Controlled Construction of a N-Doped Carbon Nanotube Network Endows Carbon Felt with Superior Performances for High-Rate Vanadium Flow Batteries

doi:10.1021/acssuschemeng.4c00046

IMR OpenIR

	Controlled Construction of a N-Doped Carbon Nanotube Network Endows Carbon Felt with Superior Performances for High-Rate Vanadium Flow Batteries
	Zhang, Kaiyue 1; Wang, Hong 1; Zhang, Xihao 2,3; Liu, Lansong 2,3; Feng, Bin 1; Wang, Yulian 1; Liu, Jianguo 2
通讯作者	Zhang, Kaiyue(kyzhang@sylu.edu.cn) ; Liu, Jianguo(jgliu@imr.ac.cn)
	2024-04-30
发表期刊	ACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN	2168-0485
卷号	12 期号:19 页码:7318-7328
摘要	Developing carbon felt (CF) electrodes with sufficient mass transfer channels and highly active catalytic interfaces remains a great challenge for high-rate vanadium flow batteries (VFBs). Herein, a well-defined 3D hierarchical N-doped carbon nanotube (NCNT) network is designed and grown onto CF via a facile bottom-up strategy, which features a high bonding strength, controllable growth morphology, and tunable electron structure. In the strategy, ZIF-67 arrays as both precursors and catalysts are self-assembled on CF followed by decomposition of melamine as an initiator into C and N sources for controlled growth of NCNTs during pyrolysis. By precisely regulating the microstructure of ZIF-67 precursors and the usage amount of melamine, the NCNT-modified CF composite electrode simultaneously achieves fast electron transport, facile mass transport, and high catalytic performance toward VO2+/VO2+ and V2+/V3+ redox reactions. Electrostatic potential calculations further indicate that N dopants alter the electronic structure of CNTs and serve as the preferential sites for the adsorption of vanadium ions to promote the redox kinetics. Consequently, the battery assembled with the composite electrodes exhibits an impressive energy efficiency of 76.6% at 300 mA cm(-2) and demonstrates prolonged stability throughout 550 consecutive charge-discharge cycles at 200 mA cm(-2). These encouraging achievements shed fresh insights into the controlled synthesis of CNTs onto CF for high-rate VFBs.
关键词	vanadium flow battery carbon felt carbonnanotube mass transfer catalytic interface
资助者	National Natural Science Foundation of China ; National Natural Science Foundation of China ; Research Support Program for Introduction of High-level Talents of Shenyang Ligong University ; Key Development Plan for Applied Basic Research Project of Liaoning Province ; General Project of the Educational Department of Liaoning Province ; Project of Shenyang Bureau of Science and Technology
DOI	10.1021/acssuschemeng.4c00046
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[22309121] ; National Natural Science Foundation of China[1010147001234] ; Research Support Program for Introduction of High-level Talents of Shenyang Ligong University[2022JH2/101300111] ; Key Development Plan for Applied Basic Research Project of Liaoning Province[LJKMZ20220588] ; General Project of the Educational Department of Liaoning Province[22-322-3-03] ; Project of Shenyang Bureau of Science and Technology
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Engineering
WOS类目	Chemistry, Multidisciplinary ; Green & Sustainable Science & Technology ; Engineering, Chemical
WOS记录号	WOS:001227837200001
出版者	AMER CHEMICAL SOC
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/186382
专题	中国科学院金属研究所
通讯作者	Zhang, Kaiyue; Liu, Jianguo
作者单位	1.Shenyang Ligong Univ, Sch Mat Sci & Engn, Shenyang 110159, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Kaiyue,Wang, Hong,Zhang, Xihao,et al. Controlled Construction of a N-Doped Carbon Nanotube Network Endows Carbon Felt with Superior Performances for High-Rate Vanadium Flow Batteries[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2024,12(19):7318-7328.
APA	Zhang, Kaiyue.,Wang, Hong.,Zhang, Xihao.,Liu, Lansong.,Feng, Bin.,...&Liu, Jianguo.(2024).Controlled Construction of a N-Doped Carbon Nanotube Network Endows Carbon Felt with Superior Performances for High-Rate Vanadium Flow Batteries.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,12(19),7318-7328.
MLA	Zhang, Kaiyue,et al."Controlled Construction of a N-Doped Carbon Nanotube Network Endows Carbon Felt with Superior Performances for High-Rate Vanadium Flow Batteries".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 12.19(2024):7318-7328.