Three-dimensional graphene network deposited with mesoporous nitrogen-doped carbon from non-solvent induced phase inversion for high-performance supercapacitors.

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ID: 59082
2019
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Abstract
Three-dimensional graphitic carbon materials with controllable composition and hierarchically porous structure are promising electrode materials for supercapacitors. In this work, a modified phase inversion method combined with a calcination process was developed to prepare three-dimensional graphene networks embedded with nitrogen-doped carbon nanoparticles. When used as electrode for supercapacitors, the as-prepared material delivered a high capacitance of 431.9 F g at 0.1 A g and 156.8 F g at 20 A g, as well as a stable cyclic behavior with no capacitance decay after 5000 cycles. Such a remakable capacitive performance was attributed to its hierarchically porous structure and proper nitrogen doping content (9.68 ± 0.24 at%), which facilitated the migration of electrolyte ions and provided abundant redox active sites for the faradic reactions. The synthetic strategy may be exploited for the rational design and synthesis of new carbon materials with controlled doping level and three-dimensional porous structure.
Reference Key
kong2019threedimensionaljournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kong, Lirong;Ma, Qiang;Xu, Zhongyun;Shen, Xiaoping;Wang, Jianyue;Zhu, Jun;
Journal Journal of colloid and interface science
Year 2019
DOI
S0021-9797(19)31138-5
URL
Keywords
hierarchical structure Supercapacitor porous carbon nitrogen-doping phase inversion

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