Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 28, Pages 18027-18035Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b03704
Keywords
carbon; resin; 3D hierarchical carbon architectures; capacitor; electrodes
Funding
- National Basic Research Program of China (973 Program) [2014CB660803]
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In this work, 3D hierarchical carbon architectures (3DHCAs) with micro-, meso-, and macropores were prepared via a simple self-blowing strategy as highly efficient electrodes for a flow-through deionization capacitor (FTDC). The obtained 3DHCAs have a hierarchically porous structure, large accessible specific surface area (2061 m(2) g(-1)), and good wettability. The electrochemical tests show that the 3DHCA electrode has a high specific capacitance and good electric conductivity. The deionization experiments demonstrate that the 3DHCA electrodes possess a high deionization capacity of 17.83 mg g(-1) in a 500 mg L-1 NaCl solution at 1.2 V. Moreover, the 3DHCA electrodes present a fast deionization rate in 100-500 mg L-1 NaCl solutions at 0.8-1.4 V. The 3DHCA electrodes also present a good regeneration behavior in the reiterative regeneration test. These above factors render the 3DHCAs a promising FTDC electrode material.
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