Several problems, such as poor micro-machinability of graphite, corrodibility and high density of metal, rise when the conventional materials such as graphite and metal applied in micro fuel cells.

• 传统的石墨、金属等材料用于微型燃料电池时产生了不少问题，如石墨材料微加工性能差，金属易腐蚀、密度较大等不利于应用于便携式设备。