每个 MFC 都是通过夹在多功能纸张层之间制造的，用于双室燃料电池配置。一滴含细菌的阳极电解液和另一滴用于阴极反应的铁氰化钾通过纸张基质中的图案化流体通道垂直和水平流动，到达四个 MFC 中的每一个，并填满每个设备的储液器。细菌呼吸然后将电子转移到阳极，电子通过外部负载流向阴极，在阴极与质子结合。串联连接的 MFC 堆产生了高的功率密度（1.2μW/cm(2)），比以前关于基于纸张的 MFC 堆的报告高两个数量级。这项工作将代表折纸艺术和基于纸张的 MFC 技术的融合，这可能为基于纸张的电池的架构和设计带来范式转变。
