期刊
DALTON TRANSACTIONS
卷 45, 期 3, 页码 936-942出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5dt04082e
关键词
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资金
- National Natural Science Foundation of China [51104194, 61474011]
- International S&T Cooperation Projects of Chongqing [CSTC2013gjhz90001]
- National Key laboratory of Fundamental Science of Micro/Nano-device and System Technology [2013MS06]
- Laboratory of Precision Manufacturing Technology, CAEP [KF13004]
- State Education Ministry
- Fundamental Research Funds for the Central Universities [CDJZR14135501]
3-Dimensional (3D) composites based on a unique combination of MnO2-nanostructures, graphene oxide nanosheets and porous Diatomaceous Earth (DE) microparticles (GO-DE@MnO2) were synthesized and explored for application in high-performance supercapacitors. To explore the influence of the structural properties of MnO2 nanostructures on supercapacitor performances, several MnO2 structures with nanosheet and nanowire morphologies were synthesized and characterized. The prepared GODE@MnO2 composites with MnO2 nanosheets due to their higher conductivity and higher surface area showed a larger specific capacitance of 152.5 F g(-1) and a relatively better cycle stability (83.3% capacitance retention after 2000 cycles at a scan rate of 2 A g(-1)), indicating great potential for application in supercapacitors.
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