کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6603273 | 1424086 | 2018 | 30 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Bismuth Oxychloride/MXene symmetric supercapacitor with high volumetric energy density
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Since the discovery of two-dimensional (2D) graphene, a new class of 2D materials with excellent electrical conductivity has recently been attracting attention in studying promising electrode materials in energy storage applications. Herein, bismuth oxychloride nanosheets-immobilised Ti3C2Tx MXene material (TCBOC) is synthesised by a facile and cost-effective chemical bath deposition (CBD) route. The bismuth oxychloride (BiOCl) nanosheets are grown and immobilised on surfaces of Ti3C2Tx-MXene flakes. An electrode based on the TCBOC nanocomposite exhibited a remarkably volumetric specific capacitance of 396.5â¯Fâ¯cm-3â¯at 1â¯Aâ¯gâ1 and 228.0â¯Fâ¯cm-3â¯at 15â¯Aâ¯gâ1. Furthermore, a symmetric supercapacitor (SSC) assembled using TCBOC material proves to have a high energy density of 15.2â¯Wh kgâ1 at a power density of 567.4â¯Wâ¯kgâ1 compared to SSCs using previously reported Ti3C2Tx MXene materials. The SSC shows cycle life retention of 85.0% after 5000 cycles (at 5â¯Aâ¯gâ1). The enhanced capacitive performance is attributed to the increased surface area due to BiOCl nanosheets anchored on a 2D MXene surface, the activities of BiOCl sheets, and the excellent conductivity of a Ti3C2Tx MXene material.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 271, 1 May 2018, Pages 351-360
Journal: Electrochimica Acta - Volume 271, 1 May 2018, Pages 351-360
نویسندگان
Qi Xun Xia, Nanasaheb M. Shinde, Je Moon Yun, Tengfei Zhang, Rajaram S. Mane, Sanjay Mathur, Kwang Ho Kim,