Nitrogen doped porous carbon as excellent dual anodes for Li- and Na-ion batteries |
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| Authors: | Zhanheng Yan Qin-Wen Yang Qinghong Wang Jianmin Ma |
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| Affiliation: | 1. School of Physics and Electronics, Hunan University, Changsha 410082, China;2. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China;3. School of Chemistry and Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, China;4. Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou 450002, China;1. School of Physics and Electronics, Hunan University, Changsha 410082, China;2. Yiyang Wanjingyuan Electronics Co., Ltd., Yiyang 413000, China;3. College of Traffic Engineering, Hunan University of Technology, Zhuzhou 412008, China;4. Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou 450002, China;5. State Key Lab of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072 China;1. Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China;2. The State Key Lab for Refractory and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China;3. Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;1. Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India;2. IITB Monash Research Academy, Bombay, Mumbai, 400076, India;3. Chemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India;1. School of Environment and Civil Engineering, Department of Materials Science and Engineering, Dongguan University of Technology, Dongguan, Guangdong, 523808, China;2. Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning, 116029, China;3. Carbon Research Laboratory, Center for Nano Materials and Science, School of Chemical Engineering, State Key Lab of Fine Chemicals, Dalian University of Technology, Dalian, 116012, China |
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| Abstract: | Biomass-derived carbon materials have obtained great attention due to their sustainability, easy availability, low cost and environmentally benign. In this work, bamboo leaves derived nitrogen doped hierarchically porous carbon have been efficiently synthesized via an annealing approach, followed by an etching process in HF solution. Electrochemical measurements demonstrate that the unique porous structure, together with the inherent high nitrogen content, endow the as-derived carbon with excellent lithium/sodium storage performance. The porous carbon annealed at 700 ℃ presents outstanding rate capability and remarkable long-term stability as anodes for both lithium-ion batteries and sodium-ion batteries. The optimized carbon delivers a high discharge capacity of 450 mAh/g after 500 cycles at the current density of 0.2 A/g for LIBs, and a discharge capacity of 180 mAh/g after 300 cycles at the current density of 0.1 A/g for SIBs |
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| Keywords: | Nitrogen doping Carbon Anode Lithium-ion batteries Sodium-ion batteries |
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