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In this work, we report a series of defective carbon catalysts prepared through a facile and scalable “N-doping-removal” process using seaweed biomass sodium alginate (SA) as precursor. Our systematic studies reveal that the defect content, porosity characteristic and conductivity of defective carbons can be finely tuned by manipulating the pyrolysis temperature and viscosity of precursor polymer...
Hydrogenated graphite was synthesized through a Birch−type reduction by treating fluorinated graphite ((CFx)n, x ∼ 1.1) with a solution of Li in liquid NH3 followed by the addition of H2O as the proton donor. The conversion was evaluated by Fourier transform infrared spectroscopy, Raman spectroscopy and powder X−ray diffraction. X−ray photoelectron spectroscopy and combustion elemental analysis were...
Activated carbons (ACs) were prepared by CO 2 activation using depleted fullerene soot as precursor. The structure of the ACs was investigated by TEM, XRD, and nitrogen adsorption. Their electrochemical properties in electrochemical capacitors were tested by cyclic voltammetry (CV) and galvanostatic charge/discharge methods in a three-electrode cell. Activation temperature and time were proved...
A new strategy is reported for the fabrication of silver nanowire (AgNW) film heaters using reduced small/or large-size graphene oxide (rSGO or rLGO) sheets as an over-coating protective layer. The results show that ultrathin rLGO microsheets provide the best combination of protective effect and electrical properties on AgNW networks and thus could enable the design of high-performance transparent...
P/N co-doped porous carbons have been synthesized by a simple method through direct carbonization of phosphoric acid doped polyaniline. The textural property and the surface chemistry have been investigated by nitrogen sorption and X-ray photoelectron spectra. P/N co-doped carbons exhibit typical microporous characters with a low surface area and a narrow pore size distribution. Interestingly, the...
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