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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.12
- 수록면
- 11 - 19 (9page)
이용수
초록· 키워드
오류제보하기
Prussian blue analogue (PBA) electrodes are widely used cation-selective electrodes for electrochemical desalination technologies due to their high specific capacity rates and fast kinetic properties. Despite the fact that previous studies of PBAs for electrochemical desalination have shown remarkable desalination capacity levels, they remain insufficient if used to desalt highly concentrated salt water such as seawater. Here, we applied highly crystalline sodium cobalt hexacyanoferrate (NaCoHCF) electrodes, a type of PBA that can utilize two redox active sites, to a rocking-chair capacitive deionization (RCDI) process. The specific capacity of the NaCoHCF electrode using two redox active sites was 88 mAh g<SUP>-1</SUP> (active material: 110 mAh g<SUP>-1</SUP>), confirmed to be 1.5 times higher than that of PBA electrode that use one redox active site. As a result of desalination tests, this system achieved a high desalination capacity of 123 mg g<SUP>-1</SUP> (active material: 154 mg g-1) with 88% ion removal in a 500 mM NaCl solution. The results of this study present a considerable increase in the desalination capacity through the introduction of NaCoHCF electrodes that utilize two redox active sites in the RCDI system.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (34)
참고문헌 신청
Elimelech M, Phillip WA. The future of seawater desalination: Energy, technology, and the environment. Science. 2011;333(6043):712-717. https://doi.org/10.1126/science.1200488
Li T, Ba X, Wang X, et al. MIL-53(Fe)@γ-Al2O3 nanocomposites incorporated cellulose acetate for forward osmosis membranes of high desalination performance. Environ. Eng. Res. 2023;28(1):210448. https://doi.org/10.4491/eer.2021.448
Suss ME, Porada S, Sun X, Biesheuvel PM, Yoon J, Presser V. Water desalination via capacitive deionization: What is it and what can we expect from it? Energy Environ. Sci. 2015;8(8):2296-2319. https://doi.org/10.1039/c5ee00519a
Yoon H, Lee J, Kim S, Yoon J. Review of concepts and applications of electrochemical ion separation (EIONS) process. Sep. Purif. Technol. 2019;215:190-207. https://doi.org/10.1016/j.seppur.2018.12.071
Srimuk P, Su X, Yoon J, Aurbach D, Presser V. Charge-transfer materials for electrochemical water desalination, ion separation and the recovery of elements. Nature Rev. Mater. 2020;5(7):517-538. https://doi.org/10.1038/s41578-020-0193-1
Li T, Ba X, Wang X, et al. MIL-53(Fe)@γ-Al2O3 nanocomposites incorporated cellulose acetate for forward osmosis membranes of high desalination performance. Environ. Eng. Res. 2023;28(1):210448. https://doi.org/10.4491/eer.2021.448
Suss ME, Porada S, Sun X, Biesheuvel PM, Yoon J, Presser V. Water desalination via capacitive deionization: What is it and what can we expect from it? Energy Environ. Sci. 2015;8(8):2296-2319. https://doi.org/10.1039/c5ee00519a
Yoon H, Lee J, Kim S, Yoon J. Review of concepts and applications of electrochemical ion separation (EIONS) process. Sep. Purif. Technol. 2019;215:190-207. https://doi.org/10.1016/j.seppur.2018.12.071
Srimuk P, Su X, Yoon J, Aurbach D, Presser V. Charge-transfer materials for electrochemical water desalination, ion separation and the recovery of elements. Nature Rev. Mater. 2020;5(7):517-538. https://doi.org/10.1038/s41578-020-0193-1
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