Citation: Ping TANG, Yang LUO, Hong-Ying XUE, Jing-He BAI, Xiao-Fei ZHU, De-Feng ZHOU. Effects of BiVO4 Doping on Microstructure and Performance of Nd0.2Ce0.8O1.9 Electrolytes[J]. Chinese Journal of Inorganic Chemistry, ;2021, 37(12): 2141-2148. doi: 10.11862/CJIC.2021.245 shu

Effects of BiVO4 Doping on Microstructure and Performance of Nd0.2Ce0.8O1.9 Electrolytes

Figures(7)

  • Sol-gel method was applied to prepare BiVO4 (BV) and Nd0.2Ce0.8O1.9 (NDC) powders. The effects of BV doping on microstructure, morphology and electrical properties of NDC electrolyte were studied. The results of experiments revealed that Nd0.2Ce0.8O1.9 electrolyte showed a highly dense microstructure. At 700℃, the total conductivity (σt) of NDC-5BV electrolyte was 3.35×10-2 S·cm-1. The polarization resistance (Rp) was reduced by more than 34% at 700℃. The maximum power density (MPD) of the single cell reached up to 514 mW·cm-2 at 700℃. During the operation time for 70 h, the open circuit voltage (OCV) can be maintained good stability.
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