Boosting Supercapacitor Performance of TiO2 Nanobelts by Efficient Nitrogen Doping

Zhi Jian; Zhao Wei; Lin Tianquan; Huang Fuqiang

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Boosting Supercapacitor Performance of TiO2 Nanobelts by Efficient Nitrogen Doping

机译：高效氮掺杂，提高TiO2纳米座的超级电容器性能

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TiO2 has great potential in the application of biocompatible supercapacitors. Unfortunately, because of its semiconducting nature, TiO2 exhibits poor electrical conductivity and extremely low specific capacitance. Doping with other atoms is a facile way to enhance electrochemical activity of TiO2. However, the restricted solubility of substitutional dopants in bulk largely impaired the effectiveness of doping, resulting in quite limited capacitance improvement. To overcome this issue, we propose a two-step approach to efficiently dope TiO2 nanobelts with nitrogen. High-level nitrogen doping (6.1 at.%) was achieved in the distinct crystalline core/disordered shell structured TiO2, boosting the specific capacitance of TiO2 from 4 Fg(-1) to 216 Fg(-1). Employing compressible, light-weight three-dimensional graphene as current collector, the symmetrical cell exhibits a volumetric energy density of 9.6 mWh cm(-3), highly comparable with the supercapacitors based on conventional pseudocapacitive materials. These encouraging findings unambiguously smash the capacitance bottleneck of TiO2 and open the door towards the application of TiO2 in energy-storage systems.

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来源
《ChemElectroChem》 |2017年第9期|共8页
作者
Zhi Jian; Zhao Wei; Lin Tianquan; Huang Fuqiang;
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作者单位

Chinese Acad Sci Shanghai Inst Ceram State Key Lab High Performance Ceram &

Superfine Shanghai 200050 Peoples R China;

Chinese Acad Sci Shanghai Inst Ceram State Key Lab High Performance Ceram &

Superfine Shanghai 200050 Peoples R China;

Chinese Acad Sci Shanghai Inst Ceram State Key Lab High Performance Ceram &

Superfine Shanghai 200050 Peoples R China;

Chinese Acad Sci Shanghai Inst Ceram State Key Lab High Performance Ceram &

Superfine Shanghai 200050 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
carrier density; nanostructures; nitrogen doping; supercapacitors; TiO2;

机译：载流子密度;纳米结构;氮掺杂;超级电容器;TiO2;

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1. Controllable synthesis of nitrogen-doped porous carbon from metal-polluted miscanthus waste boosting for supercapacitors [J] . Zuo Chen, Man Zhang, Yuchen Wang, 绿色能源与环境（英文） . 2021,第006期
2. Controllable synthesis of nitrogen-doped porous carbon from metal-polluted miscanthus waste boosting for supercapacitors [J] . Zuo Chen, Man Zhang, Yuchen Wang, 绿色能源与环境：英文版 . 2021,第006期
3. Porous Nitrogen-doped Reduced Graphene Oxide Gels as Efficient Supercapacitor Electrodes and Oxygen Reduction Reaction Electrocatalysts [J] . Liu Yang, Tao Wang, Dongling Wu 中国化学（英文版） . 2020,第010期
4. Biomass derived nitrogen doped carbon with porous architecture as efficient electrode materials for supercapacitors [J] . Cuijuan Xuan, Zongkai Peng, Jie Wang, 中国化学快报（英文版） . 2017,第012期
5. Nitrogen and sulfur co-doped graphene aerogel with hierarchically porous structure for high-performance supercapacitors [J] . Zhiwei Lu, Xiaochao Xu, Yujuan Chen, 绿色能源与环境：英文版 . 2020,第001期
6. Boosting Supercapacitor Performance of TiO2 Nanobelts by Efficient Nitrogen Doping [J] . Zhi Jian, Zhao Wei, Lin Tianquan, ChemElectroChem . 2017,第9期

机译：高效氮掺杂提高了TiO2纳米座的超级电容器性能
7. Boosting Supercapacitor Performance of TiO ₂2 Nanobelts by Efficient Nitrogen Doping [J] . Zhi Jian, Zhao Wei, Lin Tianquan, Advanced materials interfaces . 2017,第9期

机译：提高TIO的超级电容器性能 _{2 2 通过高效的氮掺杂纳米杆}
8. Highly Doped Carbon Nanobelts with Ultrahigh Nitrogen Content as High‐Performance Supercapacitor Materials [J] . Su Congcong, Pei Chengjie, Wu Bingxia, Small . 2017,第29期

机译：高度掺杂的碳纳米座，具有超高氮含量，如高性能超级电容器材料
9. Nitrogen Doped Graphene as a high efficient electrode for next generation supercapacitors [C] . Victor Chabot, Fathy M Hassan, Aiping Yu Symposium on electrochemical capacitors . 2013

机译：氮气掺杂石墨烯作为下一代超级电容器的高效电极
10. Oxygen reduction reaction and supercapacitor studies of cobalt complexes/carbon nanotube composites and phosphorous, nitrogen doped carbon materials. [D] . Nasini, Udaya Bhasker. 2013

机译：钴配合物/碳纳米管复合材料和磷，氮掺杂碳材料的氧还原反应和超级电容器研究。
11. Facile Synthesis of Nitrogen and Oxygen Co-Doped Clews of Carbon Nanobelts for Supercapacitors with Excellent Rate Performance [O] . Liang Yu, Shaozhong Zeng, Xierong Zeng, 2018

机译：速率性能优异的超级电容器的碳纳米带氮氧共掺杂团的简便合成
12. Electrochemical Performance of Nitrogen-Doped TiO2 Nanotubes as Electrode Material for Supercapacitor and Li-Ion Battery [O] . Tamilselvan Appadurai, Chandrasekar Subramaniyam, Rajesh Kuppusamy, 2019

机译：氮掺杂TiO2纳米管作为超级电容器和锂离子电池电极材料的电化学性能
13. Vertically Aligned BCN Nanotubes as Efficient Metal-Free Electrocatalysts for the Oxygen Reduction Reaction: A Synergetic Effect by Co- Doping with Boron and Nitrogen. [R] . Wang, S., Iyyamperumal, E., Roy, A., 2011

机译：垂直排列的BCN纳米管作为氧还原反应的高效无金属电催化剂：通过共掺杂硼和氮的协同效应。

Boosting Supercapacitor Performance of TiO2 Nanobelts by Efficient Nitrogen Doping

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