Hierarchically open-porous nitrogen-incorporated carbon polyhedrons derived from metal-organic frameworks for improved CDI performance
作者： Jiyoung Kim , Jeonghun Kim , Jung Ho Kim , Ho Seok Park
DOI: 10.1016/J.CEJ.2019.122996
关键词: Carbon 、 Chemical engineering 、 Materials science 、 Porosity 、 Capacitive deionization 、 Adsorption 、 Nanoporous 、 Desalination 、 Water treatment 、 Metal-organic framework
摘要: Abstract Capacitive deionization (CDI) is considered as a simple, robust, and environmentally favorable technology for water treatment. High performance electrode materials beyond commercial activated carbons (AC) should be developed the practical application of CDI. Herein, we demonstrate hierarchically open-porous nitrogen-incorporated nanoporous carbon polyhedron (A-NCP) derived from metal-organic frameworks (MOFs) high CDI electrodes. Owing to 3D morphology with open surface, macroporous channels by interlinked particles, electric conductivity doped nitrogen, A-NCP delivers desalination capacity 24.4 mg/g low concentration 100 mg/mL at 1.2 V, revealing faster kinetic than that AC in batch-mode Varying operating conditions such applied voltage, concentration, feed rate saline single-pass experiment, salt adsorption fast ion removal are obtained, achieving position Ragone plot.
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