Cyano complex compounds as well as preparation method and application thereof
A technology of complex compound and cyano group, which is applied in the field of cyano complex compound and its preparation, can solve the problems of poor crystallinity of ferrocyanide, low capacity of sodium ion battery, unsatisfactory cycle stability, etc., and achieve short cycle time, The effect of high capacity and good crystallinity
Active Publication Date: 2017-11-07
ZHEJIANG UNIV
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The invention discloses a preparation method of cyano complex compounds. The preparation method comprises specific steps as follows: mixing ammonium ferrocyanide with deionized water to obtain a solution A, mixing soluble salt of bivalent transition metal ions M<2+> with the deionized water to obtain a solution B, and mixing the solution A with the solution B to obtain an intermediate product after a hydrothermal reaction; dissolving sodium salt in an ethylene glycol/deionized water mixed solvent to obtain a solution C, and mixing an intermediate product with the solution C to obtain the cyano complex compounds after an ion exchange reaction. The invention discloses the preparation method of the cyano complex compounds. With adoption of the method, the morphology and the lattice structure of the target product can be regulated; the prepared cyano complex compounds have good crystallinity, and can remarkably improve electrochemical performance of sodium ion batteries after being applied to electrodes of the sodium ion batteries.
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Property | Measurement | Unit |
Current density | 30.0 | ma/g |
Current density | 30.0 | a/g |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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