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The cost of electrode materials is one of the most important factors limiting the scale of microbial fuel cells (MFCs). In this study, a novel double-sided cloth (DC) without diffusion layer is using as air-cathode, which decreases the cost and simplifies electrode production process. Using Pt as catalyst, the maximum power density of MFC using DC cathode is 0.70 ± 0.02 W m−2, which is similar to that obtained using carbon cloth (CC) cathodes (0.66 ± 0.01 W m−2). After running in stable status, the Coulombic efficiencies (CEs) (18 ± 1%) and COD removal rates (75 ± 3%) are almost the same as those of CC cathode with diffusion layers. Using carbon powder as catalyst on the DC cathode, the maximum powder density is 0.41 ± 0.01 W m−2, with a COD removal rate of 66 ± 2% and a CE of 13.9 ± 0.5%. The total cost of cathode based on power output decreases as follows: CC with Pt (CC-Pt, 2652$ W−1), DC with Pt (DC-Pt, 1007$ W−1) and DC with carbon powder (DC-C, 22$ W−1), showing that DC is an inexpensive and promising cathode material for future applications.  相似文献   
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刘毓劼 《住宅科技》2002,(10):40-41,46
中国传统民居是中国传统建筑的重要类型之一,我国不同地区,不同民族,因其自然条件,风俗习惯及文化传统的差异,使得各地的民居体现出多姿多彩的形象。  相似文献   
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