کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6604106 | 1424092 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Solid-state attachments of Ag nanoparticles onto the surfaces of LiFePO4 cathode materials for Li storage with enhanced capabilities
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Solid-state attachments of Ag nanoparticles onto the surfaces of LiFePO4 cathode materials for Li storage with enhanced capabilities Solid-state attachments of Ag nanoparticles onto the surfaces of LiFePO4 cathode materials for Li storage with enhanced capabilities](/preview/png/6604106.png)
چکیده انگلیسی
Ag@LiFePO4 cathode materials have been prepared successfully by performing solid-state reactions between AgNO3 and the ascorbic acid in the presence of LiFePO4 powders at ambient temperature. Metallic Ag nanoparticles of ca. 10â¯nm in diameter can be produced with the environmental benign approach and efficiently attached onto the surfaces of commercial LiFePO4 cathode materials. The as-prepared composites show highly enhanced electrochemical performances in storing Li with ca. 22% increase in their discharge specific capacity from 128 to 156â¯mAhgâ1 at C/10 rate, after loading Ag additive of 2â¯wt%. The coulombic efficiency of the composites can retain 97%, after cycling for 80 times. They can also remain up to 94â¯mAhgâ1 of their discharge specific capacity at high rate of 5â¯C, which is almost twice higher than that of LiFePO4 cathode materials.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 265, 1 March 2018, Pages 160-165
Journal: Electrochimica Acta - Volume 265, 1 March 2018, Pages 160-165
نویسندگان
Erchao Meng, Miao Zhang, You Hu, Feilong Gong, Linsen Zhang, Feng Li,