期刊
MATERIALS
卷 12, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/ma12050707
关键词
graphene oxide; low-temperature plasma; cathode material; lithium battery
类别
资金
- Natural Science Foundation of China [21246002]
- Local R&D Fund by Central Government [83017078]
- Natural Science Foundation of Fujian Province [2018J01431]
- Fuzhou University Expensive Equipment Open Test Fund Project [2018T023]
- Minjiang Scholarship of Fujian Province
- Fujian Provincial Department Of Education Youth Project [JT180808]
- Curriculum Reform Project of College of Zhicheng, Fuzhou University [ZJ1835]
A simple, novel approach is proposed for the preparation of plasma-exfoliated graphene (PEGN) by reducing graphene oxide (GO) through a dielectric-barrier discharge (DBD) plasma treatment in a H-2 atmosphere. The surface chemistry, microstructures, and crystallinity of the prepared samples were characterized via X-ray photoelectron spectroscopy, transmission electron microscopy, and Raman spectrometry to determine the formation mechanism of the PEGN. The results demonstrated that the prepared PEGN had only a few layers in its structure and that most of the functional groups containing oxygen on the GO surface were removed. The PEGN exhibited a considerably higher capacity, better cycling stability, and favorable electron transfer rate for use as a cathode material for lithium-ion batteries. This proposed approach is fast, convenient, and inexpensive, constituting a novel means of producing graphene.
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