Chloro-iridium acid is an important chemical catalyst and iridium raw material, which is used to manufacture coated electrodes and catalyze the electrochemical synthesis of polyaniline on the surface of non-precious metal electrodes. Chloro-iridium acid also has important applications in the field of electrochemistry, often used in the manufacture of batteries and fuel cells, because of its superior electrocatalytic properties, improving the efficiency and stability of batteries. In addition, chloro-iridium acid can accelerate the formation of complex organic molecules in organic synthesis and promote the development of new drugs and new materials. ‌