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WANG Xin-zheng, PAN Li-kun, LI Mao-gang, CHEN Yi-wei, CHENG Rong-ming, HUANG Su-mei, SUN Zhuo. Capacitive Deionization with Carbon Nanotubes Film Electrodes (Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2007, (3): 119-126.
Citation:
WANG Xin-zheng, PAN Li-kun, LI Mao-gang, CHEN Yi-wei, CHENG Rong-ming, HUANG Su-mei, SUN Zhuo. Capacitive Deionization with Carbon Nanotubes Film Electrodes (Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2007, (3): 119-126.
WANG Xin-zheng, PAN Li-kun, LI Mao-gang, CHEN Yi-wei, CHENG Rong-ming, HUANG Su-mei, SUN Zhuo. Capacitive Deionization with Carbon Nanotubes Film Electrodes (Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2007, (3): 119-126.
Citation:
WANG Xin-zheng, PAN Li-kun, LI Mao-gang, CHEN Yi-wei, CHENG Rong-ming, HUANG Su-mei, SUN Zhuo. Capacitive Deionization with Carbon Nanotubes Film Electrodes (Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2007, (3): 119-126.
Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai 200062, China
Carbon nanotubes (CNTs) films electrodes were fabricated by low pressure and low temperature thermal chemical vapor deposition (CVD) for capacitive deionization (CDI) application. The CNTs films were mainly composed of mesopores (2~50 nm) and a small portion of macropores (50 nm). The pore size distribution was optimal for CDI application. The CDI capacity was also dependent on working parameters: Higher ions removal is achieved with higher applied voltage and an optimal flow rate. The CDI capacity is dependent on ions properties: monovalent ions with smaller hydrated radii are preferentially removed from water.
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