High performance of activated carbons prepared from mangosteen (Garcinia mangostana) peels using the hydrothermal process

doi:10.1016/j.est.2021.102577

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	High performance of activated carbons prepared from mangosteen (Garcinia mangostana) peels using the hydrothermal process
	Iradukunda, Yves 1; Wang, Guoying 1; Li, Xin 1; Shi, Gaofeng 1; Hu, Yawen 1; Luo, Fenfang 1; Yi, Kaiqiang 1; Albashir, Abdalazeez Ismail Mohamed 4; Niu, Xiuli 2; Wu, Zhijun 3
刊名	Journal of Energy Storage
	2021-07-01
卷号	39
关键词	Capacitance Carbonization Cost effectiveness Energy policy Potassium hydroxide Scanning electron microscopy Supercapacitor Thermal aging Transmission electron microscopy X ray photoelectron spectroscopy Electrochemical performance Electrochemicals Energy storage materials Environmental-friendly Green energy Hydrothermal process Mangosteen peel Mass ratio Performance Property
ISSN号	2352-152X
DOI	10.1016/j.est.2021.102577
英文摘要	Preparation of the activated carbon with electrochemical properties is essential in applying energy storage materials. Herein, a new method was reported to produce mangosteen peels activated carbons (MPACs). This strategy is based on the thermal aging of Mangosteen peels with hydrogen peroxide (H2O2) under hydrothermal conditions, followed by activation of KOH solid-state and carbonization under 800 °C for 1 hour. Various techniques such as the transmission electron microscope, field emission scanning electron microscope, X-ray diffraction, and X-ray photoelectron spectroscopy were used to confirm the successful preparation of MPACs. The findings indicated that well-structured micro/mesoporous structures make the prepared MPACs with well-defined amorphous shapes. After optimizing KOH as an activator with a different mass ratio, we found that the prepared MPAC-1 (1:1 mass ratio) holds an excellent electrochemical performance with a specific capacitance of 274.5 F/g at 0.5 A/g and a maximum capacitance retention rate of 94.5% after 10.000 cycles. More importantly, the symmetric device exhibits a high specific capacitance of 44.6 F/g at 1 A/g in 6 M KOH aqueous solution and demonstrated high specific energy of 12.14 Wh/kg specific power of 349.6 W/kg. The high electrochemical performance of MPACs was attributed to their large surface area (1078.92 m2/g) which shortens the ion diffusion paths and rapid migration of electrons. Our experimental results demonstrated that due to the simplicity of this newly introduced method and cost-effectiveness, MPACs have promising future applications in green energy production. © 2021
WOS研究方向	Energy & Fuels
语种	英语
出版者	Elsevier Ltd
WOS记录号	WOS:000663784100001
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/148378]
专题	石油化工学院
作者单位	1.School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou; 730050, China; 2.Gansu Food Inspection and Research Institute, Lanzhou; 730050, China; 3.State Key Joint Laboratory of Environment Simulation and Pollution Control (Peking University), College of Environmental Sciences and Engineering, Peking University, Beijing; 100871, China; 4.School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou; 730050, China
推荐引用方式 GB/T 7714	Iradukunda, Yves,Wang, Guoying,Li, Xin,et al. High performance of activated carbons prepared from mangosteen (Garcinia mangostana) peels using the hydrothermal process[J]. Journal of Energy Storage,2021,39.
APA	Iradukunda, Yves.,Wang, Guoying.,Li, Xin.,Shi, Gaofeng.,Hu, Yawen.,...&Wu, Zhijun.(2021).High performance of activated carbons prepared from mangosteen (Garcinia mangostana) peels using the hydrothermal process.Journal of Energy Storage,39.
MLA	Iradukunda, Yves,et al."High performance of activated carbons prepared from mangosteen (Garcinia mangostana) peels using the hydrothermal process".Journal of Energy Storage 39(2021).