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Perovskite oxides stand out as emerging oxygen evolution reaction (OER) catalysts on account of their effective electrocatalytic performance and low costs. Nevertheless, perovskite oxides suffer from severe bubble overpotential and inhibited electrochemical performance in large current densities due to their small specific surface areas and structural compactness. Herein, the study highlights the...
We report a carbon-sulfur nanostructure by impregnating sulfur into activated N-doped hollow carbon nanofibers (ANHCNFs) with a high Brunauer-Emmett-Teller (BET) specific surface area of 608m2g−1 and a total pore volume of 0.8cm3g−1. As a cathode, this material with 50wt% sulfur shows a reversible capacity of 1230mAhg−1 and maintains ∼920mAhg−1 after 100 cycles at 0.2C (1C=1675mAg−1). These results...
Tin holds promise as an anode material for lithium‐ion batteries (LIBs) because of its high theoretical capacity, but its cycle life is limited by structural degradation. Herein, a novel approach is exploited to insert Sn nanoparticles into the pores of highly stable titanium dioxide–carbon (TiO2−x–C) nanofiber substrates that can effectively localize the postformed smaller Sn nanoparticles, thereby...
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