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Comparative effect of REO co-dopant (La, Y, Nd) on ionic conductivity of Gd-doped CeO2 solid electrolyte for IT-SOFC
Soepriyanto S.a, Aristanti Y.a, Theresia T.a, Sulthon M.A.a, Baqir F.a, Minwal W.P.a, Dilasari B.a
a Department of Metallurgical Engineering, Bandung Institute of Technology, Bandung, 40132, Indonesia
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2019, Australian Ceramic Society.The intermediate temperature solid oxide fuel cell (IT-SOFC) is to be realized in shortcoming with the progressing of higher ionic conductivity for electrolyte materials. The CeO2-based electrolyte is known to have a high ionic conductivity and is suitable as a solid electrolyte of IT-SOFC with an operation temperature below 700 °C. CeO2 co-doped with rare earth oxides (REOs) La and Gd (LGDC), Y and Gd (YGDC), and also Nd and Gd (NGDC) were evaluated in this study. Samples were sintered at 1200 °C, 1300 °C, and 1400 °C for 3, 4, and 5 h. The results show that the increased sintering temperature, sintering time, and value of mole % dopant can increase the value of the ionic conductivity. The highest ionic conductivity number of 8.61 × 10−2 S cm−1 was obtained in the NGDC samples with the composition of 20 mol% of dopant at 600 °C.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Co-dopants,Electrolyte material,Intermediate temperature solid oxide fuel cell,IT-SOFCs,Operation temperature,Rare earth oxide,Sintering temperatures,Sintering time[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Ceria-based,Ionic conductivity,IT-SOFC,Rare earth oxide,Solid electrolytes[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1007/s41779-019-00332-8[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]