Journal
MICROMACHINES
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/mi12101148
Keywords
AC/Fe2O3; hydrothermal; electrode; capacitive deionization
Categories
Funding
- National Research Council of Science & Technology (NST) grant by the Korea government (MSIT) [CRC-20-02-KIST]
- National Research Council of Science & Technology (NST), Republic of Korea [CRC-20-02-KIST] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The study designed AC/Fe2O3 nanoparticles as electrodes in CDI, showing promising performance in the process.
Capacitive deionization (CDI) technology is currently considered a potential candidate for brackish water desalination. In this study, we designed iron oxide nanoparticle-incorporated activated carbon (AC/Fe2O3) via a facile and cost-effective hydrothermal process. The as-synthesized material was characterized using several techniques and tested as electrodes in CDI applications. We found that the distinctive properties of the AC/Fe2O3 electrode, i.e., high wettability, high surface area, unique structural morphology, and high conductivity, resulted in promising CDI performance. The electrosorptive capacity of the AC/Fe2O3 nanocomposite reached 6.76 mg g(-1) in the CDI process, with a high specific capacitance of 1157.5 F g(-1) at 10 mV s(-1) in a 1 M NaCl electrolyte. This study confirms the potential use of AC/Fe2O3 nanocomposites as viable electrode materials in CDI and other electrochemical applications.
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