Preparation of LiFePO4 mesocrystals consisting of nanorods through organic-mediated parallel growth from a precursor phase

Hiroaki Uchiyama; Hiroaki Imai

doi:10.1021/cg901457t

Preparation of LiFePO₄ mesocrystals consisting of nanorods through organic-mediated parallel growth from a precursor phase

Hiroaki Uchiyama, Hiroaki Imai

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

Olivine-type LiFePO₄ crystals were prepared from a precursor phase Fe₃(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 PO₄^3' 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.

Original language	English
Pages (from-to)	1777-1781
Number of pages	5
Journal	Crystal Growth and Design
Volume	10
Issue number	4
DOIs	https://doi.org/10.1021/cg901457t
Publication status	Published - 2010 Apr 7

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1021/cg901457t

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abstract = "Olivine-type LiFePO4 crystals were prepared from a precursor phase Fe3(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.",

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AB - Olivine-type LiFePO4 crystals were prepared from a precursor phase Fe3(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.

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Preparation of LiFePO₄ mesocrystals consisting of nanorods through organic-mediated parallel growth from a precursor phase

Abstract

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