ICCAS OpenIR
Supercapacitor-battery hybrid energy storage devices from an aqueous nitroxide radical active material
Guo Wei1,2,3; Xin Sen1,2,3; Ji MengBo1,2; Guo YuGuo1,2; Wan LiJun1,2
2011-08-01
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume56Issue:23Pages:2433-2436
AbstractA hybrid electrochemical energy storage device was fabricated in aqueous NaOH with the 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) nitroxide radical as the active material, hydroquinone as the counter electrode active material, and an OH(-)-selective separating membrane. The working principle of this device was investigated and it can be considered as a supercapacitor-battery hybrid energy storage system. Device performance was characterized by cyclic voltammetry and galvanostatic charge-discharge testing. When using multi-walled carbon nanotubes (MWCNTs) as electrode support materials, a high pseudo-capacitance of 1280 F g(-1) was obtained with the TEMPO nitroxide radical as the active material at a 1 mV s(-1) scan rate. This was similar to 33 times larger than the inherent double layer capacitance of MWCNTs. The electrode material and active material dissolved in solution could potentially be substituted with similar materials. This simple design provides a new approach for fabricating high performance supercapacitor-battery hybrid energy storage devices.
KeywordNitroxide Radical Electrochemical Energy Storage Device Hybrid System Reversible Redox Reaction Aqueous Solution Electrolyte
DOI10.1007/s11434-011-4575-z
Indexed BySCI
Language英语
WOS IDWOS:000292928700005
PublisherSCIENCE PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71706
Collection中国科学院化学研究所
Corresponding AuthorGuo YuGuo
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Mol Nanostruct & Nanotechnol, Beijing 100190, Peoples R China
2.Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100064, Peoples R China
Recommended Citation
GB/T 7714
Guo Wei,Xin Sen,Ji MengBo,et al. Supercapacitor-battery hybrid energy storage devices from an aqueous nitroxide radical active material[J]. CHINESE SCIENCE BULLETIN,2011,56(23):2433-2436.
APA Guo Wei,Xin Sen,Ji MengBo,Guo YuGuo,&Wan LiJun.(2011).Supercapacitor-battery hybrid energy storage devices from an aqueous nitroxide radical active material.CHINESE SCIENCE BULLETIN,56(23),2433-2436.
MLA Guo Wei,et al."Supercapacitor-battery hybrid energy storage devices from an aqueous nitroxide radical active material".CHINESE SCIENCE BULLETIN 56.23(2011):2433-2436.
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