Lithium plating is a major cause of degradation and in turn capacity fade in lithium-ion batteries. The driving force for lithium plating is dependent on the surface overpotential at the negative electrode. Surface overpotential can be measured by introducing a reference electrode and measuring the potential difference between the anode and the reference electrode. However to minimize this prediction error under different charging conditions, it is important to design a stable and accurate reference electrode. Lithium reference electrodes have been widely used as they give a constant reference potential and are relatively easy to make. The stability and accuracy of a reference electrode depends on the charging rate; the size, shape, and location of the reference electrode; and corrosion reactions occurring at the reference electrode. In this work, we built a 2D electrochemical model to understand the trends in accuracy of prediction of surface overpotential for reference electrodes of different sizes and shapes placed at different locations and including corrosion reactions to explore their stability.