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  2011 

锂离子电池锡薄膜负极制备及电化学性能研究

, PP. 43-47

Keywords: 锂离子电池,负极材料,锡薄膜,真空蒸发

Full-Text   Cite this paper   Add to My Lib

Abstract:

应用真空蒸发法在泡沫铜基底上制备锡薄膜负极.XRD、SEM分析表征薄膜的物相结构及其微观形貌,并测试了材料的电化学性能.结果表明,泡沫铜基底的三维结构增强了活性物质与基底的结合力.在同一基底温度下,锡颗粒随蒸发时间延长逐渐增大,电池电化学性能降低;而在同一时间内,升高基底温度,颗粒无明显变化,电池循环寿命有了很大提高.样品A″电池(基底温度:200℃,蒸发时间:0.5h)经100次充放电循环后比容量仍达407.3mAh·g-1.

References

[1]  Bates J B,Dudney N J,Neudecker B,et al.Thin-filmlithium and lithium-ion batteries[J].Solid State Ionics,2000,135(1/4):33-45.
[2]  Winter M,Besenhard J O.Electrochemical lithiation oftin and tin-based intermetallics and composites[J].Electrochim Acta,1999,45(1/2):31-50.
[3]  Huo Xian-hua(侯贤华),Hu She-jun(胡社军),LiWei-shan(李伟善),et al.First-principle study of inter-phase Ni3Sn in Sn-Ni alloy for anode of lithium ion bat-tery[J].Chinese Physics B(中国物理B),2008,17(9):3422-3427.
[4]  Fan X Y,Ke F S,Wei G Z,et al.Lithiation/delithiationperformance of Sn-Co alloy anode using rough Cu foil ascurrent collector[J].J Solid State Electrochem,2009,13(12):1849-1858.
[5]  Suzuki M,Suzuki J,Sekine K,et al.Li insertion/ex-traction characteristics of a vacuum-deposited Si-Sntwo-component film[J].J Power Sources,2005,146(1/2):452-456.
[6]  Hu R Z,Zhang L,Liu X,et al.Investigation of immisci-ble alloy system of Al-Sn thin films as anodes for lithi-um ion batteries[J].Electrochem Commun,2008,10(7):1109-1112.
[7]  Du Z J,Zhang S C,Jiang T,et al.Preparation and char-acterization of three-dimensional tin thin-film anodewith good cycle performance[J].Electrochem Acta,2010,55(10):3537-3541.
[8]  Lee J H,Kong B S,Baek Y K,et al.Tin nanoparticlethin film electrodes fabricated by the vacuum filtrationmethod for enhanced battery performance[J].Nano-technology,2009,20(23):235203(8pp).
[9]  Zhao Ling-zhi(赵灵智),Hu She-jun(胡社军).Influ-ence of sputtering time on cyclic performance of Snthin films as anodes of Li-ion battery[J].Chinese Bat-tery Industry(电池工业),2009,14(3):173-176.
[10]  Park J W,Rajendran S,Kwon H S.Effects of substratemorphology and ageing on cycle performance of a Sn-anode fabricated by electroplating[J].J PowerSources,2006,159(2):1409-1415.
[11]  Kim R H,Han D W,Nam D H,et al.Effects of sub-strate morphology and postelectrodeposition on struc-ture of Cu foam and their application for Li-ion batter-ies[J].J Electrochem Soc,2010,157(5):269-273.
[12]  Li Q Y,Hu S J,Wang H Q,et al.Study of copperfoam-supported Sn thin film as a high-capacity anodefor lithium-ion batteries[J].Electrochem Acta,2009,54(24):5884-5888.
[13]  Derrien G,Hassoun J,Panero S,et al.NanostructuredSn-C composite as an advanced anode material in high-performance lithium-ion batteries[J].Adv Mater,2007,19(17):2336-2340.
[14]  Zhao L Z,Hua S J,Rua Q,et al.Effects of graphite onelectrochemical performance of Sn/C composite thinfilm anodes[J].J Power Sources,2008,184(2):481-484.
[15]  Park J W,Eom J Y,Kwon H S.Fabrication of Sn-Ccomposite electrodes by electrodeposition and their cy-cle performance for Li-ion batteries[J].ElectrochemCommun,2009,11(3):596-598.
[16]  Fan Xiao-yong(樊小勇),Zhuang Quan-chao(庄全超),Wei Guo-zhen(魏国祯),et al.Fabrication andperformance of Cu6Sn5 alloy anode using porous Cu ascurrent collector[J].Acta Phys-Chim Sin(物理化学学报),2009,25(4):611-616.
[17]  Shin H C,Liu M L.Three-dimensional porous copper-tin alloy electrodes for rechargeable lithium batteries[J].Adv Funct Mater,2005,15(4):582-586.
[18]  Tamura N,Ohshita R,Fujimoto M,et al.Advancedstructures in electrodeposited tin base negative elec-trodes for lithium secondary batteries[J].J Electro-chem Soc,2003,150(6):A679-A683.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133