全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电化学  2014 

石墨烯-氧化锌复合材料及其电化学性能

DOI: 10.13208/j.electrochem.130724, PP. 189-193

Keywords: 石墨烯,氧化锌,超级电容器,纳米复合材料,循环伏安测试

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用Hummers法制得氧化石墨,再经溶剂热法一步合成石墨烯-氧化锌复合材料(GZO).在6mol·L-1氢氧化钾电解液中,测试循环伏安曲线、交流阻抗谱图和计时电位曲线.结果表明,石墨烯-氧化锌复合材料电极的比电容为115F·g-1,具有较好的循环寿命,改善了超级电容器的性能.

References

[1]  Lu T, Zhang Y, Li H, et al. Electrochemical behaviors of graphene-ZnO and graphene-SnO2 composite films for supercapacitors[J]. Electrochimica Acta, 2010, 55(13): 4170-4173.
[2]  Ramadoss A, Kim S J. Facile preparation and electrochemical characterization of graphene/ZnO nanocomposite for supercapacitor applications[J]. Materials Chemistry and Physics, 2013, 140(1): 405-411.
[3]  Dong X C, Cao Y F, Wang J, et al. Hybrid structure of zinc oxide nanorods and three dimensional graphene foam for supercapacitor and electrochemical sensor applications[J]. RSC Advances, 2012, 2(10): 4364-4369.
[4]  Hummers W S, Offeman R E. Preparation of graphitic oxide[J]. Journal of the American Chemical Society, 1958, 80(6): 1339-1339.
[5]  Li Q, Li Z, Chen M, et al. Real-time study of graphene’s phase transition in polymer matrices[J]. Nano Letters, 2009, 9(5): 2129-2132.
[6]  Xu C, Wang X, Zhu J W. Graphene metal particle nanocomposites[J]. The Journal of Physical Chemistry C, 2008, 122(50): 19841-19845.
[7]  Cai D Y, Song M. Preparation of fully exfoliated graphite oxide nanoplatelets in organic solvents[J]. Journal of Materials Chemistry, 2007, 17(35): 3678-3680.
[8]  Obraztsov A N. Chemical vapour deposition: Making grapheme on a large scale[J]. Nature Nanotechnology, 2009, 4: 212-213.
[9]  Stankovich S, Dikin D A, Piner R D, et al. Synthesis of graphene-based nano sheets via chemical reduction of exfoliated grapheme oxide[J]. Carbon, 2007, 45: 1558-1565.
[10]  Park S, An J, Jung I, et al. Colloidal suspensions of highly reduced graphene oxideina wide variety of organic solvents[J]. Nano Letters, 2009, 9(4): 1593-1597.
[11]  Nethravathi C, Rajamathi M. Colloidal dispersion and reassembly of alkylamine intercalated graphite oxide in alcohols[J]. Carbon, 2008, 46: 1994-1998.
[12]  Matsuo Y, Miyabe T, Fukutsuka T, et al. Preparation and characterization of alkylamine-intercalated graphite oxides[J]. Carbon, 2007, 45: 1005-1012.
[13]  Li D, Kaner R B. Graphene-based materials[J]. Science, 2008, 320(5880): 1170-1171.
[14]  Si Y, Samulski E T. Synthesis of water soluble graphene[J]. Nano Letters, 2008, 8(6): 1679-1682.
[15]  Williams G, Seger B, Kamat P V. TiO2-graphene nanocomposites. UV-Assisted photo catalytic reduction of graphene oxide[J]. ACS Nano, 2008, 2(7): 1487-1491.
[16]  Li X L, Wang X R, et al. Chemically derived ultrasmooth graphene nanoribbon semiconductors[J]. Science, 2008, 319(5867): 1229-1232.
[17]  Paek S M, Yoo E, Honma I. Enhanced cyclic performance and lithium storage capacity of SnO2/graphene nanoporous electrodes with three-dimensionally delaminated flexible structure[J]. Nano Letters, 2009, 9(1): 72-75.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133