Preparation of Tetragonal and Hexagonal Calcium Zincate

Song Li; Yuan Yuan Zhou

doi:10.4028/www.scientific.net/AMM.130-134.1454

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Preparation of Tetragonal and Hexagonal Calcium...

Preparation of Tetragonal and Hexagonal Calcium Zincate

Abstract:

Tetragonal and hexagonal calcium zincate as an active material in Zn/Ni secondary battery has been successfully prepared with precipitation transformation method by isothermal in the reasonable concentration of KOH as base solution for the first time. The chemical composition of Ca [Zn (OH)₃]₂•2H₂O was confirmed by X-ray powder diffraction pattern 、TG-DSC and infrared spectroscopy. These results all show that perfect crystal shape of either regular tetragonal or hexagonal calcium zincate (regardless of crystal size) should always have the same chemical expression of Ca [Zn (OH)₃]₂•2H₂O as its form; and incomplete crystal shape of calcium zincate prepared in different conditions , their chemical expression may be the form of Ca [Zn (OH)₃]₂•nH₂O(n=1~2).

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Applied Mechanics and Materials (Volumes 130-134)

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1454-1457

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https://doi.org/10.4028/www.scientific.net/AMM.130-134.1454

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October 2011

Authors:

Song Li, Yuan Yuan Zhou

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Ca [Zn (OH)₃]₂•2H₂O, Calcium Zincate Single-Crystal

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