Cyclic charge-discharge behaviour of sintered plate cadmium electrodes in the presence of organic additives

The effect of some organic additives on the capacity performance of sintered plate cadmium electrodes has been studied. The additives under investigation were 1,2,3-benzotriazole (BTA), imidazole (IDA) and polyvinyl alcohol (PVA). It has been observed that these compounds minimize the capacity fall during the early cycles. IR spectra results indicate that cadmium (II) is complexed with azole compounds and SEM photographs supplement the results.