首页> 外文期刊>Journal of power sources >Statistical optimization of process parameters in microbial fuel cell for enhanced power production using Sulphonated Polyhedral Oligomeric Silsesquioxane dispersed Sulphonated Polystyrene Ethylene Butylene Polystyrene nanocomposite membranes
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Statistical optimization of process parameters in microbial fuel cell for enhanced power production using Sulphonated Polyhedral Oligomeric Silsesquioxane dispersed Sulphonated Polystyrene Ethylene Butylene Polystyrene nanocomposite membranes

机译:微生物燃料电池工艺参数的统计优化,采用磺化多面体低聚硅氧烷分散的磺化聚苯乙烯乙烯丁烯聚苯乙烯纳米复合膜

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摘要

Novel Proton Exchange Membranes (PEMs) comprising Sulphonated Polyhedral Oligomeric Silsesquioxane (SPOSS) incorporated on Sulphonated Polystyrene Ethylene Butylene Polystyrene (SPSEBS) nanocomposites are prepared in different weight percentage of nano fillers (2-8%) by solution casting method. The successful sulphonation of the SPSEBS and SPOSS is confirmed by various characterization techniques. SPSEBS +6% SPOSS membrane exhibit the highest IEC value, water uptake and proton conductivity. Response Surface Methodology (RSM) is used to determine the effect of pH, substrate concentration and variation in anode material with SPSEBS + 6% SPOSS membrane for the performance in a fabricated tubular Microbial Fuel Cell (MFC) of 300 mL volume. The ideal concentration of each parameter is investigated and from the optimized conditions the highest maximum power density of 126 mW/m2 is obtained in STAT 13 at pH 7 with 75% substrate concentration using graphite rod as an electrode material after 3 weeks of operation time. In addition, initial biofilm studies are performed. The results of this study suggest a regression equation for optimizing the process parameters in addition to a new hybrid nanocomposite membrane fabricated for the first time which could be an appropriate PEM for the MFC system.
机译:通过溶液浇铸方法以不同的重量百分比的纳米填料(2-8%)制备包含在磺化聚苯乙烯乙烯丁烯聚苯乙烯(SpseS)纳米复合材料上的新型质子交换膜(PEMS)。通过各种表征技术确认了SpseBS和擦拭物的成功磺化。 Spsebs + 6%的刮膜表现出最高的IEC值,水吸收和质子电导率。响应面方法(RSM)用于确定具有阳极材料的pH,底物浓度和阳极材料的变化,用于在300ml体积的制造管状微生物燃料电池(MFC)中的性能。研究了每个参数的理想浓度,并从优化条件下,在统计学13处在pH7的统计学13中获得最高最大功率密度,在PH7的底物浓度下,使用石墨棒作为电极材料在操作时间3周后。此外,进行初始生物膜研究。该研究的结果表明,除了第一次制造的新型杂交纳米复合材料膜之外,还提供了用于优化工艺参数的回归方程,这是MFC系统的适当PEM。

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