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Three-dimensional nitrogen-doped graphene aerogel (N-GA) is facilely synthesized via a hydrothermal method combined with freeze drying. When it is used as an anode for lithium-ion battery, N-GA possesses larger surface area (SBET=379.1m2g−1), higher reversible capacity (535.3mAhg−1 in the 100th cycle ) and more stable cycling performance compared with those of pristine GA, which could result from...
A three-dimensional amorphous SiO2@graphene aerogel (SiO2@GA) composites as anode material for lithium ion batteries was successfully synthesized via a one-pot process. The materials were characterized by nitrogen adsorption-desorption, scanning electron microscopy, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Raman spectra and Fourier-Transform infrared spectra...
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