کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7994196 | 1516155 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enhanced electrochemical properties of MgCo2O4 mesocrystals as a positive electrode active material for Mg batteries
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Enhanced electrochemical properties of MgCo2O4 mesocrystals as a positive electrode active material for Mg batteries Enhanced electrochemical properties of MgCo2O4 mesocrystals as a positive electrode active material for Mg batteries](/preview/png/7994196.png)
چکیده انگلیسی
Mesocrystals of MgCo2O4 spinel oxide exhibiting porous and single-crystalline structures were synthesized by the reaction of magnesium ions with calcite-type CoCO3 mesocrystal precursors grown in micrometer-sized agar gels. The mesocrystals consisted of single-crystalline porous grains measuring 200-300Â nm in diameter with iso-oriented subunits of approximately 10Â nm. The single-crystalline porous framework structure of the MgCo2O4 mesocrystals enhanced the discharge capacity and positively shifted the discharge potential compared with MgCo2O4 nanoparticles prepared by the inverse co-precipitation method. These enhancements were attributed to a combination of the high specific surface areas of the mesocrystals and the high connectivity of the magnesium ion diffusion paths in the solid-phase.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 739, 30 March 2018, Pages 793-798
Journal: Journal of Alloys and Compounds - Volume 739, 30 March 2018, Pages 793-798
نویسندگان
Yoh Kotani, Ryuta Ise, Kanji Ishii, Toshihiko Mandai, Yuya Oaki, Shunsuke Yagi, Hiroaki Imai,