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Internal Methane Reforming High Temperature Proton Conductor (HTPC) Fuel Cells

机译:内部甲烷重整高温质子导体(HTPC)燃料电池

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High temperature proton conductor (HTPC) based fuel cells directly fed with methane mixtures were investigated. Doped barium zirconate was chosen as the electrolyte because of its good chemical stability in CO_2 and H_2O containing atmosphere. The sintering temperature of doped barium zirconate was decreased down to 1350°C by doping with 1 wt% ZnO. A co-pressing method was used for fabricating anode supported single cell. Flat and reproducible bottom cell of NiO BZYZn / BZYZn / LSCF were produced. OCV measurements, Ⅰ-Ⅴ curves, and impedance spectra were recorded in the 600-700°C temperature range. The addition of carbon dioxide to methane improved SOFC stability by suppressing coking in Ni anodes.
机译:研究了直接供给甲烷混合物的高温质子导体(HTPC)基燃料电池。选择掺杂锆酸钡作为电解质,是因为其在含CO_2和H_2O的气氛中具有良好的化学稳定性。通过掺杂1重量%的ZnO,将掺杂的锆酸钡的烧结温度降低至1350℃。共压方法用于制造阳极支撑的单电池。制备了NiO BZYZn / BZYZn / LSCF底部扁平且可重现的底部电池。在600-700°C温度范围内记录OCV测量值,Ⅰ-Ⅴ曲线和阻抗谱。向甲烷中添加二氧化碳可通过抑制Ni阳极的焦化来提高SOFC稳定性。

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