کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5439283 | 1398194 | 2016 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
3D NiCo2S4 nanorod arrays as electrode materials for electrochemical energy storage application
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
It is essential to develop new electrode materials for electrochemical energy storage to meet the increasing energy demands, reduce environmental pollution and develop low-carbon economy. In this work, binder-free NiCo2S4 nanorod arrays (NCS NRAs) on nickel foam electrodes are prepared by an easy and low energy-consuming route. The electrodes exhibit superior electrochemical properties both for alkaline and Li-ion batteries. In 3 M KOH electrolyte, the NCS NRAs achieve a specific capacity of 240.5 mA h gâ1 at a current density of 0.2 A gâ1, and 105.7 mA h gâ1 after 1500 cycles at the current density of 5 A gâ1 with capacity retention of 87.3%. As the anode for LIBs, it shows a high initial capacity of 1760.7 mA h gâ1 at the current density of 100 mA gâ1, corresponding coulombic efficiency of 87.6%, and a rate capacity of 945 mA h gâ1 when the current density is improved 10 times. Hence, the NiCo2S4 nanorod arrays are promised as electrode materials with competitive performance.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 42, Issue 16, December 2016, Pages 18173-18180
Journal: Ceramics International - Volume 42, Issue 16, December 2016, Pages 18173-18180
نویسندگان
Qing-Qing Ren, Chang Liu, Zhen-Bo Wang, Ke Ke, Si-Wen Zhang, Bo-Si Yin,