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LiMn2O4 spinel cathode materials were modified with 1%, 3% and 5% Co3(PO4)2 coating with a simple chemical deposition process, followed by calcinations at 420°C for 3h in air. The Co3(PO4)2 surface modified samples showed much better capacity retention at both room temperature and 60°C than bare LiMn2O4. Especially, 3wt.% Co3(PO4)2 coated sample exhibited superior capacity retention with only 12%...
In this paper, the effect of different aluminum precursors, i.e., Al(OH) 3 and Al 2 O 3 , on the structural and electrochemical properties of spinel LiMn 2−x Al x O 4 (x=0, 0.05, 0.1, 0.15) is investigated by X-ray diffraction (XRD), micro-Raman spectroscopy (RS), field-emission scanning electron microscopy (FE-SEM) and charge–discharge cycling test...
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