Cu@Cu2O/carbon for efficient desalination in capacitive deionization

Microporous Organic Network: Superhydrophobic Coating to Protect Metal–Organic Frameworks from Hydrolytic Degradation

“…To prove the successful combination of the MOF-199 and FMON coatings, Fourier transform infrared (FT-IR) measurements were performed (Figures C and S2C). The characteristic FMON bands at 3041 (−CC–H), 2218 (−CC−), 1502 (−CC−), and 1100 cm –1 (−C–F) were observed along with the characteristic MOF-199 bands at 1634 (C–O), 1378 (O–C–O), 762, and 728 cm –1 (Cu-substituted hydrogen atoms on the benzene ring), confirming the successful coating of FMON onto MOF-199 . The N 2 adsorption–desorption isotherms showed that pristine MOF-199 and FMON had similar type I adsorption isotherms with microporous structures, and their Brunauer–Emmett–Teller (BET) surface areas were 1391.8 and 940.4 m 2 g –1 , respectively (Figure D) .…”

“…To prove the successful combination of the MOF-199 and FMON coatings, Fourier transform infrared (FT-IR) measurements were performed (Figures 3C and S2C). 48 The N 2 adsorption−desorption isotherms showed that pristine MOF-199 and FMON had similar type I adsorption isotherms with microporous structures, and their Brunauer−Emmett−Teller (BET) surface areas were 1391.8 and 940.4 m 2 g −1 , respectively (Figure 3D). 49 After FMON modification, hysteresis loops were observed, and the isotherms of MOF-199@FMONs became type IV, likely because the FMON coating limited the kinetics of gas diffusion.…”

MXene‐Based Capacitive Deionization–Strong Competitor Among Faradaic Electrode Systems: Current Status and Future Perspectives

“…(ii) Fe 2 O 3 @N‐CNFs coupled with Cl − capturing NiCo LDH@N‐CNFs showed SAC/ASAR as high as 114.97 mg g −1 /~5.75 mg g −1 min −1 in 500 mg L −1 NaCl solution at 1.2 V [191] . (iii) Cu@Cu 2 O/C‐1100//AC HCDI device showed an excellent SAC of 86.3 mg g −1 @ 0.02 A g −1 [192] . Here again, an excellent desalination performance is noticeable when the TMOs containing other Faradaic electrodes are applied in specific cell architecture or with the unconventional Cl − capturing anode (Table S2).…”

Chinese dumpling-like NaTi2(PO4)3/MXene@reduced graphene oxide for capacitive deionization with high capacity and good cycling stability

“…24 To solve the above problems, combining highly conductive carbon materials with ion insertion hosts is a feasible strategy. 25–29 For instance, the NTP/rGO composite material exhibited an enhanced SAC of about 120 mg g −1 at a specific current of 0.1 A g −1 , while the SAC of unmodified NTP was only approximately 75 mg g −1 . 18 Nevertheless, the post physical mixing of carbon-based materials cannot change the original properties of cation insertion hosts in essence, and still, improving the intrinsic electrical conductivity of NASICON materials based on rational material design remains a great challenge in CDI.…”