CAS OpenIR
Vertically aligned -MnO2 nanosheets on carbon nanotubes as cathodic materials for aqueous rechargeable magnesium ion battery
Jia, Zhijun1; Hao, Jiawei2; Liu, Lujing1; Wang, Yi1; Qi, Tao1
2018-11-01
Source PublicationIONICS
ISSN0947-7047
Volume24Issue:11Pages:3483-3491
Abstract

In this work, vertically aligned -MnO2 nanosheets on carbon nanotubes are synthesized simply by a solution process and the electrochemical performance as host materials of magnesium ion is tested in aqueous solution. Cyclic voltammetry analysis confirms the enhanced electrochemical activity of carbon nanotube-supported samples. Moreover, carbon nanotubes skeleton could reduce the charge transfer resistant of the cathode materials, which is confirmed by electrochemical impedance spectroscopy. Furthermore, when tested as magnesium ion batteries cathodic electrode, the -MnO2/carbon nanotube sample registers a prominent discharge capacity of 144.6mAh g(-1) at current density of 0.5A g(-1), which is higher than the discharge capacity of -MnO2 (87.5mAh g(-1)) due to the synergistic effect of insertion/deinsertion reaction and physical adsorption/desorption process. After the 1000th cycle, a remarkable discharge capacity of 48.3mAh g(-1) is collected for -MnO2/carbon nanotube at current density of 10A g(-1), which is 85% of the original. It is found that the carbon skeleton not only improved the capacity but also enhanced the cycling performance of the -MnO2 electrode significantly. Therefore, -MnO2/carbon nanotube is a very promising candidate for further application in environmentally benign magnesium ion batteries.

Keyword-mno2 Magnesium Ion Rechargeable Batteries Cathode Carbon Nanotube
DOI10.1007/s11581-018-2499-1
Language英语
WOS KeywordPerformance ; Behavior ; Water
Funding ProjectKey Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC021] ; Beijing Natural Science Foundation[2184127] ; Chinese National Programs for High Technology Research and Development[2014AA06A513] ; 973 Program[2015CB251303]
WOS Research AreaChemistry ; Electrochemistry ; Physics
WOS SubjectChemistry, Physical ; Electrochemistry ; Physics, Condensed Matter
Funding OrganizationKey Research Program of Frontier Sciences of Chinese Academy of Sciences ; Beijing Natural Science Foundation ; Chinese National Programs for High Technology Research and Development ; 973 Program
WOS IDWOS:000447736300020
PublisherSPRINGER HEIDELBERG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26120
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Yi; Qi, Tao
Affiliation1.Chinese Acad Sci, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Massachusetts, Dept Chem Engn, Coll Engn, Amherst, MA 01003 USA
Recommended Citation
GB/T 7714
Jia, Zhijun,Hao, Jiawei,Liu, Lujing,et al. Vertically aligned -MnO2 nanosheets on carbon nanotubes as cathodic materials for aqueous rechargeable magnesium ion battery[J]. IONICS,2018,24(11):3483-3491.
APA Jia, Zhijun,Hao, Jiawei,Liu, Lujing,Wang, Yi,&Qi, Tao.(2018).Vertically aligned -MnO2 nanosheets on carbon nanotubes as cathodic materials for aqueous rechargeable magnesium ion battery.IONICS,24(11),3483-3491.
MLA Jia, Zhijun,et al."Vertically aligned -MnO2 nanosheets on carbon nanotubes as cathodic materials for aqueous rechargeable magnesium ion battery".IONICS 24.11(2018):3483-3491.
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