کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1526428 | 995370 | 2008 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Study of calcium zincate synthesized by solid-phase synthesis method without strong alkali
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Calcium zincate as an active material in Zn/Ni secondary battery has been successfully synthesized by solid-phase synthesis method without strong alkali. The chemical composition of Ca(OH)2·2Zn(OH)2·2H2O was confirmed by X-ray powder diffraction pattern and weight loss in thermogravimetric analysis. Well defined monoclinic crystals of calcium zincate synthesized at 348 K was exhibited by scanning electron microscope. The results of cyclic voltammetry of powder microelectrode and experimental Zn/Ni battery charge-discharge test showed that the material of Ca(OH)2·2Zn(OH)2·2H2O had excellent electrochemical performances: a good cycleability, a high discharging platform of 1.686 V and a practical specific capacity of 195.8 mAh gâ1. Nevertheless, this method of preparing calcium zincate is simple and more suitable for mass production.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Chemistry and Physics - Volume 112, Issue 2, 1 December 2008, Pages 603-606
Journal: Materials Chemistry and Physics - Volume 112, Issue 2, 1 December 2008, Pages 603-606
نویسندگان
Shengwei Wang, Zhanhong Yang, Lihui Zeng,