利用ZrO2 固体电解质研究Na3AlF6-SiO2 熔盐中的电沉积
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高运明, 何林, 秦庆伟, 李光强
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ZrO2 Solid Electrolyte Aided Investigation on Electrodeposition in Na3AlF6-SiO2 Melt
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GAO Yunming, HE Lin, QIN Qingwei, LI Guangqiang
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表1 相关氧化物的化学反应式以及1323 K温度下的标准Gibbs能(ΔGΘ)和电位等数据[33]
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Table 1 Chemical reactions involving oxides and standard Gibbs energy (ΔGΘ) and potential data at 1323 K[33]
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| No. | Chemical reaction | ΔGΘ / (kJ·mol-1) | EΘ / V | E / V |
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| 1 | 2Fe + 1.5O2 = Fe2O3 | -483 | 0.84 | -0.79 | | 2 | 3Fe + 2O2 = Fe3O4 | -696 | 0.90 | -0.86 | | 3 | 2Fe + O2 = 2FeO | -358 | 0.93 | -0.88 | | 4 | 4Na(g) + O2 = 2Na2O | -429 | 1.11 | -1.07 | | 5 | Si + O2 = SiO2 | -675 | 1.75 | -1.70 | | 6 | 2Al + 1.5O2 = Al2O3 | -1255 | 2.17 | -2.12 | | 7 | Zr + O2 = ZrO2 | -842 | 2.18 | -2.13 | | 8 | 2Y + 1.5O2 = Y2O3 | -1524 | 2.63 | -2.59 | | 9 | Zr5Si4 + 5O2 = 4Si + 5ZrO2 | -3550 | 1.84 | -1.79 | | 10 | Zr5Si4 + 9O2 = 4SiO2 + 5ZrO2 | -6248 | 1.80 | -1.75 |
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