| Continuous nitrogen-doped carbon nanotube matrix for boosting oxygen electrocatalysis in rechargeable Zn-air batteries |
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| 作者姓名： | Guangda Chen Yangyang Xu Lei Huang Aboulkader Ibro Douka Bao Yu Xia |
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| 作者单位： | Key Laboratory of Material Chemistry for Energy Conversion and Storage（Ministry of Education） |
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| 基金项目： | financially supported by the National Natural Science Foundation of China(21802048,21805103,21805104);the Fundamental Research Funds for the Central Universities(2018KFYXKJC044,2018KFYYXJJ121,2017KFXKJC002,2017KFYXJJ164);the National 1000 Young Talents Program of China。 |
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| 摘 要： | Developing robust oxygen electrocatalyst with high-performance is very significant for practical rechargeable Zn-air battery.We report herein the preparation of three-dimensional continuous nanocarbon network composed of interconnected nitrogen-doped carbon nanotubes and its application as oxygen electrocatalysis in rechargeable Zn-air battery.Except the excellent electrochemical bifunctionality,this carbon nanotube matrix also delivers an impressive battery performance.Specifically,an opencircuit voltage of 1.50 V as well as a high power density of 220 m W cm-2 with remarkable cycling stability for 1600 h is achieved in the rechargeable Zn-air battery.The study not only provides an efficient bifunctional oxygen electrocatalyst but more importantly may pave significant concepts in designing robust electrode for long-life rechargeable Zn-air battery and other energy technologies.
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| 关 键 词： | Zeolitic-imidazolate framework Carbon nanotube Bifunctionality ELECTROCATALYST Zn-air battery |
Continuous nitrogen-doped carbon nanotube matrix for boosting oxygen electrocatalysis in rechargeable Zn-air batteries |
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| Abstract: | Developing robust oxygen electrocatalyst with high-performance is very significant for practical rechargeable Zn-air battery. We report herein the preparation of three-dimensional continuous nanocarbon network composed of interconnected nitrogen-doped carbon nanotubes and its application as oxygen electrocatalysis in rechargeable Zn-air battery. Except the excellent electrochemical bifunctionality,this carbon nanotube matrix also delivers an impressive battery performance. Specifically, an opencircuit voltage of 1.50 V as well as a high power density of 220 m W cm~(-2) with remarkable cycling stability for 1600 h is achieved in the rechargeable Zn-air battery. The study not only provides an efficient bifunctional oxygen electrocatalyst but more importantly may pave significant concepts in designing robust electrode for long-life rechargeable Zn-air battery and other energy technologies. |
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