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Nano TiO2 with low crystallinity is employed to improve the high-voltage cycling performance of LiNi0.5Co0.2Mn0.3O2 cathode material. Nano TiO2 is homogeneously distributed on the surface by EDS and TEM analysis. TiO2-modified sample delivers capacity retentions of 86.9% (200 cycles) and 87.2% (100 cycles) in 3.0–4.4V and 3.0–4.6V, respectively, which are much greater than that of unmodified sample...
Fe–Ni–W alloys with 18wt%, 35wt% and 55wt% tungsten have been obtained by electrodeposition from an ammoniacal citrate bath. The deposits are smooth, of nice appearance, and adhere well to iron and steel. The morphology and structure of Fe–Ni–W alloys were studied by SEM and XRD, respectively. The structure of the as-plated deposits changed from crystalline to amorphous with increasing tungsten content...
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