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A SPEEK/short-carboxylic multi-walled carbon nanotube composite membrane for vanadium redox flow battery applications

机译:SPEEK /短羧酸多壁碳纳米管复合膜,用于钒氧化还原液流电池应用

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In order to reduce the capacity loss of the vanadium redox flow battery (VRB) while keeping its good cell performance, sulfonated poly(ether ether ketone) (SPEEK)/ short-carboxylic multi-walled carbon nanotube (SCCT) composite membrane(we name it as SPEEK/SCCT membrane) has been fabricated and characterized. The performance of vanadium redox flow battery single cell with SPEEK/SCCT membrane is measured. As a result (Fig.1), the VRB single cell with SPEEK/SCCT membrane shows less capacity loss in comparison with the VRB single cell with Nafion 212 membrane. The VRB single cell with SPEEK/SCCT membrane shows higher coulombic efficiency (CE) and higher energy efficiency (EE) than that with Nafion 212 membrane.
机译:为了减少钒氧化还原液流电池(VRB)的容量损失,同时又保持其良好的电池性能,磺化聚醚醚酮(SPEEK)/短羧酸多壁碳纳米管(SCCT)复合膜(如SPEEK / SCCT膜)已经过制造和表征。测量带有SPEEK / SCCT膜的钒氧化还原液流电池单电池的性能。结果(图1),与带有Nafion 212膜的VRB单电池相比,带有SPEEK / SCCT膜的VRB单电池显示出较少的容量损失。与Nafion 212膜相比,带有SPEEK / SCCT膜的VRB单电池显示出更高的库仑效率(CE)和更高的能量效率(EE)。

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