Polyoxometalates (POMs) have been attracting much attention in electrochemistry field owing to their chemical structure and electronic versatility.

• 杂多化合物由于具有良好的可逆氧化还原活性和电催化活性，多数都可发生可逆的一、二电子的氧化还原过程，因而在电化学研究领域有着重要意义。