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Three-dimensional chrysanthemum-like Co 3 O 4 was prepared via a facile hydrothermal route without any template, and a subsequent calcination process. With a controlled concentration of the homogeneous precipitation agent, urea, a chrysanthemum-like precursor was hydrothermally obtained at 120°C for 20h, and the morphology was kept for Co 3 O 4 after a subsequent calcination...
The Fe-doped Li 3 V 2 (PO 4 ) 3 cathode materials for Li-ion batteries were synthesized by a conventional solid-state reaction, and the Fe-doping effects on the Li electrochemical extraction/insertion performance of Li 3 V 2 (PO 4 ) 3 were investigated by galvanostatic charge/discharge and cyclic voltammetry measurements. The optimal...
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