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Silicon (Si) is an emerging anode material for rechargeable lithium-ion battery owing to its high theoretical capacity. However, Si-based anodes suffer from poor cycling stability because of its large volume change during lithiation/delithiation processes. Although nanostructured Si electrodes have significantly improved the cycling stability, the scale-up of these electrodes is another critical huddle...
Nitrogen doped nanocarbon materials have emerged as promising metal-free catalysts towards peroxymonosulfate (PMS) activation for environmental remediation. However, their catalytic efficiency for PMS activation still needs improvement. Moreover, the relationship between the catalytic efficiency and nitrogen content or species, which is important to clarify the catalytic mechanism, remains unclear...
We report the making of chemically reduced graphene (CRG) sheets separated by layer-by-layer-assembled multi-walled carbon nanotubes (MWCNTs) for electrochemical micro-capacitor applications. Submicron thin films of amine-functionalized MWCNTs (MWCNT-NH 2 ) and CRG derived from graphene oxides, were shown to be cross-linked with amide bonds having high packing densities of ∼70%. These carbon-only...
A two-dimensional TiO 2 /carbon nanowall composite material was fabricated by growing carbon nanowalls on a Ti sheet with hot filament chemical vapor deposition, followed by metal–organic chemical vapor deposition using titanium isopropoxide as TiO 2 precursor and argon as carrier gas. Scanning electron microscopy showed that TiO 2 was uniformly coated on the entire carbon...
This paper describes an integrated granular activated carbon (GAC) adsorption/microwave (MW) irradiation process used for the treatment of high concentration pentachlorophenol (PCP) wastewater. Firstly, PCP in water was adsorbed onto GAC, then the PCP was decomposed and GAC regenerated by MW irradiation. The liquid and gas produced during irradiation were collected through condensing, and absorbed...
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