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- Title
Electrochemical performance of Fe<sub>x</sub>Mn<sub>1−x</sub>-based metal-organic frameworks as electrode materials for supercapacitors.
- Authors
Wang, Huan; Huang, Zhideng; Zhao, Hongyang; Zhang, Fang; Xu, Chuanbo; Fu, Qiuming; Tao, Hong; Li, Huadong; Ma, Jun
- Abstract
We use Fe as dopant in the metal-organic framework (MOF) of [(CH3)2NH2]Mn(HCOO)3, and four crystals were obtained with hydrothermal method according to the doping ratio: [(CH3)2NH2]Mn(HCOO)3, [(CH3)2NH2]Fe0.1Mn0.9(HCOO)3, [(CH3)2NH2]Fe0.2Mn0.8(HCOO)3 and [(CH3)2NH2]Fe0.3Mn0.7(HCOO)3. And their electrochemical properties were studied by measuring cyclic voltammetry, galvanostatic charge-discharge and electrochemical impendence spectrum. The results showed that the sample of [(CH3)2NH2]Fe0.1Mn0.9(HCOO)3 performed the highest specific electrical capacity of 167.95 F g−1 at a current density of 0.01 A g−1. This work suggests that a small amount of Fe doping can improve the electrochemical performance of MOFs-based supercapacitors.
- Subjects
ORGANOMETALLIC compounds; CRYSTAL structure; CYCLIC voltammetry; SEMICONDUCTOR doping; SUPERCAPACITORS
- Publication
Journal of Materials Science: Materials in Electronics, 2018, Vol 29, Issue 23, p19819
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-018-0109-7