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In this study, for the first time, polymeric precursors have been used in the preparation of yolk-shell powders using a large-scale spray drying process. An esterification reaction between the carboxyl group of citric acid and the hydroxyl group of ethylene glycol inside the droplet produced organic polymers during the drying process of the droplet. During the spray drying process, the polymeric precursors...
Nanosized LiCrO 2 ·Li 2 MnO 3 composite powders are prepared by a new concept spray pyrolysis. The precursor and post-treated powders have a Li 2 CrO 4 impurity introduced by the partial oxidation of LiCrO 2 . The powders have a pure layered structure corresponding to the LiCrO 2 ·Li 2 MnO 3 composite after Li 2 CrO ...
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