Biochar-derived material decorated by MXene/reduced graphene oxide using one-step hydrothermal treatment as high-performance supercapacitor electrodes

被引：24
作者：
Sun, Yi [1 ,2 ]
Yuan, Yudan [3 ]
Geng, Xianwei [1 ,2 ]
Han, Chi [4 ]
Lu, Shenkai [1 ]
Mitrovic, Ivona [2 ]
Yang, Li [5 ]
Song, Pengfei [4 ]
Zhao, Cezhou [1 ,6 ]
机构：
[1] Xian Jiaotong Liverpool Univ, Sch Adv Technol, Dept Elect & Elect Engn, Suzhou 215123, Jiangsu, Peoples R China
[2] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3GJ, Lancashire, England
[3] Univ Sci & Technol China, Suzhou Inst Adv Res, Suzhou 215000, Jiangsu, Peoples R China
[4] Xian Jiaotong Liverpool Univ, Sch Adv Technol, Dept Mechatron & Robot, Suzhou 215123, Jiangsu, Peoples R China
[5] Xian Jiaotong Liverpool Univ, Sch Sci, Dept Chem, Suzhou 215123, Jiangsu, Peoples R China
[6] Univ Liverpool, Dept Chem, Liverpool L69 7ZD, Lancashire, England
来源：
CARBON | 2022年 / 199卷
基金：
英国工程与自然科学研究理事会; 中国国家自然科学基金;
关键词：
Biomass; Activated carbon; Two-dimensional titanium carbide; Reduced graphene oxide; Supercapacitor; ELECTROCHEMICAL ENERGY-STORAGE; CARBON MATERIALS; BIOMASS; NITROGEN; WASTE; MXENE;
D O I：
10.1016/j.carbon.2022.07.058
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A simple hydrothermal reaction of Ti3C2Tx and reduced graphene oxide (rGO) nanosheets to adjust the pore size of activated biomass materials (pleurotus eryngii) is presented. The unique structure produced is favourable for the ion transmission and reducing the restacking of Ti3C2Tx and rGO nanosheets. The effect of the addition quantities of Ti3C2Tx/rGO hydrogel on the specific capacitance is investigated. Under the optimal condition, the best specific capacitance of 403 F g(-1) is observed at 2 mV s(-1), which is approximately 1.5 times higher than that of the pure activated pleumtus eryngii. Our work possesses a technological strategy to reuse the commercial activated biochar as it can lead to broad industrial applications.
引用
收藏
页码：224 / 232
页数：9
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