| 103 | 2 | 6 |
| 下载次数 | 被引频次 | 阅读次数 |
采用溶胶-凝胶法合成纳米级CoTiO3,按不同比例添加在BaFeO4电极材料中,在电流密度0.5 mA.cm-2、电压范围0.82.0 V下进行电化学性能测试,结果表明添加质量分数为20%的CoTiO3不但能够提高BaFeO4电极的放电电位平台(100 mV左右),还能保持一定放电容量,提高其高电位放电的性能.
Abstract：Nanometer SrTiO3 prepared by sol-gel method is added with different ratio to the BaFeO4 cathode in order to improve the discharge performance.The electrochemical performance is tested with of a current density of 0.5mA·cm-2 and a voltage range of 0.82.0V.When the content of nanometer CoTiO3 is up to 20%,it is found that the discharge flat of the BaFeO4 cathode is increased by 100mV,and that the modified electrode provides both the longest high discharge plateau and excellent performance of high voltage.
[1]LICHTS,WANG B H,GHOSHS.Energetic Iron(VI)Chemistry:the Super-Iron Battery[J].Science,1999,258:1039-1042.
[2]WALZ KA,SUYAMAAN,SUYAMAW E,et al.Characterization and Performance of High Power Iron(VI)Ferrate Batter-ies[J].Power Sources,2004,134:318-323.
[3]林智虹,陈玉峰,陈日耀,等.高铁电池及其主要影响因素[J].电池,2003,33(3):187-189.
[4]LICHTS,VERED R T,HALPERIN L J.Electrochem[J].Soc.,2004,151(1):A31-A39.
[5]孙艳芝,潘军青,万平玉,等.添加剂对高铁酸盐电极性质的影响[J].电池,2003,33(6):375-377.
[6]LICHTS,NASCHITZ V,WANG B HJ.Power Sources[J].2002,109:67-70.
[7]王宏丽,赖琼钰,郝艳静,等.纳米SrTiO3对高铁酸盐电化学性能影响研究[J].无机化学学报,2006,22(6):1108-1112.
[8]LICHTS,WANG B H,GOSH S,et al.Insoluble Fe(VI)Compounds:Effects on the Super-Iron Battery[J].J Electro-chem Commun,1999,1:522-526.
[9]LICHTS,NASCHITZ V,HALPERINL,et al.Analysis of Ferrate(VI)Compounds and Super-Iron Fe(VI)Battery Cathodes:FTIR,ICP,Titrimetric,XRD,UV/VIS,and Electrochemical Characterization[J].J Power Sources,2001,101:167-176.
[10]NI X M,JI M R,YANG Z P,et al.Preparation and Structure Characterization of Nanocrystalline BaFeO4[J].J CrystalGrowth,2004,261:82-86.
基本信息:
DOI：
中图分类号:TM911.14
引用信息:
[1]王宏丽.纳米CoTiO_3对高铁酸钡电化学性能影响的研究[J].昆明理工大学学报(理工版),2009,34(01):100-103.
基金信息:
四川省基础应用研究基金资助项目(项目编号:川教科9902)