气候变化领域集成服务门户(CCPortal): Nucleation-Controlled Production of Sub-50 nm Carbon Nanotubes through Electrochemical Conversion of Carbon Dioxide in Carbonate Molten Salt

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DOI	10.1155/2024/6616423
	Nucleation-Controlled Production of Sub-50 nm Carbon Nanotubes through Electrochemical Conversion of Carbon Dioxide in Carbonate Molten Salt
	Park, Min Woo; Lee, Chan Woo
发表日期	2024
ISSN	0363-907X
EISSN	1099-114X
起始页码	2024
卷号	2024
英文摘要	The increasing emission of carbon dioxide worldwide has emerged as a major global concern in the context of addressing climate change. Converting CO2 to high-value carbon materials is a promising solution to capture emitted carbon for achieving carbon neutrality. Furthermore, such conversion can provide carbon nanomaterials for key industries, including the lithium battery and fuel cell industries. Here, it is shown that sub-50 nm tangled carbon nanotubes (CNTs) can be synthesized by adjusting the metaborate concentration and the current density through the electrochemical conversion of carbon dioxide in a molten carbonate salt. The metaborate ion concentration affects the product selectivity and carbon morphology, and the current density is strongly related to the particle size of in situ seed catalysts supplied by the dissolution of an Ni-Fe-Cr alloy anode. The optimized process conditions control the nucleation and growth of carbon via a tip-growth mechanism, thereby promoting the formation of sub-50 nm CNTs rather than bulky irregular carbon particles. The Raman and Brunauer-Emmett-Teller analyses showed that the properties of the prepared CNTs depended on the synthetic parameters. This study provides deep insights into the mechanism underlying carbon synthesis through the electrochemical reduction of a molten carbonate salt.
语种	英语
WOS研究方向	Energy & Fuels ; Nuclear Science & Technology
WOS类目	Energy & Fuels ; Nuclear Science & Technology
WOS记录号	WOS:001214596300001
来源期刊	INTERNATIONAL JOURNAL OF ENERGY RESEARCH
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/294507
作者单位	Kookmin University
推荐引用方式 GB/T 7714	Park, Min Woo,Lee, Chan Woo. Nucleation-Controlled Production of Sub-50 nm Carbon Nanotubes through Electrochemical Conversion of Carbon Dioxide in Carbonate Molten Salt[J],2024,2024.
APA	Park, Min Woo,&Lee, Chan Woo.(2024).Nucleation-Controlled Production of Sub-50 nm Carbon Nanotubes through Electrochemical Conversion of Carbon Dioxide in Carbonate Molten Salt.INTERNATIONAL JOURNAL OF ENERGY RESEARCH,2024.
MLA	Park, Min Woo,et al."Nucleation-Controlled Production of Sub-50 nm Carbon Nanotubes through Electrochemical Conversion of Carbon Dioxide in Carbonate Molten Salt".INTERNATIONAL JOURNAL OF ENERGY RESEARCH 2024(2024).