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二氧化锰为阴极催化剂的微生物燃料电池 被引量:12

Microbial fuel cell using manganese dioxide as cathodic oxygen reducing catalyst
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摘要 以循环伏安法(CV)和线性扫描伏安法(LSV)考察MnO2对氧还原反应(ORR)的催化行为,并采用MnO2作为阴极氧还原催化剂构建微生物燃料电池(MFC)。结果表明,MnO2对ORR有显著的催化作用,而且其催化效果随电解质碱性增强而增强;当以肺炎克雷伯氏菌(L17)为产电微生物、3g/L葡萄糖为燃料、1mol/LKOH溶液为阴极液时,该MFC的最大输出功率可达696.3mW/m2,对应电流密度为0.25mA/cm2。 A two-chamber microbial fuel cell (MFC) was designed without any redox mediator, in which manganese dioxide (MnO2) was applied as the cathodic catalyst of oxygen reduction reaction (ORR) and Klebsiella pneumoniae as the electricigenic microorganism in anode chamber. When using 3 g/L glucose solution as anodic fuel and 1 mol/L KOH solution as catholyte, the maximum output power of MFC attained to 696.3 mW/m^2, with the corresponding current density of 0.25 mA/cm^2.
出处 《电源技术》 CAS CSCD 北大核心 2008年第12期838-840,844,共4页 Chinese Journal of Power Sources
基金 国家自然科学基金(20573039) 科技部国际科技合作重点项目计划(2005DFA60580) 广东省攻关项目(2005B50101003)
关键词 微生物燃料电池 阴极催化剂 氧还原反应 二氧化锰 microbial fuel cell cathodic catalyst oxygen reducing reaction manganese dioxide
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参考文献11

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