Research into producing electrode materials has increasingly focused on addressing the issues of durability experienced by electrode materials. There is a new configuration developing for the growing SOFC market. Symmetrical solid oxide fuel cells (S-SOFC) are a very new and innovative kind of fuel cell. S-SOFCs may be made practical by integrating lithiated nickel oxide-based materials, which are often used for lithium-ion battery applications. Accordingly, the focus of these studies will be on fundamental research, in particular the characterisation and chemical performance of lithiated nickel doped ruthenium (abbreviated as LN1-xRxO2 (x = 0.1,0.2, and 0.3). The LNRO-based powder was analysed in both oxidising and reducing environments to replicate the operating conditions of a dual-functioning electrode. The screen-printed LNRO/SDC/LNRO symmetrical cell was then subjected to 2 h of heat treatment at 800 °C. Additionally, the electrode's electrical conductivity and EIS analysis were performed on the samples. In a oxidised environment (H2:N2 gas mixture), LNR1, LNR2, and LNR3 have activation energies of 0.08, 0.07, and 0.09 eV, respectively; in a reduced environment (humidified air), these values are 0.22, 0.13, and 0.18 eV. Meanwhile, the best sample LNR2′s ASR value, determined by EIS analysis, is 6.123 Ω cm2 in air and 2.250 Ω cm2 in a reduced environment at 800 °C. This result proved that the dopant used in LNR2 has great promise as an electrode for the S-SOFC application, which is more than merely a means to enhance SOFC performance.