Detection of colour centres in beta alumina by thermoluminescence (IM-MS-017)

Most beta alumina electrolyte failures (in both sodium/sulphur and sodium/sodium tests) in early B.R. material were due to "dendritic" penetration and cracking. A typical example is shown in Figure 1. In this material a high beta"/beta ratio was achieved by the addition of 2.0% MgO and 0.5% Li2O. However,...