At last, in the study of the durability of the whole CCM, we had designed four accelerating systems, H_2O, 10%H_2O_230%H_2O_2 and H_2O_2/Fe~(2+) .

• 最后再在此基础上对优化结构后的CCM做了加速退化实验,主要设计了H_2O,10%25H_2O_2,30%25H_2O_2和H_2O_2/Fe~(2+)四种加速体系。