Preparation of hierarchical porous carbon from waste printed circuit boards for high performance electric double-layer capacitors
Du, Xuan1; Wang, Li1,2; Zhao, Wei1; Wang, Yi1; Qi, Tao1; Li, Chang Ming1,3
2016-08-15
发表期刊JOURNAL OF POWER SOURCES
ISSN0378-7753
卷号323期号:AUG页码:166-173
摘要Renewable clean energy and resources recycling have become inevitable choices to solve worldwide energy shortages and environmental pollution problems. It is a great challenge to recycle tons of waste printed circuit boards (PCB) produced every year for clean environment while creating values. In this work, low cost, high quality activated carbons (ACs) were synthesized from non-metallic fractions (NMF) of waste PCB to offer a great potential for applications of electrochemical double-layer capacitors (EDLCs). After recovering metal from waste PCB, hierarchical porous carbons were produced from NMF by carbonization and activation processes. The experimental results exhibit that some pores were formed after carbonization due to the escape of impurity atoms introduced by additives in NMF. Then the pore structure was further tailored by adjusting the activation parameters. Roles of micropores and nonmicropores in charge storage were investigated when the hierarchical porous carbons were applied as electrode of EDLCs. The highest specific capacitance of 210 F g(-1) (at 50 mA g(-1)) and excellent rate capability were achieved when the ACs possessing a proper micropores/non-micropores ratio. This work not only provides a promising method to recycle PCB, but also investigates the structure tailoring arts for a rational hierarchical porous structure in energy storage/conversion. (C) 2016 Elsevier B.V. All rights reserved.
关键词Hierarchical Porous Carbon Electric Double-layer Capacitor Printed Circuit Board Non-metallic Fractions Energy Storage
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jpowsour.2016.05.054
收录类别SCI
语种英语
关键词[WOS]ACTIVATED CARBONS ; PYROLYSIS ; SUPERCAPACITORS ; TECHNOLOGIES ; DEGRADATION ; NANOTUBES ; NONMETALS ; RECOVERY ; PLASTICS ; METALS
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(51302264) ; National Science Foundation for Distinguished Young Scholars of China(51125018) ; Chinese Academy of Sciences
WOS记录号WOS:000378192100021
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21162
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China
3.Southwest Univ, Inst Clean Energy & Adv Mat, Fac Mat Energy, Chongqing 400715, Peoples R China
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Du, Xuan,Wang, Li,Zhao, Wei,et al. Preparation of hierarchical porous carbon from waste printed circuit boards for high performance electric double-layer capacitors[J]. JOURNAL OF POWER SOURCES,2016,323(AUG):166-173.
APA Du, Xuan,Wang, Li,Zhao, Wei,Wang, Yi,Qi, Tao,&Li, Chang Ming.(2016).Preparation of hierarchical porous carbon from waste printed circuit boards for high performance electric double-layer capacitors.JOURNAL OF POWER SOURCES,323(AUG),166-173.
MLA Du, Xuan,et al."Preparation of hierarchical porous carbon from waste printed circuit boards for high performance electric double-layer capacitors".JOURNAL OF POWER SOURCES 323.AUG(2016):166-173.
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