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Article
Acoustic insulation and directional refraction of dual-functional pentamode metasurface
Acoustic metasurface is a membrane-like two-dimensional metamaterial with subwavelength thickness and special acoustic properties. Based on generalized Snell’s laws, acoustic metasurface produce a series of un...
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Article
Improving the cyclability of Li-O2 batteries with palladium nanocolloidal electrolytes
The slow decomposition kinetics of Li2O2 and the accumulation of by-products resulted in the passivation of cathode is one of the key issues restricting the development of Li-O2 batteries. Herein, ultrafine Pd na...
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Article
Nitrogen-doped graphene derived from polyaniline/graphene oxide composites with improved capacity and cyclic performance of Li-O2 battery
Nitrogen-doped graphene (NGO) was synthesized by the pyrolysis of precursor polyaniline/graphene oxide composites, where the nitrogen content of the NGO was dependent on the loading amount of polyaniline. The ...
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Article
Electrophoretic deposition of nickel, iron and aluminum nanoparticles on carbon fibers
The electrophoretic deposition (EPD) of nickel (Ni), iron (Fe) and aluminum (Al) nanoparticles fabricated by an active hydrogen plasma evaporation method on the surface of carbon fibers was investigated, which...