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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >A low temperature TiP2O7 polymorph exhibiting reversible insertion of lithium and sodium ions
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A low temperature TiP2O7 polymorph exhibiting reversible insertion of lithium and sodium ions

机译:低温TiP2O7多晶型物,可逆插入锂离子和钠离子

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摘要

A new TiP2O7 form has been prepared by low temperature synthesis, which does not exhibit the superstructure reported when TiP2O7 is prepared via a conventional ceramic route. This LT-TiP2O7 polymorph presents linear P2O7 pyrophosphate groups, connected through a pivotal oxygen which ensure the flexibility of the structure. Therefore it can reversibly take up both Li and Na ions, contrary to the high temperature polymorph that can only take up Li.
机译:通过低温合成已经制备了新的TiP2O7形式,当通过常规陶瓷路线制备TiP2O7时,它没有显示出报道的超结构。这种LT-TiP2O7多晶型物具有线性P2O7焦磷酸盐基团,该基团通过关键氧连接,从而确保结构的灵活性。因此,它可以可逆地同时吸收Li和Na离子,这与仅吸收Li的高温多晶型物相反。

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