《Table 1Rp values of SOECs with the LSCF and 10GDC/LSCF anodes at 1.6 V for various operating temper

《Table 1Rp values of SOECs with the LSCF and 10GDC/LSCF anodes at 1.6 V for various operating temper   提示：宽带有限、当前游客访问压缩模式
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《Gd_(0.2)Ce_(0.8)O_(1.9)纳米颗粒对固体氧化物电解池La_(0.6)Sr_(0.4)Co_(0.2)Fe_(0.8)O_(3-δ)阳极析氧反应的影响（英文）》


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EIS measurements for the SOECs were performed to investigate the electrode reactions involved in CO2 electroreduction.Fig.5 displays the EIS of the SOECs with the LSCF and10GDC/LSCF anodes for various electrolysis voltages and operating temperatures.In general，the high-frequency intercept of the EIS on the x-axis（Z’=0）represents the Ohmic resistance（Rohm）of the operating SOEC，which is strongly dependent on the thickness of the YSZ electrolyte.Meanwhile，the distance between the highest and lowest frequency intercepts of the EIS on the x-axis（Z’=0）corresponds to the electrode polarization resistance（Rp），which mainly originates from the electrode reactions.Owing to the same YSZ electrolyte being employed，Rohm only shows a slight change before and after GDC nanoparticle introduction under the same conditions as those observed in Fig.5（a）and（b）.Notably，Rp presents distinct changes when different anodes are used for the SOECs.The higher the electrolysis voltage，the smaller is the Rp value.At 800°C，the SOEC with the 10GDC/LSCF anode displays Rp values of 0.225，0.288，0.389，and 0.625Ωcm2 at 1.6，1.4，1.2，and 1.0 V respectively，which are only 54%，53%，51%，and 55%of those of the SOEC with the conventional LSCF anode.The influence of operating temperature on Rohm and Rp are illustrated in Fig.5（c）and（d）.Apparently，a high temperature favors the reduction of Rohm and Rp.To compare the differences between the LSCF and10GDC/LSCF anodes，the Rohm and Rp values are listed in Table1.SOECs with different anodes reveal similar Rohm at the same operating temperature.However，compared with the conventional LSCF anode，the 10GDC/LSCF anode enables the SOEC to achieve a much lower Rp.The EIS results suggest that the Rp of the SOEC is greatly reduced through the introduction of GDC nanoparticles in the LSCF anode owing to the enhanced OER on the GDC/LSCF anode.

图表编号XD008194800    严禁用于非法目的
绘制时间2018.09.01
作者关放、张小敏、宋月锋、周莹杰、汪国雄、包信和
绘制单位中国科学院大连化学物理研究所催化基础国家重点实验室、中国科学院大连化学物理研究所洁净能源国家实验室(筹)、中国科学院大学、中国科学院大连化学物理研究所催化基础国家重点实验室、中国科学院大连化学物理研究所洁净能源国家实验室(筹)、中国科学院大连化学物理研究所催化基础国家重点实验室、中国科学院大连化学物理研究所洁净能源国家实验室(筹)、中国科学院大学、中国科学院大连化学物理研究所催化基础国家重点实验室、中国科学院大连化学物理研究所洁净能源国家实验室(筹)、中国科学院大连化学物理研究所催化基础国家重点实验室、中
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