Lithium intercalation properties in manganese-iron Prussian blue analogues

被引：1
|
作者：
Matsuda, T. [1 ]
Kurihara, Y. [1 ]
Moritomo, Y. [1 ,2 ]
机构：
[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan
[2] Univ Tsukuba, TIMS, Tsukuba, Ibaraki 305, Japan
来源：
XXIST INTERNATIONAL SYMPOSIUM ON THE JAHN-TELLER EFFECT 2012 | 2013年 / 428卷
关键词：
D O I：
10.1088/1742-6596/428/1/012019
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
We investigated the electronic states and structural properties of LixMn[Fe(CN)(6)](0.83)center dot 3.5H(2)O, and LixMn[Fe(CN)(6)](0.87)center dot 2.6H(2)O, which have different amount of [Fe(CN) 6] vacancies. X-ray absorption spectra near the Fe and Mn K-edges revealed that the Li intercalation/deintercalation process is two-electron reaction, i.e. Mn-II-NC-Fe-II, Mn-II-NC-Fe-III, and Mn-III-NC-Fe-III. The crystal structure of LixMn[Fe(CN)(6)](0.83)center dot 3.5H(2)O remains cubic and single phase throughout the Li intercalation/deintercalation process. The crystal structure of LixMn[Fe(CN)(6)](0.87)center dot 2.6H(2)O is also cubic, while phase separation of Li+-rich phase and Li+-poor phase was observed during the Mn-II/Mn-III reduction/oxidation process.
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页数：6
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