Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing 400030, China; Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China.
Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing 400030, China; Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China.
Bioresour Technol. 2017 Oct;241:325-331. doi: 10.1016/j.biortech.2017.05.063. Epub 2017 May 15.
In this paper, we proposed a simple method for preparing a binder-free air-cathode using carbonized kraft paper as the support and iron (II) phthalocyanine (FePc) as the catalyst. The results indicated that the oxygen reduction reaction (ORR) performance of the air-cathodes was dependent on the fabrication steps. A cathode (KP-HT-FePc-HT) fabricated by pyrolyzing kraft paper at 1000°C followed by FePc heat treatment at 700°C showed the highest P of 830±31mWm compared to FePc/KP-HT (363±48mWm) prepared by direct pyrolysis. X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Raman spectroscopy and electrochemical tests showed that the superior electrocatalytic activity of KP-HT-FePc-HT was attributable to its higher content of pyridinic-N. This study demonstrated that the FePc/KP-based binder-free air-cathode had the advantages of low cost, easy fabrication, environmental benefits, and good scalability and therefore could serve as a good alternative for the air-cathode of MFCs.
本文提出了一种以碳化牛皮纸为支撑体、铁(II)酞菁（FePc）为催化剂的无粘结剂空气阴极的简单制备方法。结果表明，空气阴极的氧还原反应（ORR）性能取决于制备步骤。与直接热解制备的 FePc/KP-HT（363±48mWm）相比，在 1000°C 下碳化牛皮纸，然后在 700°C 下进行 FePc 热处理制备的阴极（KP-HT-FePc-HT）表现出最高的 P 值 830±31mWm。X 射线光电子能谱（XPS）、X 射线衍射（XRD）、拉曼光谱和电化学测试表明，KP-HT-FePc-HT 具有更高的吡啶-N 含量，从而具有优异的电催化活性。本研究表明，基于 FePc/KP 的无粘结剂空气阴极具有成本低、易于制备、环境效益好、良好的可扩展性等优点，因此可以作为 MFC 空气阴极的良好替代品。
