首页> 外文会议>Symposium on Microcrystalline and Nanocrystalline Semiconductors-1998 held November 30-December 3, 1998, Boston, Massachusetts, U.S.A. >In-situ x-ray diffraction study of lithium intercalation in nanostructured anatase titanium dioxide
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In-situ x-ray diffraction study of lithium intercalation in nanostructured anatase titanium dioxide

机译:纳米结构锐钛矿型二氧化钛中锂嵌入的原位X射线衍射研究

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摘要

Electrochemical lithium intercalation in nanostructured anatase TiO_2 is investigated with in-situ X-ray diffraction. A complete and reversible phase transformation from tetragonal anatase TiO_2 to orthorhombic anatase Li_(0.5)TiO_2 is observed. The difference of the XRD spectra before and after insertion can be fitted with the lattice parameters of the two phases as fit parameters. The maximum amount of lithium that can be dissolved in anatase TiO_2 before the phase transformation occurs is found to be very small.
机译:利用原位X射线衍射研究了纳米结构锐钛矿型TiO_2中锂的电化学嵌入。观察到从四方锐钛矿型TiO_2到正交晶型锐钛型Li_(0.5)TiO_2的完全可逆的相变。插入前后的XRD光谱差异可以用两相的晶格参数拟合为拟合参数。发现在发生相变之前可溶解在锐钛矿型TiO 2中的锂的最大量非常小。

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