Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 68, P. 106508 - 106508
Published: Nov. 11, 2024
Language: Английский
Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 68, P. 106508 - 106508
Published: Nov. 11, 2024
Language: Английский
ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 21, 2025
Integrating MnO2 with carbon is a reliable strategy to improve capacitive deionization (CDI) performance by leveraging the unique properties of both components (i.e., and carbon). However, influences preliminary functionalization (e.g., nitrogen doping, KOH activation) pairing cathodes anodes on CDI have yet be systematically explored. Herein, we prepared group MnO2-decorated mesoporous composites as dopant MK-NMCS, K-NMCS, NMCS, CS), evaluated desalination various cathode//anode pairs in hybrid (HCDI) for capturing Na+, Cu2+, Pb2+, respectively. Of all electrodes, MK-NMCS//K-NMCS pair demonstrates optimum based salt adsorption capacity (SAC) cycling stability, offering SAC 25.4 mg g-1 retention 102.4% after 50 consecutive charge-discharge cycles at 1.2 V 500 ppm NaCl solution. In addition, electrodes also show maximum ion (IAC) toward Cu2+ Pb2+ ions compared other pairs, attaining an IAC 37.0 30.0 per gram electrode materials 200 solutions, respectively (cf. 32.2 solution). Besides, these exhibit excellent stability when applied removing each heavy metal separately, retentions 90.0 98.5% ions, Mechanical analysis reveals that metals are likely sequestered via electrosorption carbon, intercalation MnO2, surface complexation external [MnO6] octahedral layers. Our results demonstrated great potential N-doped carbon//prefunctionalized particular, HCDI platforms. Such prefunctionalization strategies very promising screening high-performance composite wastewater remediation.
Language: Английский
Citations
1Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 345, P. 127380 - 127380
Published: April 4, 2024
Language: Английский
Citations
8Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 154130 - 154130
Published: July 19, 2024
Language: Английский
Citations
8Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 500, P. 157441 - 157441
Published: Nov. 1, 2024
Language: Английский
Citations
8Desalination, Journal Year: 2024, Volume and Issue: 586, P. 117837 - 117837
Published: June 14, 2024
Language: Английский
Citations
4Desalination, Journal Year: 2025, Volume and Issue: unknown, P. 118708 - 118708
Published: March 1, 2025
Language: Английский
Citations
0Reviews in Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown
Published: March 18, 2025
Abstract The challenge of freshwater pollution emerges as a paramount concern in the 21st century, necessitating innovative solutions for sustainable water management. Among various technologies, Capacitive Deionization (CDI) stands out an electrochemical method with significant promise due to its environmentally benign nature, cost efficiency, minimal energy requirements, and simplicity electrode regeneration. technology leverages variety carbon-based materials such carbon nanotubes, MOF-derived carbon, bio-derived activated fibers, graphene oxide electrodes. These are selected their superior electrical conductivity, structural flexibility, large surface areas, which crucial efficient removal heavy metals from polluted sources. Nonetheless, reliance electrodes on double-layers adsorption mechanism may limit capacity selectivity towards specific contaminants. This review paper delves into current challenges, optimization strategies, recent progress enhancing efficacy metal ion extraction CDI processes. It further discusses prospective developments derivatives improvement capabilities, providing insightful perspectives advancement pivotal approach addressing issue pollution.
Language: Английский
Citations
0Science China Chemistry, Journal Year: 2025, Volume and Issue: unknown
Published: April 14, 2025
Language: Английский
Citations
0Energy & environment materials, Journal Year: 2025, Volume and Issue: unknown
Published: April 21, 2025
Water scarcity, driven by climate change and population growth, necessitates innovative desalination technologies. Conventional methods for brackish water are limited high‐energy demands, especially in the low salinity range, prompting exploration of electrochemical approaches like faradaic deionization. Sodium‐manganese oxides, traditionally used sodium‐ion batteries, show promise as deionization electrode materials due to their abundance, toxicity, cost‐effectiveness. However, capacity fading during cycling, often caused structural changes, volume expansion, or chemical transformations, remains a critical challenge. This study investigates impact morphology crystal structure on performance commercial synthesized sodium‐manganese oxides applications. Structural characterization three‐electrode cells with low‐concentration electrolytes provided insights into charge storage mechanisms. Rocking‐chair full flow cell experiments demonstrated that mixed‐phase oxide exhibited superior performance, achieving high salt removal 54.5 mg g −1 mean value rate 1.49 min . Notably, maintained 98% retention over 870 cycles, one longest reported cycling this field, effectively mitigating Jahn‐Teller effect. These findings highlight crucial role positioning strong candidate sustainable treatment
Language: Английский
Citations
0Desalination, Journal Year: 2025, Volume and Issue: unknown, P. 118948 - 118948
Published: April 1, 2025
Language: Английский
Citations
0