5Arico A S,Srinivasan S,Antonucci V.DMFCs:from fun-damental aspects to technology development[J].FuelCells,2001,1(2):133-161.
6Kundu A,Jang J H,Gil J H,et al.Micro-fuel cells-currentdevelopment and applications[J].Journal of PowerSources,2007,170(1):67-78.
7Han Jiahua,Liu Hongtan.Real time measurements of methanol crossover in a DMFC[J].Journal of PowerSources,2007,164(1):166-173.
8Xu Chao,Faghri Amir,Li Xianglin,et al.Methanol andwater crossover in a passive liquid-feed direct methanolfuel cell[J].International Journal of Hydrogen Energy,2010,35(4):1769-1777.
9Bezerra Cicero W B,Zhang Lei,Lee Kunchan,et al.A re-view of Fe-N/C and Co-N/C catalysts for the oxygenreduction reaction[J].Electrochimica Acta,2008,53(15):4937-4951.
10Ye Siyu,Vijh Ashok K.Non-noble metal-carbonized aero-gel composites as electrocatalysts for the oxygen reductionreaction[J].Electrochemistry Communications,2003,5(3):272-275.