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Lithium batteries are of interest for many portable applications due to their high energy density and low weight properties. In this manner, finding new cathode materials for lithium-based batteries are in the interest of many researchers. Especially the olivine-structured transition metal phosphates for cathode materials are promising for many applications in the field due to their low cost, non-toxic and environmentally friendly nature. This paper reports the early investigations on the hydrothermal synthesis of the olivine structured LiMnPO4 powders for cathode materials and the effects of the two additives namely glucose and citric acid to the processing route of the synthesized LiMnPO4 powders. X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM) techniques are used to characterize the synthesized powders. Using glucose additive resulted in formation of submicron-sized particles with a yield of 73wt% primary LiMnPO4 phase whereas; citric acid additive resulted in formation of micron-sized particles with a yield of 98wt% primary phase in the powder. These initial results indicated that the hydrothermal synthesis is a promising processing route for the synthesis of olivine structured cathode materials for Li-ion batteries.

SEM image showing the synthesized powder w/ glucose additive


Hydrothermal Synthesis, LiMnPO4 Cathode, Additives, Citric Acid, Glucose, Lithium Batteries

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