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由乙二胺四乙酸衍生的低成本金属氮碳（Me = Fe或Co）电催化剂在直接甲醇燃料电池（DMFC）中的应用。

Application of Low-Cost Me-N-C (Me = Fe or Co) Electrocatalysts Derived from EDTA in Direct Methanol Fuel Cells (DMFCs).

作者信息

Lo Vecchio Carmelo, Aricò Antonino Salvatore, Baglio Vincenzo

机构信息

C.N.R., Istituto di Tecnologie Avanzate per l'Energia "Nicola Giordano" (ITAE), Via Salita Santa Lucia sopra Contesse, 5, 98126 Messina, Italy.

出版信息

Materials (Basel). 2018 Jul 12;11(7):1193. doi: 10.3390/ma11071193.

DOI:10.3390/ma11071193
PMID:30002292
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6073984/
Abstract

Co-N-C and Fe-N-C electrocatalysts have been prepared by mixing Fe or Co precursors, ethylene diamine tetra acetic acid (EDTA) as a nitrogen source, and an oxidized carbon. These materials were thermally treated at 800 °C or 1000 °C under nitrogen flow to produce four samples, named CoNC8, CoNC10, FeNC8, and FeNC10. They have been physicochemically characterized by X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). Direct methanol fuel cell (DMFC) analyses have been carried out to investigate the performance of the nonprecious cathode catalysts, using a low amount of Pt (0.7 mg/cm²) at the anode side. It appears that FeNC8 is the best performing low-cost cathode catalyst in terms of higher oxygen reduction reaction activity and methanol tolerance.

摘要

通过混合铁或钴前驱体、作为氮源的乙二胺四乙酸（EDTA）和一种氧化碳，制备了Co-N-C和Fe-N-C电催化剂。这些材料在氮气流下于800℃或1000℃进行热处理，以制备四个样品，分别命名为CoNC8、CoNC10、FeNC8和FeNC10。通过X射线光电子能谱（XPS）和透射电子显微镜（TEM）对它们进行了物理化学表征。使用阳极侧少量的铂（0.7mg/cm²）进行了直接甲醇燃料电池（DMFC）分析，以研究非贵金属阴极催化剂的性能。就更高的氧还原反应活性和甲醇耐受性而言，FeNC8似乎是性能最佳的低成本阴极催化剂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/ff94fcc819bb/materials-11-01193-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/d92c8289912d/materials-11-01193-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/734acee7d16c/materials-11-01193-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/1749d42167d9/materials-11-01193-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/b0a3d994f087/materials-11-01193-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/0e36b3b60e09/materials-11-01193-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/bb72dea5fe58/materials-11-01193-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/ff94fcc819bb/materials-11-01193-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/d92c8289912d/materials-11-01193-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/78b88ecb2f3e/materials-11-01193-g002a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/25a454bed9a5/materials-11-01193-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/6eb2f9dd0f8d/materials-11-01193-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/734acee7d16c/materials-11-01193-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/1749d42167d9/materials-11-01193-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/b0a3d994f087/materials-11-01193-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/0e36b3b60e09/materials-11-01193-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/bb72dea5fe58/materials-11-01193-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fe8b/6073984/ff94fcc819bb/materials-11-01193-g010.jpg

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