阳极是限制海底微生物燃料电池输出功率的关键因素,通过改性阳极,可望提高微生物燃料电池性能.本文利用MnSO4氧化还原介体修饰石墨阳极,研究了MnSO4含量对阳极和电池产电性能的影响.结果表明,锰离子可有效加速电子转移,当阳极MnSO4的含量为4%时,阳极性能最好,电池内阻最小,最大输出功率密度为51.64mW/m2,是普通石墨电极的3倍.
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