化工新型材料

化工新型材料 ›› 2018, Vol. 46 ›› Issue (3) : 107-110.

新材料与新技术

TiO₂/石墨烯复合锂离子电池负极材料的研究

作者信息 +

Study on TiO₂/G composite as cathode material for lithium-ion battery

Fan Xiaodong, Wang Xiaoqing, Yin Mingyue, Wang Hao ,Cheng Bowen

Author information +

文章历史 +

Received		Published
2016-12-04		2018-03-20
Issue Date	Revised Date
2018-04-09	2016-12-04

PDF (2752K)

摘要

采用简单、绿色环保的方法制得TiO₂/石墨烯(TiO₂/G)复合材料,并采用SEM、TEM和XRD对TiO₂/石墨烯复合材料进行了表征。研究结果表明,TiO₂纳米颗粒均匀地分散在石墨烯片层中,改善了TiO₂纳米颗粒的导电性和结构稳定性;TiO₂/石墨烯复合材料的首次放电比容量为302mAh/g,循环50周后的放电比容量仍能保持89.93%,具有优异的电化学性能。

Abstract

TiO₂/G composites were synthesized through simple and environmental-friendly method,and the composites were characterized by SEM,TEM and XRD.The results showed that TiO₂ nanoparticles were well dispersed on the surface of graphene as the spacer to prevent the TiO₂ nanoparticles from aggregation and improved the conductivity and structure stability of TiO₂ nanoparticles.The discharge capacity of TiO₂/G was high as 302mAh/g in the first cycle and remained about 89.93% of the initial value after 50 charge-discharge cycles,which indicating that TiO₂/G nanocomposite had excellent electrochemical performance.

关键词

TiO₂ / 石墨烯 / 复合材料 / 电化学性能

Key words

TiO₂ / graphene / composite / electrochemical performance

引用本文

引用格式 ▾

TiO₂/石墨烯复合锂离子电池负极材料的研究[J]. 化工新型材料, 2018, 46(3): 107-110 DOI:

登录浏览全文

4963

注册一个新账户忘记密码

参考文献

原文顺序 | 出版日期 | 本文引用

[1] Etacheri V,Marom R,Elazari R,et al.Challenges in the development of advanced Li-ion batteries:a review[J].Energy Environ,2011,4(9):3243-3262.
[2] Fergus J W.Recent developments in cathode materials for lithium ion batteries[J].Journal of Power Sources,2010,195(4):939-954.
[3] Bao S J,Bao Q L,Li C M,et al.Novel porous anatase TiO₂ nanorods and their high lithium electroactivity[J].Electrochem Commun,2007,9(5):1233-1238.
[4] Yang Z G,Choi D,Kerisit S,et al.Nanostructures and lithium electrochemical reactivity of lithium titanites and titanium oxides:a review[J].Journal of Power Sources,2009,192(2):588-598.
[5] Kubiak P,Froschl T,Hüsing N,et al.TiO₂ anatase nanoparticle networks:synthesis,structure,and electrochemical performance[J].Small,2011,7(12):1690-1696.
[6] Chen J S,Lou X W.Anatase TiO₂ nanosheet:an ideal host structure for fast and efficient lithium insertion/extraction[J].Electrochem Commun,2009,11(12):2332-2335.
[7] Bach S,Pereira-Ramos J P,Willman P.Investigation of lithium diffusion in nano-sized rutile TiO₂ by impedance spectroscopy[J].Electrochimica Acta,2010,55(17):4952-4959.
[8] Luca V,Hanley T L,Roberts N K,et al.Nmr and x-ray absorption study of lithium intercalation in micro- and nanocrystalline anatase[J].Chem Mater,1999,11(8):2089-2102.
[9] Bavykin D V,Friedrich J M,Walsh F C.Protonated titanates and TiO₂ nanostr-uctured materials:synthesis,properties,and applications[J].Advanced Material,2006,18(21):2807-2824.
[10] Cao H Q,Li B J,Zhang J X,et al.Synthesis and superior anode performance of TiO₂@reduced graphene oxide nanocomposite for lithium ion batteries[J].Mater Chem,2012,22(19):9759-9766.
[11] Pang S P,Englert J M,Tsao H N,et al.Extrinsic corrugation-assisted mechanical exfoliation of monolayer graphene[J].Adv Mater,2010,22(47):5374-5377.
[12] Sun Z Z,James D K,Tour J M.Graphene chemistry:synthesis and manipulation[J].J Phys Chem Lett,2011,2(19):2425-2432.
[13] Liu Z P,Zhou X F,Qian Y T.Synthetic methodologies for carbon nanomaterials[J].Adv Mater,2010,22(17):1963-1966.
[14] Dreyer D R,Park S,Bielawski C W,et al.The chemistry of graphene oxide[J].Chem Soc Rev,2010,39(1):228-240.
[15] Dong X C,Shi Y M,Huang W,et al.Electrical detection of DNA hybridization with single-base specificity using transistors based on CVD-grown grapheme sheets[J].Adv Mater,2010,22(14):1649-1653.
[16] Wang X B,You H J,Liu F M,et al.Large-synthesis of few-layered graphene using CVD[J].Chem Vapor Deposition,2009,15(1/3):53-56.
[17] Zhang Z H,Zhang L D,Li W,et al.Carbon-coated mesoporous TiO₂ nanocrystals grown on graphene for lithium-ion batteries[J].ACS Appl Mater Interfaces,2015,7(19):10395-10400.
[18] Dziewonski P M,Grzeszczuk M.Towards TiO₂-conducting polymer hybrid materials for lithium ion batteries[J].Electrochimica Acta,2010,55(9):3336-3347.
[19] Zhang Q Q,Li R,Zhang M M,et al.TiO₂ nanocrystals/graphen hybrids with enhanced Li-ion storage performance[J].Journal of Energy Chemistry,2014,23(3):403-410.
[20] Zhen M M,Guo S Q,Gao G D,et al.TiO₂-B nanorods on reduced graphene oxide as anode materials for li ion batteries[J].Chem Commun,2015,51(3):507-510.
[21] He L F,Ma R G,Du N,et al.Growth of TiO₂ nanorod arrays on reduced graphene oxide with enhanced lithium-ion storage[J].Mater Chem,2012,22(36):19061-19066.
[22] Kovtyukhova N L,Ollivier P J,Martin B R,et al.Layer-by-layer assembly of ultrathin composite films from micron-sized graphite oxide sheets and polycations[J].Chem Mater,1999,11(3):771-778.
[23] Wang J,Shen L F,Nie P,et al.Synthesis of hydrogenated TiO₂-reduced graphene oxide nanocomposites and their application in high rate lithium ion batteries[J].Journal of Materials Chemistry A,2014,2(24):9150-9155.
[24] Xin X,Zhou X F,Wu J H,et al.Scalable synthesis of TiO₂/graphene nanostru-ctured composite with high-rate performance for lithium ion batteries[J].ACS Nano,2012,6(12):11035-11043.
[25] Wang S X,Li Y Y,Zhang H Y,et al.Enhancement of thermal conductivity in water-based nanofluids employing TiO₂/reduced graphene oxide composites[J].J Mater Sci,2016,51(22):10104-10115.
[26] Wang X,Xiao Y,Hu C W,et al.A dual strategy for improving lithium storage performance,a case of Fe₂O₃[J].Materials Research Bulletin,2014,59(7):162-169.
[27] Jang Z Q,Pei B,Manthiram A.Randomly stacked holey graphene anodes for lithium ion batteries with enhanced electrochemical performance[J].Journal of Materials Chemistry A,2013,1(26):7775-7781.