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首页> 外文期刊>Crystal growth & design >Preparation of LiFePO4 Mesocrystals Consisting of Nanorods through Organic-Mediated Parallel Growth from a Precursor Phase
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Preparation of LiFePO4 Mesocrystals Consisting of Nanorods through Organic-Mediated Parallel Growth from a Precursor Phase

机译:通过前驱物相有机平行生长制备由纳米棒组成的LiFePO4介晶

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摘要

Olivine-type LiFePO4 crystals were prepared from a precursor phase Fe-3(PO4)(2)(H2O)(8) by a reaction with LiOH under a hydrothermal condition. Particular rod-like units assembled in the same crystallographic orientation were formed in association with L-(+)-ascorbic acid as a reducing and capping agent. Fagot-like mesocrystals were constructed with the oriented rods through parallel growth by supplying abundant Fe2+ and PO43- ions from the precursor phase. An increase in the concentration of the organic additive decreased the unit size, and sheaf-like mesocrystals of LiFePO4 nanorods with high crystallinity and porous structure were obtained
机译:通过在水热条件下与LiOH反应,从前体相Fe-3(PO4)(2)(H2O)(8)制备橄榄石型LiFePO4晶体。与作为还原剂和封端剂的L-(+)-抗坏血酸结合形成了以相同的晶体学取向组装的特定的棒状单元。通过从前驱相中提供大量的Fe2 +和PO43-离子,通过平行生长,用定向棒构造了类似Fagot的介晶。增加有机添加剂的浓度会减小单位尺寸,并获得具有高结晶度和多孔结构的LiFePO4纳米棒的层状介晶。

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