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Breaking Anionic Solvation Barrier for Safe and Durable Potassium-ion Batteries Under Ultrahigh-Voltage Operation.
Angew Chem Int Ed Engl
January 2025
Northeast Normal University, Faculty of Chemistry, Remin Street 5268, 130024, Changchun, CHINA.
Ultrahigh-voltage potassium-ion batteries (PIBs) with cost competitiveness represent a viable route towards high energy battery systems. Nevertheless, rapid capacity decay with poor Coulombic efficiencies remains intractable, mainly attributed to interfacial instability from aggressive potassium metal anodes and cathodes. Additionally, high reactivity of K metal and flammable electrolytes pose severe safety hazards.
View Article and Find Full Text PDFThe effect of introducing fluorine doping and sulfur vacancies on SnS as the anode electrode of LIBs: a density functional theory study.
Phys Chem Chem Phys
January 2025
School of Electromechanical and Information Engineering, PuTian University, Putian Fujian 351100, China.
As the anode material of LIBs, the SnS electrode boasts a reversible specific capacity as high as 1231 mA h g. Additionally, SnS possesses a CdI2-type layered structure with a layer spacing of 0.59 nm, which allows it to accommodate numerous lithium ions and facilitate rapid charge transfer.
View Article and Find Full Text PDFRecent Advancement on Selectfluor Mediated Synthesis of Heterocyclic Molecules.
Chem Rec
January 2025
Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal, 700032, India.
Selectfluor, [1-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate)], is a highly valuable reagent in contemporary chemistry, serving not only as an electrophilic fluorinating agent but also as an effective catalyst in the synthesis of various pharmaceutically relevant heterocycles.
View Article and Find Full Text PDFPFAS Destruction and Near-Complete Defluorination of Undiluted Aqueous Film-Forming Foams at Ambient Conditions by Piezoelectric Ball Milling.
Environ Sci Technol
January 2025
Department of Civil and Environmental Engineering, Clarkson University, Potsdam, New York 13699, United States.
The nonthermal destruction of aqueous film-forming foam (AFFF) stockpiles, one of the major culprits responsible for water and soil contamination by per- and polyfluoroalkyl substances (PFAS), is extremely challenging because of the coexistence of mixed recalcitrant PFAS and complicated organic matrices at extremely high concentrations. To date, the complete defluorination of undiluted AFFF at ambient conditions has not been demonstrated. This study reports a novel piezoelectric ball milling approach for treating AFFF with a total organic fluorine concentration of 9080 mg/L and total organic carbon of 234 g/L.
View Article and Find Full Text PDFSurface Modification of Polyvinylidene Fluoride Latex Nanoparticles through Chain Entanglement by Poly(meth)acrylate Monomer Swelling Seeded Emulsion Polymerization.
Langmuir
January 2025
School of Chemistry and Chemical Engineering, State Key Laboratory of Polyolefins and Catalysis, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China.
Polyvinylidene fluoride (PVDF) latex nanoparticles serve as a versatile platform for surface modification due to their role as precursors in PVDF manufacturing. However, the strong chemical stability and poor compatibility of PVDF present significant challenges for effective surface modification. To address this, we developed a method that facilitates surface modification through chain entanglement.
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