Preparation of Tetragonal and Hexagonal Calcium Zincate

Abstract:

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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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Periodical:

Edited by:

Han Zhao

Pages:

1454-1457

DOI:

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

Citation:

S. Li and Y. Y. Zhou, "Preparation of Tetragonal and Hexagonal Calcium Zincate", Applied Mechanics and Materials, Vols. 130-134, pp. 1454-1457, 2012

Online since:

October 2011

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$35.00

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